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

Alaska Airlines, Lufthansa, and Virgin Atlantic 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 September 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.

£481 Cheap Flights from London Heathrow Airport to Alaska in 2026/27

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.

12:15 - 22:46LHR London Heathrow-ANC Anchorage

19h 31m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

01:48 - 10:50ANC Anchorage-LHR London Heathrow

24h 02m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£599Multiple Airlines

Thu, 5 Nov - Wed, 11 Nov

14:45 - 22:46LHR London Heathrow-ANC Anchorage

17h 01m1 stop Seattle/Tacoma Intl

09:03 - 12:20ANC Anchorage-LHR London Heathrow

18h 17m1 stop Seattle/Tacoma Intl

£655Alaska Airlines

Thu, 5 Nov - Thu, 12 Nov

14:45 - 23:44LHR London Heathrow-ANC Anchorage

17h 59m1 stop Seattle/Tacoma Intl

02:55 - 12:20ANC Anchorage-LHR London Heathrow

24h 25m1 stop Seattle/Tacoma Intl

£657Alaska Airlines

Tue, 10 Nov - Mon, 16 Nov

12:20 - 20:48LHR London Heathrow-ANC Anchorage

17h 28m1 stop Seattle/Tacoma Intl

02:55 - 07:05ANC Anchorage-LHR London Heathrow

19h 10m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

£669Multiple Airlines

Tue, 10 Nov - Mon, 16 Nov

14:45 - 23:39LHR London Heathrow-ANC Anchorage

16h 54m1 stop Seattle/Tacoma Intl

06:45 - 12:20ANC Anchorage-LHR London Heathrow

20h 35m1 stop Seattle/Tacoma Intl

£673Alaska Airlines

Tue, 27 Oct - Thu, 12 Nov

12:20 - 20:51LHR London Heathrow-ANC Anchorage

16h 31m1 stop Seattle/Tacoma Intl

01:48 - 07:05ANC Anchorage-LHR London Heathrow

20h 17m2 stops Seattle/Tacoma Intl Minneapolis St Paul

£682Multiple Airlines

Tue, 27 Oct - Wed, 11 Nov

12:20 - 21:28LHR London Heathrow-JNU Juneau Intl

18h 08m2 stops Seattle/Tacoma Intl Ketchikan

07:14 - 10:40JNU Juneau Intl-LHR London Heathrow

18h 26m2 stops Ketchikan Seattle/Tacoma Intl

£689Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

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

19h 07m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

09:00 - 10:50ANC Anchorage-LHR London Heathrow

16h 50m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£719Icelandair

Mon, 1 Feb - Tue, 9 Feb

12:15 - 22:48LHR London Heathrow-ANC Anchorage

18h 33m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

08:00 - 19:30ANC Anchorage-LHR London Heathrow

26h 30m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£811Icelandair

Thu, 29 Oct - Fri, 13 Nov

12:15 - 22:48LHR London Heathrow-ANC Anchorage

18h 33m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

08:00 - 10:50ANC Anchorage-LHR London Heathrow

17h 50m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£811Icelandair

Thu, 29 Oct - Thu, 12 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:00 - 01:37LHR London Heathrow-FAI Fairbanks

17h 37m1 stop Seattle/Tacoma Intl

05:36 - 15:05FAI Fairbanks-LHR London Heathrow

24h 29m1 stop Seattle/Tacoma Intl

£1,094Alaska Airlines

Mon, 5 Oct - Mon, 12 Oct

17:00 - 01:37LHR London Heathrow-FAI Fairbanks

17h 37m1 stop Seattle/Tacoma Intl

09:44 - 15:05FAI Fairbanks-LHR London Heathrow

20h 21m2 stops Anchorage Seattle/Tacoma Intl

£1,184Alaska Airlines

Mon, 5 Oct - Mon, 12 Oct

17:00 - 17:48LHR London Heathrow-FAI Fairbanks

33h 48m3 stops Seattle/Tacoma Intl Portland Anchorage

05:36 - 15:05FAI Fairbanks-LHR London Heathrow

24h 29m1 stop Seattle/Tacoma Intl

£1,193Alaska Airlines

Mon, 5 Oct - Mon, 12 Oct

17:00 - 19:36LHR London Heathrow-FAI Fairbanks

35h 36m3 stops Seattle/Tacoma Intl Portland Anchorage

05:09 - 15:05FAI Fairbanks-LHR London Heathrow

24h 56m2 stops Anchorage Seattle/Tacoma Intl

£1,261Alaska Airlines

Mon, 5 Oct - Mon, 12 Oct

17:00 - 23:39LHR London Heathrow-ANC Anchorage

15h 39m1 stop Seattle/Tacoma Intl

14:39 - 15:05ANC Anchorage-LHR London Heathrow

15h 26m1 stop Seattle/Tacoma Intl

£1,563Alaska Airlines

Wed, 30 Sep - Tue, 6 Oct

08:55 - 19:13LHR London Heathrow-ANC Anchorage

19h 18m1 stop Dallas/Fort Worth

20:22 - 13:25ANC Anchorage-LHR London Heathrow

32h 03m2 stops Dallas/Fort Worth Barcelona-El Prat

£1,836British Airways

Wed, 30 Sep - Tue, 6 Oct

06:15 - 20:49LHR London Heathrow-ANC Anchorage

23h 34m2 stops Madrid Barajas Chicago O'Hare Intl

20:22 - 13:25ANC Anchorage-LHR London Heathrow

32h 03m2 stops Dallas/Fort Worth Barcelona-El Prat

£2,055British Airways

Wed, 30 Sep - Tue, 6 Oct

09:50 - 17:29LHR London Heathrow-ANC Anchorage

16h 39m1 stop Seattle/Tacoma Intl

21:54 - 06:50ANC Anchorage-LHR London Heathrow

23h 56m1 stop Chicago O'Hare Intl

£2,131British Airways

Sat, 3 Oct - Sat, 3 Oct

06:55 - 19:57LHR London Heathrow-ANC Anchorage

22h 02m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

23:45 - 10:40ANC Anchorage-LHR London Heathrow

25h 55m2 stops Denver Intl Washington, D.C. Dulles Intl

£4,114United Airlines

Sat, 3 Oct - Sat, 3 Oct

07:25 - 19:57LHR London Heathrow-ANC Anchorage

21h 32m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

23:45 - 09:40ANC Anchorage-LHR London Heathrow

24h 55m1 stop Denver Intl

£4,114United Airlines

Sat, 3 Oct - Sat, 3 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from London Heathrow Airport to Alaska

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

Alaska Airlines

5 Nov

LHR14:45London Heathrow

17h 01m

1 stop

ANC22:46Anchorage

12 Nov

ANC09:03Anchorage

18h 17m

1 stop

LHR12:20London Heathrow

£655

Alaska Airlines

10 Nov

LHR14:45London Heathrow

17h 59m

1 stop

ANC23:44Anchorage

16 Nov

ANC02:55Anchorage

24h 25m

1 stop

LHR12:20London Heathrow

£657

Alaska Airlines

27 Oct

LHR14:45London Heathrow

16h 54m

1 stop

ANC23:39Anchorage

12 Nov

ANC06:45Anchorage

20h 35m

1 stop

LHR12:20London Heathrow

£673

British Airways flights from London Heathrow Airport to Alaska

Our best British Airways deals on London Heathrow Airport to Alaska flight tickets

British Airways

9 Oct

LHR08:55London Heathrow

19h 22m

1 stop

ANC19:17Anchorage

10 Oct

ANC20:22Anchorage

33h 03m

1 stop

LHR14:25London Heathrow

£1,292

British Airways

14 Oct

LHR08:55London Heathrow

19h 22m

1 stop

ANC19:17Anchorage

17 Oct

ANC20:22Anchorage

24h 58m

1 stop

LHR06:20London Heathrow

£1,338

British Airways

14 Oct

LHR08:55London Heathrow

19h 22m

1 stop

ANC19:17Anchorage

17 Oct

ANC20:22Anchorage

27h 43m

1 stop

LHR09:05London Heathrow

£1,340

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

Thu 5/11

12:15-22:46

2 stops19h 31m

Anchorage

Wed 11/11

01:48-10:50

2 stops24h 02m

£599

Fastest return journey

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 5/11

14:45-22:46

1 stop17h 01m

Anchorage

Thu 12/11

09:03-12:20

1 stop18h 17m

£655

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Tue 10/11

14:45-23:44

1 stop17h 59m

Anchorage

Mon 16/11

02:55-12:20

1 stop24h 25m

£657

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Tue 10/11

12:20-20:48

1 stop17h 28m

Anchorage

Mon 16/11

02:55-07:05

2 stops19h 10m

£669

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Tue 27/10

14:45-23:39

1 stop16h 54m

Anchorage

Thu 12/11

06:45-12:20

1 stop20h 35m

£673

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Tue 27/10

12:20-20:51

1 stop16h 31m

Anchorage

Wed 11/11

01:48-07:05

2 stops20h 17m

£682

LondonJuneau

LHR London Heathrow - JNU Juneau Intl

LHRJNU

London Heathrow

Mon 9/11

12:20-21:28

2 stops18h 08m

Juneau Intl

Mon 16/11

07:14-10:40

2 stops18h 26m

£689

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Mon 1/2

12:15-22:22

2 stops19h 07m

Anchorage

Tue 9/2

09:00-10:50

2 stops16h 50m

£719

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 29/10

12:15-22:48

2 stops18h 33m

Anchorage

Fri 13/11

08:00-19:30

2 stops26h 30m

£811

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 29/10

12:15-22:48

2 stops18h 33m

Anchorage

Thu 12/11

08:00-10:50

2 stops17h 50m

£811

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 December. 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 December, then March is your next best option. Flight prices from London Heathrow Airport to Alaska during March average around £0.

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

You could potentially save up to 4% 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

Best price found	£481
Fastest flight time	16h 37m
Direct flights	None

The best one-way flight to Alaska from London Heathrow Airport in the past 72 hours is £481. The best return flight deal from London Heathrow Airport to Alaska found on momondo in the last 72 hours is £599.

The fastest flight from London Heathrow Airport to Alaska takes 16h 37m

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 September 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 £640	Free Cancellation	Rating 6.9 755 reviews		Search Icelandair flights
Alaska Airlines	PriceFrom £843	Free Cancellation	Rating 7.9 12,986 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.