Alaska Airlines Seattle to London Flights

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Cheapflightsplus.com will find cheap Alaska Airlines flights from Seattle to London. Compare airline ticket prices and book air tickets starting from $265 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Alaska Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — London by Alaska Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in december: one-way - $265, two-way – $454.

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Cheap Flights from Seattle to London by Alaska Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by Alaska Airlines, their prices start from $265. The fastest nonstop flight takes 9h 25m. The fastest connecting flight — 12h 35m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $539 Find flight	6:50 pm Seattle Seattle-Tacoma Intl	12:15 pm+1 день London Heathrow	9h 25m	Alaska Airlines	AS5270
from $265 Find flight	6:31 pm Seattle Seattle-Tacoma Intl	10:35 am+2 дня London Gatwick	32h 4m layover 19h 45m - Las Vegas	Alaska Airlines	AS339 Z0778
from $334 Find flight	6:15 am Seattle Seattle-Tacoma Intl	6:00 am+1 день London Gatwick	15h 45m layover 3h 42m - New York	Alaska Airlines	AS280 Z0702
from $342 Find flight	8:31 am Seattle Seattle-Tacoma Intl	10:35 am+1 день London Gatwick	18h 4m layover 5h 39m - Las Vegas	Alaska Airlines	AS612 Z0778
from $400 Find flight	8:26 am Seattle Seattle-Tacoma Intl	7:55 am+1 день London Heathrow	15h 29m layover 3h 15m - Boston	Alaska Airlines	AS306 VS158
from $299 Find flight	5:55 pm Seattle Seattle-Tacoma Intl	12:50 pm+3 дня London Heathrow	58h 55m layover 23h 22m - Phoenix 20h 54m - Calgary	Alaska Airlines	AS632 WS1539 WS18
from $299 Find flight	8:10 pm Seattle Seattle-Tacoma Intl	12:50 pm+2 дня London Heathrow	32h 40m layover 12h 6m - Phoenix 5h 48m - Calgary	Alaska Airlines	AS644 WS1403 WS18
from $305 Find flight	7:58 pm Seattle Seattle-Tacoma Intl	12:50 pm+2 дня London Heathrow	32h 52m layover 8h 17m - Los Angeles 9h 57m - Calgary	Alaska Airlines	AS1223 WS1513 WS18
from $329 Find flight	10:51 pm Seattle Seattle-Tacoma Intl	10:35 am+3 дня London Gatwick	51h 44m layover 14h 44m - Portland 24h 5m - Las Vegas	Alaska Airlines	AS957 AS778 Z0778
from $330 Find flight	9:16 pm Seattle Seattle-Tacoma Intl	10:35 am+2 дня London Gatwick	29h 19m layover 8h 21m - San Diego 7h 0m - Las Vegas	Alaska Airlines	AS1164 AS3342 Z0778
from $333 Find flight	8:31 am Seattle Seattle-Tacoma Intl	12:50 pm+1 день London Heathrow	20h 19m layover 2h 14m - Las Vegas 3h 50m - Calgary	Alaska Airlines	AS612 WS1401 WS18
from $334 Find flight	10:51 pm Seattle Seattle-Tacoma Intl	12:50 pm+2 дня London Heathrow	29h 59m layover 16h 50m - Vancouver 1h 54m - Calgary	Alaska Airlines	AS3306 WS120 WS18
from $334 Find flight	11:23 am Seattle Seattle-Tacoma Intl	12:50 pm+1 день London Heathrow	17h 27m layover 5h 16m - Vancouver 0h 54m - Calgary	Alaska Airlines	AS3334 WS122 WS18
from $335 Find flight	10:51 pm Seattle Seattle-Tacoma Intl	12:50 pm+2 дня London Heathrow	29h 59m layover 17h 50m - Vancouver 0h 54m - Calgary	Alaska Airlines	AS3306 WS122 WS18
from $342 Find flight	7:38 pm Seattle Seattle-Tacoma Intl	10:55 am+2 дня London Gatwick	31h 17m layover 16h 25m - Denver 1h 35m - Reykjavik	Alaska Airlines	AS321 FI670 FI470
from $344 Find flight	8:04 am Seattle Seattle-Tacoma Intl	2:25 pm+1 день London Heathrow	22h 21m layover 6h 31m - Newark 2h 10m - Paris	Alaska Airlines	AS34 BF721 VY8960

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/21/2024

Alaska Airlines Flight Schedule Seattle to London

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
1:45 pm — 7:10 am +1 day	1:45 pm — 7:10 am AS5272 Alaska Airlines Seattle — London	9h 25m	Find flight from$609
6:50 pm — 12:15 pm +1 day	6:50 pm — 12:15 pm AS5270 Alaska Airlines Seattle — London	9h 25m	Find flight from$539
1:32 pm — 12:10 pm +1 day	1:32 pm — 2:22 pm AS2354 Alaska Airlines Seattle — Portland 4h 8m stop 6:30 pm — 12:10 pm AS5276 Alaska Airlines Portland — London	14h 38m including layover	Find flight from$550
3:36 pm — 12:50 pm +1 day	3:36 pm — 6:10 pm AS2226 Alaska Airlines Seattle — Calgary 3h 1m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	13h 14m including layover	Find flight from$346
3:45 pm — 7:55 am +2 days	3:40 pm — 11:59 pm AS460 Alaska Airlines Seattle — Boston 20h 11m stop 8:10 pm — 7:55 am VS158 Virgin Atlantic Airways Boston — London	32h 10m including layover	Find flight from$344
6:15 am — 6:00 am +1 day	6:05 am — 2:29 pm AS280 Alaska Airlines Seattle — New York 3h 42m stop 6:15 pm — 6:00 am Z0702 Z0 New York — London	15h 45m including layover	Find flight from$334
6:31 pm — 10:35 am +2 days	6:28 pm — 9:00 pm AS339 Alaska Airlines Seattle — Las Vegas 19h 45m stop 4:45 pm — 10:35 am Z0778 Z0 Las Vegas — London	32h 4m including layover	Find flight from$265
10:51 pm — 10:35 am +3 days	10:51 pm — 11:43 pm AS957 Alaska Airlines Seattle — Portland 14h 44m stop 2:27 pm — 4:40 pm AS778 Alaska Airlines Portland — Las Vegas 24h 5m stop 4:45 pm — 10:35 am Z0778 Z0 Las Vegas — London	51h 44m including layover	Find flight from$329
10:51 pm — 12:50 pm +2 days	10:51 pm — 11:55 pm AS3306 Alaska Airlines Seattle — Vancouver 16h 50m stop 4:45 pm — 7:16 pm WS120 WestJet Vancouver — Calgary 1h 54m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	29h 59m including layover	Find flight from$334
11:23 am — 12:50 pm +1 day	11:23 am — 12:29 pm AS3334 Alaska Airlines Seattle — Vancouver 5h 16m stop 5:45 pm — 8:16 pm WS122 WestJet Vancouver — Calgary 54m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	17h 27m including layover	Find flight from$334
11:23 am — 12:50 pm +1 day	11:23 am — 12:29 pm AS3334 Alaska Airlines Seattle — Vancouver 3h 11m stop 3:40 pm — 6:11 pm WS118 WestJet Vancouver — Calgary 2h 59m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	17h 27m including layover	Find flight from$343
2:40 pm — 11:00 am +2 days	2:40 pm — 10:59 pm AS16 Alaska Airlines Seattle — New York 17h 46m stop 4:45 pm — 7:05 am AZ609 Alitalia New York — Rome 2h 25m stop 9:30 am — 11:00 am AZ212 Alitalia Rome — London	36h 20m including layover	Find flight from$471
5:55 pm — 12:50 pm +3 days	5:55 pm — 9:43 pm AS632 Alaska Airlines Seattle — Phoenix 23h 22m stop 9:05 pm — 0:16 am WS1539 WestJet Phoenix — Calgary 20h 54m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	58h 55m including layover	Find flight from$299
7:38 pm — 10:55 am +2 days	7:38 pm — 11:15 pm AS321 Alaska Airlines Seattle — Denver 16h 25m stop 3:40 pm — 6:05 am FI670 Icelandair Denver — Reykjavik 1h 35m stop 7:40 am — 10:55 am FI470 Icelandair Reykjavik — London	31h 17m including layover	Find flight from$342
7:58 pm — 12:50 pm +2 days	7:58 pm — 10:43 pm AS1223 Alaska Airlines Seattle — Los Angeles 8h 17m stop 7:00 am — 11:13 am WS1513 WestJet Los Angeles — Calgary 9h 57m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	32h 52m including layover	Find flight from$305
8:10 pm — 12:50 pm +2 days	8:10 pm — 11:59 pm AS644 Alaska Airlines Seattle — Phoenix 12h 6m stop 12:05 pm — 3:22 pm WS1403 WestJet Phoenix — Calgary 5h 48m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	32h 40m including layover	Find flight from$299
8:31 am — 12:50 pm +1 day	8:31 am — 11:06 am AS612 Alaska Airlines Seattle — Las Vegas 2h 14m stop 1:20 pm — 5:20 pm WS1401 WestJet Las Vegas — Calgary 3h 50m stop 9:10 pm — 12:50 pm WS18 WestJet Calgary — London	20h 19m including layover	Find flight from$333
9:01 am — 9:40 pm +1 day	9:01 am — 5:29 pm AS398 Alaska Airlines Seattle — Newark 5h 31m stop 11:00 pm — 12:00 pm BF721 Bluebird Cargo Newark — Paris 9h 25m stop 9:25 pm — 9:40 pm U22442 EasyJet Paris — London	28h 39m including layover	Find flight from$345
9:16 pm — 10:35 am +2 days	9:16 pm — 11:59 pm AS1164 Alaska Airlines Seattle — San Diego 8h 21m stop 8:20 am — 9:45 am AS3342 Alaska Airlines San Diego — Las Vegas 7h stop 4:45 pm — 10:35 am Z0778 Z0 Las Vegas — London	29h 19m including layover	Find flight from$330

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 12/21/2024

Flight Information

There are 2 flights by Alaska Airlines from Seattle to London every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal.

Departures start from 10:02 am to 9:59 pm. Nonstop flight is 9h 25m. The time difference between Seattle and London is 8h.

The fastest flight 9h 25m
Average flight time 9h 25m
The earliest flight 10:02 am
The latest flight 9:59 pm
Distance 4794 ml

The cheapest months for traveling to London are january (from 265 $), february (from 299 $), december (from 342 $).

The most expensive and popular months are november (from 380 $), december (from 342 $), february (from 299 $).

The cheapest flight by Alaska Airlines that our users were able to find is $265. This airfare is economy class on one-way AS339 flight for January 22, 2025 leaving Seattle-Tacoma Intl in Seattle at 6:31 pm, it includes all taxes and additional fees.

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Alaska Airlines Airplanes on the Route

List of the most popular Alaska Airlines airplanes flying from Seattle to London:

Other Popular Airlines on the Route

Besides Alaska Airlines there are other 20 airline carriers between Seattle and London. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to London.

Nonstop flights

There are 8 direct flights every day from Seattle. Airlines and fares are below:

AY - Finnair

from $562

Find
IB - Iberia

from $438

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BA - British Airways

from $409

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

DE - Condor Airlines

from $518

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AC - Air Canada

from $304

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EI - Aer Lingus

from $558

Find
UA - United Airlines

from $455

Find
LH - Lufthansa

from $424

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FI - Icelandair

from $212

Find
OS - Austrian Airlines

from $596

Find
OZ - Asiana Airlines

from $6210

Find
LX - SWISS International Air Lines

from $447

Find
F9 - Frontier Airlines

from $281

Find
TK - Turkish Airlines

from $697

Find

See more connecting flights

How to book an air ticket yourself?

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