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Journey information
Overview: Seattle-Tacoma International Airport to London Heathrow Airport flight
USA
United Kingdom
Flights from Seattle-Tacoma International Airport to London Heathrow Airport depart on average 93 times per day, taking around 12h 51m. Cheap flight tickets for this journey start at $458 (€374) if you book in advance.
There are 5 flights per day. The earliest flight runs at 02:00, the last at 22:40. The fastest flight covers the 4786 miles (7703 km) distance in 11h 50m. April 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 12h 51m |
Cheapest ticket price $458 (€374) |
Flights per day 93 |
Direct flights 5 |
Fastest flight 11h 50m |
First flight 2:00 AM |
Last flight 10:40 PM |
Cheapest Month Apr |
Cheapest Day Mon |
High Season Apr - Jun |
Low Season Jan - Mar |
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 Seattle-Tacoma International Airport to London Heathrow Airport
Showing times and prices for Jun 19
Cheapest price
$901
Average price
$1269
Fastest journey
9 h 15 m
Average duration
9 h 24 m
Flights per day
7
Distance
7703 km
Cheap tickets
The best way to find a cheap flight ticket from Seattle-Tacoma International Airport to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Seattle-Tacoma International Airport to London Heathrow Airport will cost around $1269 if you buy it on the day, but the cheapest tickets can be found for only $901.
Fast flights
Of the 7 flights that leave Seattle-Tacoma International Airport for London Heathrow Airport onFri, Jun 19, 7 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Jun 19 the direct flights cover the 7703 km distance in an average of 9 h 24 m but if you time it right, some flights will get you there in just 9 h 15 m .
On Fri, Jun 19 the longest flights will take 9 h 30 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.
KL48296:20 PM9h50Seattle-Tacoma International Airport12:10 PMLondon Heathrow Airport$9011One-way0 transfers
AF360310:05 PM9h30Seattle-Tacoma International Airport3:35 PMLondon Heathrow Airport$9011One-way0 transfers- AF99056:20 PM9h50Seattle-Tacoma International Airport12:10 PMLondon Heathrow Airport$9011One-way0 transfers
- KL602110:05 PM9h30Seattle-Tacoma International Airport3:35 PMLondon Heathrow Airport$9011One-way0 transfers
BA488:20 PM9h25Seattle-Tacoma International Airport1:45 PMLondon Heathrow Airport$13171One-way0 transfers
- BA521:30 PM9h15Seattle-Tacoma International Airport6:45 AMLondon Heathrow Airport$19031One-way0 transfers
AS1009:45 PM9h20Seattle-Tacoma International Airport3:05 PMLondon Heathrow Airport$20581One-way0 transfers- BA488:20 PM9h25Seattle-Tacoma International Airport1:45 PMLondon Heathrow Airport$13171One-way0 transfers
- AF360310:05 PM9h30Seattle-Tacoma International Airport3:35 PMLondon Heathrow Airport$9011One-way0 transfers
- KL602110:05 PM9h30Seattle-Tacoma International Airport3:35 PMLondon Heathrow Airport$9011One-way0 transfers
Live departures
Seattle-Tacoma International Airport to London Heathrow Airport flight times
The table below shows live departures for Seattle-Tacoma International Airport to London Heathrow Airport flights for today, Thursday, June 18. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| BA52 | 1:30 PM Seattle-Tacoma International Airport | 9h15 | 6:45 AM London Heathrow Airport | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Seattle-Tacoma International Airport to London Heathrow 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 should you book Seattle-Tacoma International Airport to London Heathrow Airport flights with Omio?
American Airlines operates all flights services from Seattle-Tacoma International Airport to London Heathrow Airport.
Omio is an official ticket reseller for all your travel options from Seattle-Tacoma International Airport to London Heathrow Airport.
Why book with Omio vs American Airlines?
- 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.
Airlines: American Airlines from Seattle-Tacoma International Airport to London Heathrow AirportFind the best flights between Seattle-Tacoma International Airport to London Heathrow Airport with Omio's travel partners American Airlines from $458 (€374). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
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
11 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
Complete guide to London Heathrow Airport
Things to do in London Heathrow Airport
Discover the best of London Heathrow Airport — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London Heathrow Airport trip today.
- Recommended
Orleans House Gallery
A riverside gallery in Twickenham known for changing exhibitions and the striking Baroque Octagon Room. It combines art, architecture, and a quieter local atmosphere.
- Recommended
Marianne North Gallery
A remarkable Victorian gallery in Kew Gardens displaying botanical paintings from around the world. It is especially appealing to visitors who want something beautiful and less conventional.
- Must visit
Kew Gardens
A world-famous botanical landscape with glasshouses, treetop views, and seasonal displays. It is one of the strongest attractions near Heathrow and highly photogenic.
- Must visit
Richmond Park
A vast royal park known for open landscapes, deer, and sweeping views. It is one of the best outdoor escapes in southwest London and a favorite for walks and photography.
- Must visit
Windsor Great Park
A huge historic parkland landscape with the Long Walk, lake views, and royal associations. It is a top outdoor option close to Heathrow and very popular for scenic walks.
Full English Breakfast
A classic British breakfast with eggs, sausages, bacon, beans, mushrooms, grilled tomato, and toast. It is an iconic hearty meal across England.
Fish And Chips
Beer-battered fish served with thick-cut chips, often with mushy peas and tartar sauce. It is one of Britain’s most famous comfort foods.
Sunday Roast
Roast meat with roast potatoes, seasonal vegetables, gravy, and Yorkshire pudding. This traditional British meal is especially associated with pub dining.
Gordon Ramsay Plane Food
A well-known airport restaurant in Terminal 5 offering modern British and international dishes in a polished, convenient setting.
The Perfectionists' Cafe
A casual dining spot by Heston Blumenthal in Terminal 2, known for fish and chips, pizzas, and comfort food with a quality-focused approach.
The Crown Rivers
A Fuller’s pub at Heathrow serving classic British pub fare and drinks in a relaxed setting suited to travelers wanting traditional flavors.
Pound Sterling
Heathrow prices are high versus most UK cities, especially for dining and convenience purchases.
Average meal costs
- Budget
- GBP 8-12 for fast food or a grab-and-go meal.
- Mid-range
- GBP 18-30 per person at a casual sit-down restaurant.
- Fine dining
- GBP 45+ per person at upscale airport dining.
- Coffee
- GBP 3-5 for a regular coffee.
Tipping culture
Service charge may be included at sit-down restaurants. If not, 10-12.5% is standard for good service. No tip needed for fast food or takeaway; round up taxis.
TfL Go
Get the appOfficial public transport app
Prices
- Single ticket
- GBP 2.80
- Day pass
- GBP 8.50
To the city center
London Heathrow Airport -> Paddington Station, London
- Distance
- 25 km
- Travel time
- 15 min
- Use Contactless or Oyster for TfL services; daily caps apply automatically on Tube, Elizabeth line, buses, and most local rail services.
- Card payment is accepted on London buses and trams, but buses are cash-free and do not accept paper tickets bought onboard.
FAQs: Seattle-Tacoma International Airport to London Heathrow Airport Flight
Find answers to the most common questions about traveling from Seattle-Tacoma International Airport to London Heathrow 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 London Heathrow Airport, this guide helps you travel smarter and with confidence.
Cheap plane tickets from Seattle-Tacoma International Airport to London Heathrow Airport can start from as little as $458 (€374) when you book in advance. The average flight ticket price for Seattle-Tacoma International Airport to London Heathrow Airport is $529 (€432) ; 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 Seattle-Tacoma International Airport to London Heathrow Airport is 11h 50m 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 Seattle-Tacoma International Airport to London Heathrow Airport leaves at 2:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Seattle-Tacoma International Airport to London Heathrow Airport leaves at 10:40 PM.
Yes, there are 5 direct flights a day from Seattle-Tacoma International Airport to London Heathrow Airport with . Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Seattle-Tacoma International Airport to London Heathrow Airport, you can count on American Airlines for the best way to get you to London Heathrow Airport. You can also check all possible airlines who offer a service between Seattle-Tacoma International Airport and London Heathrow Airport and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from Seattle-Tacoma International Airport to London Heathrow Airport is April.
Yes, you can take a flight between Seattle-Tacoma International Airport and London Heathrow Airport.
Since neither Seattle-Tacoma International Airport nor London Heathrow Airport are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United Kingdom. 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 Seattle-Tacoma International Airport and London Heathrow Airport all year round.
The best events to attend in London Heathrow Airport include:
- Notting Hill Carnival, a colorful celebration of Caribbean culture with parades and music
- London Fashion Week, a major event showcasing the latest trends in fashion
- The Thames Festival, a riverside festival featuring arts, music, and food along the Thames
- New Year's Day Parade, a grand parade featuring marching bands and performers to ring in the new year.
The best holidays to experience in London Heathrow Airport include:
- Easter, mild spring weather and blooming flowers
- May Bank Holiday, pleasant temperatures and outdoor activities
- Late Summer Bank Holiday, warm weather perfect for exploring parks and attractions
- Christmas, festive decorations and holiday spirit throughout the city.
The best season to visit London Heathrow Airport is Spring or Summer. The best weather to explore London Heathrow Airport is during May-June or September-October.
We recommend using the flight as it is the most popular way to get from Seattle-Tacoma International Airport to London Heathrow 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 Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
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 Seattle-Tacoma International Airport to London Heathrow Airport
Most Seattle-Tacoma International Airport to London Heathrow Airport flights use the Seattle-Tacoma International Airport to London Heathrow Airport airport pair, with some services landing at London Gatwick Airport. Use this guide to compare Seattle-Tacoma International Airport and London Heathrow Airport airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Departure airports in Seattle
Arrival airports in London
Seattle-Tacoma International Airport (SEA)17801 Intertiol Blvd, Seattle, WA 98158, USA
City-centre transport
Getting to Seattle-Tacoma International Airport from Seattle city centre
Bus124 · 20m · $4
Dungeness Line · 39m · $27
570 · 41m · $4 · every ~1 min
Dungeness Line · 56m · $28
Tram1 Line · 44m · $4 · every ~14 min
1 Line · 45m · $4 · every ~14 min
ShuttleI-5 Corridor Southbound, Anacortes Southbound · 25m · $9
Seattle-Tacoma International Airport airport facilities and services
Seattle-Tacoma International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food and drink
Food options include: Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located throughout the terminal, including near baggage claim and ticketingas.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Seattle-Tacoma International Airport: Parking, Taxis, WC.
Bike and car services
Available at Seattle-Tacoma International Airport: Car Rental.
Accessibility
Accessibility facilities are available at Seattle-Tacoma International Airport: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport..
London Heathrow Airport (LHR)Longford TW6, United Kingdom
City-centre transport
Getting to London Heathrow Airport from London city centre
London Heathrow Airport is 23 km from London city centre. Public transport options include:
TrainElizabeth, London Paddington - Heathrow Terminal 4, London Paddington - Heathrow Terminal 5 · 15m · $43 · every ~3 min
Elizabeth · 35m · $21 · every ~8 min
BusUkn14, Ukn02, Uk043, Uk042, Ukn23, Ukxn10, Ukn49 · 50m · $2 · every ~1 min
Ukxn10 · 50m · $4 · every ~1 min
Ukxn10 · 50m · $4 · every ~1 min
N9 · 1h 11m · $2 · every ~4 min
SubwayPiccadilly · 47m · $26 · every ~27 min
London Heathrow Airport airport facilities and services
London Heathrow Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport for up to 4 hours. ATMs are located in all terminals, offering multiple currencies.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London Heathrow Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at London Heathrow Airport: Assistance.
London Gatwick Airport (LGW)Horley, Gatwick RH6 0NP, United Kingdom
City-centre transport
Getting to London Gatwick Airport from London city centre
London Gatwick Airport is 1 km from London city centre. Public transport options include:
TrainLondon Victoria - Littlehampton, London Victoria - Portsmouth Harbour, London Victoria - Eastbourne, London Victoria - Ore, London Victoria - Brighton, London Victoria - Arundel, London Victoria - Polegate, London Victoria - Lewes, London Victoria - Chichester, London Victoria - Angmering, London Victoria - Hastings, London Victoria - Three Bridges, London Victoria - Gatwick Airport, London Victoria - Horsham, London Victoria - Portsmouth & Southsea, London Victoria - Bognor Regis, London Victoria - Worthing, London Victoria - Barnham · 33m · $31 · every ~12 min
London Victoria - Brighton, London Victoria - Bognor Regis, London Victoria - Portsmouth Harbour, London Victoria - Horsham, London Victoria - Littlehampton, London Victoria - Three Bridges, London Victoria - Ore, London Victoria - Hastings, London Victoria - Eastbourne, London Victoria - Worthing, London Victoria - Portsmouth & Southsea, London Victoria - Chichester, London Victoria - Gatwick Airport, London Victoria - Polegate, London Victoria - Barnham, London Victoria - Lewes, London Victoria - Angmering, London Victoria - Arundel · 33m · $31 · every ~12 min
Bedford - Brighton, Bedford - Three Bridges, Cambridge - Brighton, Bedford - Horsham, Bedford - Gatwick Airport, Peterborough - Horsham, Luton - Gatwick Airport, Luton - Three Bridges, West Hampstead Thameslink - Three Bridges, West Hampstead Thameslink - Brighton, West Hampstead Thameslink - Gatwick Airport, West Hampstead Thameslink - Horsham, Luton - Brighton, Cambridge - Three Bridges, Bedford - Haywards Heath, Luton - Horsham, Finsbury Park - Brighton, Finsbury Park - Horsham, Royston - Brighton, Flitwick - Brighton · 34m · $24 · every ~17 min
Bus025, A2 · 2h 15m · $17 · every ~5 min
025, A2 · 2h 15m · $17 · every ~5 min
London Gatwick Airport airport facilities and services
London Gatwick Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport for 90 minutes. ATMs are located in both terminals, offering multiple currencies.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London Gatwick Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at London Gatwick Airport: Assistance.
London City Airport (LCY)Hartmann Rd, Royal Docks, London E16 2PX, United Kingdom
City-centre transport
Getting to London City Airport from London city centre
London City Airport is 12 km from London city centre. Public transport options include:
TrainDlr · 23m · $2 · every ~27 min
Dlr · 23m · $2 · every ~27 min
Bus473 · 40m · $38 · every ~23 min
London City Airport airport facilities and services
London City Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Lounge, and Lost and Found Office.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located in the terminal.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London City Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at London City Airport: Elevators, ramps.
More options for your journey from Seattle-Tacoma International Airport to London Heathrow Airport
Here are some other resources that might have the information you need
Most popular flights to and from London Heathrow Airport and Seattle-Tacoma International Airport
Most popular flights to London Heathrow Airport
HomeFlightsFlights in United KingdomSeattle-Tacoma International Airport to London Heathrow Airport Flights
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