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

Alaska Airlines, Icelandair, and British Airways are the most popular carriers operating from London Heathrow to Alaska

When did momondo last update prices for flights from London Heathrow Airport to Alaska?

Prices for flights from London Heathrow Airport to Alaska are updated daily.

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

There are 2 operators available for flights from London Heathrow Airport to Alaska as of June 2026.

How old do you have to be to fly from London Heathrow Airport to Alaska?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Alaska.

What documentation or ID do you need to fly to Alaska?

The travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£456 Cheap Flights from London Heathrow Airport to Alaska in 2026

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Find the cheapest flights from London Heathrow Airport to Alaska

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:40 - 20:15

LHR

ANC

22h 35m

2 stops

06:00 - 16:25

ANC

LHR

25h 25m

3 stops

£748Scandinavian Airlines

Fri, 11 Sep - Sun, 20 Sep

07:05 - 20:15

LHR

ANC

22h 10m

3 stops

08:00 - 16:25

ANC

LHR

23h 25m

3 stops

£751Scandinavian Airlines

Fri, 11 Sep - Sun, 20 Sep

08:20 - 00:17

LHR

ANC

24h 57m

1 stop

14:28 - 15:35

ANC

LHR

16h 07m

1 stop

£793Multiple Airlines

Fri, 11 Sep - Sun, 20 Sep

08:40 - 00:17

LHR

ANC

24h 37m

2 stops

16:01 - 15:05

ANC

LHR

14h 04m

1 stop

£797Multiple Airlines

Fri, 11 Sep - Sun, 20 Sep

06:40 - 20:15

LHR

ANC

22h 35m

2 stops

08:00 - 21:40

ANC

LHR

28h 40m

2 stops

£834Scandinavian Airlines

Fri, 11 Sep - Sun, 20 Sep

12:00 - 22:48

LHR

ANC

19h 48m

2 stops

15:58 - 15:05

ANC

LHR

14h 07m

1 stop

£843Multiple Airlines

Mon, 5 Oct - Mon, 19 Oct

21:25 - 22:48

LHR

ANC

34h 23m

2 stops

09:05 - 20:20

ANC

LHR

26h 15m

2 stops

£886Icelandair

Thu, 15 Oct - Mon, 19 Oct

21:25 - 22:48

LHR

ANC

34h 23m

2 stops

12:22 - 20:20

ANC

LHR

22h 58m

2 stops

£891Icelandair

Mon, 5 Oct - Mon, 19 Oct

14:45 - 01:51

LHR

FAI

20h 06m

1 stop

05:30 - 12:20

FAI

LHR

21h 50m

1 stop

£1,080Alaska Airlines

Thu, 5 Nov - Thu, 19 Nov

14:45 - 11:04

LHR

FAI

29h 19m

2 stops

05:30 - 12:20

FAI

LHR

21h 50m

1 stop

£1,081Alaska Airlines

Thu, 5 Nov - Thu, 19 Nov

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Icelandair flights from London Heathrow Airport to Alaska

Our best Icelandair deals on London Heathrow Airport to Alaska flight tickets

Icelandair

15 Oct

LHR21:25London Heathrow

34h 23m

2 stops

ANC22:48Anchorage

19 Oct

ANC09:05Anchorage

26h 15m

2 stops

LHR20:20London Heathrow

£886

Icelandair

5 Oct

LHR21:25London Heathrow

34h 23m

2 stops

ANC22:48Anchorage

19 Oct

ANC12:22Anchorage

22h 58m

2 stops

LHR20:20London Heathrow

£891

Icelandair

15 Oct

LHR21:25London Heathrow

34h 23m

2 stops

ANC22:48Anchorage

19 Oct

ANC09:05Anchorage

26h 15m

2 stops

LHR20:20London Heathrow

£932

Alaska Airlines flights from London Heathrow Airport to Alaska

Our best Alaska Airlines deals on London Heathrow Airport to Alaska flight tickets

Alaska Airlines

15 Oct

LHR17:00London Heathrow

16h 51m

1 stop

ANC00:51Anchorage

19 Oct

ANC15:58Anchorage

14h 07m

1 stop

LHR15:05London Heathrow

£1,013

Alaska Airlines

15 Oct

LHR17:00London Heathrow

16h 51m

1 stop

ANC00:51Anchorage

19 Oct

ANC15:58Anchorage

14h 07m

1 stop

LHR15:05London Heathrow

£1,022

Alaska Airlines

15 Oct

LHR17:00London Heathrow

16h 51m

1 stop

ANC00:51Anchorage

19 Oct

ANC15:58Anchorage

14h 07m

1 stop

LHR15:05London Heathrow

£1,027

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/9

06:40-20:15

2 stops22h 35m

Anchorage

Sun 20/9

06:00-16:25

3 stops25h 25m

£748

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/9

07:05-20:15

3 stops22h 10m

Anchorage

Sun 20/9

08:00-16:25

3 stops23h 25m

£751

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/9

08:20-00:17

1 stop24h 57m

Anchorage

Sun 20/9

14:28-15:35

1 stop16h 07m

£793

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/9

08:40-00:17

2 stops24h 37m

Anchorage

Sun 20/9

16:01-15:05

1 stop14h 04m

£797

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/9

06:40-20:15

2 stops22h 35m

Anchorage

Sun 20/9

08:00-21:40

2 stops28h 40m

£834

Fastest return journey

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 5/10

12:00-22:48

2 stops19h 48m

Anchorage

Mon 19/10

15:58-15:05

1 stop14h 07m

£843

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 15/10

21:25-22:48

2 stops34h 23m

Anchorage

Mon 19/10

09:05-20:20

2 stops26h 15m

£886

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 5/10

21:25-22:48

2 stops34h 23m

Anchorage

Mon 19/10

12:22-20:20

2 stops22h 58m

£891

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 5/11

14:45-01:51

1 stop20h 06m

Fairbanks

Thu 19/11

05:30-12:20

1 stop21h 50m

£1,080

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 5/11

14:45-11:04

2 stops29h 19m

Fairbanks

Thu 19/11

05:30-12:20

1 stop21h 50m

£1,081

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 Heathrow Airport 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 Heathrow Airport is in March. Flight prices, which tend to average around £0, 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 February is your next best option. Flight prices from London Heathrow Airport to Alaska during February average around £639.

Can stopping save me money on London Heathrow Airport to Alaska flights?

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Alaska flight.

Cheap London Heathrow Airport to Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Alaska

Fastest flight time	18h 37m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 18h 37m

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

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Frequently asked questions about flying from London Heathrow Airport to Alaska

When did momondo last update prices for flights from London Heathrow Airport to Alaska?
Prices for flights from London Heathrow Airport to Alaska are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Alaska?
There are 2 operators available for flights from London Heathrow Airport to Alaska as of June 2026.
How old do you have to be to fly from London Heathrow Airport to Alaska?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Alaska

Compare and see reviews for airlines that fly from London Heathrow Airport to Alaska with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £662	Free Cancellation	Rating 7.0 679 reviews		Search Icelandair flights
Virgin Atlantic	PriceFrom £1,088	Free Cancellation	Rating 7.5 690 reviews		Search Virgin Atlantic flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Alaska?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Alaska . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Alaska with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Alaska from London with this policy.

How can momondo help me find flights from London to Alaska?

momondo provides multiple filters to help you find the best flight to Alaska from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.