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

Icelandair, Iberia, and Alaska Airlines 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 May 2026, there are 2 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.

£478 Cheap Flights from London to Alaska in 2026

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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.

10:20 - 14:50

LGW

ANC

13h 30m

1 stop

17:05 - 14:40

ANC

LGW

12h 35m

1 stop

£597Condor

Sat, 30 May - Mon, 8 Jun

10:20 - 14:50

LGW

ANC

13h 30m

1 stop

17:05 - 18:50

ANC

LGW

16h 45m

1 stop

£601Condor

Sat, 13 Jun - Thu, 25 Jun

21:25 - 01:36

LHR

ANC

37h 11m

2 stops

09:05 - 20:20

ANC

LHR

26h 15m

2 stops

£729Icelandair

Sat, 26 Sep - Wed, 7 Oct

15:40 - 01:36

LGW

ANC

18h 56m

2 stops

09:45 - 14:40

ANC

LGW

19h 55m

2 stops

£730Multiple Airlines

Tue, 1 Sep - Wed, 30 Sep

10:20 - 14:50

LGW

ANC

13h 30m

1 stop

09:05 - 18:50

ANC

LGW

24h 45m

2 stops

£731Multiple Airlines

Sat, 30 May - Mon, 8 Jun

13:05 - 01:36

LHR

ANC

21h 31m

2 stops

06:05 - 11:55

ANC

LHR

20h 50m

2 stops

£741Icelandair

Tue, 1 Sep - Tue, 8 Sep

06:40 - 01:35

LHR

ANC

27h 55m

3 stops

06:00 - 17:40

ANC

LHR

26h 40m

2 stops

£769Scandinavian Airlines

Fri, 18 Sep - Sat, 26 Sep

06:40 - 22:22

LHR

ANC

24h 42m

3 stops

06:00 - 18:50

ANC

LHR

27h 50m

3 stops

£842Scandinavian Airlines

Fri, 18 Sep - Sat, 26 Sep

20:15 - 20:59

LCY

ANC

33h 44m

2 stops

06:10 - 07:55

ANC

LCY

16h 45m

2 stops

£1,138Virgin Atlantic

Tue, 1 Sep - Wed, 30 Sep

10:00 - 01:35

LCY

ANC

24h 35m

2 stops

06:10 - 09:30

ANC

LCY

18h 20m

2 stops

£1,211Virgin Atlantic

Tue, 1 Sep - Mon, 14 Sep

Alaska Airlines flights from London to Alaska

Our best Alaska Airlines deals on London to Alaska flight tickets

Alaska Airlines

1 Sept

LHR17:00London Heathrow

16h 47m

1 stop

ANC00:47Anchorage

8 Sept

ANC06:05Anchorage

24h 00m

1 stop

LHR15:05London Heathrow

£960

Alaska Airlines

3 Jun

LHR17:00London Heathrow

37h 00m

2 stops

FAI21:00Fairbanks

4 Jul

FAI05:31Fairbanks

24h 34m

1 stop

LHR15:05London Heathrow

£1,112

Alaska Airlines

8 Jun

LHR17:00London Heathrow

24h 10m

2 stops

FAI08:10Fairbanks

15 Jun

FAI15:53Fairbanks

14h 12m

1 stop

LHR15:05London Heathrow

£1,129

Air Canada flights from London to Alaska

Our best Air Canada deals on London to Alaska flight tickets

Air Canada

1 Sept

LHR14:05London Heathrow

32h 33m

3 stops

ANC13:38Anchorage

8 Sept

ANC14:40Anchorage

36h 10m

2 stops

LHR11:50London Heathrow

£988

Air Canada

7 Sept

LHR12:40London Heathrow

33h 55m

3 stops

ANC13:35Anchorage

13 Sept

ANC14:40Anchorage

36h 10m

2 stops

LHR11:50London Heathrow

£991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 30/5

10:20-14:50

1 stop13h 30m

Anchorage

Mon 8/6

17:05-14:40

1 stop12h 35m

£597

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 13/6

10:20-14:50

1 stop13h 30m

Anchorage

Thu 25/6

17:05-18:50

1 stop16h 45m

£601

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 26/9

21:25-01:36

2 stops37h 11m

Anchorage

Wed 7/10

09:05-20:20

2 stops26h 15m

£729

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 1/9

15:40-01:36

2 stops18h 56m

Anchorage

Wed 30/9

09:45-14:40

2 stops19h 55m

£730

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 30/5

10:20-14:50

1 stop13h 30m

Anchorage

Mon 8/6

09:05-18:50

2 stops24h 45m

£731

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

13:05-01:36

2 stops21h 31m

Anchorage

Tue 8/9

06:05-11:55

2 stops20h 50m

£741

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 18/9

06:40-01:35

3 stops27h 55m

Anchorage

Sat 26/9

06:00-17:40

2 stops26h 40m

£769

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 18/9

06:40-22:22

3 stops24h 42m

Anchorage

Sat 26/9

06:00-18:50

3 stops27h 50m

£842

LondonAnchorage

LCY - ANC

LCYANC

London City

Tue 1/9

20:15-20:59

2 stops33h 44m

Anchorage

Wed 30/9

06:10-07:55

2 stops16h 45m

£1,138

LondonAnchorage

LCY - ANC

LCYANC

London City

Tue 1/9

10:00-01:35

2 stops24h 35m

Anchorage

Mon 14/9

06:10-09:30

2 stops18h 20m

£1,211

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 March. Flight prices, which tend to average around £354, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in March, then July is your next best option. Flight prices from London to Alaska during July average around £379.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 8% 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	13h 30m
Direct flights	None

The fastest flight from London to Alaska takes 13h 30m

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 are refreshed on a daily basis.
How many operators does momondo search for flights from London to Alaska?
As of May 2026, there are 2 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 £646	Free Cancellation	Rating 7.0 654 reviews		Search Icelandair flights
Virgin Atlantic	PriceFrom £1,065	Free Cancellation	Rating 7.4 688 reviews		Search Virgin Atlantic 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.