Flights from London, United Kingdom to Seattle, United States

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London, United Kingdom to Seattle Last modified: Sep 11, 2022 14:53 -04:00

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How Much is a Flight from London, United Kingdom to Seattle?

We have collected flight cost data from across the web for travel from London, United Kingdom to Seattle, and have found the average flight price for this trip to be £770.

Where To Buy Cheap Flights from London, United Kingdom to Seattle?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from London, United Kingdom to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from London, United Kingdom to Seattle?

The chart below shows up-to-date information regarding how far in advance to book your flight from London, United Kingdom to Seattle.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days £202 £156
7-14 days £584 £596
14-21 days £1,432 £1,139
21-30 days £1,832 £895
30-60 days £328 £307
60-90 days £1,239 £708
90+ days £518 £438

Cheapest Day To Fly from London, United Kingdom to Seattle

We've examined 3,250 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from London, United Kingdom to Seattle is Saturday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
£496£1,139£708£765£1,076£308£895

Compare Flight Prices from London, United Kingdom to Seattle by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for London, United Kingdom to Seattle flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July London, United Kingdom Seattle !! 26/07/2022 02/08/2022 2 £1,139
August London, United Kingdom Seattle !! 22/08/2022 06/09/2022 2 £496
September London, United Kingdom Seattle !! 10/09/2022 24/09/2022 2 £308
October London, United Kingdom Seattle !! 12/10/2022 12/10/2022 2 £708
August London, United Kingdom Seattle !! 02/08/2022 17/08/2022 3 £164
July London, United Kingdom Seattle Air Canada 01/07/2022 15/07/2022 2 £513
June London, United Kingdom Seattle Icelandair 09/06/2022 14/06/2022 2 £552
September London, United Kingdom Seattle Air Canada 25/09/2022 08/10/2022 2 £529

Cheap Last Minute Flights from London, United Kingdom to Seattle

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from London, United Kingdom to Seattle. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
14 15 16 17 18 19 20
£863
21 22 23 24 25 26 27
£863 £804
28 29 30 31 1 2 3
£804 £785
4 5 6 7 8 9 10
£785 £1,055
11 12 13 14 15 16 17
£1,055 £624
18 19 20 21 22 23 24
£624

Connecting Flights vs Direct Flights from London, United Kingdom to Seattle

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from London, United Kingdom to Seattle is £436.

The average price for direct flights from London, United Kingdom to Seattle is £516.

One Way Flights vs Round Trip Flights from London, United Kingdom to Seattle

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from London, United Kingdom to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from London, United Kingdom to Seattle is £2,026.

The average price for round trip flights from London, United Kingdom to Seattle is £436.

London, United Kingdom to Seattle Flight Questions

London, United Kingdom to Seattle Airports

These are the major commercial airports we're currently monitoring in London, United Kingdom and Seattle. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from London, United Kingdom to Seattle