Which airlines fly to Alaska?

Alaska Airlines, Condor and Icelandair are the top three most popular airlines that fly to Alaska from London according to our data. Alaska Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Alaska. Keep in mind that there are 3 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Alaska?

Icelandair, Virgin Atlantic, and Delta are the most popular carriers operating from London to Alaska

When did momondo last update prices for flights from London to Alaska?

Prices for flights from London to Alaska are refreshed on a daily basis.

How many operators does momondo search for flights from London to Alaska?

As of September 2026, there are 3 operators available to choose from for flights from London to Alaska.

How old do you have to be to fly from London to Alaska?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Alaska.

What documentation or ID do you need to fly to Alaska?

The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£448 Cheap Flights from London to Alaska in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Alaska

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:55 - 00:10LGW London Gatwick-ANC Anchorage

21h 15m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

07:15 - 13:40ANC Anchorage-LGW London Gatwick

22h 25m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£748Multiple Airlines

Fri, 12 Mar - Tue, 23 Mar

12:15 - 00:10LHR London Heathrow-ANC Anchorage

19h 55m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:00 - 10:50ANC Anchorage-LHR London Heathrow

17h 50m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£749Multiple Airlines

Mon, 15 Mar - Tue, 23 Mar

12:15 - 02:11LHR London Heathrow-ANC Anchorage

22h 56m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

05:00 - 10:50ANC Anchorage-LHR London Heathrow

21h 50m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£749Multiple Airlines

Fri, 12 Mar - Tue, 23 Mar

12:15 - 22:48LHR London Heathrow-ANC Anchorage

18h 33m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

08:00 - 19:30ANC Anchorage-LHR London Heathrow

26h 30m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£836Icelandair

Thu, 29 Oct - Thu, 5 Nov

12:15 - 21:39LHR London Heathrow-ANC Anchorage

18h 24m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:00 - 10:50ANC Anchorage-LHR London Heathrow

17h 50m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£855Icelandair

Sat, 13 Mar - Tue, 23 Mar

20:35 - 21:39LHR London Heathrow-ANC Anchorage

34h 04m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:00 - 19:30ANC Anchorage-LHR London Heathrow

26h 30m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£856Icelandair

Fri, 12 Mar - Tue, 23 Mar

14:45 - 21:39LHR London Heathrow-ANC Anchorage

15h 54m1 stop Seattle/Tacoma Intl

09:00 - 12:20ANC Anchorage-LHR London Heathrow

19h 20m1 stop Seattle/Tacoma Intl

£865Alaska Airlines

Thu, 11 Mar - Tue, 23 Mar

16:10 - 21:54LGW London Gatwick-FAI Fairbanks

38h 44m2 stops Frankfurt am Main Seattle/Tacoma Intl

08:00 - 15:00FAI Fairbanks-LGW London Gatwick

22h 00m2 stops Seattle/Tacoma Intl Frankfurt am Main

£885Condor

Sat, 16 Jan - Sun, 24 Jan

14:45 - 11:50LHR London Heathrow-ANC Anchorage

29h 05m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles

23:13 - 12:20ANC Anchorage-LHR London Heathrow

28h 07m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl

£892Alaska Airlines

Thu, 29 Oct - Thu, 5 Nov

20:15 - 20:35LGW London Gatwick-ANC Anchorage

33h 20m2 stops Frankfurt am Main Seattle/Tacoma Intl

06:00 - 19:25ANC Anchorage-LGW London Gatwick

28h 25m2 stops Seattle/Tacoma Intl Frankfurt am Main

£894Condor

Sat, 16 Jan - Sun, 24 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:25 - 01:48LHR London Heathrow-FAI Fairbanks

37h 23m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

16:08 - 20:20FAI Fairbanks-LHR London Heathrow

43h 12m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£848Multiple Airlines

Sat, 19 Sep - Thu, 1 Oct

10:20 - 22:46LGW London Gatwick-FAI Fairbanks

21h 26m2 stops Frankfurt am Main Seattle/Tacoma Intl

05:30 - 18:50FAI Fairbanks-LGW London Gatwick

28h 20m2 stops Seattle/Tacoma Intl Frankfurt am Main

£1,085Multiple Airlines

Sat, 19 Sep - Thu, 1 Oct

17:45 - 01:48LHR London Heathrow-FAI Fairbanks

17h 03m1 stop Seattle/Tacoma Intl

05:30 - 11:20FAI Fairbanks-LHR London Heathrow

20h 50m1 stop Seattle/Tacoma Intl

£1,105Multiple Airlines

Sat, 19 Sep - Thu, 1 Oct

17:45 - 01:48LHR London Heathrow-FAI Fairbanks

17h 03m1 stop Seattle/Tacoma Intl

05:30 - 06:20FAI Fairbanks-LHR London Heathrow

39h 50m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

£1,113Multiple Airlines

Sat, 19 Sep - Thu, 1 Oct

19:40 - 22:46LGW London Gatwick-FAI Fairbanks

36h 06m2 stops Frankfurt am Main Seattle/Tacoma Intl

05:30 - 18:50FAI Fairbanks-LGW London Gatwick

28h 20m2 stops Seattle/Tacoma Intl Frankfurt am Main

£1,259Condor

Wed, 16 Sep - Sun, 20 Sep

15:40 - 01:48LGW London Gatwick-FAI Fairbanks

19h 08m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

12:03 - 14:40FAI Fairbanks-LGW London Gatwick

17h 37m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£1,336Multiple Airlines

Thu, 17 Sep - Tue, 22 Sep

06:40 - 00:30LHR London Heathrow-FAI Fairbanks

26h 50m3 stops Kastrup Copenhagen San Francisco Seattle/Tacoma Intl

14:30 - 13:35FAI Fairbanks-LHR London Heathrow

38h 05m3 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson Kastrup Copenhagen

£1,358Multiple Airlines

Sat, 19 Sep - Thu, 1 Oct

12:00 - 01:38LHR London Heathrow-ANC Anchorage

22h 38m2 stops Dublin Seattle/Tacoma Intl

07:07 - 15:00ANC Anchorage-LHR London Heathrow

22h 53m2 stops Seattle/Tacoma Intl Dublin

£1,367Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

21:25 - 01:38LHR London Heathrow-ANC Anchorage

37h 13m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

07:07 - 15:05ANC Anchorage-LHR London Heathrow

22h 58m1 stop Seattle/Tacoma Intl

£1,436Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

19:40 - 20:55LGW London Gatwick-FAI Fairbanks

34h 15m2 stops Frankfurt am Main Seattle/Tacoma Intl

08:30 - 18:50FAI Fairbanks-LGW London Gatwick

25h 20m2 stops Seattle/Tacoma Intl Frankfurt am Main

£1,514Condor

Wed, 16 Sep - Mon, 21 Sep

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Icelandair flights from London to Alaska

Our best Icelandair deals on London to Alaska flight tickets

Icelandair

19 Oct

LHR21:25London Heathrow

34h 23m

2 stops

ANC22:48Anchorage

26 Oct

ANC09:07Anchorage

17h 43m

2 stops

LHR10:50London Heathrow

£813

Icelandair

29 Oct

LHR12:15London Heathrow

18h 33m

2 stops

ANC22:48Anchorage

5 Nov

ANC08:00Anchorage

26h 30m

2 stops

LHR19:30London Heathrow

£836

Icelandair

13 Mar

LHR12:15London Heathrow

18h 24m

2 stops

ANC21:39Anchorage

23 Mar

ANC09:00Anchorage

17h 50m

2 stops

LHR10:50London Heathrow

£855

Alaska Airlines flights from London to Alaska

Our best Alaska Airlines deals on London to Alaska flight tickets

Alaska Airlines

11 Mar

LHR14:45London Heathrow

15h 54m

1 stop

ANC21:39Anchorage

23 Mar

ANC09:00Anchorage

19h 20m

1 stop

LHR12:20London Heathrow

£865

Alaska Airlines

29 Oct

LHR14:45London Heathrow

29h 05m

2 stops

ANC11:50Anchorage

5 Nov

ANC23:13Anchorage

28h 07m

2 stops

LHR12:20London Heathrow

£892

Alaska Airlines

29 Oct

LHR14:45London Heathrow

16h 03m

1 stop

ANC22:48Anchorage

5 Nov

ANC23:13Anchorage

28h 07m

2 stops

LHR12:20London Heathrow

£916

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Fri 12/3

11:55-00:10

2 stops21h 15m

Anchorage

Tue 23/3

07:15-13:40

2 stops22h 25m

£748

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Mon 15/3

12:15-00:10

2 stops19h 55m

Anchorage

Tue 23/3

09:00-10:50

2 stops17h 50m

£749

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 12/3

12:15-02:11

2 stops22h 56m

Anchorage

Tue 23/3

05:00-10:50

2 stops21h 50m

£749

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 29/10

12:15-22:48

2 stops18h 33m

Anchorage

Thu 5/11

08:00-19:30

2 stops26h 30m

£836

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 13/3

12:15-21:39

2 stops18h 24m

Anchorage

Tue 23/3

09:00-10:50

2 stops17h 50m

£855

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 12/3

20:35-21:39

2 stops34h 04m

Anchorage

Tue 23/3

09:00-19:30

2 stops26h 30m

£856

Fastest return journey

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 11/3

14:45-21:39

1 stop15h 54m

Anchorage

Tue 23/3

09:00-12:20

1 stop19h 20m

£865

LondonFairbanks

LGW London Gatwick - FAI Fairbanks

LGWFAI

London Gatwick

Sat 16/1

16:10-21:54

2 stops38h 44m

Fairbanks

Sun 24/1

08:00-15:00

2 stops22h 00m

£885

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 29/10

14:45-11:50

2 stops29h 05m

Anchorage

Thu 5/11

23:13-12:20

2 stops28h 07m

£892

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Sat 16/1

20:15-20:35

2 stops33h 20m

Anchorage

Sun 24/1

06:00-19:25

2 stops28h 25m

£894

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Alaska?

The cheapest month to fly to Alaska from London is in January. Flight prices, which tend to average around £722, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in January, then May is your next best option. Flight prices from London to Alaska during May average around £759.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 2% on your flight if you consider stops on a London to Alaska flight.

Cheap London to Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Alaska

Best price found	£448
Fastest flight time	19h 45m
Direct flights	None

The best one-way flight to Alaska from London in the past 72 hours is £448. The best return flight deal from London to Alaska found on momondo in the last 72 hours is £748.

The fastest flight from London to Alaska takes 19h 45m

There are no direct flights from London to Alaska. There are no popular flight routes from London to Alaska.

Search flight deals

Frequently asked questions about flying from London to Alaska

When did momondo last update prices for flights from London to Alaska?
Prices for flights from London to Alaska are refreshed on a daily basis.
How many operators does momondo search for flights from London to Alaska?
As of September 2026, there are 3 operators available to choose from for flights from London to Alaska.
How old do you have to be to fly from London to Alaska?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Alaska.
What documentation or ID do you need to fly to Alaska?
The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London to Alaska

Compare and see reviews for airlines that fly from London to Alaska with momondo

Airline	Rating	Free Cancellation	Price
Condor	PriceFrom £620	Free Cancellation	Rating 6.6 587 reviews	Search Condor flights
Icelandair	PriceFrom £627	Free Cancellation	Rating 6.9 743 reviews	Search Icelandair flights
Alaska Airlines	PriceFrom £826	Free Cancellation	Rating 7.9 12,932 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Alaska?

Finding the right flight to Alaska from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Alaska quick and easy, saving you time and money.

Can I find flights from London to Alaska with flexible booking policies on momondo?

momondo does allow users to show only those flights to Alaska from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Alaska?

momondo helps you find the best flight between London and Alaska by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Alaska right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Alaska from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.