Cheap flights from London to Alaska from £489

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
9 Jul — 16 Jul1
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 9 June 2026.

Thu 11/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 27/616:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 6/6£612
Mon 6/710:20
LGW
-
ANC
1 stop13h 45m
Condor
Mon 6/717:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 9/6£678
Tue 1/906:40
LHR
-
ANC
2 stops26h 15m
Scandinavian Airlines
Tue 15/906:00
ANC
-
LHR
2 stops27h 30m
Scandinavian Airlines
Deal found 7/6£727
Sat 12/906:40
LHR
-
ANC
3 stops27h 55m
Scandinavian Airlines
Sat 26/908:00
ANC
-
LHR
3 stops25h 50m
Scandinavian Airlines
Deal found 7/6£735
Thu 25/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Mon 29/617:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 9/6£773
Sun 30/821:25
LHR
-
ANC
2 stops34h 20m
Icelandair
Wed 30/909:45
ANC
-
LHR
2 stops25h 35m
Icelandair
Deal found 6/6£782
Sun 30/813:00
LGW
-
ANC
2 stops36h 06m
Icelandair
Wed 30/909:45
ANC
-
LGW
2 stops19h 55m
Icelandair
Deal found 6/6£783
Sun 30/821:25
LHR
-
ANC
2 stops27h 41m
Multiple Airlines
Wed 30/911:06
ANC
-
LHR
1 stop19h 29m
Multiple Airlines
Deal found 6/6£791
Thu 2/710:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 18/716:50
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 4/6£793
Mon 5/1021:25
LHR
-
ANC
2 stops37h 14m
Icelandair
Mon 19/1009:05
ANC
-
LHR
2 stops17h 50m
Icelandair
Deal found 7/6£796
Tue 18/806:40
LHR
-
ANC
2 stops26h 15m
Scandinavian Airlines
Tue 25/806:15
ANC
-
LHR
2 stops26h 25m
Scandinavian Airlines
Deal found 8/6£811
Tue 1/913:05
LHR
-
ANC
2 stops18h 40m
Multiple Airlines
Tue 15/905:07
ANC
-
LHR
1 stop24h 58m
Multiple Airlines
Deal found 7/6£821

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 9 June 2026.

Round-trip from

£719

One-way from

£489

Popular in

July

Cheapest in

February

Average price

£1,122
Condor
  • Condor
  • 6/7-6/7
  • 2 total stops
  • 30h 30m total
  • London to Alaska
Icelandair
  • Icelandair
  • 6/10
  • 2 total stops
  • 18h 43m total
  • London to Alaska
Highest demand for flights based on searches. 19% potential increase in price (£174 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 June 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 9 June 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

Mon 6/7

10:20-15:05

1 stop13h 45m

Anchorage

Mon 6/7

17:05-18:50

1 stop16h 45m

£719

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

07:05-23:55

3 stops25h 50m

Anchorage

Tue 15/9

08:00-18:50

3 stops25h 50m

£733

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 30/8

13:00-16:06

2 stops36h 06m

Anchorage

Wed 30/9

09:45-14:40

2 stops19h 55m

£783

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 5/11

12:15-21:38

2 stops18h 23m

Fairbanks

Wed 18/11

01:31-10:50

2 stops24h 19m

£845

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Sat 4/7

10:20-21:42

2 stops20h 22m

Fairbanks

Fri 10/7

05:31-18:50

2 stops28h 19m

£908

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 7/8

06:40-23:55

2 stops26h 15m

Anchorage

Thu 10/9

01:30-13:35

2 stops27h 05m

£938

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Sat 4/7

10:20-21:42

2 stops20h 22m

Fairbanks

Sat 11/7

08:00-18:45

2 stops25h 45m

£956

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 4/8

06:40-23:55

3 stops26h 15m

Anchorage

Tue 11/8

06:00-18:30

2 stops27h 30m

£957

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 4/7

17:00-02:15

1 stop18h 15m

Fairbanks

Fri 10/7

08:00-15:05

1 stop22h 05m

£959

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 18/8

10:20-22:22

2 stops21h 02m

Anchorage

Mon 24/8

17:05-18:50

1 stop16h 45m

£985

Flights are sorted by cheapest return flights first.

Deals found on 6/6

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 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

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 £253). Flying from London to Alaska in August is currently the most expensive (average of £730). 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 9 June 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.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 13h 45m. 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 £410. 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, September is the cheapest month in which you can book a flight from London to Alaska (average of £253). Flying from London to Alaska in August is currently the most expensive (average of £730). 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.

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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£658Average£746FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£1,081Average£1,275FlexibilityNo 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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