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Amazing SEA to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $462 round trip and $553 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for SEA to LHR

Carrier Flight Depart SEA Arrive LHR Thu
BA 48 07:20 pm 12:40 pm - Check fare - Check fare - - Check fare 0 stop(s)

FAQs about flights from Seattle - Tacoma Intl. Airport (SEA) to Heathrow Airport (LHR)

Are there direct flights from Sea-Tac Airport to London Heathrow?

Your next great adventure is on the opposite side of a single flight. You can fly direct from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to London Airport (LHR-Heathrow) with multiple airlines, including British Airways and Virgin Atlantic.

How long is the flight from Sea-Tac Airport to London Heathrow?

The flight time between Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and London Airport (LHR-Heathrow) is typically about 11 hours and 17 minutes — long enough to disrupt anyone's body clock. Think about the time zone differences and make sure you get some sleep on this long-haul flight to avoid jet lag.

What is the flight distance from Sea-Tac Airport to London Heathrow?

You will have traveled 5,592 miles by the time you've left the tarmac at Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and made a smooth touchdown at London Airport (LHR-Heathrow). Be sure to bring plenty to keep you entertained — it'll be a long one.

What airlines fly from Sea-Tac Airport to London Heathrow?

There are a number of airlines that advertise direct flights between Seattle and London. British Airways (BA) is one of the most popular. This carrier offers 57 flights each month. If that's not enough for you, have a look at the fares on offer from Virgin Atlantic (VS). This airline has 74 flights every month. Between the two, you're sure to find the flight to suit your needs.

Flying Tips & Tricks How do I find my flight number?
  • Review the itinerary the airline sent to your inbox. Your flight number will be a mix of numbers and letters that ought to be easy to locate.
How early can you check bags for a flight?
  • If you're eager to arrive at the airport with ample time to spare, you'll be thrilled to learn that you can check your luggage in up to three hours before an international flight and two hours before a domestic one. Like to know what the check-in closing times are? For international flights, it's one hour prior to departure. For domestic flights, it's generally 45 minutes.

Seattle - Tacoma Intl. to Heathrow Flight FAQ

Traveling FromSeattle - Tacoma Intl.
Traveling ToHeathrow
Shortest Flight Time25 hours 20 mins
Earliest Departure Time7:20PM BST
Latest Departure Time7:20PM BST
Lowest Flight Price$462

Seattle to London Carriers and Route Information

Flight path for flights from Seattle-Tacoma International Airport to London Heathrow Airport

5,889.00 miles

Airlines & Aircraft Used on SEA to LHR Flight Routes

Airline Carrier
Jet Airways (India)
Aerospatiale/Alenia ATR 42/ ATR 72
Jet Airways (India)
Boeing 777-300 pax
United Airlines
Antonov AN-24
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.