Cheap flights from London to Alaska from £432

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
4 Jul — 11 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 4 June 2026.

Mon 6/710:20
LGW
-
ANC
1 stop13h 45m
Condor
Mon 6/717:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 3/6£714
Tue 15/915:40
LGW
-
ANC
2 stops19h 05m
Icelandair
Wed 23/909:45
ANC
-
LGW
2 stops19h 55m
Icelandair
Deal found 31/5£748
Tue 25/821:25
LHR
-
ANC
2 stops32h 20m
Multiple Airlines
Wed 2/907:07
ANC
-
LHR
1 stop22h 58m
Multiple Airlines
Deal found 2/6£778
Tue 25/821:25
LHR
-
ANC
2 stops32h 20m
Multiple Airlines
Thu 3/921:20
ANC
-
LHR
2 stops24h 10m
Multiple Airlines
Deal found 2/6£810
Thu 1/1015:40
LGW
-
ANC
2 stops40h 05m
Icelandair
Mon 5/1009:05
ANC
-
LGW
2 stops20h 35m
Icelandair
Deal found 30/5£827
Mon 22/610:20
LGW
-
ANC
1 stop13h 45m
Condor
Mon 13/717:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 2/6£834
Tue 25/815:40
LGW
-
ANC
2 stops19h 05m
Multiple Airlines
Wed 2/901:59
ANC
-
LGW
2 stops27h 41m
Multiple Airlines
Deal found 2/6£836
Sun 23/821:25
LHR
-
ANC
2 stops31h 19m
Multiple Airlines
Sun 30/821:20
ANC
-
LHR
2 stops24h 15m
Multiple Airlines
Deal found 1/6£837
Tue 1/913:05
LHR
-
ANC
3 stops33h 33m
Multiple Airlines
Sat 12/914:40
ANC
-
LHR
2 stops36h 10m
Multiple Airlines
Deal found 30/5£839
Thu 5/1112:15
LHR
-
FAI
2 stops18h 23m
Multiple Airlines
Wed 18/1101:31
FAI
-
LHR
2 stops24h 19m
Multiple Airlines
Deal found 3/6£844
Tue 1/914:10
LHR
-
ANC
2 stops32h 28m
Air Canada
Sat 12/914:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Deal found 30/5£847
Tue 25/815:40
LGW
-
ANC
2 stops40h 05m
Icelandair
Wed 2/917:09
ANC
-
LGW
2 stops36h 31m
Icelandair
Deal found 2/6£868

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 4 June 2026.

Round-trip from

£739

One-way from

£432

Popular in

July

Cheapest in

October

Average price

£1,116
Condor
  • Condor
  • 6/7-6/7
  • 2 total stops
  • 30h 30m total
  • London to Alaska
17/8
  • 17/8
  • 3 total stops
  • 59h 36m total
  • London to Alaska
Highest demand for flights based on searches. 19% potential increase in price (£159 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 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 4 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

£714

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 1/10

15:40-22:45

2 stops40h 05m

Anchorage

Mon 5/10

09:05-14:40

2 stops20h 35m

£827

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 5/11

12:15-01:51

2 stops22h 36m

Fairbanks

Wed 18/11

01:31-10:50

2 stops24h 19m

£849

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Thu 5/11

09:55-21:38

2 stops20h 43m

Fairbanks

Thu 19/11

05:30-18:50

2 stops28h 20m

£884

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

£963

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 22/6

10:20-15:05

1 stop13h 45m

Anchorage

Mon 13/7

05:00-18:50

2 stops28h 50m

£1,005

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

21:25-22:45

2 stops34h 20m

Anchorage

Sat 12/9

17:09-20:20

2 stops18h 11m

£1,009

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 23/8

19:35-15:05

1 stop28h 30m

Anchorage

Sun 30/8

07:07-14:40

2 stops22h 33m

£1,020

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

13:05-13:38

3 stops33h 33m

Anchorage

Sat 12/9

12:25-06:30

3 stops33h 05m

£1,037

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Tue 14/7

15:40-02:15

2 stops19h 35m

Fairbanks

Mon 20/7

00:19-14:40

2 stops29h 21m

£1,045

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 60 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

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 £251). Flying from London to Alaska in August is currently the most expensive (average of £725). 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 4 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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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.

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

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, Icelandair, or Scandinavian Airlines 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 £407. 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 £251). Flying from London to Alaska in August is currently the most expensive (average of £725). 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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£653Average£741FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£1,073Average£1,242FlexibilityNo 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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