Cheap flights from London to Alaska from £524

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
7 Jun — 14 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Alaska

Enter your travel dates to find the best prices.

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 8 May 2026.

Sat 16/510:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 30/516:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/5£577
Sat 13/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 20/616:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/5£630
Sat 6/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 13/616:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 7/5£647
Thu 21/510:20
LGW
-
ANC
1 stop13h 30m
Condor
Thu 28/517:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 6/5£693
Sat 13/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 27/616:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 6/5£694
Sat 16/510:20
LGW
-
ANC
1 stop13h 30m
Multiple Airlines
Sat 30/511:12
ANC
-
LGW
2 stops22h 33m
Multiple Airlines
Deal found 4/5£707
Thu 21/510:20
LGW
-
ANC
1 stop13h 30m
Multiple Airlines
Thu 28/511:12
ANC
-
LGW
2 stops22h 38m
Multiple Airlines
Deal found 6/5£723
Tue 1/915:40
LGW
-
ANC
2 stops18h 56m
Multiple Airlines
Wed 30/909:45
ANC
-
LGW
2 stops19h 55m
Multiple Airlines
Deal found 8/5£727
Tue 1/913:05
LHR
-
ANC
2 stops18h 40m
Multiple Airlines
Tue 15/907:05
ANC
-
LHR
2 stops19h 50m
Multiple Airlines
Deal found 5/5£738
Tue 1/913:00
LGW
-
ANC
2 stops19h 37m
Multiple Airlines
Tue 15/907:05
ANC
-
LGW
2 stops22h 35m
Multiple Airlines
Deal found 5/5£746
Tue 1/913:05
LHR
-
ANC
2 stops21h 31m
Multiple Airlines
Wed 30/909:45
ANC
-
LHR
2 stops17h 10m
Multiple Airlines
Deal found 8/5£756
Sat 5/906:40
LHR
-
ANC
2 stops24h 42m
Scandinavian Airlines
Sat 19/906:00
ANC
-
LHR
3 stops25h 25m
Scandinavian Airlines
Deal found 4/5£758

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 8 May 2026.

Round-trip from

£630

One-way from

£524

Popular in

July

Cheapest in

October

Average price

£760
Condor
  • Condor
  • 13/6-20/6
  • 2 total stops
  • 30h 25m total
  • London to Alaska
12/6
  • 12/6
  • 3 total stops
  • 38h 48m total
  • London to Alaska
Highest demand for flights based on searches. 20% potential increase in price (£177 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 8 May 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 return flight

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 6/6

10:20-21:36

2 stops20h 16m

Anchorage

Sat 13/6

16:50-18:45

1 stop16h 55m

£899

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Mon 1/6

10:20-21:00

2 stops19h 40m

Fairbanks

Mon 8/6

05:30-18:50

2 stops28h 20m

£923

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Sat 13/6

10:20-21:42

2 stops20h 22m

Fairbanks

Sun 28/6

05:31-14:40

2 stops24h 09m

£958
Fastest return journey

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 13/6

10:20-21:25

2 stops20h 05m

Anchorage

Sat 27/6

16:50-14:40

1 stop12h 50m

£985

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 1/8

17:00-22:26

2 stops38h 26m

Anchorage

Fri 18/9

06:00-16:00

2 stops25h 00m

£1,002

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 4/8

15:40-01:37

2 stops18h 57m

Anchorage

Sun 20/9

09:05-14:40

2 stops20h 35m

£1,023

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 31/7

19:30-22:26

2 stops35h 56m

Anchorage

Mon 14/9

01:30-18:30

2 stops32h 00m

£1,058

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 4/8

13:00-22:22

2 stops42h 22m

Anchorage

Fri 18/9

09:05-14:40

2 stops20h 35m

£1,080

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 28/5

15:40-01:59

2 stops43h 19m

Anchorage

Sun 31/5

10:00-11:45

2 stops40h 45m

£1,081

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 13/6

06:40-23:56

2 stops26h 16m

Anchorage

Sat 27/6

06:00-18:30

2 stops27h 30m

£1,085

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 55 resultsSorted by cheapest first
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6

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 return 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

How far ahead should I book a flight from London to Alaska?

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Alaska. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 £353). Flying from London to Alaska in August is currently the most expensive (average of £716). 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 for a return flight from London to Alaska?

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 8 May 2026.
See what other customers who have flown with Alaska Airlines,Virgin Atlantic, andIcelandair from London to Alaska have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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?

    There are many flights that can get you from London to Alaska in 18h 57m. Fly via Condor, Scandinavian Airlines, or Icelandair to get the fastest option. London and Alaska are separated by a distance of 4495 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £402. However, be on the lookout for offers from Air Canada and British Airways, 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?

  • 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 holiday 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 £353). Flying from London to Alaska in August is currently the most expensive (average of £716). 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.

Top 2 airlines flying from London to Alaska

Discover the top 2 airlines 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 858,174 searches. Data last updated 8 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£643Average£815FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£1,093Average£1,221FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Alaska?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Alaska. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Alaska?

Cheapflights helps you find that perfect flight to Alaska from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Alaska with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Alaska flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Alaska become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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