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 33% 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.

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

WestJet, Icelandair, and British Airways 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 August 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.

£379 Cheap Flights from London to Alaska in 2025

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Find the cheapest flights from London to Alaska

Round-trip

One-way

Last minute

Cheap return flights

10:55 - 00:34LGW-ANC

22h 39m1 stop

01:59 - 10:55ANC-LGW

23h 56m2 stops

£615

Find Deal

Sun, 14 Sep - Sat, 20 Sep

07:05 - 01:59LHR-ANC

27h 54m3 stops

06:00 - 18:30ANC-LHR

27h 30m3 stops

£639Scandinavian Airlines

Find Deal

Wed, 8 Oct - Wed, 22 Oct

07:05 - 01:59LHR-ANC

27h 54m3 stops

06:00 - 17:40ANC-LHR

26h 40m3 stops

£641Scandinavian Airlines

Find Deal

Wed, 8 Oct - Wed, 22 Oct

15:40 - 01:59LGW-ANC

19h 19m2 stops

13:10 - 14:40ANC-LGW

16h 30m2 stops

£645Icelandair

Find Deal

Sun, 5 Oct - Sat, 11 Oct

15:40 - 22:45LGW-ANC

40h 05m2 stops

13:10 - 14:40ANC-LGW

16h 30m2 stops

£646Icelandair

Find Deal

Sun, 5 Oct - Sat, 11 Oct

07:30 - 12:50LHR-ANC

14h 20m1 stop

15:05 - 14:40ANC-LHR

14h 35m1 stop

£756Lufthansa

Find Deal

Sat, 13 Sep - Sat, 20 Sep

06:15 - 00:50LHR-FAI

27h 35m2 stops

01:50 - 11:20FAI-LHR

24h 30m1 stop

£1,225Virgin Atlantic

Find Deal

Fri, 29 Aug - Thu, 4 Sep

18:00 - 00:50LHR-FAI

15h 50m1 stop

01:50 - 11:20FAI-LHR

24h 30m1 stop

£1,226Virgin Atlantic

Find Deal

Fri, 29 Aug - Thu, 4 Sep

13:20 - 20:49LCY-ANC

40h 29m2 stops

19:46 - 10:10ANC-LCY

29h 24m2 stops

£1,248British Airways

Find Deal

Mon, 25 Aug - Mon, 1 Sep

14:55 - 02:57LHR-FAI

21h 02m1 stop

12:19 - 12:20FAI-LHR

15h 01m1 stop

£1,380British 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

5 Oct

LGW15:40London Gatwick

19h 19m

2 stops

ANC01:59Anchorage

11 Oct

ANC13:10Anchorage

16h 30m

2 stops

LGW14:40London Gatwick

£645

Find similar

Icelandair

5 Oct

LGW15:40London Gatwick

40h 05m

2 stops

ANC22:45Anchorage

11 Oct

ANC13:10Anchorage

16h 30m

2 stops

LGW14:40London Gatwick

£646

Find similar

Icelandair

5 Oct

LGW15:40London Gatwick

43h 19m

2 stops

ANC01:59Anchorage

12 Oct

ANC11:16Anchorage

18h 24m

2 stops

LGW14:40London Gatwick

£669

Find similar

British Airways flights from London to Alaska

Our best British Airways deals on London to Alaska flight tickets

British Airways

25 Aug

LCY13:20London City

40h 29m

2 stops

ANC20:49Anchorage

1 Sept

ANC19:46Anchorage

29h 24m

2 stops

LCY10:10London City

£1,248

Find similar

British Airways

27 Nov

LHR14:55London Heathrow

21h 02m

1 stop

FAI02:57Fairbanks

1 Dec

FAI12:19Fairbanks

15h 01m

1 stop

LHR12:20London Heathrow

£1,380

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 14/9

10:55-00:34

1 stop22h 39m

Anchorage

Sat 20/9

01:59-10:55

2 stops23h 56m

£615

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

07:05-01:59

3 stops27h 54m

Anchorage

Wed 22/10

06:00-18:30

3 stops27h 30m

£639

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

07:05-01:59

3 stops27h 54m

Anchorage

Wed 22/10

06:00-17:40

3 stops26h 40m

£641

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

15:40-01:59

2 stops19h 19m

Anchorage

Sat 11/10

13:10-14:40

2 stops16h 30m

£645

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

15:40-22:45

2 stops40h 05m

Anchorage

Sat 11/10

13:10-14:40

2 stops16h 30m

£646

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 13/9

07:30-12:50

1 stop14h 20m

Anchorage

Sat 20/9

15:05-14:40

1 stop14h 35m

£756

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 29/8

06:15-00:50

2 stops27h 35m

Fairbanks

Thu 4/9

01:50-11:20

1 stop24h 30m

£1,225

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 29/8

18:00-00:50

1 stop15h 50m

Fairbanks

Thu 4/9

01:50-11:20

1 stop24h 30m

£1,226

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 25/8

13:20-20:49

2 stops40h 29m

Anchorage

Mon 1/9

19:46-10:10

2 stops29h 24m

£1,248

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 27/11

14:55-02:57

1 stop21h 02m

Fairbanks

Mon 1/12

12:19-12:20

1 stop15h 01m

£1,380

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 April. Flight prices, which tend to average around £796, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in April, then February is your next best option. Flight prices from London to Alaska during February average around £809.

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 £835. 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 £1,116.

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 £782. 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 £1,072 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 £1,138 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 £797 on momondo.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 47% 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	£379
Fastest flight time	13h 05m
Direct flights	None
Airports in Alaska	2 airports

The best one-way flight to Alaska from London in the past 72 hours is £379. The best return flight deal from London to Alaska found on momondo in the last 72 hours is £615.

The fastest flight from London to Alaska takes 13h 05m

There are no direct flights from London to Alaska. Popular non-direct routes for this connection are London City Airport - Anchorage Airport, London Gatwick Airport - Anchorage Airport and London Heathrow Airport - Anchorage Airport.

There are 2 airports near Alaska: Anchorage (ANC), Fairbanks (FAI)

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 August 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
Scandinavian Airlines	PriceFrom £545	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom £645	Free Cancellation	Rating 7.0 520 reviews	Search Icelandair flights
British Airways	PriceFrom £720	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Lufthansa	PriceFrom £759	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £1,057	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom £1,082	Free Cancellation	Rating 7.4 8,900 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.