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

Alaska Airlines is the most popular carrier operating from London to Alaska

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

Prices for flights from London to Alaska refresh daily.

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.

$682 Cheap Flights from London to Alaska in 2026/27

Find the cheapest flights from London to Alaska

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 9:39 pmLGW London Gatwick-ANC Anchorage

20h 39m2 stops Frankfurt am Main Seattle/Tacoma Intl

9:00 am - 2:45 pmANC Anchorage-LGW London Gatwick

20h 45m2 stops Seattle/Tacoma Intl Frankfurt am Main

$918Multiple Airlines

Thu, Apr 8 - Fri, Apr 16

10:00 am - 8:39 pmLGW London Gatwick-ANC Anchorage

19h 39m2 stops Frankfurt am Main Seattle/Tacoma Intl

8:00 am - 2:45 pmANC Anchorage-LGW London Gatwick

21h 45m2 stops Seattle/Tacoma Intl Frankfurt am Main

$986Multiple Airlines

Thu, Apr 8 - Thu, Apr 15

10:25 am - 10:27 pmLGW London Gatwick-ANC Anchorage

21h 02m2 stops Frankfurt am Main Seattle/Tacoma Intl

5:00 am - 7:25 pmANC Anchorage-LGW London Gatwick

29h 25m2 stops Seattle/Tacoma Intl Frankfurt am Main

$1,021Multiple Airlines

Thu, Feb 4 - Sun, Feb 14

3:40 pm - 2:11 amLGW London Gatwick-ANC Anchorage

19h 31m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

1:20 pm - 2:40 pmANC Anchorage-LGW London Gatwick

16h 20m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,024Icelandair

Sun, May 2 - Sun, May 9

1:05 pm - 10:40 pmLHR London Heathrow-ANC Anchorage

18h 35m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

9:00 am - 11:55 amANC Anchorage-LHR London Heathrow

17h 55m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,029Icelandair

Sun, May 2 - Sun, May 9

8:35 pm - 11:11 amLHR London Heathrow-ANC Anchorage

47h 36m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

2:26 am - 10:50 amANC Anchorage-LHR London Heathrow

23h 24m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,043Multiple Airlines

Tue, Dec 1 - Mon, Dec 7

10:00 am - 9:39 pmLGW London Gatwick-ANC Anchorage

20h 39m2 stops Frankfurt am Main Seattle/Tacoma Intl

10:14 am - 2:45 pmANC Anchorage-LGW London Gatwick

19h 31m2 stops Seattle/Tacoma Intl Frankfurt am Main

$1,043Multiple Airlines

Sun, Apr 25 - Fri, Apr 30

1:05 pm - 2:11 amLHR London Heathrow-ANC Anchorage

22h 06m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

1:20 pm - 8:20 pmANC Anchorage-LHR London Heathrow

22h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,045Icelandair

Wed, Apr 21 - Thu, Apr 29

9:25 pm - 10:40 pmLHR London Heathrow-ANC Anchorage

34h 15m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

1:20 pm - 8:20 pmANC Anchorage-LHR London Heathrow

22h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,047Icelandair

Sat, Apr 24 - Thu, Apr 29

12:15 pm - 1:49 amLHR London Heathrow-ANC Anchorage

22h 34m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

2:26 am - 7:30 pmANC Anchorage-LHR London Heathrow

32h 04m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$1,051Multiple Airlines

Thu, Nov 26 - Tue, Dec 8

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Icelandair flights from London to Alaska

Our best Icelandair deals on London to Alaska flight tickets

Icelandair

May 2

LGW3:40 pmLondon Gatwick

19h 31m

2 stops

ANC2:11 amAnchorage

May 9

ANC1:20 pmAnchorage

16h 20m

2 stops

LGW2:40 pmLondon Gatwick

$1,024

Icelandair

May 2

LHR1:05 pmLondon Heathrow

18h 35m

2 stops

ANC10:40 pmAnchorage

May 9

ANC9:00 amAnchorage

17h 55m

2 stops

LHR11:55 amLondon Heathrow

$1,029

Icelandair

Feb 4

LHR8:35 pmLondon Heathrow

34h 52m

2 stops

ANC10:27 pmAnchorage

Feb 14

ANC9:00 amAnchorage

16h 50m

2 stops

LHR10:50 amLondon Heathrow

$1,089

Air France flights from London to Alaska

Our best Air France deals on London to Alaska flight tickets

Air France

Nov 26

LGW4:45 pmLondon Gatwick

39h 39m

2 stops

ANC11:24 pmAnchorage

Dec 9

ANC6:05 amAnchorage

41h 55m

2 stops

LGW9:00 amLondon Gatwick

$1,900

Air France

Mar 15

LGW10:00 amLondon Gatwick

20h 36m

2 stops

ANC10:36 pmAnchorage

Mar 24

ANC6:00 amAnchorage

25h 45m

2 stops

LGW3:45 pmLondon Gatwick

$2,284

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 4/8

10:00 am-9:39 pm

2 stops20h 39m

Anchorage

Fri 4/16

9:00 am-2:45 pm

2 stops20h 45m

$918

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 4/8

10:00 am-8:39 pm

2 stops19h 39m

Anchorage

Thu 4/15

8:00 am-2:45 pm

2 stops21h 45m

$986

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 2/4

10:25 am-10:27 pm

2 stops21h 02m

Anchorage

Sun 2/14

5:00 am-7:25 pm

2 stops29h 25m

$1,021

Quickest round-trip

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Sun 5/2

3:40 pm-2:11 am

2 stops19h 31m

Anchorage

Sun 5/9

1:20 pm-2:40 pm

2 stops16h 20m

$1,024

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sun 5/2

1:05 pm-10:40 pm

2 stops18h 35m

Anchorage

Sun 5/9

9:00 am-11:55 am

2 stops17h 55m

$1,029

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Tue 12/1

8:35 pm-11:11 am

2 stops47h 36m

Anchorage

Mon 12/7

2:26 am-10:50 am

2 stops23h 24m

$1,043

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Sun 4/25

10:00 am-9:39 pm

2 stops20h 39m

Anchorage

Fri 4/30

10:14 am-2:45 pm

2 stops19h 31m

$1,043

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Wed 4/21

1:05 pm-2:11 am

2 stops22h 06m

Anchorage

Thu 4/29

1:20 pm-8:20 pm

2 stops22h 00m

$1,045

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 4/24

9:25 pm-10:40 pm

2 stops34h 15m

Anchorage

Thu 4/29

1:20 pm-8:20 pm

2 stops22h 00m

$1,047

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 11/26

12:15 pm-1:49 am

2 stops22h 34m

Anchorage

Tue 12/8

2:26 am-7:30 pm

2 stops32h 04m

$1,051

Flights are sorted by cheapest round-trip 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?

If you don’t want to visit Alaska in January, then you should wait until May to fly from London, when ticket prices are also cheap, with an average price of $1,116.

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	$682
Fastest flight time	18h 35m
Direct flights	None

The best one-way flight to Alaska from London in the past 72 hours is $682. The best round-trip flight deal from London to Alaska found on momondo in the last 72 hours is $918.

The fastest flight from London to Alaska takes 18h 35m

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 refresh daily.
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.

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?

Yes. momondo allows you to filter the results for London to Alaska flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Alaska from London.

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

Price alerts on flights to Alaska from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.