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Alaska

$536+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$994
(Trip.com)

One-way from

$536
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$1,598
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. 4% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 9/291:35 pmLHR - ANC
1 stop19h 59mMultiple Airlines
Sat 10/44:00 pmANC - LHR
2 stops33h 00mMultiple Airlines
Deal found 6/10$994
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:40 pmLGW - ANC
2 stops19h 03mIcelandair
Sat 10/41:10 pmANC - LGW
2 stops16h 30mIcelandair
Deal found 6/10$1,009
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/257:05 amLHR - ANC
3 stops22h 06mScandinavian Airlines
Mon 9/16:00 amANC - LHR
2 stops27h 30mScandinavian Airlines
Deal found 6/11$1,013
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:25 pmLHR - ANC
2 stops28h 16mIcelandair
Sat 9/271:25 pmANC - LHR
2 stops37h 30mIcelandair
Deal found 6/10$1,021
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:10 pmLCY - ANC
1 stop28h 10mMultiple Airlines
Tue 9/94:20 pmANC - LCY
1 stop17h 15mMultiple Airlines
Deal found 6/12$1,043
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:30 pmLGW - ANC
2 stops28h 40mMultiple Airlines
Thu 7/105:15 pmANC - LGW
2 stops20h 40mMultiple Airlines
Deal found 6/11$1,099
This Icelandair deal was found by Cheapflights users on 6/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/271:00 pmLGW - FAI
2 stops18h 36mMultiple Airlines
Sun 8/310:05 amFAI - LGW
2 stops19h 35mMultiple Airlines
Deal found 6/12$1,318
This Trip.com deal was found by Cheapflights users on 6/11. 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 6/271:35 pmLHR - FAI
2 stops22h 01mMultiple Airlines
Wed 7/912:14 amFAI - LHR
2 stops29h 21mMultiple Airlines
Deal found 6/11$1,349
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:30 amLHR - ANC
2 stops18h 17mUnited Airlines
Tue 9/98:16 pmANC - LHR
1 stop15h 24mUnited Airlines
Deal found 6/12$1,448
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:10 pmLHR - ANC
1 stop34h 37mAir Canada
Wed 9/104:45 pmANC - LHR
1 stop35h 35mAir Canada
Deal found 6/10$1,478
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:55 amLHR - ANC
2 stops19h 16mDelta
Tue 9/912:55 amANC - LHR
2 stops20h 30mDelta
Deal found 6/11$1,509
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:05 amLHR - ANC
1 stop18h 44mAmerican Airlines
Mon 9/81:59 amANC - LHR
1 stop19h 51mAmerican Airlines
Deal found 6/10$1,516

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 June 12, 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

Mon 9/29

1:35 pm-12:34 am

1 stop19h 59m

Anchorage

Sat 10/4

4:00 pm-10:00 am

2 stops33h 00m

$994

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 9/29

3:40 pm-1:43 am

2 stops19h 03m

Anchorage

Sat 10/4

1:10 pm-2:40 pm

2 stops16h 30m

$1,009

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 8/25

7:05 am-8:11 pm

3 stops22h 06m

Anchorage

Mon 9/1

6:00 am-6:30 pm

2 stops27h 30m

$1,013

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/13

9:25 pm-4:41 pm

2 stops28h 16m

Anchorage

Sat 9/27

1:25 pm-11:55 am

2 stops37h 30m

$1,021

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 8/25

7:10 pm-2:20 pm

1 stop28h 10m

Anchorage

Tue 9/9

4:20 pm-6:35 pm

1 stop17h 15m

$1,043

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 7/2

7:30 pm-3:10 pm

2 stops28h 40m

Anchorage

Thu 7/10

5:15 pm-10:55 pm

2 stops20h 40m

$1,099

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Sun 7/27

1:00 pm-10:36 pm

2 stops18h 36m

Fairbanks

Sun 8/3

10:05 am-2:40 pm

2 stops19h 35m

$1,318

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 6/27

1:35 pm-2:36 am

2 stops22h 01m

Fairbanks

Wed 7/9

12:14 am-2:35 pm

2 stops29h 21m

$1,349

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 8/25

6:30 am-3:47 pm

2 stops18h 17m

Anchorage

Tue 9/9

8:16 pm-8:40 pm

1 stop15h 24m

$1,448

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 8/25

2:10 pm-3:47 pm

1 stop34h 37m

Anchorage

Wed 9/10

4:45 pm-1:20 pm

1 stop35h 35m

$1,478

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 38 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, January is the cheapest month in which you can book a flight from London to Alaska (average of $456). Flying from London to Alaska in July is currently the most expensive (average of $647). 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 June 12, 2025.

When flying from London to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Alaska by month

Plan your trip to Alaska by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Alaska ranges from 0.5 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. April is typically the driest time to visit Alaska when rainfall is around 0.5 in.

Temperature in Alaska by month

Plan your trip to Alaska by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from London to Alaska. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from London to Alaska one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $970. However, be on the lookout for offers from WestJet and Icelandair, as they are both options that can get you from London to Alaska for a low price.

  • 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, January is the cheapest month in which you can book a flight from London to Alaska (average of $456). Flying from London to Alaska in July is currently the most expensive (average of $647). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,401Average$2,070FlexibilityNo cancel feeOn-timeN/A

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