2,000+ travel companies
2,000+ travel companies
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
4.942K ratings
Google Play
4.6136K reviews
Journey information
Overview: Seattle-Tacoma International Airport to London flight
USA
United Kingdom
Flights from Seattle-Tacoma International Airport to London depart on average 101 times per day, taking around 10h 33m. Cheap flight tickets for this journey start at $454 (€366) if you book in advance.
There are 5 flights per day. The earliest flight runs at 02:00, the last at 18:45. The fastest flight covers the 4792 miles (7713 km) distance in 11h 40m. 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 4792 miles (7713 km) |
Average flight duration 10h 33m |
Cheapest ticket price $454 (€366) |
Flights per day 101 |
Direct flights 5 |
Fastest flight 11h 40m |
First flight 2:00 AM |
Last flight 6:45 PM |
Cheapest Month Mar |
Cheapest Day Wed |
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 Seattle-Tacoma International Airport to London
Showing times and prices for May 28
Cheapest price
$462
Average price
$516
Fastest journey
11 h 40 m
Average duration
14 h 41 m
Flights per day
3
Distance
7713 km
Cheap tickets
The best way to find a cheap flight ticket from Seattle-Tacoma International Airport 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-Tacoma International Airport to London will cost around $516 if you buy it on the day, but the cheapest tickets can be found for only $462.
Fast flights
Of the 3 flights that leave Seattle-Tacoma International Airport for London onThu, May 28, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, May 28 the direct flights cover the 7713 km distance in an average of 14 h 41 m but if you time it right, some flights will get you there in just 11 h 40 m .
On Thu, May 28 the longest flights will take 17 h 7 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.
2:00 AM11h40Seattle-Tacoma International Airport1:40 PMLondon$4621One-way0 transfers
6:45 PM15h15Seattle-Tacoma International Airport10:00 AMLondon$4821One-way0 transfers
5:48 PM17h07Seattle-Tacoma International Airport10:55 AMLondon$6031One-way0 transfers
- 2:00 AM11h40Seattle-Tacoma International Airport1:40 PMLondon$4621One-way0 transfers
- 6:45 PM15h15Seattle-Tacoma International Airport10:00 AMLondon$4821One-way0 transfers
- 5:48 PM17h07Seattle-Tacoma International Airport10:55 AMLondon$6031One-way0 transfers
Live departures
Seattle-Tacoma International Airport to London flight times
The table below shows live departures for Seattle-Tacoma International Airport to London flights for tomorrow, Wednesday, May 27. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 2:00 AM Seattle-Tacoma International Airport | 11h40 | 1:40 PM London | 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 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.
Wed
May 27
May 27
Thu
May 28
May 28
Fri
May 29
May 29
Sat
May 30
May 30
Sun
May 31
May 31
Mon
Jun 01
Jun 01
Tue
Jun 02
Jun 02
Why should you book Seattle-Tacoma International Airport to London flights with Omio?
British Airways as well as United or Icelandair offer flights services from Seattle-Tacoma International Airport to London.
Omio is an official ticket reseller for all your travel options from Seattle-Tacoma International Airport to London.
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 United or Icelandair to find the best option for your trip from Seattle-Tacoma International Airport to London.
- 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 United or Icelandair to find the best option for your trip from Seattle-Tacoma International Airport to London.
Airlines: British Airways, United, Icelandair from Seattle-Tacoma International Airport to LondonFind the best flights between Seattle-Tacoma International Airport to London with Omio's travel partners British Airways, United, Icelandair from $454 (€366). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
14h 25m
Cheapest Price
$516 (€416)
United frequency
37 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
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
Average Duration
15h 15m
Cheapest Price
$482 (€388)
British Airways frequency
10 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
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
11h 40m
Cheapest Price
$454 (€366)
Icelandair frequency
4 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
FAQs: Seattle-Tacoma International Airport to London Flight
Find answers to the most common questions about traveling from Seattle-Tacoma International Airport 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.
Cheap plane tickets from Seattle-Tacoma International Airport to London can start from as little as $454 (€366) when you book in advance. The average flight ticket price for Seattle-Tacoma International Airport to London is $549 (€443) ; 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 is 11h 40m to travel the 4792 miles (7713 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 leaves at 2:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Seattle-Tacoma International Airport to London leaves at 6:45 PM.
Yes, there are 5 direct flights a day from Seattle-Tacoma International Airport to London with British Airways. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Seattle-Tacoma International Airport to London, you can count on British Airways, United, Icelandair for the best way to get you to London. You can also check all possible airlines who offer a service between Seattle-Tacoma International Airport and London and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from Seattle-Tacoma International Airport to London is March.
Yes, you can take a flight between Seattle-Tacoma International Airport and London.
Since neither Seattle-Tacoma International Airport nor London 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 all year round.
The best events to attend in London include:
- 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.
Some of the most interesting sights to explore in London are:
- The British Museum, a world-renowned museum housing a vast collection of art and antiquities from around the globe
- The Tower of London, a historic castle and former royal residence known for its Crown Jewels and rich history
- Buckingham Palace, the official residence of the British monarch and a symbol of the British monarchy
- The Houses of Parliament and Big Ben, iconic landmarks representing the political heart of the United Kingdom
- St. Paul's Cathedral, an architectural masterpiece with a stunning dome and rich history.
The best holidays to experience in London include:
- 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.
The best things to do in London include:
- The London Eye, a giant Ferris wheel on the South Bank offering panoramic views of the city
- West End Theatre District, a vibrant area known for its high-quality theatrical productions and musicals
- Explore Camden Market, a bustling market known for its eclectic mix of food, fashion, and crafts
- Take a walk through Hyde Park, one of London's largest and most famous parks offering beautiful landscapes and recreational activities
- Visit the Tate Modern, a contemporary art museum housed in a former power station on the banks of the Thames.
The best season to visit London is Spring or Summer. The best weather to explore London 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 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.
In London, travelers should be cautious of pickpocketing, especially in crowded areas like public transport, markets, and popular tourist sites. Common scams include fake charity collectors, overcharging by unlicensed taxi drivers, and distraction techniques used by thieves. Always use official black cabs or licensed minicabs booked through reputable apps, and keep personal belongings secure to reduce risks. Staying vigilant in busy locations and avoiding unsolicited offers helps ensure a safer visit.
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
Seattle
London
The major airport for departures in Seattle is Seattle-Tacoma International Airport. Find all the information you need to know about services, amenities and connections at Seattle-Tacoma International Airport for your trip from Seattle to London.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Car connection
I-5, Exit 154BWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops include duty-free, Hudson News, and local specialty stores, located in the main terminal and concourses.
Parking
- Parking available in the General Parking area, approximately 4.7€ ($5) per hour.
Dining
- Restaurants are available, including fast food and sit-down options like McDold's and Beecher's Handmade Cheese.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport, near gates and in main terminal areas.
Hotel
- Hotels within walking distance, such as the Seattle Airport Marriott and Hilton Seattle Airport.
Shower
- Showers are available at The Club at SEA lounges, typically included in lounge access fees.
Lounge
- Lounges include The Club at SEA and Delta Sky Club, offering amenities like scks and showers.
Lost and Found Office
- Lost and Found located on the baggage claim level, near carousel 13.
Car Rental
- Car rental services are available at the Rental Car Facility, accessible via a free shuttle from the terminal.
Public transit options for Seattle-Tacoma International Airport
- Link Light Rail, SeaTac/Airport Station, 40 minutes
The major airport for arrivals 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 journey to London from Seattle.
Amenities at airport
WifiShoppingParkingATMTaxisAccessibilityWCShowerLoungeLost and Found Officeinformation
Distance to city center
23 kmCar connection
M4, Junction 4Wifi
- Free Wi-Fi available throughout the airport for up to 4 hours.
Shopping
- Shops are located throughout all terminals, including Harrods and World Duty Free.
Parking
- Short Stay parking available near each terminal, approximately 6.3€ (£5.30) for 30 minutes.
Taxis
- Available outside the terminal.
Accessibility
- Assistance.
WC
- Available throughout the airport, including accessible facilities.
Shower
- Yes
Lounge
- Lounges available in all terminals, including British Airways and Plaza Premium lounges.
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
Amenities at airport
WifiShoppingParkingATMTaxisAccessibilityWCShowerLoungeLost and Found Officeinformation
Distance to city center
1 kmCar connection
M23, Junction 9Wifi
- Free Wi-Fi available throughout the airport for 90 minutes.
Shopping
- Shops are located in both terminals, including Harrods and World Duty Free.
Parking
- Short stay parking available at both terminals, approximately 6€ (£5) for 30 minutes.
Taxis
- Available outside the terminal.
Accessibility
- Assistance.
WC
- Available throughout the airport, including accessible facilities.
Shower
- Yes
Lounge
- Lounges available in both terminals, including No1 Lounge and Club Aspire.
Lost and Found Office
- Located in the South Terminal, inquiries can be made online or in person.
Public transit options for London Gatwick Airport
- Train: Gatwick Express, Southern, Thameslink
- Bus: National Express, Metrobus
Amenities at airport
WifiShoppingParkingATMTaxisAccessibilityWCLoungeLost and Found Officeinformation
Distance to city center
12 kmCar connection
A1020, Exit A112Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in the terminal, including WHSmith and Aelia Duty-Free.
Parking
- Short-term and long-term parking available, starting at approximately 4.2€ (£3.50) per hour.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps.
WC
- Available throughout the airport.
Lounge
- Lounge available, including the First Class Lounge.
Lost and Found Office
- Located in the terminal, contact information desk.
Public transit options for London City Airport
- DLR
- Bus 473
- Bus 474
More options for your journey from Seattle-Tacoma International Airport to London
Here are some other resources that might have the information you need
Most popular flights to and from London and Seattle-Tacoma International Airport
HomeFlightsFlights in United KingdomFlight Schedules to LondonSeattle-Tacoma International Airport to London Flights
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
