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

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

Which airlines fly to Alaska?

Virgin Atlantic, Icelandair and British Airways are the top three most popular airlines that fly to Alaska from London according to our data. Virgin Atlantic is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Alaska. Keep in mind that there are 6 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

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 October 2025, there are 6 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.

£392 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 return flights

Enter your travel dates to find the best prices.

12:15 - 23:52LHR-ANC

20h 37m2 stops

00:45 - 10:50ANC-LHR

25h 05m2 stops

£669Multiple Airlines

Find Deal

Wed, 11 Feb - Tue, 24 Feb

11:55 - 23:52LGW-ANC

20h 57m2 stops

00:45 - 10:55ANC-LGW

25h 10m2 stops

£680Multiple Airlines

Find Deal

Wed, 11 Feb - Tue, 24 Feb

11:55 - 22:52LGW-ANC

19h 57m2 stops

08:00 - 10:55ANC-LGW

17h 55m2 stops

£684Icelandair

Find Deal

Wed, 11 Feb - Wed, 25 Feb

20:35 - 21:51LHR-ANC

34h 16m2 stops

08:00 - 19:30ANC-LHR

26h 30m2 stops

£741Icelandair

Find Deal

Mon, 9 Feb - Fri, 13 Feb

08:40 - 00:57LHR-ANC

25h 17m2 stops

13:10 - 12:50ANC-LHR

14h 40m1 stop

£1,080Virgin Atlantic

Find Deal

Tue, 9 Dec - Tue, 16 Dec

11:05 - 00:57LHR-ANC

22h 52m1 stop

06:05 - 07:05ANC-LHR

16h 00m1 stop

£1,081Virgin Atlantic

Find Deal

Tue, 9 Dec - Tue, 16 Dec

06:35 - 19:59LHR-ANC

22h 24m2 stops

23:59 - 09:40ANC-LHR

24h 41m1 stop

£1,084United Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

06:35 - 19:59LHR-ANC

22h 24m2 stops

21:07 - 05:55ANC-LHR

23h 48m1 stop

£1,122United Airlines

Find Deal

Thu, 13 Nov - Mon, 17 Nov

08:20 - 19:15LHR-ANC

19h 55m1 stop

20:21 - 08:35ANC-LHR

27h 14m1 stop

£1,133British Airways

Find Deal

Tue, 18 Nov - Fri, 28 Nov

14:55 - 01:13LHR-FAI

19h 18m1 stop

12:19 - 12:20FAI-LHR

15h 01m1 stop

£1,818British Airways

Find Deal

Thu, 27 Nov - Mon, 1 Dec

Icelandair flights from London to Alaska

Our best Icelandair deals on London to Alaska flight tickets

Icelandair

11 Feb

LGW11:55London Gatwick

19h 57m

2 stops

ANC22:52Anchorage

25 Feb

ANC08:00Anchorage

17h 55m

2 stops

LGW10:55London Gatwick

£684

Find similar

Icelandair

9 Feb

LHR20:35London Heathrow

34h 16m

2 stops

ANC21:51Anchorage

13 Feb

ANC08:00Anchorage

26h 30m

2 stops

LHR19:30London Heathrow

£741

Find similar

Icelandair

13 Nov

LHR12:15London Heathrow

18h 33m

2 stops

ANC21:48Anchorage

17 Nov

ANC08:00Anchorage

17h 50m

2 stops

LHR10:50London Heathrow

£754

Find similar

Virgin Atlantic flights from London to Alaska

Our best Virgin Atlantic deals on London to Alaska flight tickets

Virgin Atlantic

9 Dec

LHR08:40London Heathrow

25h 17m

2 stops

ANC00:57Anchorage

16 Dec

ANC13:10Anchorage

14h 40m

1 stop

LHR12:50London Heathrow

£1,080

Find similar

Virgin Atlantic

9 Dec

LHR11:05London Heathrow

22h 52m

1 stop

ANC00:57Anchorage

16 Dec

ANC06:05Anchorage

16h 00m

1 stop

LHR07:05London Heathrow

£1,081

Find similar

Virgin Atlantic

17 Mar

LHR12:20London Heathrow

20h 08m

1 stop

ANC00:28Anchorage

24 Mar

ANC06:00Anchorage

22h 50m

1 stop

LHR12:50London Heathrow

£1,106

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 11/2

12:15-23:52

2 stops20h 37m

Anchorage

Tue 24/2

00:45-10:50

2 stops25h 05m

£669

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 11/2

11:55-23:52

2 stops20h 57m

Anchorage

Tue 24/2

00:45-10:55

2 stops25h 10m

£680

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 11/2

11:55-22:52

2 stops19h 57m

Anchorage

Wed 25/2

08:00-10:55

2 stops17h 55m

£684

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 9/2

20:35-21:51

2 stops34h 16m

Anchorage

Fri 13/2

08:00-19:30

2 stops26h 30m

£741

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/12

08:40-00:57

2 stops25h 17m

Anchorage

Tue 16/12

13:10-12:50

1 stop14h 40m

£1,080

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/12

11:05-00:57

1 stop22h 52m

Anchorage

Tue 16/12

06:05-07:05

1 stop16h 00m

£1,081

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 26/11

06:35-19:59

2 stops22h 24m

Anchorage

Wed 3/12

23:59-09:40

1 stop24h 41m

£1,084

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 13/11

06:35-19:59

2 stops22h 24m

Anchorage

Mon 17/11

21:07-05:55

1 stop23h 48m

£1,122

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 18/11

08:20-19:15

1 stop19h 55m

Anchorage

Fri 28/11

20:21-08:35

1 stop27h 14m

£1,133

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 27/11

14:55-01:13

1 stop19h 18m

Fairbanks

Mon 1/12

12:19-12:20

1 stop15h 01m

£1,818

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 September. Flight prices, which tend to average around £778, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in September, then April is your next best option. Flight prices from London to Alaska during April average around £779.

What is the cheapest day to depart on your flight to Alaska?

Our data shows that Thursday is the least expensive day to fly to Alaska. Tickets to fly out on this day can be as low as £839. On the other hand, Sunday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,120.

What is the cheapest time of day to depart on your flight to Alaska?

At midday is the cheapest time of day to fly from London to Alaska when you can find flight prices for as low as £785. Flying to Alaska at midday is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Alaska, so prices are often more expensive at around £1,077 per ticket.

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 £1,127 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from London for as low as £808 on momondo.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 38% 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 are refreshed on a daily basis.
How many operators does momondo search for flights from London to Alaska?
As of October 2025, there are 6 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
Icelandair	PriceFrom £664	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom £679	Free Cancellation	Rating 7.4 1,548 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom £708	Free Cancellation	Rating 6.7 7,488 reviews	Search British Airways flights
Lufthansa	PriceFrom £819	Free Cancellation	Rating 6.8 7,542 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £1,073	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom £1,087	Free Cancellation	Rating 7.4 8,995 reviews	Search United 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.