Journey information
Overview: Seattle, WA to London flight
Flights from Seattle, WA to London depart on average 65 times per day, taking around 11h 2m. Cheap flight tickets for this journey start at $262 (€212) if you book in advance.
There are 4 flights per day. The earliest flight runs at 05:00, the last at 23:56. The fastest flight covers the 4784 miles (7700 km) distance in 14h 5m. September is the cheapest month to fly.
Distance 4784 miles (7700 km) |
Average flight duration 11h 2m |
Cheapest ticket price $262 (€212) |
Flights per day 65 |
Direct flights 4 |
Fastest flight 14h 5m |
Cheapest month to travel September |
First flight 05:00 |
Last flight 23:56 |
The cheapest and fastest flights from Seattle, WA to London
Cheapest price
$262
Average price
$384
Fastest journey
14 h 25 m
Average duration
14 h 38 m
Flights per day
2
Distance
7700 km
The best way to find a cheap flight ticket from Seattle, WA to London is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Seattle, WA to London will cost around $384 if you buy it on the day, but the cheapest tickets can be found for only $262.
Of the 2 flights that leave Seattle, WA for London onMon, Dec 01, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Dec 01 the direct flights cover the 7700 km distance in an average of 14 h 38 m but if you time it right, some flights will get you there in just 14 h 25 m .
On Mon, Dec 01 the longest flights will take 14 h 50 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.




Live departures
Seattle, WA to London flight times
The table below shows live departures for Seattle, WA to London flights for today, Sunday, November 30. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA4672 · UA901 | 1:30 PM Seattle-Tacoma International Airport | 17h55 | 7:25 AM London Heathrow Airport | 1 transfer | |
AF2179 · AF3639 | 2:00 PM Seattle-Tacoma International Airport | 18h45 | 8:45 AM London Heathrow Airport | 1 transfer | |
UA2640 · UA901 | 3:00 PM Seattle-Tacoma International Airport | 16h25 | 7:25 AM London Heathrow Airport | 1 transfer | |
AF2578+ AF9903 | 3:15 PM Seattle-Tacoma International Airport | 15h10 | 6:25 AM London Heathrow Airport | 1 transfer | |
KL7224+ KL4805 | 3:15 PM Seattle-Tacoma International Airport | 15h10 | 6:25 AM London Heathrow Airport | 1 transfer | |
UA5654 · UA923 | 5:04 PM Seattle-Tacoma International Airport | 20h26 | 1:30 PM London Heathrow Airport | 1 transfer | |
UA1116 · UA901 | 5:25 PM Seattle-Tacoma International Airport | 14h00 | 7:25 AM London Heathrow Airport | 1 transfer | |
UA1116 · UA930 | 5:25 PM Seattle-Tacoma International Airport | 18h35 | 12:00 PM London Heathrow Airport | 1 transfer | |
KL5325 · KL6112 | 5:28 PM Seattle-Tacoma International Airport | 13h37 | 7:05 AM London Heathrow Airport | 1 transfer | |
AF2400 · AF3583 | 5:28 PM Seattle-Tacoma International Airport | 13h37 | 7:05 AM London Heathrow Airport | 1 transfer | |
BA7613+ BA280 | 7:27 PM Seattle-Tacoma International Airport | 17h03 | 12:30 PM London Heathrow Airport | 1 transfer | |
BA7613+ BA1604 | 7:27 PM Seattle-Tacoma International Airport | 16h53 | 12:20 PM London Heathrow Airport | 1 transfer | |
KL7426 · KL6077 | 7:56 PM Seattle-Tacoma International Airport | 12h49 | 8:45 AM London Heathrow Airport | 1 transfer | |
AF2197 · AF9092 | 10:02 PM Seattle-Tacoma International Airport | 13h38 | 11:40 AM London Heathrow Airport | 1 transfer | |
AF3653+ AF1780 | 10:05 PM Seattle-Tacoma International Airport | 15h40 | 1:45 PM London Heathrow Airport | 1 transfer | |
AF3653+ AF1180 | 10:05 PM Seattle-Tacoma International Airport | 20h15 | 6:20 PM London Heathrow Airport | 1 transfer | |
AF3653+ AF1280 | 10:05 PM Seattle-Tacoma International Airport | 18h30 | 4:35 PM London Heathrow Airport | 1 transfer | |
AF8671+ AF9654 | 10:11 PM Seattle-Tacoma International Airport | 18h39 | 4:50 PM London Heathrow Airport | 1 transfer | |
KL6977+ KL2515 | 10:11 PM Seattle-Tacoma International Airport | 18h39 | 4:50 PM London Heathrow Airport | 1 transfer | |
KL6436+ KL2515 | 10:19 PM Seattle-Tacoma International Airport | 18h31 | 4:50 PM London Heathrow Airport | 1 transfer | |
BA7629+ BA268 | 10:35 PM Seattle-Tacoma International Airport | 16h55 | 3:30 PM London Heathrow Airport | 1 transfer | |
FI680 · FI454 | 10:35 PM Seattle-Tacoma International Airport | 20h55 | 7:30 PM London Heathrow Airport | 1 transfer | |
BA7629+ BA1509 | 10:35 PM Seattle-Tacoma International Airport | 15h25 | 2:00 PM London Heathrow Airport | 1 transfer | |
FI680 · FI470 | 10:35 PM Seattle-Tacoma International Airport | 12h20 | 10:55 AM London Gatwick Airport | 1 transfer | |
KL6032+ KL1009 | 11:00 PM Seattle-Tacoma International Airport | 14h50 | 1:50 PM London Heathrow Airport | 1 transfer | |
KL6032+ KL1015 | 11:00 PM Seattle-Tacoma International Airport | 20h15 | 7:15 PM London Heathrow Airport | 1 transfer | |
KL6032+ KL1017 | 11:00 PM Seattle-Tacoma International Airport | 21h50 | 8:50 PM London Heathrow Airport | 1 transfer | |
KL6032+ KL1013 | 11:00 PM Seattle-Tacoma International Airport | 18h00 | 5:00 PM London Heathrow Airport | 1 transfer | |
KL6032+ KL1011 | 11:00 PM Seattle-Tacoma International Airport | 17h05 | 4:05 PM London Heathrow Airport | 1 transfer | |
LH489 · LH2474 | 11:10 PM Seattle-Tacoma International Airport | 13h50 | 1:00 PM London Heathrow Airport | 1 transfer | |
LH489 · LH2476 | 11:10 PM Seattle-Tacoma International Airport | 16h40 | 3:50 PM London Heathrow Airport | 1 transfer | |
LH489+ LH4196 | 11:10 PM Seattle-Tacoma International Airport | 17h55 | 5:05 PM London Heathrow Airport | 1 transfer | |
WS1553 · WS2 | 11:10 PM Seattle-Tacoma International Airport | 13h40 | 12:50 PM London Heathrow Airport | 1 transfer | |
BA7542+ BA286 | 11:32 PM Seattle-Tacoma International Airport | 15h38 | 3:10 PM London Heathrow Airport | 1 transfer | |
LH6645 · LH6841 | 11:40 PM Seattle-Tacoma International Airport | 12h10 | 11:50 AM London Heathrow Airport | 1 transfer | |
AF3607 | 12:48 AM Seattle-Tacoma International Airport | 9h42 | 10:30 AM London Heathrow Airport | 0 transfersDirect | |
KL6021 | 12:48 AM Seattle-Tacoma International Airport | 9h42 | 10:30 AM London Heathrow Airport | 0 transfersDirect | |
BA7575+ BA84 | 1:46 AM Seattle-Tacoma International Airport | 13h04 | 2:50 PM London Heathrow Airport | 1 transfer | |
AF2676+ AF9654 | 1:59 AM Seattle-Tacoma International Airport | 14h51 | 4:50 PM London Heathrow Airport | 1 transfer | |
BA48 | 2:50 AM Seattle-Tacoma International Airport | 9h30 | 12:20 PM London Heathrow Airport | 0 transfersDirect | |
EI52 · EI168 | 4:05 AM Seattle-Tacoma International Airport | 11h30 | 3:35 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA4471 | 4:05 AM Seattle-Tacoma International Airport | 16h35 | 8:40 PM London City Airport | 1 transfer | |
BA6148+ BA4467 | 4:05 AM Seattle-Tacoma International Airport | 13h25 | 5:30 PM London City Airport | 1 transfer | |
BA6148+ BA835 | 4:05 AM Seattle-Tacoma International Airport | 15h10 | 7:15 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA827 | 4:05 AM Seattle-Tacoma International Airport | 12h30 | 4:35 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA839 | 4:05 AM Seattle-Tacoma International Airport | 17h55 | 10:00 PM London Heathrow Airport | 1 transfer | |
BA6148 · BA5960 | 4:05 AM Seattle-Tacoma International Airport | 17h00 | 9:05 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA4469 | 4:05 AM Seattle-Tacoma International Airport | 14h30 | 6:35 PM London City Airport | 1 transfer | |
EI52 · EI178 | 4:05 AM Seattle-Tacoma International Airport | 15h45 | 7:50 PM London Heathrow Airport | 1 transfer | |
BA6148 · BA5968 | 4:05 AM Seattle-Tacoma International Airport | 11h30 | 3:35 PM London Heathrow Airport | 1 transfer | |
BA6148 · BA5978 | 4:05 AM Seattle-Tacoma International Airport | 15h45 | 7:50 PM London Heathrow Airport | 1 transfer | |
EI52 · EI172 | 4:05 AM Seattle-Tacoma International Airport | 12h45 | 4:50 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA833 | 4:05 AM Seattle-Tacoma International Airport | 13h20 | 5:25 PM London Heathrow Airport | 1 transfer | |
EI52+ EI8327 | 4:05 AM Seattle-Tacoma International Airport | 12h30 | 4:35 PM London Heathrow Airport | 1 transfer | |
BA6148 · BA5972 | 4:05 AM Seattle-Tacoma International Airport | 12h45 | 4:50 PM London Heathrow Airport | 1 transfer | |
EI52+ EI8335 | 4:05 AM Seattle-Tacoma International Airport | 15h10 | 7:15 PM London Heathrow Airport | 1 transfer | |
BA6148+ BA4473 | 4:05 AM Seattle-Tacoma International Airport | 17h25 | 9:30 PM London City Airport | 1 transfer | |
EI52+ EI8333 | 4:05 AM Seattle-Tacoma International Airport | 13h20 | 5:25 PM London Heathrow Airport | 1 transfer | |
UA326 · UA27 | 6:00 AM Seattle-Tacoma International Airport | 27h40 | 9:40 AM London Heathrow Airport | 1 transfer | |
KL7847+ KL2505 | 6:15 AM Seattle-Tacoma International Airport | 13h55 | 8:10 PM London Heathrow Airport | 1 transfer | |
Find all the dates and times for this journey
Compare prices and tickets Seattle, WA to London 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.
Dec 01
Dec 02
Dec 03
Dec 04
Dec 05
Dec 06
Dec 07
Airlines: American Airlines, Icelandair, Virgin Atlantic, Aer Lingus, British Airways, DELTA, United, Turkish Airlines from Seattle, WA to LondonFind the best flights between Seattle, WA to London with Omio's travel partners American Airlines, Icelandair, Virgin Atlantic, Aer Lingus, British Airways, DELTA, United, Turkish Airlines from $262 (€212). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
American Airlines
Virgin Atlantic
British Airways
Turkish Airlines
Icelandair
Aer Lingus
DELTA
FAQs: Seattle, WA to London Flight
Find answers to the most common questions about traveling from Seattle, WA to London 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, this guide helps you travel smarter and with confidence.

- Notting Hill Carnival, a colorful celebration of Caribbean culture with parades and music
- London Fashion Week, a showcase of the latest trends from top designers
- The Thames Festival, a riverside festival featuring arts, music, and food
- New Year's Eve Fireworks, a spectacular fireworks display over the River Thames to ring in the new year.
- Easter, mild spring weather and blooming flowers
- May Bank Holiday, pleasant temperatures and outdoor activities
- August Bank Holiday, summer festivities and events
- Christmas, festive decorations and holiday markets.
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.
popular airports
Popular airports from Seattle, WA to London
- 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
- Free Wi-Fi available throughout the airport for 90 minutes.
- Shops are located in both terminals, including Harrods and World Duty Free.
- Short stay parking available at both terminals, approximately 6€ (£5) for 30 minutes.
- Available outside the terminal.
- Assistance.
- Available throughout the airport, including accessible facilities.
- Yes
- Lounges available in both terminals, including No1 Lounge and Club Aspire.
- Located in the South Terminal, inquiries can be made online or in person.
- Train: Gatwick Express, Southern, Thameslink
- Bus: National Express, Metrobus
- Free Wi-Fi available throughout the airport.
- Shops in the terminal, including WHSmith and Aelia Duty-Free.
- Short-term and long-term parking available, starting at approximately 4.2€ (£3.50) per hour.
- Available outside the terminal.
- Elevators, ramps.
- Available throughout the airport.
- Lounge available, including the First Class Lounge.
- Located in the terminal, contact information desk.
- DLR
- Bus 473
- Bus 474
- 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
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