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Alaska

$607+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
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 February 1, 2026.

This Trip.com deal was found by Cheapflights users on 2/1. 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 3/99:00 am
LHR
-
ANC
2 stops23h 55m
Multiple Airlines
Mon 3/1612:53 am
ANC
-
LHR
1 stop28h 37m
Multiple Airlines
Deal found 2/1$788
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/39:00 am
LHR
-
ANC
2 stops24h 55m
Multiple Airlines
Tue 3/106:55 am
ANC
-
LHR
2 stops22h 35m
Multiple Airlines
Deal found 2/1$813
This Trip.com deal was found by Cheapflights users on 1/30. 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.
Tue 3/244:55 pm
LHR
-
ANC
1 stop39h 32m
Multiple Airlines
Tue 4/79:11 am
ANC
-
LHR
2 stops20h 54m
Multiple Airlines
Deal found 1/30$835
This Scandinavian Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 5/267:05 am
LHR
-
ANC
3 stops27h 30m
Scandinavian Airlines
Thu 6/41:30 am
ANC
-
LHR
2 stops29h 30m
Scandinavian Airlines
Deal found 1/31$877
This Trip.com deal was found by Cheapflights users on 1/31. 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.
Sun 9/69:55 am
LHR
-
ANC
1 stop23h 16m
Multiple Airlines
Fri 9/1112:34 am
ANC
-
LHR
2 stops26h 41m
Multiple Airlines
Deal found 1/31$884
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Fri 5/86:30 am
LHR
-
ANC
2 stops19h 57m
Multiple Airlines
Fri 5/151:55 am
ANC
-
LHR
2 stops24h 55m
Multiple Airlines
Deal found 2/1$889
This TravelUp deal was found by Cheapflights users on 2/1. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:55 am
LGW
-
ANC
2 stops20h 58m
Multiple Airlines
Tue 3/176:00 am
ANC
-
LGW
2 stops20h 55m
Multiple Airlines
Deal found 2/1$910
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/311:55 am
LGW
-
ANC
2 stops22h 14m
Multiple Airlines
Tue 3/106:09 pm
ANC
-
LGW
2 stops32h 46m
Multiple Airlines
Deal found 2/1$937
This Expedia deal was found by Cheapflights users on 1/29. 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.
Tue 5/51:00 pm
LGW
-
ANC
2 stops18h 43m
Icelandair
Tue 5/121:22 pm
ANC
-
LGW
2 stops16h 18m
Icelandair
Deal found 1/29$938
This Gurufare deal was found by Cheapflights users on 1/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:55 am
LGW
-
ANC
2 stops21h 08m
Multiple Airlines
Tue 3/176:55 am
ANC
-
LGW
2 stops20h 00m
Multiple Airlines
Deal found 1/30$950
This Expedia deal was found by Cheapflights users on 2/1. 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.
Mon 9/143:40 pm
LGW
-
ANC
2 stops19h 00m
Icelandair
Fri 9/1812:40 pm
ANC
-
LGW
2 stops17h 00m
Icelandair
Deal found 2/1$958
This Trip.com deal was found by Cheapflights users on 1/31. 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.
Tue 5/263:40 pm
LGW
-
ANC
2 stops26h 59m
Multiple Airlines
Fri 6/59:00 am
ANC
-
LGW
2 stops20h 40m
Multiple Airlines
Deal found 1/31$964

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 February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$788
(Trip.com)

One-way from

$607
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,379
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. 12% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 1, 2026.
Use the filters below to find and compare flights from London to Alaska that are best for you.

Fly from

London

Fly to

Alaska

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 3/9

9:00 am-12:55 am

2 stops23h 55m

Anchorage

Mon 3/16

12:53 am-1:30 pm

1 stop28h 37m

$788

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

9:00 am-12:55 am

2 stops24h 55m

Anchorage

Tue 3/10

6:55 am-1:30 pm

2 stops22h 35m

$813

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 5/26

7:05 am-1:35 am

3 stops27h 30m

Anchorage

Thu 6/4

1:30 am-4:00 pm

2 stops29h 30m

$877

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 5/8

6:30 am-5:27 pm

2 stops19h 57m

Anchorage

Fri 5/15

1:55 am-11:50 am

2 stops24h 55m

$889

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 3/9

11:55 am-12:53 am

2 stops20h 58m

Anchorage

Tue 3/17

6:00 am-10:55 am

2 stops20h 55m

$910

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 3/3

11:55 am-1:09 am

2 stops22h 14m

Anchorage

Tue 3/10

6:09 pm-10:55 am

2 stops32h 46m

$937

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 5/5

1:00 pm-10:43 pm

2 stops18h 43m

Anchorage

Tue 5/12

1:22 pm-2:40 pm

2 stops16h 18m

$938

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 5/5

1:05 pm-10:43 pm

2 stops18h 38m

Anchorage

Tue 5/12

1:22 pm-8:20 pm

2 stops21h 58m

$942

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

12:15 pm-12:03 am

2 stops20h 48m

Anchorage

Tue 3/17

8:55 am-10:50 am

2 stops17h 55m

$946

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 5/26

3:40 pm-9:39 am

2 stops26h 59m

Anchorage

Fri 6/5

9:00 am-2:40 pm

2 stops20h 40m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from London to Alaska (average of $878). Flying from London to Alaska in July is currently the most expensive (average of $1,322). 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.

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 18h 17m. Airlines will cover a distance of 4213 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 Gatwick - Anchorage or London City - 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, September is the cheapest month in which you can book a flight from London to Alaska (average of $878). Flying from London to Alaska in July is currently the most expensive (average of $1,322). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
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