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Alaska

$517+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from London to Alaska

Keep the following information in mind while searching for London to Alaska flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$881
(Justfly.com)

One-way from

$517
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,107
Provider with most accurate pricing for London (LON)-Anchorage flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Anchorage flights.
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From London (LON) to Alaska
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One-way flight from London (LON) to Alaska
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Highest demand for flights based on searches. 10% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Justfly.com deal was found by Cheapflights users on 10/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:35 pmLHR - ANC
2 stops38h 17mMultiple Airlines
Tue 12/25:05 amANC - LHR
2 stops29h 25mMultiple Airlines
Deal found 10/27$876
This Justfly.com deal was found by Cheapflights users on 10/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:55 amLGW - ANC
2 stops20h 49mMultiple Airlines
Tue 12/26:05 amANC - LGW
2 stops19h 50mMultiple Airlines
Deal found 10/27$899
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:35 pmLHR - ANC
2 stops37h 16mMultiple Airlines
Tue 1/68:00 amANC - LHR
2 stops26h 30mMultiple Airlines
Deal found 10/30$900
This Travelocity deal was found by Cheapflights users on 10/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:55 amLGW - ANC
2 stops23h 53mMultiple Airlines
Wed 12/36:05 amANC - LGW
2 stops19h 50mMultiple Airlines
Deal found 10/29$910
This Gurufare deal was found by Cheapflights users on 10/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:15 pmLHR - ANC
2 stops23h 33mMultiple Airlines
Wed 12/36:05 amANC - LHR
2 stops19h 45mMultiple Airlines
Deal found 10/29$922
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:55 amLGW - ANC
2 stops18h 49mMultiple Airlines
Tue 12/165:00 amANC - LGW
2 stops20h 55mMultiple Airlines
Deal found 10/30$937
This Justfly.com deal was found by Cheapflights users on 10/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:55 amLGW - ANC
2 stops23h 08mMultiple Airlines
Thu 12/47:05 amANC - LGW
2 stops18h 50mMultiple Airlines
Deal found 10/28$946
This Justfly.com deal was found by Cheapflights users on 10/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:15 pmLHR - ANC
2 stops22h 48mMultiple Airlines
Thu 12/47:05 amANC - LHR
2 stops18h 45mMultiple Airlines
Deal found 10/28$950
This Icelandair deal was found by Cheapflights users on 10/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:55 amLGW - ANC
2 stops19h 53mMultiple Airlines
Wed 12/36:05 amANC - LGW
2 stops19h 50mMultiple Airlines
Deal found 10/29$959
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:15 pmLHR - ANC
2 stops21h 36mMultiple Airlines
Tue 12/165:00 amANC - LHR
2 stops20h 50mMultiple Airlines
Deal found 10/30$964
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:55 amLGW - ANC
2 stops21h 35mMultiple Airlines
Tue 11/256:00 amANC - LGW
2 stops19h 55mMultiple Airlines
Deal found 10/30$988
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:15 pmLHR - ANC
2 stops21h 15mMultiple Airlines
Tue 11/256:00 amANC - LHR
2 stops19h 50mMultiple Airlines
Deal found 10/30$992

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 October 30, 2025.
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

Wed 2/11

12:15 pm-11:52 pm

2 stops20h 37m

Anchorage

Tue 2/24

12:45 am-10:50 am

2 stops25h 05m

$881

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 2/11

11:55 am-11:52 pm

2 stops20h 57m

Anchorage

Tue 2/24

12:45 am-10:55 am

2 stops25h 10m

$896

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 11/25

11:55 am-11:44 pm

2 stops20h 49m

Anchorage

Tue 12/2

6:05 am-10:55 am

2 stops19h 50m

$899

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 12/14

8:35 pm-12:51 am

2 stops37h 16m

Anchorage

Tue 1/6

8:00 am-7:30 pm

2 stops26h 30m

$900

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 11/26

11:55 am-2:48 am

2 stops23h 53m

Anchorage

Wed 12/3

6:05 am-10:55 am

2 stops19h 50m

$910

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 11/26

12:15 pm-2:48 am

2 stops23h 33m

Anchorage

Wed 12/3

6:05 am-10:50 am

2 stops19h 45m

$922

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 12/9

11:55 am-9:44 pm

2 stops18h 49m

Anchorage

Tue 12/16

5:00 am-10:55 am

2 stops20h 55m

$937

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 11/27

11:55 am-2:03 am

2 stops23h 08m

Anchorage

Thu 12/4

7:05 am-10:55 am

2 stops18h 50m

$946

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 11/27

12:15 pm-2:03 am

2 stops22h 48m

Anchorage

Thu 12/4

7:05 am-10:50 am

2 stops18h 45m

$950

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 12/9

12:15 pm-12:51 am

2 stops21h 36m

Anchorage

Tue 12/16

5:00 am-10:50 am

2 stops20h 50m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 59 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, February is the cheapest month in which you can book a flight from London to Alaska (average of $851). 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.

What is the cheapest time of day to fly from LON to AK?

Find hourly flight availability from London to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from London to Alaska at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

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 19h 53m. 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 Gatwick - Anchorage, London Heathrow - 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, February is the cheapest month in which you can book a flight from London to Alaska (average of $851). 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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Top airline flying from London to Alaska

Discover the top airline that operate flights from London to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,401Average$1,643FlexibilityNo cancel feeOn-timeN/A

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