Flights from Seattle to London, United Kingdom

Did you mean flights from London, United Kingdom to Seattle?

Seattle to London, United Kingdom Last modified: May 23, 2023 1:38 -04:00

We've scanned 0 round trip itineraries and found the cheapest flights to London, United Kingdom. Finnair & Multiple Airlines frequently offer the best deals to London, United Kingdom flights, or select your preferred carrier below to see the cheapest days to fly.

Finnair
SEALON
Tue 9/19
1 stop
LONSEA
Tue 10/3
1 stop
$657
Multiple Airlines
SEALON
Tue 9/19
1 stop
LONSEA
Wed 9/27
1 stop
$662
American
SEALON
Tue 9/19
1 stop
LONSEA
Wed 9/27
1 stop
$662
Icelandair
SEALON
Sun 9/17
1 stop
LONSEA
Tue 10/3
1 stop
$682
British Airways
SEALON
Tue 9/19
1 stop
LONSEA
Fri 9/29
1 stop
$690
Alaska
SEALON
Wed 9/20
nonstop
LONSEA
Wed 9/27
nonstop
$691

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

We have collected flight cost data from across the web for travel from Seattle to London, United Kingdom, and have found the average flight price for this trip to be $810.

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

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 Seattle to London, United Kingdom 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 Seattle to London, United Kingdom?

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

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $1,170 $704
7-14 days $1,165 $1,042
14-21 days $1,170 $1,042
21-30 days $1,170 $1,136
30-60 days $989 $950
60-90 days $794 $794
90+ days $691 $563

Cheapest Day To Fly from Seattle to London, United Kingdom

We've examined 0 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Seattle to London, United Kingdom is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$794$704$909$909$916$729$704

Compare Flight Prices from Seattle to London, United Kingdom 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 Seattle to London, United Kingdom flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Seattle London, United Kingdom Icelandair 5/22/23 5/29/23 1 $704
June Seattle London, United Kingdom Icelandair 6/6/23 6/15/23 1 $1,042
July Seattle London, United Kingdom Icelandair 7/24/23 8/10/23 1 $927
August Seattle London, United Kingdom Multiple Airlines 8/8/23 8/20/23 0 $794
September Seattle London, United Kingdom Icelandair 9/25/23 10/10/23 1 $569
October Seattle London, United Kingdom Icelandair 10/16/23 10/25/23 1 $563
November Seattle London, United Kingdom Icelandair 11/27/23 12/7/23 1 $583
December Seattle London, United Kingdom Icelandair 12/1/23 12/5/23 1 $601

Cheap Last Minute Flights from Seattle to London, United Kingdom

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

Next 30 Days

SunMonTueWedThuFriSat
21 22 23 24 25 26 27
$909
28 29 30 31 1 2 3
$909 $1,204
4 5 6 7 8 9 10
$1,204 $1,214
11 12 13 14 15 16 17
$1,214 $1,374
18 19 20 21 22 23 24
$1,374 $1,324
25 26 27 28 29 30 1
$1,324

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

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 Seattle to London, United Kingdom is $722.

The average price for direct flights from Seattle to London, United Kingdom is $835.

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

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 Seattle to London, United Kingdom. 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 Seattle to London, United Kingdom is $446.

The average price for round trip flights from Seattle to London, United Kingdom is $721.

Seattle to London, United Kingdom Flight Questions

Seattle to London, United Kingdom Airports

These are the major commercial airports we're currently monitoring in Seattle and London, United Kingdom. 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 Seattle to London, United Kingdom