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

Lufthansa, KLM, and Icelandair 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 refresh daily.

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

The number of operators available for flights from London to Alaska is 1 as of December 2025.

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.

$565 Cheap Flights from London to Alaska in 2025/26

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Find the cheapest flights from London to Alaska

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 11:56 pm

LHR

FAI

20h 41m2 stops

2:10 am - 10:50 am

FAI

LHR

23h 40m2 stops

$805Multiple Airlines

Sat, Jan 31 - Fri, Feb 6

9:25 pm - 10:29 pm

LHR

ANC

58h 04m2 stops

1:00 pm - 8:20 pm

ANC

LHR

22h 20m2 stops

$821Icelandair

Tue, Apr 14 - Wed, Apr 29

8:35 pm - 10:52 pm

LHR

ANC

35h 17m2 stops

8:00 am - 10:50 am

ANC

LHR

17h 50m2 stops

$882Icelandair

Tue, Jan 13 - Tue, Jan 27

2:55 pm - 9:51 pm

LHR

ANC

15h 56m1 stop

12:38 am - 7:10 am

ANC

LHR

21h 32m1 stop

$903Multiple Airlines

Fri, Jan 30 - Thu, Feb 5

9:25 am - 11:56 pm

LHR

FAI

23h 31m1 stop

2:10 am - 7:10 am

FAI

LHR

20h 00m1 stop

$911Multiple Airlines

Sat, Jan 31 - Fri, Feb 6

8:35 pm - 9:51 pm

LHR

ANC

34h 16m2 stops

8:00 am - 10:50 am

ANC

LHR

17h 50m2 stops

$927Icelandair

Mon, Jan 26 - Mon, Feb 9

2:55 pm - 11:52 pm

LHR

ANC

17h 57m1 stop

12:11 pm - 12:20 pm

ANC

LHR

15h 09m1 stop

$929Multiple Airlines

Thu, Feb 5 - Fri, Feb 20

2:55 pm - 10:15 pm

LHR

FAI

16h 20m1 stop

11:30 am - 12:20 pm

FAI

LHR

15h 50m1 stop

$3,363British Airways

Thu, Feb 19 - Mon, Feb 23

2:55 pm - 10:15 pm

LHR

FAI

16h 20m1 stop

11:30 am - 12:20 pm

FAI

LHR

15h 50m1 stop

$3,371British Airways

Thu, Feb 19 - Mon, Feb 23

2:55 pm - 10:15 pm

LHR

FAI

16h 20m1 stop

11:30 am - 12:20 pm

FAI

LHR

15h 50m1 stop

$3,414British Airways

Thu, Feb 19 - Mon, Feb 23

Icelandair flights from London to Alaska

Our best Icelandair deals on London to Alaska flight tickets

Icelandair

Apr 14

LHR9:25 pmLondon Heathrow

58h 04m

2 stops

ANC10:29 pmAnchorage

Apr 29

ANC1:00 pmAnchorage

22h 20m

2 stops

LHR8:20 pmLondon Heathrow

$821

Find similar

Icelandair

Apr 14

LGW3:40 pmLondon Gatwick

39h 49m

2 stops

ANC10:29 pmAnchorage

Apr 29

ANC1:00 pmAnchorage

16h 40m

2 stops

LGW2:40 pmLondon Gatwick

$836

Find similar

Icelandair

Jan 13

LHR8:35 pmLondon Heathrow

35h 17m

2 stops

ANC10:52 pmAnchorage

Jan 27

ANC8:00 amAnchorage

17h 50m

2 stops

LHR10:50 amLondon Heathrow

$882

Find similar

Virgin Atlantic flights from London to Alaska

Our best Virgin Atlantic deals on London to Alaska flight tickets

Virgin Atlantic

May 12

LHR5:25 pmLondon Heathrow

37h 57m

1 stop

ANC10:22 pmAnchorage

May 26

ANC8:30 pmAnchorage

25h 00m

1 stop

LHR6:30 amLondon Heathrow

$1,191

Find similar

Virgin Atlantic

Jan 13

LHR2:30 pmLondon Heathrow

18h 39m

1 stop

ANC12:09 amAnchorage

Jan 27

ANC5:55 amAnchorage

21h 00m

1 stop

LHR11:55 amLondon Heathrow

$1,456

Find similar

Virgin Atlantic

May 12

LHR5:25 pmLondon Heathrow

17h 10m

1 stop

ANC1:35 amAnchorage

May 26

ANC6:10 amAnchorage

18h 05m

2 stops

LHR9:15 amLondon Heathrow

$1,488

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 1/31

12:15 pm-11:56 pm

2 stops20h 41m

Fairbanks

Fri 2/6

2:10 am-10:50 am

2 stops23h 40m

$805

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 4/14

9:25 pm-10:29 pm

2 stops58h 04m

Anchorage

Wed 4/29

1:00 pm-8:20 pm

2 stops22h 20m

$821

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/13

8:35 pm-10:52 pm

2 stops35h 17m

Anchorage

Tue 1/27

8:00 am-10:50 am

2 stops17h 50m

$882

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 1/30

2:55 pm-9:51 pm

1 stop15h 56m

Anchorage

Thu 2/5

12:38 am-7:10 am

1 stop21h 32m

$903

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 1/31

9:25 am-11:56 pm

1 stop23h 31m

Fairbanks

Fri 2/6

2:10 am-7:10 am

1 stop20h 00m

$911

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 1/26

8:35 pm-9:51 pm

2 stops34h 16m

Anchorage

Mon 2/9

8:00 am-10:50 am

2 stops17h 50m

$927

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 2/5

2:55 pm-11:52 pm

1 stop17h 57m

Anchorage

Fri 2/20

12:11 pm-12:20 pm

1 stop15h 09m

$929

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 2/19

2:55 pm-10:15 pm

1 stop16h 20m

Fairbanks

Mon 2/23

11:30 am-12:20 pm

1 stop15h 50m

$3,363

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 2/19

2:55 pm-10:15 pm

1 stop16h 20m

Fairbanks

Mon 2/23

11:30 am-12:20 pm

1 stop15h 50m

$3,371

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 2/19

2:55 pm-10:15 pm

1 stop16h 20m

Fairbanks

Mon 2/23

11:30 am-12:20 pm

1 stop15h 50m

$3,414

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 October, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of $958.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $1,498 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from London for as low as $1,067 on momondo.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 10% 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

Fastest flight time	12h 50m
Direct flights	None

The fastest flight from London to Alaska takes 12h 50m

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

Search flight deals

When did momondo last update prices for flights from London to Alaska?
Prices for flights from London to Alaska refresh daily.
How many operators does momondo search for flights from London to Alaska?
The number of operators available for flights from London to Alaska is 1 as of December 2025.
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
Delta	PriceFrom $1,401	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta 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?

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.