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

Lufthansa and Icelandair 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 August 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.

£448 Cheap Flights from London Heathrow Airport to Alaska in 2026

Find the cheapest flights from London Heathrow Airport to Alaska

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:00 - 20:15LHR London Heathrow-ANC Anchorage

36h 15m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

08:00 - 09:20ANC Anchorage-LHR London Heathrow

40h 20m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£549Scandinavian Airlines

Sat, 19 Sep - Sat, 26 Sep

06:40 - 20:12LHR London Heathrow-ANC Anchorage

22h 32m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

06:12 - 13:35ANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£560Scandinavian Airlines

Fri, 4 Sep - Fri, 18 Sep

18:40 - 20:15LHR London Heathrow-ANC Anchorage

34h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

06:12 - 13:35ANC Anchorage-LHR London Heathrow

22h 23m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£565Scandinavian Airlines

Fri, 11 Sep - Fri, 18 Sep

17:00 - 00:27LHR London Heathrow-ANC Anchorage

40h 27m2 stops Kastrup Copenhagen Seattle/Tacoma Intl

06:12 - 09:20ANC Anchorage-LHR London Heathrow

42h 08m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

£571Scandinavian Airlines

Sat, 19 Sep - Sat, 26 Sep

14:45 - 02:36LHR London Heathrow-FAI Fairbanks

20h 51m1 stop Seattle/Tacoma Intl

16:11 - 12:20FAI Fairbanks-LHR London Heathrow

35h 09m2 stops Anchorage Seattle/Tacoma Intl

£929Alaska Airlines

Mon, 23 Nov - Mon, 28 Dec

17:00 - 01:39LHR London Heathrow-ANC Anchorage

17h 39m1 stop Seattle/Tacoma Intl

01:59 - 15:05ANC Anchorage-LHR London Heathrow

28h 06m1 stop Seattle/Tacoma Intl

£972Alaska Airlines

Thu, 8 Oct - Tue, 13 Oct

13:05 - 01:38LHR London Heathrow-ANC Anchorage

21h 33m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:07 - 20:20ANC Anchorage-LHR London Heathrow

26h 13m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£1,017Icelandair

Wed, 2 Sep - Wed, 9 Sep

21:25 - 22:45LHR London Heathrow-ANC Anchorage

34h 20m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:07 - 11:55ANC Anchorage-LHR London Heathrow

17h 48m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£1,037Icelandair

Thu, 3 Sep - Mon, 7 Sep

17:00 - 01:38LHR London Heathrow-ANC Anchorage

17h 38m1 stop Seattle/Tacoma Intl

14:35 - 15:05ANC Anchorage-LHR London Heathrow

15h 30m1 stop Seattle/Tacoma Intl

£1,057Alaska Airlines

Mon, 21 Sep - Sun, 27 Sep

21:25 - 16:06LHR London Heathrow-ANC Anchorage

27h 41m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

17:09 - 11:55ANC Anchorage-LHR London Heathrow

33h 46m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£1,085Icelandair

Thu, 20 Aug - Sat, 5 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:30 - 14:50LHR London Heathrow-ANC Anchorage

14h 20m1 stop Frankfurt am Main

16:50 - 14:40ANC Anchorage-LHR London Heathrow

12h 50m1 stop Frankfurt am Main

£4,797Multiple Airlines

Sat, 15 Aug - Sat, 29 Aug

09:30 - 14:50LHR London Heathrow-ANC Anchorage

14h 20m1 stop Frankfurt am Main

17:05 - 18:40ANC Anchorage-LHR London Heathrow

16h 35m1 stop Frankfurt am Main

£4,961Multiple Airlines

Sat, 15 Aug - Thu, 27 Aug

09:30 - 14:50LHR London Heathrow-ANC Anchorage

14h 20m1 stop Frankfurt am Main

17:05 - 18:40ANC Anchorage-LHR London Heathrow

16h 35m1 stop Frankfurt am Main

£4,980Multiple Airlines

Sat, 15 Aug - Mon, 31 Aug

17:00 - 00:41LHR London Heathrow-ANC Anchorage

16h 41m1 stop Seattle/Tacoma Intl

15:59 - 15:05ANC Anchorage-LHR London Heathrow

14h 06m1 stop Seattle/Tacoma Intl

£5,911Alaska Airlines

Sat, 15 Aug - Tue, 1 Sep

08:00 - 04:41LHR London Heathrow-ANC Anchorage

29h 41m2 stops Lisbon Humberto Delgado Chicago O'Hare Intl

17:05 - 16:40ANC Anchorage-LHR London Heathrow

14h 35m1 stop Frankfurt am Main

£6,617Multiple Airlines

Sat, 15 Aug - Thu, 27 Aug

08:00 - 04:41LHR London Heathrow-ANC Anchorage

29h 41m2 stops Lisbon Humberto Delgado Chicago O'Hare Intl

16:50 - 16:40ANC Anchorage-LHR London Heathrow

14h 50m1 stop Frankfurt am Main

£6,652Multiple Airlines

Sat, 15 Aug - Sat, 29 Aug

17:00 - 01:37LHR London Heathrow-ANC Anchorage

17h 37m1 stop Seattle/Tacoma Intl

12:22 - 15:05ANC Anchorage-LHR London Heathrow

17h 43m1 stop Seattle/Tacoma Intl

£7,190Alaska Airlines

Sat, 15 Aug - Wed, 2 Sep

17:00 - 00:41LHR London Heathrow-ANC Anchorage

16h 41m1 stop Seattle/Tacoma Intl

16:07 - 15:05ANC Anchorage-LHR London Heathrow

13h 58m1 stop Seattle/Tacoma Intl

£7,308Alaska Airlines

Sat, 15 Aug - Fri, 28 Aug

08:00 - 04:41LHR London Heathrow-ANC Anchorage

29h 41m2 stops Lisbon Humberto Delgado Chicago O'Hare Intl

15:59 - 15:05ANC Anchorage-LHR London Heathrow

14h 06m1 stop Seattle/Tacoma Intl

£8,647Multiple Airlines

Sat, 15 Aug - Tue, 1 Sep

16:25 - 22:32LHR London Heathrow-ANC Anchorage

39h 07m1 stop Dallas/Fort Worth

10:23 - 15:10ANC Anchorage-LHR London Heathrow

19h 47m2 stops Seattle/Tacoma Intl Helsinki-Vantaa

£11,710Finnair

Sat, 15 Aug - Mon, 31 Aug

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Scandinavian Airlines flights from London Heathrow Airport to Alaska

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

Scandinavian Airlines

19 Sept

LHR17:00London Heathrow

36h 15m

2 stops

ANC20:15Anchorage

26 Sept

ANC08:00Anchorage

40h 20m

2 stops

LHR09:20London Heathrow

£549

Scandinavian Airlines

4 Sept

LHR06:40London Heathrow

22h 32m

2 stops

ANC20:12Anchorage

18 Sept

ANC06:12Anchorage

22h 23m

2 stops

LHR13:35London Heathrow

£560

Scandinavian Airlines

11 Sept

LHR18:40London Heathrow

34h 35m

2 stops

ANC20:15Anchorage

18 Sept

ANC06:12Anchorage

22h 23m

2 stops

LHR13:35London Heathrow

£565

Icelandair flights from London Heathrow Airport to Alaska

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

Icelandair

2 Sept

LHR13:05London Heathrow

21h 33m

2 stops

ANC01:38Anchorage

9 Sept

ANC09:07Anchorage

26h 13m

2 stops

LHR20:20London Heathrow

£1,017

Icelandair

3 Sept

LHR21:25London Heathrow

34h 20m

2 stops

ANC22:45Anchorage

7 Sept

ANC09:07Anchorage

17h 48m

2 stops

LHR11:55London Heathrow

£1,037

Icelandair

20 Aug

LHR21:25London Heathrow

27h 41m

2 stops

ANC16:06Anchorage

5 Sept

ANC17:09Anchorage

33h 46m

2 stops

LHR11:55London Heathrow

£1,085

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 London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 19/9

17:00-20:15

2 stops36h 15m

Anchorage

Sat 26/9

08:00-09:20

2 stops40h 20m

£549

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 4/9

06:40-20:12

2 stops22h 32m

Anchorage

Fri 18/9

06:12-13:35

2 stops22h 23m

£560

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 11/9

18:40-20:15

2 stops34h 35m

Anchorage

Fri 18/9

06:12-13:35

2 stops22h 23m

£565

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 19/9

17:00-00:27

2 stops40h 27m

Anchorage

Sat 26/9

06:12-09:20

2 stops42h 08m

£571

LondonFairbanks

LHR London Heathrow - FAI Fairbanks

LHRFAI

London Heathrow

Mon 23/11

14:45-02:36

1 stop20h 51m

Fairbanks

Mon 28/12

16:11-12:20

2 stops35h 09m

£929

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 8/10

17:00-01:39

1 stop17h 39m

Anchorage

Tue 13/10

01:59-15:05

1 stop28h 06m

£972

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Wed 2/9

13:05-01:38

2 stops21h 33m

Anchorage

Wed 9/9

09:07-20:20

2 stops26h 13m

£1,017

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 3/9

21:25-22:45

2 stops34h 20m

Anchorage

Mon 7/9

09:07-11:55

2 stops17h 48m

£1,037

Fastest return journey

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Mon 21/9

17:00-01:38

1 stop17h 38m

Anchorage

Sun 27/9

14:35-15:05

1 stop15h 30m

£1,057

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 20/8

21:25-16:06

2 stops27h 41m

Anchorage

Sat 5/9

17:09-11:55

2 stops33h 46m

£1,085

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 January is your next best option. Flight prices from London Heathrow Airport to Alaska during January average around £685.

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

You could potentially save up to 25% 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 19m
Direct flights	None

The fastest flight from London Heathrow Airport to Alaska takes 18h 19m

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

Search flight deals

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 August 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 £627	Free Cancellation	Rating 6.9 728 reviews		Search Icelandair flights
Alaska Airlines	PriceFrom £827	Free Cancellation	Rating 7.9 12,794 reviews		Search Alaska Airlines 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.