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Alaska

$670+ Cheap flights from London (LON) to Alaska

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap flight deals from London to Alaska

Cheapest flights from London to Alaska
Explore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 5/304:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/16$782
This Gotogate deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 6/64:50 pm
ANC
-
LGW
1 stop12h 50m
Condor
Deal found 4/12$914
This lol.travel deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:40 am
LHR
-
ANC
2 stops24h 35m
Scandinavian Airlines
Thu 6/41:55 am
ANC
-
LHR
2 stops26h 40m
Scandinavian Airlines
Deal found 4/14$932
This Flighttix deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 5/164:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/17$932
This Cheapflightsfares deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Thu 6/45:05 pm
ANC
-
LGW
1 stop12h 35m
Condor
Deal found 4/13$945
This Scandinavian Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:40 am
LHR
-
ANC
2 stops24h 52m
Scandinavian Airlines
Sat 6/136:00 am
ANC
-
LHR
2 stops26h 40m
Scandinavian Airlines
Deal found 4/12$966
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:40 am
LHR
-
ANC
2 stops26h 45m
Scandinavian Airlines
Fri 6/51:55 am
ANC
-
LHR
2 stops34h 45m
Scandinavian Airlines
Deal found 4/14$974
This Cheapflightsfares deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 6/64:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/14$990
This Trip.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 pm
LGW
-
ANC
2 stops28h 31m
Multiple Airlines
Tue 5/126:00 am
ANC
-
LGW
2 stops23h 40m
Multiple Airlines
Deal found 4/15$1,004
This lastminute.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:15 pm
LHR
-
ANC
2 stops18h 24m
Icelandair
Thu 11/127:15 am
ANC
-
LHR
2 stops18h 35m
Icelandair
Deal found 4/12$1,018
This Expedia deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:55 am
LGW
-
ANC
2 stops18h 44m
Icelandair
Thu 11/127:15 am
ANC
-
LGW
2 stops18h 40m
Icelandair
Deal found 4/12$1,020
This Condor deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:20 am
LGW
-
ANC
1 stop13h 30m
Multiple Airlines
Sat 5/305:00 am
ANC
-
LGW
2 stops28h 45m
Multiple Airlines
Deal found 4/16$1,074

Find flight deals from London to Alaska

Keep the following information in mind while searching for London to Alaska flight deals. Data was last updated April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$782
(Kiwi.com)

One-way from

$670
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,141
Provider with most accurate pricing for London (LON)-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Anchorage flights.
Search Deals
From London (LON) to Alaska
Search Deals
One-way flight from London (LON) to Alaska
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($369 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Alaska that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from London to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 5/16

10:20 am-2:50 pm

1 stop13h 30m

Anchorage

Sat 5/16

4:50 pm-6:45 pm

1 stop16h 55m

$932

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 5/30

6:40 am-10:30 pm

2 stops24h 50m

Anchorage

Sat 6/6

6:00 am-6:50 pm

3 stops27h 50m

$977

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 5/23

10:20 am-2:50 pm

1 stop13h 30m

Anchorage

Sat 5/30

5:00 am-6:45 pm

2 stops28h 45m

$1,074

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 5/28

10:20 am-2:50 pm

1 stop13h 30m

Anchorage

Thu 6/4

11:12 am-6:50 pm

2 stops22h 38m

$1,135

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 6/19

6:40 am-8:07 pm

2 stops22h 27m

Anchorage

Tue 6/30

8:15 am-6:30 pm

2 stops25h 15m

$1,154

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 9/17

9:25 pm-1:42 am

2 stops37h 17m

Anchorage

Mon 9/21

9:05 am-8:20 pm

2 stops26h 15m

$1,190

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 9/10

1:00 pm-10:45 pm

2 stops18h 45m

Anchorage

Mon 9/14

12:15 pm-2:40 pm

2 stops17h 25m

$1,224

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Tue 6/23

1:00 pm-2:15 am

2 stops22h 15m

Fairbanks

Thu 7/23

5:31 am-2:40 pm

2 stops24h 09m

$1,261

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Thu 8/20

10:20 am-8:53 pm

2 stops19h 33m

Fairbanks

Sat 9/5

8:00 am-6:45 pm

2 stops25h 45m

$1,290

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Thu 8/20

10:20 am-8:53 pm

2 stops19h 33m

Fairbanks

Sun 9/6

8:00 am-6:50 pm

2 stops25h 50m

$1,290

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Alaska

What is the cheapest month to book a flight from London to Alaska?

Currently, March is the cheapest month in which you can book a flight from London to Alaska (average of $480). Flying from London to Alaska in August is currently the most expensive (average of $974). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London to Alaska?

Related info for your journey

Find useful and relevant information for your journey from London to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Alaska?

    Departing from London to Alaska will take you 13h 30m. Airlines will cover a distance of 4495 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from London to Alaska?

    Most travelers choose London Heathrow - Anchorage, London City - Anchorage or London Gatwick - Anchorage when deciding on the best route from London to Alaska.

  • Can I find deals for flights from London to Alaska that include hotel bookings?

    Yes. In addition to deals on London to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Alaska.

  • Can I find deals for business class flights from London to Alaska?

    Yes. Cheapflights offers flight deals from London to Alaska by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Alaska?

    Currently, March is the cheapest month in which you can book a flight from London to Alaska (average of $480). Flying from London to Alaska in August is currently the most expensive (average of $974). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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