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Journey information
Overview: Seattle-Tacoma International Airport to London Heathrow Airport flight
USA
United Kingdom
Take a flight from Seattle-Tacoma International Airport to London Heathrow Airport and enjoy the approximately 4786 miles (7703 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
There are 5 flights per day. June 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 26m |
Flights per day 88 |
Direct flights 5 |
Cheapest Month Jun |
Cheapest Day Wed |
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
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. 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
19 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
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.
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 June.
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
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
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
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