₹34,641 Cheap Flights from Seattle (SEA) to London (LON)

View ₹34,641 flight on Mon, 10 Nov 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to London

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Cheap Flights from Seattle (SEA) to London (LON)

Prices were available within the past 7 days and start at ₹34,641 for one-way flights and ₹50,792 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 9 Nov - Wed, 19 Nov
SEA
Seattle
LHR
London
₹50,792 Return, found 1 day ago
₹50,792
Return
found 1 day ago
Select Delta flight, departing Sun, 9 Nov from Seattle to London, returning Wed, 19 Nov, priced at ₹50,792 found 1 day ago
Delta
Sun, 9 Nov - Tue, 18 Nov
SEA
Seattle
LHR
London
₹50,825 Return, found 1 day ago
₹50,825
Return
found 1 day ago
Select Delta flight, departing Sun, 9 Nov from Seattle to London, returning Tue, 18 Nov, priced at ₹50,825 found 1 day ago
Delta
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹53,202 Return, found 1 day ago
₹53,202
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹53,202 found 1 day ago
Delta
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹54,238 Return, found 1 day ago
₹54,238
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹54,238 found 1 day ago
KLM
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹55,488 Return, found 1 day ago
₹55,488
Return
found 1 day ago
Select KLM flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹55,488 found 1 day ago
Delta
Sat, 8 Nov - Tue, 18 Nov
SEA
Seattle
LHR
London
₹55,868 Return, found 1 day ago
₹55,868
Return
found 1 day ago
Select Delta flight, departing Sat, 8 Nov from Seattle to London, returning Tue, 18 Nov, priced at ₹55,868 found 1 day ago
United
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹55,930 Return, found 1 day ago
₹55,930
Return
found 1 day ago
Select United flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹55,930 found 1 day ago
Delta
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹56,361 Return, found 1 day ago
₹56,361
Return
found 1 day ago
Select Delta flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹56,361 found 1 day ago
Air Canada
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹56,497 Return, found 1 day ago
₹56,497
Return
found 1 day ago
Select Air Canada flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹56,497 found 1 day ago
Air France
Mon, 10 Nov - Mon, 17 Nov
SEA
Seattle
LHR
London
₹56,524 Return, found 1 day ago
₹56,524
Return
found 1 day ago
Select Air France flight, departing Mon, 10 Nov from Seattle to London, returning Mon, 17 Nov, priced at ₹56,524 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to London (LON)

October is typically the cheapest month to fly

From ₹42,478 - ₹95,815 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to London (LON-All Airports)?
Round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports) start from ₹50,792. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to London (LON-All Airports)?
Most flights can be cancelled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to London (LON-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to London (LON-All Airports) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)?
Make the 14 hours and 48 minutes between SEA and London (LON-All Airports) as comfortable as you can. Bring the essentials, like a water bottle, toothbrush and toiletries, and simply enjoy the flight!
How far is the flight from SEA to London (LON-All Airports)?
With around 7,700 kilometres separating SEA and London (LON-All Airports), your flight will be a long one. Pack wisely and make your time on board comfortable. Simple things like an eye mask and a good travel pillow can make a massive difference.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)?
You have lots of options when flying from SEA to London (LON-All Airports). Lock in your fare with one of these popular airlines:

  • Virgin Atlantic - (VS) with 30 monthly flights
  • American Airlines - (AA) with 30 monthly flights
  • British Airways - (BA) with 30 monthly flights
  • Delta Air Lines - (DL) with 17 monthly flights

Are Sea-Tac Airport to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SEA to London (LON-All Airports) can be hit-or-miss. It is possible to score a bargain, but you could also miss out entirely! If you'd prefer to play it safe and start planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines publish their prices that far in advance. Our suggestion? Check back often as updates are made regularly.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Heathrow
Return price
₹50,792
Distance
7657 km

Book with confidence

Seattle to England Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to England will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring England.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to LON flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LON with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to England Flights

Explore a world of travel with Expedia

London Airports

London

Seattle to Heathrow
₹50,792.00
*Available to Expedia members.