Journey information
Overview: London Heathrow Airport to Seattle-Tacoma International Airport 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.
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 |
The cheapest and fastest flights from London Heathrow Airport to Seattle-Tacoma International Airport
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
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.
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.
AS1015:00 PM9h50London Heathrow Airport6:50 PMSeattle-Tacoma International Airport$7931One-way0 transfers
B620 · B626311:55 AM17h01London Heathrow Airport8:56 PMSeattle-Tacoma International Airport$11591One-way1 transfer
KL1006+
KL603811:45 AM12h45London Heathrow Airport4:30 PMSeattle-Tacoma International Airport$13081One-way1 transfer
KL1004+
KL60389:55 AM14h35London Heathrow Airport4:30 PMSeattle-Tacoma International Airport$13081One-way1 transfer
KL1000+
KL60336:30 AM13h12London Heathrow Airport11:42 AMSeattle-Tacoma International Airport$13081One-way1 transfer
BA539:50 AM9h45London Heathrow Airport11:35 AMSeattle-Tacoma International Airport$14501One-way0 transfers
AS1015:00 PM9h50London Heathrow Airport6:50 PMSeattle-Tacoma International Airport$7931One-way0 transfers
BA494:30 PM9h55London Heathrow Airport6:25 PMSeattle-Tacoma International Airport$14501One-way0 transfers
KL482811:40 AM10h20London Heathrow Airport2:00 PMSeattle-Tacoma International Airport$13281One-way0 transfers
AF990411:40 AM10h20London Heathrow Airport2:00 PMSeattle-Tacoma International Airport$13281One-way0 transfers
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.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
AF1381 · AF338 | 6:15 AM London Heathrow Airport | 13h00 | 11:15 AM Seattle-Tacoma International Airport | 1 transfer | |
UA9553 · UA8717 | 6:30 AM London Heathrow Airport | 13h50 | 12:20 PM Seattle-Tacoma International Airport | 1 transfer | |
KL1000+ KL6033 | 6:30 AM London Heathrow Airport | 13h12 | 11:42 AM Seattle-Tacoma International Airport | 1 transfer | |
LH490+ LH4233 | 6:30 AM London Heathrow Airport | 13h50 | 12:20 PM Seattle-Tacoma International Airport | 1 transfer | |
SK1530 · SK1421 · SK937 | 6:40 AM London Heathrow Airport | 15h05 | 1:45 PM Seattle-Tacoma International Airport | 2 transfers | |
SK500 · SK937 | 6:40 AM London Heathrow Airport | 15h05 | 1:45 PM Seattle-Tacoma International Airport | 1 transfer | |
LH2485 · LH488 | 7:25 AM London Heathrow Airport | 17h34 | 4:59 PM Seattle-Tacoma International Airport | 1 transfer | |
UA123 · UA1741 | 7:45 AM London Heathrow Airport | 19h51 | 7:36 PM Seattle-Tacoma International Airport | 1 transfer | |
LH9348 · LH7504 | 8:00 AM London Heathrow Airport | 19h05 | 7:05 PM Seattle-Tacoma International Airport | 1 transfer | |
UA958 · UA1660 | 8:00 AM London Heathrow Airport | 15h39 | 3:39 PM Seattle-Tacoma International Airport | 1 transfer | |
BA826+ BA6149 | 8:15 AM London Heathrow Airport | 16h55 | 5:10 PM Seattle-Tacoma International Airport | 1 transfer | |
KL1002+ KL6038 | 8:40 AM London Heathrow Airport | 15h50 | 4:30 PM Seattle-Tacoma International Airport | 1 transfer | |
BA6149 · BA5953 | 8:50 AM London Heathrow Airport | 16h20 | 5:10 PM Seattle-Tacoma International Airport | 1 transfer | |
AF1681+ AF3622 | 8:55 AM London Heathrow Airport | 16h44 | 5:39 PM Seattle-Tacoma International Airport | 1 transfer | |
BA2490 · BA1504 | 8:55 AM London Heathrow Airport | 15h49 | 4:44 PM Seattle-Tacoma International Airport | 1 transfer | |
LH2471 · LH488 | 9:00 AM London Heathrow Airport | 15h59 | 4:59 PM Seattle-Tacoma International Airport | 1 transfer | |
AF3587 · AF2641 | 9:20 AM London Heathrow Airport | 17h00 | 6:20 PM Seattle-Tacoma International Airport | 1 transfer | |
UA905 · UA1741 | 9:30 AM London Heathrow Airport | 18h06 | 7:36 PM Seattle-Tacoma International Airport | 1 transfer | |
AF8779 · AF3610 | 9:40 AM London Heathrow Airport | 17h25 | 7:05 PM Seattle-Tacoma International Airport | 1 transfer | |
BA53 | 9:50 AM London Heathrow Airport | 9h45 | 11:35 AM Seattle-Tacoma International Airport | 0 transfersDirect | |
BA6149 · BA5955 | 9:50 AM London Heathrow Airport | 15h20 | 5:10 PM Seattle-Tacoma International Airport | 1 transfer | |
KL1004+ KL6038 | 9:55 AM London Heathrow Airport | 14h35 | 4:30 PM Seattle-Tacoma International Airport | 1 transfer | |
UA879 · UA2638 | 10:00 AM London Heathrow Airport | 17h12 | 7:12 PM Seattle-Tacoma International Airport | 1 transfer | |
UA879 · UA1795 | 10:00 AM London Heathrow Airport | 18h53 | 8:53 PM Seattle-Tacoma International Airport | 1 transfer | |
BA1590 · BA2488 | 10:05 AM London Heathrow Airport | 17h04 | 7:09 PM Seattle-Tacoma International Airport | 1 transfer | |
BA283+ BA7616 | 10:30 AM London Heathrow Airport | 16h26 | 6:56 PM Seattle-Tacoma International Airport | 1 transfer | |
UA900 · UA2279 | 10:35 AM London Heathrow Airport | 16h28 | 7:03 PM Seattle-Tacoma International Airport | 1 transfer | |
AF9301 · AF2828 | 10:45 AM London Heathrow Airport | 16h04 | 6:49 PM Seattle-Tacoma International Airport | 1 transfer | |
BA285+ BA7545 | 10:45 AM London Heathrow Airport | 15h31 | 6:16 PM Seattle-Tacoma International Airport | 1 transfer | |
LH2473 · LH488 | 10:50 AM London Heathrow Airport | 14h09 | 4:59 PM Seattle-Tacoma International Airport | 1 transfer | |
UA9230 · UA9414 | 10:50 AM London Heathrow Airport | 14h09 | 4:59 PM Seattle-Tacoma International Airport | 1 transfer | |
LH7504 · LH9356 | 11:05 AM London Heathrow Airport | 16h00 | 7:05 PM Seattle-Tacoma International Airport | 1 transfer | |
LH9356 · LH8910 | 11:05 AM London Heathrow Airport | 19h44 | 10:49 PM Seattle-Tacoma International Airport | 1 transfer | |
IB3634+ IB7293 | 11:10 AM London Heathrow Airport | 17h12 | 8:22 PM Seattle-Tacoma International Airport | 1 transfer | |
IB3634+ IB4131 | 11:10 AM London Heathrow Airport | 17h23 | 8:33 PM Seattle-Tacoma International Airport | 1 transfer | |
KL2504+ KL7608 | 11:20 AM London Heathrow Airport | 16h50 | 8:10 PM Seattle-Tacoma International Airport | 1 transfer | |
AF6758+ AF2509 | 11:20 AM London Heathrow Airport | 16h50 | 8:10 PM Seattle-Tacoma International Airport | 1 transfer | |
UA26 · UA2013 | 11:25 AM London Heathrow Airport | 14h34 | 5:59 PM Seattle-Tacoma International Airport | 1 transfer | |
AF1581+ AF3622 | 11:30 AM London Heathrow Airport | 14h09 | 5:39 PM Seattle-Tacoma International Airport | 1 transfer | |
KL4828 | 11:40 AM London Heathrow Airport | 10h20 | 2:00 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
AF9904 | 11:40 AM London Heathrow Airport | 10h20 | 2:00 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
KL1006+ KL6038 | 11:45 AM London Heathrow Airport | 12h45 | 4:30 PM Seattle-Tacoma International Airport | 1 transfer | |
KL6006 · KL7608 | 11:45 AM London Heathrow Airport | 16h25 | 8:10 PM Seattle-Tacoma International Airport | 1 transfer | |
AF2509 · AF3666 | 11:45 AM London Heathrow Airport | 16h25 | 8:10 PM Seattle-Tacoma International Airport | 1 transfer | |
B620 · B6263 | 11:55 AM London Heathrow Airport | 17h01 | 8:56 PM Seattle-Tacoma International Airport | 1 transfer | |
BA5959 · BA6149 | 12:00 PM London Heathrow Airport | 13h10 | 5:10 PM Seattle-Tacoma International Airport | 1 transfer | |
UA8203 · UA8270 | 12:05 PM London Heathrow Airport | 17h03 | 9:08 PM Seattle-Tacoma International Airport | 1 transfer | |
IB4189+ IB7293 | 12:15 PM London Heathrow Airport | 16h07 | 8:22 PM Seattle-Tacoma International Airport | 1 transfer | |
LH9260 · LH7484 | 12:15 PM London Heathrow Airport | 16h31 | 8:46 PM Seattle-Tacoma International Airport | 1 transfer | |
BA1544 · BA5767 | 12:15 PM London Heathrow Airport | 16h18 | 8:33 PM Seattle-Tacoma International Airport | 1 transfer | |
IB4131 · IB4189 | 12:15 PM London Heathrow Airport | 16h18 | 8:33 PM Seattle-Tacoma International Airport | 1 transfer | |
KL5980 · KL6111 | 12:25 PM London Heathrow Airport | 16h18 | 8:43 PM Seattle-Tacoma International Airport | 1 transfer | |
BA181+ BA8309 | 12:30 PM London Heathrow Airport | 16h26 | 8:56 PM Seattle-Tacoma International Airport | 1 transfer | |
IB3590+ IB7295 | 12:35 PM London Heathrow Airport | 15h54 | 8:29 PM Seattle-Tacoma International Airport | 1 transfer | |
UA949 · UA1577 | 1:00 PM London Heathrow Airport | 15h53 | 8:53 PM Seattle-Tacoma International Airport | 1 transfer | |
UA935 · UA684 | 1:05 PM London Heathrow Airport | 17h03 | 10:08 PM Seattle-Tacoma International Airport | 1 transfer | |
FI451 · FI681 | 1:05 PM London Heathrow Airport | 12h50 | 5:55 PM Seattle-Tacoma International Airport | 1 transfer | |
BA299+ BA5767 | 1:10 PM London Heathrow Airport | 15h23 | 8:33 PM Seattle-Tacoma International Airport | 1 transfer | |
AF3624 · AF2277 | 1:25 PM London Heathrow Airport | 16h21 | 9:46 PM Seattle-Tacoma International Airport | 1 transfer | |
UA4 · UA2456 | 1:40 PM London Heathrow Airport | 17h11 | 10:51 PM Seattle-Tacoma International Airport | 1 transfer | |
BA67+ BA6730 | 1:45 PM London Heathrow Airport | 15h50 | 9:35 PM Seattle-Tacoma International Airport | 1 transfer | |
WS1 · WS1552 | 2:10 PM London Heathrow Airport | 12h35 | 6:45 PM Seattle-Tacoma International Airport | 1 transfer | |
OS7851 · OS7703 | 2:10 PM London Heathrow Airport | 36h55 | 7:05 PM Seattle-Tacoma International Airport | 1 transfer | |
WS1 · WS1550 | 2:10 PM London Heathrow Airport | 27h30 | 9:40 AM Seattle-Tacoma International Airport | 1 transfer | |
LH8910 · LH9354 | 2:10 PM London Heathrow Airport | 16h39 | 10:49 PM Seattle-Tacoma International Airport | 1 transfer | |
LH6584 · AC541 | 2:10 PM London Heathrow Airport | 14h58 | 9:08 PM Seattle-Tacoma International Airport | 1 transfer | |
BA1520 · BA2491 | 2:25 PM London Heathrow Airport | 16h07 | 10:32 PM Seattle-Tacoma International Airport | 1 transfer | |
IB4205 · IB4301 | 2:25 PM London Heathrow Airport | 16h07 | 10:32 PM Seattle-Tacoma International Airport | 1 transfer | |
AF9890+ AF2581 | 2:30 PM London Heathrow Airport | 17h25 | 11:55 PM Seattle-Tacoma International Airport | 1 transfer | |
IB4396 · IB8549 | 2:45 PM London Heathrow Airport | 17h31 | 12:16 AM Seattle-Tacoma International Airport | 1 transfer | |
IB7294+ IB4396 | 2:45 PM London Heathrow Airport | 15h45 | 10:30 PM Seattle-Tacoma International Airport | 1 transfer | |
UA263 · UA2651 | 2:50 PM London Heathrow Airport | 16h20 | 11:10 PM Seattle-Tacoma International Airport | 1 transfer | |
UA263 · UA360 | 2:50 PM London Heathrow Airport | 14h20 | 9:10 PM Seattle-Tacoma International Airport | 1 transfer | |
UA8581 · UA8669 | 3:05 PM London Heathrow Airport | 15h35 | 10:40 PM Seattle-Tacoma International Airport | 1 transfer | |
LH6510 · LH6812 | 3:05 PM London Heathrow Airport | 31h15 | 2:20 PM Seattle-Tacoma International Airport | 1 transfer | |
LH6812 · LH6564 | 3:05 PM London Heathrow Airport | 15h35 | 10:40 PM Seattle-Tacoma International Airport | 1 transfer | |
AF9094 · AF3487 | 3:15 PM London Heathrow Airport | 16h44 | 11:59 PM Seattle-Tacoma International Airport | 1 transfer | |
BA297+ BA5176 | 3:15 PM London Heathrow Airport | 17h01 | 12:16 AM Seattle-Tacoma International Airport | 1 transfer | |
IB3636+ IB8549 | 3:15 PM London Heathrow Airport | 17h01 | 12:16 AM Seattle-Tacoma International Airport | 1 transfer | |
BA267+ BA7536 | 3:40 PM London Heathrow Airport | 12h46 | 8:26 PM Seattle-Tacoma International Airport | 1 transfer | |
BA267+ BA2994 | 3:40 PM London Heathrow Airport | 14h54 | 10:34 PM Seattle-Tacoma International Airport | 1 transfer | |
UA939 · UA1007 | 4:15 PM London Heathrow Airport | 15h17 | 11:32 PM Seattle-Tacoma International Airport | 1 transfer | |
IB4207 · IB4691 | 4:25 PM London Heathrow Airport | 16h34 | 12:59 AM Seattle-Tacoma International Airport | 1 transfer | |
BA2489 · BA1530 | 4:25 PM London Heathrow Airport | 16h34 | 12:59 AM Seattle-Tacoma International Airport | 1 transfer | |
BA49 | 4:30 PM London Heathrow Airport | 9h55 | 6:25 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA925 · UA325 | 4:40 PM London Heathrow Airport | 29h58 | 2:38 PM Seattle-Tacoma International Airport | 1 transfer | |
AS101 | 5:00 PM London Heathrow Airport | 9h50 | 6:50 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
AF3586 | 5:45 PM London Heathrow Airport | 10h26 | 8:11 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
KL6022 | 5:45 PM London Heathrow Airport | 10h26 | 8:11 PM Seattle-Tacoma International Airport | 0 transfersDirect | |
UA921 · UA1741 | 6:00 PM London Heathrow Airport | 33h36 | 7:36 PM Seattle-Tacoma International Airport | 1 transfer | |
UA921 · UA1330 | 6:00 PM London Heathrow Airport | 26h01 | 12:01 PM Seattle-Tacoma International Airport | 1 transfer | |
LH490+ LH4231 | 6:30 PM London Heathrow Airport | 25h50 | 12:20 PM Seattle-Tacoma International Airport | 1 transfer | |
SK1516 · SK937 | 6:40 PM London Heathrow Airport | 27h05 | 1:45 PM Seattle-Tacoma International Airport | 1 transfer | |
LH919 · LH490 | 7:30 PM London Heathrow Airport | 24h50 | 12:20 PM Seattle-Tacoma International Airport | 1 transfer | |
SK1508 · SK937 | 7:30 PM London Heathrow Airport | 26h15 | 1:45 PM Seattle-Tacoma International Airport | 1 transfer | |
SK812 · SK451 · SK937 | 7:50 PM London Heathrow Airport | 25h55 | 1:45 PM Seattle-Tacoma International Airport | 2 transfers | |
SK534 · SK401 · SK937 | 9:05 PM London Heathrow Airport | 24h40 | 1:45 PM Seattle-Tacoma International Airport | 2 transfers | |
SK534 · SK1415 · SK937 | 9:05 PM London Heathrow Airport | 24h40 | 1:45 PM Seattle-Tacoma International Airport | 2 transfers | |
FI455 · FI685 | 9:25 PM London Heathrow Airport | 22h20 | 11:45 AM Seattle-Tacoma International Airport | 1 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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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.
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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.
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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.

popular airports
Popular airports from London Heathrow Airport to Seattle-Tacoma International Airport
- Free Wi-Fi available throughout the airport for up to 4 hours.
- Shops are located throughout all terminals, including Harrods and World Duty Free.
- Short Stay parking available near each terminal, approximately 6.3€ (£5.30) for 30 minutes.
- Available outside the terminal.
- Assistance.
- Available throughout the airport, including accessible facilities.
- Yes
- Lounges available in all terminals, including British Airways and Plaza Premium lounges.
- Located at each terminal, contact Heathrow Airport Lost Property.
- Bus: 105, 111, 140, 285, 423
- Metro: Piccadilly Line
- Train: Heathrow Express, TfL Rail
- Free Wi-Fi available throughout the airport.
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
- Available outside the terminal.
- Elevators, ramps
- Available throughout the airport, near gates and in main terminal areas.
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
- Lost and Found located on the baggage claim level, near carousel 13.
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
- Link Light Rail, SeaTac/Airport Station, 40 minutes
Most popular flights from London Heathrow Airport
More options for your journey from London Heathrow Airport to Seattle-Tacoma International Airport
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