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

British Airways, Icelandair, 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 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 September 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.

$574 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

3:40 pm - 10:45 pmLGW-ANC

40h 05m2 stops

10:00 am - 2:40 pmANC-LGW

19h 40m2 stops

$836Icelandair

Find Deal

Tue, Oct 14 - Tue, Oct 21

9:25 pm - 10:45 pmLHR-ANC

34h 20m2 stops

10:00 am - 11:55 amANC-LHR

16h 55m2 stops

$840Icelandair

Find Deal

Tue, Oct 14 - Tue, Oct 21

11:20 am - 12:30 amLHR-ANC

22h 10m1 stop

12:09 am - 4:50 pmANC-LHR

31h 41m1 stop

$854Multiple Airlines

Find Deal

Fri, Nov 7 - Sat, Nov 22

12:15 pm - 12:57 amLHR-ANC

20h 42m2 stops

5:05 am - 10:50 amANC-LHR

20h 45m2 stops

$924Multiple Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

6:40 am - 10:43 pmLHR-ANC

25h 03m2 stops

6:00 am - 6:30 pmANC-LHR

27h 30m3 stops

$1,004Scandinavian Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

6:40 am - 1:59 amLHR-ANC

28h 19m3 stops

6:00 am - 6:30 pmANC-LHR

27h 30m3 stops

$1,025Scandinavian Airlines

Find Deal

Fri, Oct 17 - Fri, Oct 24

1:25 pm - 1:59 amLHR-ANC

21h 34m1 stop

11:15 am - 11:20 amANC-LHR

15h 05m1 stop

$1,463Virgin Atlantic

Find Deal

Wed, Oct 8 - Wed, Oct 22

7:25 am - 7:57 pmLHR-ANC

21h 32m2 stops

9:04 pm - 6:20 amANC-LHR

24h 16m1 stop

$1,475United Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 22

12:45 pm - 12:51 amLHR-ANC

21h 06m1 stop

6:05 am - 1:10 pmANC-LHR

22h 05m1 stop

$1,477Virgin Atlantic

Find Deal

Wed, Oct 8 - Wed, Oct 22

9:30 am - 10:56 pmLHR-ANC

22h 26m2 stops

9:07 pm - 5:55 amANC-LHR

23h 48m1 stop

$1,499United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

Virgin Atlantic flights from London to Alaska

Our best Virgin Atlantic deals on London to Alaska flight tickets

Virgin Atlantic

Oct 8

LHR1:25 pmLondon Heathrow

21h 34m

1 stop

ANC1:59 amAnchorage

Oct 22

ANC11:15 amAnchorage

15h 05m

1 stop

LHR11:20 amLondon Heathrow

$1,463

Find similar

Virgin Atlantic

Oct 8

LHR12:45 pmLondon Heathrow

21h 06m

1 stop

ANC12:51 amAnchorage

Oct 22

ANC6:05 amAnchorage

22h 05m

1 stop

LHR1:10 pmLondon Heathrow

$1,477

Find similar

Virgin Atlantic

Oct 7

LHR12:25 pmLondon Heathrow

21h 15m

2 stops

FAI12:40 amFairbanks

Oct 20

FAI1:45 amFairbanks

26h 25m

2 stops

LHR1:10 pmLondon Heathrow

$1,480

Find similar

Scandinavian Airlines flights from London to Alaska

Our best Scandinavian Airlines deals on London to Alaska flight tickets

Scandinavian Airlines

Oct 15

LHR6:40 amLondon Heathrow

25h 03m

2 stops

ANC10:43 pmAnchorage

Oct 22

ANC6:00 amAnchorage

27h 30m

3 stops

LHR6:30 pmLondon Heathrow

$1,004

Find similar

Scandinavian Airlines

Oct 17

LHR6:40 amLondon Heathrow

28h 19m

3 stops

ANC1:59 amAnchorage

Oct 24

ANC6:00 amAnchorage

27h 30m

3 stops

LHR6:30 pmLondon Heathrow

$1,025

Find similar

Scandinavian Airlines

Oct 8

LHR6:40 amLondon Heathrow

25h 03m

2 stops

ANC10:43 pmAnchorage

Oct 22

ANC6:00 amAnchorage

25h 00m

2 stops

LHR4:00 pmLondon Heathrow

$1,090

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 10/14

3:40 pm-10:45 pm

2 stops40h 05m

Anchorage

Tue 10/21

10:00 am-2:40 pm

2 stops19h 40m

$836

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 10/14

9:25 pm-10:45 pm

2 stops34h 20m

Anchorage

Tue 10/21

10:00 am-11:55 am

2 stops16h 55m

$840

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/7

11:20 am-12:30 am

1 stop22h 10m

Anchorage

Sat 11/22

12:09 am-4:50 pm

1 stop31h 41m

$854

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/29

12:15 pm-12:57 am

2 stops20h 42m

Anchorage

Wed 11/5

5:05 am-10:50 am

2 stops20h 45m

$924

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/15

6:40 am-10:43 pm

2 stops25h 03m

Anchorage

Wed 10/22

6:00 am-6:30 pm

3 stops27h 30m

$1,004

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 10/17

6:40 am-1:59 am

3 stops28h 19m

Anchorage

Fri 10/24

6:00 am-6:30 pm

3 stops27h 30m

$1,025

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/8

1:25 pm-1:59 am

1 stop21h 34m

Anchorage

Wed 10/22

11:15 am-11:20 am

1 stop15h 05m

$1,463

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/8

7:25 am-7:57 pm

2 stops21h 32m

Anchorage

Wed 10/22

9:04 pm-6:20 am

1 stop24h 16m

$1,475

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/8

12:45 pm-12:51 am

1 stop21h 06m

Anchorage

Wed 10/22

6:05 am-1:10 pm

1 stop22h 05m

$1,477

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 11/13

9:30 am-10:56 pm

2 stops22h 26m

Anchorage

Mon 11/17

9:07 pm-5:55 am

1 stop23h 48m

$1,499

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 April, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of $1,053.

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 $1,494 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 $1,065 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

Direct flights	None

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 September 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 7,957 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.