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

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Alaska to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Alaska, such as Anchorage or Fairbanks, and flying into London Heathrow Airport, then you can expect flight times to average 14h 30m and 16h 05m, respectively.

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

Prices for flights from Alaska to London Heathrow Airport refresh daily.

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

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 Alaska to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport 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 London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£248 Cheap Flights from Alaska to London Heathrow Airport in 2026

Find the cheapest flights from Alaska to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:51 - 11:20ANC Anchorage-LHR London Heathrow

14h 29m1 stop Seattle/Tacoma Intl

06:30 - 20:41LHR London Heathrow-ANC Anchorage

23h 11m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£646Virgin Atlantic

Sun, 20 Sep - Tue, 6 Oct

02:58 - 12:20ANC Anchorage-LHR London Heathrow

24h 22m1 stop Seattle/Tacoma Intl

14:45 - 00:25LHR London Heathrow-ANC Anchorage

18h 40m1 stop Seattle/Tacoma Intl

£659Alaska Airlines

Sun, 10 Jan - Fri, 15 Jan

01:35 - 06:25FAI Fairbanks-LHR London Heathrow

19h 50m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

08:40 - 00:45LHR London Heathrow-FAI Fairbanks

25h 05m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£662Delta

Sat, 3 Oct - Tue, 13 Oct

10:00 - 12:20ANC Anchorage-LHR London Heathrow

17h 20m1 stop Seattle/Tacoma Intl

14:45 - 09:49LHR London Heathrow-ANC Anchorage

28h 04m2 stops Seattle/Tacoma Intl Juneau Intl

£662Alaska Airlines

Mon, 11 Jan - Fri, 15 Jan

08:00 - 11:20ANC Anchorage-LHR London Heathrow

18h 20m1 stop Seattle/Tacoma Intl

08:40 - 20:56LHR London Heathrow-ANC Anchorage

21h 16m2 stops Amsterdam Schiphol Minneapolis St Paul

£663Delta

Mon, 28 Sep - Tue, 24 Nov

19:45 - 06:25ANC Anchorage-LHR London Heathrow

25h 40m1 stop Atlanta Hartsfield-Jackson

06:30 - 20:56LHR London Heathrow-ANC Anchorage

23h 26m2 stops Amsterdam Schiphol Minneapolis St Paul

£665Delta

Sat, 7 Nov - Tue, 17 Nov

01:32 - 06:20ANC Anchorage-LHR London Heathrow

19h 48m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

06:30 - 20:56LHR London Heathrow-ANC Anchorage

23h 26m2 stops Amsterdam Schiphol Minneapolis St Paul

£667Delta

Tue, 29 Sep - Thu, 26 Nov

06:00 - 13:15ANC Anchorage-LHR London Heathrow

22h 15m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

09:55 - 20:41LHR London Heathrow-ANC Anchorage

19h 46m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£668Delta

Sun, 20 Sep - Tue, 6 Oct

06:00 - 09:00ANC Anchorage-LHR London Heathrow

18h 00m2 stops Minneapolis St Paul Amsterdam Schiphol

06:30 - 20:56LHR London Heathrow-ANC Anchorage

23h 26m2 stops Amsterdam Schiphol Minneapolis St Paul

£670KLM

Wed, 30 Sep - Fri, 27 Nov

11:51 - 11:20ANC Anchorage-LHR London Heathrow

14h 29m1 stop Seattle/Tacoma Intl

12:25 - 20:59LHR London Heathrow-ANC Anchorage

17h 34m1 stop Minneapolis St Paul

£671Virgin Atlantic

Sun, 20 Sep - Tue, 6 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

01:00 - 09:40FAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

06:50 - 19:16LHR London Heathrow-FAI Fairbanks

21h 26m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£806United Airlines

Tue, 25 Aug - Wed, 2 Sep

01:00 - 10:00FAI Fairbanks-LHR London Heathrow

24h 00m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

06:50 - 19:16LHR London Heathrow-FAI Fairbanks

21h 26m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£808United Airlines

Tue, 25 Aug - Wed, 2 Sep

01:00 - 09:40FAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

08:00 - 19:16LHR London Heathrow-FAI Fairbanks

20h 16m1 stop Chicago O'Hare Intl

£827United Airlines

Tue, 25 Aug - Wed, 2 Sep

08:15 - 15:35ANC Anchorage-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

06:30 - 16:26LHR London Heathrow-ANC Anchorage

18h 56m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£843KLM

Thu, 27 Aug - Thu, 3 Sep

08:15 - 15:35ANC Anchorage-LHR London Heathrow

22h 20m1 stop Seattle/Tacoma Intl

17:45 - 23:55LHR London Heathrow-ANC Anchorage

15h 10m1 stop Seattle/Tacoma Intl

£864KLM

Thu, 27 Aug - Thu, 3 Sep

01:00 - 09:40FAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

11:25 - 22:59LHR London Heathrow-FAI Fairbanks

20h 34m1 stop Denver Intl

£864Lufthansa

Tue, 25 Aug - Wed, 2 Sep

01:00 - 06:45FAI Fairbanks-LHR London Heathrow

20h 45m2 stops Denver Intl Chicago O'Hare Intl

11:05 - 22:59LHR London Heathrow-FAI Fairbanks

20h 54m2 stops Chicago O'Hare Intl Denver Intl

£868SWISS

Tue, 25 Aug - Wed, 2 Sep

14:40 - 06:30ANC Anchorage-LHR London Heathrow

30h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

08:45 - 13:38LHR London Heathrow-ANC Anchorage

37h 53m2 stops Zurich Vancouver Intl

£885Multiple Airlines

Thu, 27 Aug - Thu, 3 Sep

22:00 - 13:05FAI Fairbanks-LHR London Heathrow

30h 05m1 stop Minneapolis St Paul

12:25 - 20:49LHR London Heathrow-FAI Fairbanks

17h 24m1 stop Minneapolis St Paul

£942Virgin Atlantic

Thu, 27 Aug - Mon, 31 Aug

22:00 - 13:05FAI Fairbanks-LHR London Heathrow

30h 05m1 stop Minneapolis St Paul

12:25 - 20:49LHR London Heathrow-FAI Fairbanks

17h 24m1 stop Minneapolis St Paul

£944Virgin Atlantic

Thu, 27 Aug - Mon, 31 Aug

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British Airways flights from Alaska to London Heathrow Airport

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

British Airways

8 Nov

ANC20:14Anchorage

32h 31m

2 stops

LHR13:45London Heathrow

16 Nov

LHR17:25London Heathrow

34h 44m

2 stops

ANC19:09Anchorage

£679

British Airways

27 Aug

FAI05:31Fairbanks

23h 14m

1 stop

LHR13:45London Heathrow

31 Aug

LHR09:50London Heathrow

20h 05m

1 stop

FAI20:55Fairbanks

£1,157

British Airways

27 Aug

FAI05:31Fairbanks

23h 14m

1 stop

LHR13:45London Heathrow

31 Aug

LHR07:30London Heathrow

24h 24m

2 stops

FAI22:54Fairbanks

£1,343

Air Canada flights from Alaska to London Heathrow Airport

Our best Air Canada deals on Alaska to London Heathrow Airport flight tickets

Air Canada

7 Nov

ANC20:43Anchorage

25h 27m

2 stops

LHR07:10London Heathrow

18 Nov

LHR13:00London Heathrow

39h 39m

2 stops

ANC19:39Anchorage

£682

Air Canada

2 Oct

ANC20:59Anchorage

48h 36m

2 stops

LHR06:35London Heathrow

26 Nov

LHR18:00London Heathrow

34h 39m

2 stops

ANC19:39Anchorage

£689

Air Canada

6 Nov

ANC20:43Anchorage

48h 47m

2 stops

LHR06:30London Heathrow

19 Nov

LHR13:00London Heathrow

39h 39m

2 stops

ANC19:39Anchorage

£698

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 20/9

11:51-11:20

1 stop14h 29m

London Heathrow

Tue 6/10

06:30-20:41

2 stops23h 11m

£646

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 10/1

02:58-12:20

1 stop24h 22m

London Heathrow

Fri 15/1

14:45-00:25

1 stop18h 40m

£659

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Sat 3/10

01:35-06:25

2 stops19h 50m

London Heathrow

Tue 13/10

08:40-00:45

2 stops25h 05m

£662

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 11/1

10:00-12:20

1 stop17h 20m

London Heathrow

Fri 15/1

14:45-09:49

2 stops28h 04m

£662

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 28/9

08:00-11:20

1 stop18h 20m

London Heathrow

Tue 24/11

08:40-20:56

2 stops21h 16m

£663

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 7/11

19:45-06:25

1 stop25h 40m

London Heathrow

Tue 17/11

06:30-20:56

2 stops23h 26m

£665

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 29/9

01:32-06:20

2 stops19h 48m

London Heathrow

Thu 26/11

06:30-20:56

2 stops23h 26m

£667

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 20/9

06:00-13:15

2 stops22h 15m

London Heathrow

Tue 6/10

09:55-20:41

2 stops19h 46m

£668

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 30/9

06:00-09:00

2 stops18h 00m

London Heathrow

Fri 27/11

06:30-20:56

2 stops23h 26m

£670

Fastest return journey

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 20/9

11:51-11:20

1 stop14h 29m

London Heathrow

Tue 6/10

12:25-20:59

1 stop17h 34m

£671

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 Alaska to London Heathrow Airport

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

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, April is the cheapest month to fly from Alaska to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £684. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Alaska averaging around £710.

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

You could potentially save up to 17% on your flight if you consider stops on a Alaska to London Heathrow Airport flight.

Cheap Alaska to London Heathrow Airport flight deals and tips

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

Best price found	£248
Fastest flight time	14h 30m
Direct flights	None

The best one-way flight to London Heathrow Airport from Alaska in the past 72 hours is £248. The best return flight deal from Alaska to London Heathrow Airport found on momondo in the last 72 hours is £646.

The fastest flight from Alaska to London Heathrow Airport takes 14h 30m

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

Search flight deals

Frequently asked questions about flying from Alaska to London Heathrow Airport

When did momondo last update prices for flights from Alaska to London Heathrow Airport?
Prices for flights from Alaska to London Heathrow Airport refresh daily.
How old do you have to be to fly from Alaska to London Heathrow Airport?
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 Alaska to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport 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 London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Luton

Southend-on-Sea

Slough

Northampton

Ipswich

Maidstone

Swindon

Folkestone

Hastings

Ilford

Poole

Canterbury

Chichester

Hayes

Guildford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Alaska.

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

Yes. momondo allows you to filter the results for Alaska to London flights to just show those with flexible booking policies.

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

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

I’m not ready to book a flight from Alaska to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Alaska and alert you when they change.