London Heathrow Airport LHR to Seattle-Tacoma International Airport SEA flight with British Airways

Fri, May 22
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Journey information

Overview: London Heathrow Airport to Seattle-Tacoma International Airport flight

United KingdomUnited Kingdom
USAUSA
Icon of flight

Flights from London Heathrow Airport to Seattle-Tacoma International Airport depart on average 94 times per day, taking around 10h 21m. Cheap flight tickets for this journey start at $494 (€399) if you book in advance.

There are 5 flights per day. The earliest flight runs at 05:30, the last at 20:25. The fastest flight covers the 4786 miles (7703 km) distance in 12h 35m. March is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
4786 miles (7703 km)
Average flight duration
10h 21m
Cheapest ticket price
$494 (€399)
Flights per day
94
Direct flights
5
Fastest flight
12h 35m
First flight
5:30 AM
Last flight
8:25 PM
Cheapest Month
Mar
Cheapest Day
Tue
High Season
Apr - Jun
Low Season
Jul - Sep
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

The cheapest and fastest flights from London Heathrow Airport to Seattle-Tacoma International Airport

Showing times and prices for May 22

Cheapest price

$793

Average price

$1767

Fastest journey

9 h 45 m

Average duration

10 h 2 m

Flights per day

99

Distance

7703 km

Cheap tickets

The best way to find a cheap flight ticket from London Heathrow Airport to Seattle-Tacoma International Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from London Heathrow Airport to Seattle-Tacoma International Airport will cost around $1767 if you buy it on the day, but the cheapest tickets can be found for only $793.

Fast flights

Of the 99 flights that leave London Heathrow Airport for Seattle-Tacoma International Airport onFri, May 22, 7 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, May 22 the direct flights cover the 7703 km distance in an average of 10 h 2 m but if you time it right, some flights will get you there in just 9 h 45 m .

On Fri, May 22 the longest flights will take 10 h 20 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • Alaska AirlinesAS101
    5:00 PM9h50
    London Heathrow Airport
    6:50 PMSeattle-Tacoma International Airport
    $7931One-way
    0 transfers
  • JetBlue AirwaysB620 · B6263
    11:55 AM17h01
    London Heathrow Airport
    8:56 PMSeattle-Tacoma International Airport
    $11591One-way
    1 transfer
  • KLMKL1006+Delta Air LinesKL6038
    11:45 AM12h45
    London Heathrow Airport
    4:30 PMSeattle-Tacoma International Airport
    $13081One-way
    1 transfer
  • KLMKL1004+Delta Air LinesKL6038
    9:55 AM14h35
    London Heathrow Airport
    4:30 PMSeattle-Tacoma International Airport
    $13081One-way
    1 transfer
  • KLMKL1000+Delta Air LinesKL6033
    6:30 AM13h12
    London Heathrow Airport
    11:42 AMSeattle-Tacoma International Airport
    $13081One-way
    1 transfer

Live departures

London Heathrow Airport to Seattle-Tacoma International Airport flight times

The table below shows live departures for London Heathrow Airport to Seattle-Tacoma International Airport flights for tomorrow, Friday, May 22. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
Air FranceAF1381 · AF3386:15 AM London Heathrow Airport
13h00
11:15 AM Seattle-Tacoma International Airport1 transfer
UnitedUA9553 · UA87176:30 AM London Heathrow Airport
13h50
12:20 PM Seattle-Tacoma International Airport1 transfer
KLMKL1000+Delta Air LinesKL60336:30 AM London Heathrow Airport
13h12
11:42 AM Seattle-Tacoma International Airport1 transfer
LufthansaLH490+Lufthansa City AirlinesLH42336:30 AM London Heathrow Airport
13h50
12:20 PM Seattle-Tacoma International Airport1 transfer
Sas AirwaysSK1530 · SK1421 · SK9376:40 AM London Heathrow Airport
15h05
1:45 PM Seattle-Tacoma International Airport2 transfers
Sas AirwaysSK500 · SK9376:40 AM London Heathrow Airport
15h05
1:45 PM Seattle-Tacoma International Airport1 transfer
LufthansaLH2485 · LH4887:25 AM London Heathrow Airport
17h34
4:59 PM Seattle-Tacoma International Airport1 transfer
UnitedUA123 · UA17417:45 AM London Heathrow Airport
19h51
7:36 PM Seattle-Tacoma International Airport1 transfer
UnitedLH9348 · LH75048:00 AM London Heathrow Airport
19h05
7:05 PM Seattle-Tacoma International Airport1 transfer
UnitedUA958 · UA16608:00 AM London Heathrow Airport
15h39
3:39 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA826+Aer LingusBA61498:15 AM London Heathrow Airport
16h55
5:10 PM Seattle-Tacoma International Airport1 transfer
KLMKL1002+Delta Air LinesKL60388:40 AM London Heathrow Airport
15h50
4:30 PM Seattle-Tacoma International Airport1 transfer
Aer LingusBA6149 · BA59538:50 AM London Heathrow Airport
16h20
5:10 PM Seattle-Tacoma International Airport1 transfer
Air FranceAF1681+Delta Air LinesAF36228:55 AM London Heathrow Airport
16h44
5:39 PM Seattle-Tacoma International Airport1 transfer
American AirlinesBA2490 · BA15048:55 AM London Heathrow Airport
15h49
4:44 PM Seattle-Tacoma International Airport1 transfer
LufthansaLH2471 · LH4889:00 AM London Heathrow Airport
15h59
4:59 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF3587 · AF26419:20 AM London Heathrow Airport
17h00
6:20 PM Seattle-Tacoma International Airport1 transfer
UnitedUA905 · UA17419:30 AM London Heathrow Airport
18h06
7:36 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF8779 · AF36109:40 AM London Heathrow Airport
17h25
7:05 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA539:50 AM London Heathrow Airport
9h45
11:35 AM Seattle-Tacoma International Airport0 transfersDirect
Aer LingusBA6149 · BA59559:50 AM London Heathrow Airport
15h20
5:10 PM Seattle-Tacoma International Airport1 transfer
KLMKL1004+Delta Air LinesKL60389:55 AM London Heathrow Airport
14h35
4:30 PM Seattle-Tacoma International Airport1 transfer
UnitedUA879 · UA263810:00 AM London Heathrow Airport
17h12
7:12 PM Seattle-Tacoma International Airport1 transfer
UnitedUA879 · UA179510:00 AM London Heathrow Airport
18h53
8:53 PM Seattle-Tacoma International Airport1 transfer
American AirlinesBA1590 · BA248810:05 AM London Heathrow Airport
17h04
7:09 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA283+Alaska AirlinesBA761610:30 AM London Heathrow Airport
16h26
6:56 PM Seattle-Tacoma International Airport1 transfer
UnitedUA900 · UA227910:35 AM London Heathrow Airport
16h28
7:03 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF9301 · AF282810:45 AM London Heathrow Airport
16h04
6:49 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA285+Alaska AirlinesBA754510:45 AM London Heathrow Airport
15h31
6:16 PM Seattle-Tacoma International Airport1 transfer
LufthansaLH2473 · LH48810:50 AM London Heathrow Airport
14h09
4:59 PM Seattle-Tacoma International Airport1 transfer
UnitedUA9230 · UA941410:50 AM London Heathrow Airport
14h09
4:59 PM Seattle-Tacoma International Airport1 transfer
UnitedLH7504 · LH935611:05 AM London Heathrow Airport
16h00
7:05 PM Seattle-Tacoma International Airport1 transfer
UnitedLH9356 · LH891011:05 AM London Heathrow Airport
19h44
10:49 PM Seattle-Tacoma International Airport1 transfer
British AirwaysIB3634+Alaska AirlinesIB729311:10 AM London Heathrow Airport
17h12
8:22 PM Seattle-Tacoma International Airport1 transfer
British AirwaysIB3634+American AirlinesIB413111:10 AM London Heathrow Airport
17h23
8:33 PM Seattle-Tacoma International Airport1 transfer
Virgin AtlanticKL2504+Delta Air LinesKL760811:20 AM London Heathrow Airport
16h50
8:10 PM Seattle-Tacoma International Airport1 transfer
Virgin AtlanticAF6758+Delta Air LinesAF250911:20 AM London Heathrow Airport
16h50
8:10 PM Seattle-Tacoma International Airport1 transfer
UnitedUA26 · UA201311:25 AM London Heathrow Airport
14h34
5:59 PM Seattle-Tacoma International Airport1 transfer
Air FranceAF1581+Delta Air LinesAF362211:30 AM London Heathrow Airport
14h09
5:39 PM Seattle-Tacoma International Airport1 transfer
Virgin AtlanticKL482811:40 AM London Heathrow Airport
10h20
2:00 PM Seattle-Tacoma International Airport0 transfersDirect
Virgin AtlanticAF990411:40 AM London Heathrow Airport
10h20
2:00 PM Seattle-Tacoma International Airport0 transfersDirect
KLMKL1006+Delta Air LinesKL603811:45 AM London Heathrow Airport
12h45
4:30 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesKL6006 · KL760811:45 AM London Heathrow Airport
16h25
8:10 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF2509 · AF366611:45 AM London Heathrow Airport
16h25
8:10 PM Seattle-Tacoma International Airport1 transfer
JetBlue AirwaysB620 · B626311:55 AM London Heathrow Airport
17h01
8:56 PM Seattle-Tacoma International Airport1 transfer
Aer LingusBA5959 · BA614912:00 PM London Heathrow Airport
13h10
5:10 PM Seattle-Tacoma International Airport1 transfer
UnitedUA8203 · UA827012:05 PM London Heathrow Airport
17h03
9:08 PM Seattle-Tacoma International Airport1 transfer
American AirlinesIB4189+Alaska AirlinesIB729312:15 PM London Heathrow Airport
16h07
8:22 PM Seattle-Tacoma International Airport1 transfer
UnitedLH9260 · LH748412:15 PM London Heathrow Airport
16h31
8:46 PM Seattle-Tacoma International Airport1 transfer
American AirlinesBA1544 · BA576712:15 PM London Heathrow Airport
16h18
8:33 PM Seattle-Tacoma International Airport1 transfer
American AirlinesIB4131 · IB418912:15 PM London Heathrow Airport
16h18
8:33 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesKL5980 · KL611112:25 PM London Heathrow Airport
16h18
8:43 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA181+JetBlue AirwaysBA830912:30 PM London Heathrow Airport
16h26
8:56 PM Seattle-Tacoma International Airport1 transfer
British AirwaysIB3590+Alaska AirlinesIB729512:35 PM London Heathrow Airport
15h54
8:29 PM Seattle-Tacoma International Airport1 transfer
UnitedUA949 · UA15771:00 PM London Heathrow Airport
15h53
8:53 PM Seattle-Tacoma International Airport1 transfer
UnitedUA935 · UA6841:05 PM London Heathrow Airport
17h03
10:08 PM Seattle-Tacoma International Airport1 transfer
IcelandairFI451 · FI6811:05 PM London Heathrow Airport
12h50
5:55 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA299+American AirlinesBA57671:10 PM London Heathrow Airport
15h23
8:33 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF3624 · AF22771:25 PM London Heathrow Airport
16h21
9:46 PM Seattle-Tacoma International Airport1 transfer
UnitedUA4 · UA24561:40 PM London Heathrow Airport
17h11
10:51 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA67+American AirlinesBA67301:45 PM London Heathrow Airport
15h50
9:35 PM Seattle-Tacoma International Airport1 transfer
WestJetWS1 · WS15522:10 PM London Heathrow Airport
12h35
6:45 PM Seattle-Tacoma International Airport1 transfer
UnitedOS7851 · OS77032:10 PM London Heathrow Airport
36h55
7:05 PM Seattle-Tacoma International Airport1 transfer
WestJetWS1 · WS15502:10 PM London Heathrow Airport
27h30
9:40 AM Seattle-Tacoma International Airport1 transfer
UnitedLH8910 · LH93542:10 PM London Heathrow Airport
16h39
10:49 PM Seattle-Tacoma International Airport1 transfer
Air CanadaLH6584 · AC5412:10 PM London Heathrow Airport
14h58
9:08 PM Seattle-Tacoma International Airport1 transfer
American AirlinesBA1520 · BA24912:25 PM London Heathrow Airport
16h07
10:32 PM Seattle-Tacoma International Airport1 transfer
American AirlinesIB4205 · IB43012:25 PM London Heathrow Airport
16h07
10:32 PM Seattle-Tacoma International Airport1 transfer
Virgin AtlanticAF9890+Delta Air LinesAF25812:30 PM London Heathrow Airport
17h25
11:55 PM Seattle-Tacoma International Airport1 transfer
American AirlinesIB4396 · IB85492:45 PM London Heathrow Airport
17h31
12:16 AM Seattle-Tacoma International Airport1 transfer
Alaska AirlinesIB7294+American AirlinesIB43962:45 PM London Heathrow Airport
15h45
10:30 PM Seattle-Tacoma International Airport1 transfer
UnitedUA263 · UA26512:50 PM London Heathrow Airport
16h20
11:10 PM Seattle-Tacoma International Airport1 transfer
UnitedUA263 · UA3602:50 PM London Heathrow Airport
14h20
9:10 PM Seattle-Tacoma International Airport1 transfer
UnitedUA8581 · UA86693:05 PM London Heathrow Airport
15h35
10:40 PM Seattle-Tacoma International Airport1 transfer
Air CanadaLH6510 · LH68123:05 PM London Heathrow Airport
31h15
2:20 PM Seattle-Tacoma International Airport1 transfer
Air CanadaLH6812 · LH65643:05 PM London Heathrow Airport
15h35
10:40 PM Seattle-Tacoma International Airport1 transfer
Delta Air LinesAF9094 · AF34873:15 PM London Heathrow Airport
16h44
11:59 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA297+American AirlinesBA51763:15 PM London Heathrow Airport
17h01
12:16 AM Seattle-Tacoma International Airport1 transfer
British AirwaysIB3636+American AirlinesIB85493:15 PM London Heathrow Airport
17h01
12:16 AM Seattle-Tacoma International Airport1 transfer
British AirwaysBA267+skywest airlinesBA75363:40 PM London Heathrow Airport
12h46
8:26 PM Seattle-Tacoma International Airport1 transfer
British AirwaysBA267+horizon airBA29943:40 PM London Heathrow Airport
14h54
10:34 PM Seattle-Tacoma International Airport1 transfer
UnitedUA939 · UA10074:15 PM London Heathrow Airport
15h17
11:32 PM Seattle-Tacoma International Airport1 transfer
American AirlinesIB4207 · IB46914:25 PM London Heathrow Airport
16h34
12:59 AM Seattle-Tacoma International Airport1 transfer
American AirlinesBA2489 · BA15304:25 PM London Heathrow Airport
16h34
12:59 AM Seattle-Tacoma International Airport1 transfer
British AirwaysBA494:30 PM London Heathrow Airport
9h55
6:25 PM Seattle-Tacoma International Airport0 transfersDirect
UnitedUA925 · UA3254:40 PM London Heathrow Airport
29h58
2:38 PM Seattle-Tacoma International Airport1 transfer
Alaska AirlinesAS1015:00 PM London Heathrow Airport
9h50
6:50 PM Seattle-Tacoma International Airport0 transfersDirect
Delta Air LinesAF35865:45 PM London Heathrow Airport
10h26
8:11 PM Seattle-Tacoma International Airport0 transfersDirect
Delta Air LinesKL60225:45 PM London Heathrow Airport
10h26
8:11 PM Seattle-Tacoma International Airport0 transfersDirect
UnitedUA921 · UA17416:00 PM London Heathrow Airport
33h36
7:36 PM Seattle-Tacoma International Airport1 transfer
UnitedUA921 · UA13306:00 PM London Heathrow Airport
26h01
12:01 PM Seattle-Tacoma International Airport1 transfer
LufthansaLH490+Lufthansa City AirlinesLH42316:30 PM London Heathrow Airport
25h50
12:20 PM Seattle-Tacoma International Airport1 transfer
Sas AirwaysSK1516 · SK9376:40 PM London Heathrow Airport
27h05
1:45 PM Seattle-Tacoma International Airport1 transfer
LufthansaLH919 · LH4907:30 PM London Heathrow Airport
24h50
12:20 PM Seattle-Tacoma International Airport1 transfer
Sas AirwaysSK1508 · SK9377:30 PM London Heathrow Airport
26h15
1:45 PM Seattle-Tacoma International Airport1 transfer
Sas AirwaysSK812 · SK451 · SK9377:50 PM London Heathrow Airport
25h55
1:45 PM Seattle-Tacoma International Airport2 transfers
Sas AirwaysSK534 · SK401 · SK9379:05 PM London Heathrow Airport
24h40
1:45 PM Seattle-Tacoma International Airport2 transfers
Sas AirwaysSK534 · SK1415 · SK9379:05 PM London Heathrow Airport
24h40
1:45 PM Seattle-Tacoma International Airport2 transfers
IcelandairFI455 · FI6859:25 PM London Heathrow Airport
22h20
11:45 AM Seattle-Tacoma International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets London Heathrow Airport to Seattle-Tacoma International Airport by flight

Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

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May 22
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Why should you book London Heathrow Airport to Seattle-Tacoma International Airport flights with Omio?

British Airways as well as American Airlines or Icelandair offer flights services from London Heathrow Airport to Seattle-Tacoma International Airport.
Omio is an official ticket reseller for all your travel options from London Heathrow Airport to Seattle-Tacoma International Airport.

Why book with Omio vs British Airways?

  • Compare with other providers: On Omio, you can not only buy tickets for British Airways, but also compare tickets for the likes of American Airlines or Icelandair to find the best option for your trip from London Heathrow Airport to Seattle-Tacoma International Airport.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.

Why book with Omio over Skyscanner, Trip or Edreams?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of American Airlines or Icelandair to find the best option for your trip from London Heathrow Airport to Seattle-Tacoma International Airport.

Airlines: British Airways, American Airlines, Icelandair from London Heathrow Airport to Seattle-Tacoma International AirportFind the best flights between London Heathrow Airport to Seattle-Tacoma International Airport with Omio's travel partners British Airways, American Airlines, Icelandair from $494 (€399). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

British Airways

About
British Airways (BA) is the United Kingdom’s flag carrier airline with headquarters in London near its main hub at London Heathrow Airport (LHR). BA is the second largest UK-based airline in terms of fleet size and number of passengers carried. Known as a full-service global airline, British Airways offers year-round low fares to destinations worldwide and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. syn p British Airways (BA) is the flag carrier airline of the United Kingdom with its headquarters in London near its main hub at London Heathrow Airport (LHR). Known as a full-service global airline, BA offers low fares year-round to destinations around the globe and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. BA is also the second largest airline based in the UK in terms of its fleet size and number of passengers carried.
Luggage & cancellation policy
British Airways frequency
14 a day
Luggage included
Economy Basic includes 1 cabin bag (max 23kg, 56x45x25cm) plus 1 personal item (40x30x15cm)
Additional luggage
Additional checked bags can be purchased, with prices varying by route and fare class
Cancellation Policy
Cancellation policy depends on ticket type - Basic tickets non-refundable, Flexible tickets can be cancelled for a full refund
Pregnant on board
Travel permitted until end of 36th week for single pregnancies, end of 32nd week for multiple pregnancies. Medical clearance required after 28th weeks
Unaccompagned minor
Young flyers aged 5-11 can travel alone using British Airways' Skyflyer Solo service. Service must be booked in advance and is available on most routes
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
British Airways provides assistance for passengers with reduced mobility, including wheelchair assistance and special assistance through airports.
Pets
Pets travel in the hold except assistance dogs. Advance booking required. Only cats and dogs accepted on most routes
Entertaiment on board

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
American Airlines frequency
9 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Entertaiment on board

Icelandair

About
Icelandair is the flag carrier of Iceland, with roots tracing back to 1937. It operates as part of the Icelandair Group and is headquartered in Hafnarfjörður, Iceland. The airline's business strategy leverages Iceland's unique geographical position midway between North America and Europe, offering transatlantic flights with a convenient stopover option in Iceland. Icelandair serves destinations on both sides of the Atlantic from its main hub at Keflavík International Airport, and also operates domestic flights from Reykjavík Airport. The airline is known for promoting Iceland as a tourist destination and providing a comfortable flying experience with Icelandic hospitality.
Luggage & cancellation policy
Average Duration
12h 45m
Cheapest Price
$639 (€516)
Icelandair frequency
3 a day
Luggage included
One carry-on bag (10kg) and one personal item included in Economy
Additional luggage
Extra bags can be purchased, prices vary by route
Cancellation Policy
24-hour cancellation policy for full refund, after that fees apply based on fare type
Pregnant on board
Up to week 36 of pregnancy. After week 28, medical certificate required
Unaccompagned minor
Available for children 5-17, must be booked at least 48 hours in advance. Service fee applies
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Wheelchair assistance available, must be requested at least 48 hours before departure
Pets
Small pets in cabin, larger ones in hold. Must be booked in advance
Entertaiment on board

FAQs: London Heathrow Airport to Seattle-Tacoma International Airport Flight

Find answers to the most common questions about traveling from London Heathrow Airport to Seattle-Tacoma International Airport by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle-Tacoma International Airport, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from London Heathrow Airport to Seattle-Tacoma International Airport can start from as little as $494 (€399) when you book in advance. The average flight ticket price for London Heathrow Airport to Seattle-Tacoma International Airport is $863 (€697) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from London Heathrow Airport to Seattle-Tacoma International Airport is 12h 35m to travel the 4786 miles (7703 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from London Heathrow Airport to Seattle-Tacoma International Airport leaves at 5:30 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from London Heathrow Airport to Seattle-Tacoma International Airport leaves at 8:25 PM.
Yes, there are 5 direct flights a day from London Heathrow Airport to Seattle-Tacoma International Airport with British Airways. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from London Heathrow Airport to Seattle-Tacoma International Airport, you can count on British Airways, American Airlines, Icelandair for the best way to get you to Seattle-Tacoma International Airport. You can also check all possible airlines who offer a service between London Heathrow Airport and Seattle-Tacoma International Airport and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from London Heathrow Airport to Seattle-Tacoma International Airport is March.
Yes, you can take a flight between London Heathrow Airport and Seattle-Tacoma International Airport.
Since neither London Heathrow Airport nor Seattle-Tacoma International Airport are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 8 h between London Heathrow Airport and Seattle-Tacoma International Airport all year round.
We recommend using the flight as it is the most popular way to get from London Heathrow Airport to Seattle-Tacoma International Airport among Omio's users.
For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from London Heathrow Airport to Seattle-Tacoma International Airport

London
Seattle
The major airport for departures in London is London Heathrow Airport. Find all the information you need to know about services, amenities and connections at London Heathrow Airport for your trip from London to Seattle.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
information
ticketOfficeHours
Distance to city center
23 km
carConnection
Car connection
M4, Junction 4
Wifi
Wifi
  • Free Wi-Fi available throughout the airport for up to 4 hours.
Shopping
Shopping
  • Shops are located throughout all terminals, including Harrods and World Duty Free.
Parking
Parking
  • Short Stay parking available near each terminal, approximately 6.3€ (£5.30) for 30 minutes.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Assistance.
WC
WC
  • Available throughout the airport, including accessible facilities.
Shower
Shower
  • Yes
Lounge
Lounge
  • Lounges available in all terminals, including British Airways and Plaza Premium lounges.
Lost and Found Office
Lost and Found Office
  • Located at each terminal, contact Heathrow Airport Lost Property.
Public transit options for London Heathrow Airport
  • Bus: 105, 111, 140, 285, 423
  • Metro: Piccadilly Line
  • Train: Heathrow Express, TfL Rail

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