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

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

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

On average, it takes 14h 30m to fly from Alaska to London Heathrow Airport if you fly out of Anchorage (the most popular airport in Alaska) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Sitka and into London Heathrow Airport, then the flight time is around 16h 04m.

What airlines fly to London Heathrow Airport?

Delta, British Airways and Alaska Airlines are the top three most popular airlines that fly to London Heathrow Airport from Alaska according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Alaska to London Heathrow Airport are refreshed on a daily basis.

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

The number of operators available for flights from Alaska to London Heathrow Airport is 3 as of August 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

$339 Cheap Flights from Alaska to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alaska to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:51 am - 11:20 amANC Anchorage-LHR London Heathrow

14h 29m1 stop Seattle/Tacoma Intl

6:30 am - 8:41 pmLHR London Heathrow-ANC Anchorage

23h 11m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$882Virgin Atlantic

Sun, Sep 20 - Tue, Oct 6

2:58 am - 12:20 pmANC Anchorage-LHR London Heathrow

24h 22m1 stop Seattle/Tacoma Intl

2:45 pm - 12:25 amLHR London Heathrow-ANC Anchorage

18h 40m1 stop Seattle/Tacoma Intl

$900Alaska Airlines

Sun, Jan 10 - Fri, Jan 15

2:30 pm - 3:35 pmFAI Fairbanks-LHR London Heathrow

16h 05m1 stop Seattle/Tacoma Intl

8:40 am - 12:45 amLHR London Heathrow-FAI Fairbanks

25h 05m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$904Delta

Sun, Oct 4 - Tue, Oct 13

1:35 am - 6:25 amFAI Fairbanks-LHR London Heathrow

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

8:40 am - 12:45 amLHR London Heathrow-FAI Fairbanks

25h 05m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$904Delta

Sat, Oct 3 - Tue, Oct 13

10:00 am - 12:20 pmANC Anchorage-LHR London Heathrow

17h 20m1 stop Seattle/Tacoma Intl

2:45 pm - 9:49 amLHR London Heathrow-ANC Anchorage

28h 04m2 stops Seattle/Tacoma Intl Juneau Intl

$904Alaska Airlines

Mon, Jan 11 - Fri, Jan 15

10:00 am - 12:20 pmANC Anchorage-LHR London Heathrow

17h 20m1 stop Seattle/Tacoma Intl

2:45 pm - 9:49 amLHR London Heathrow-ANC Anchorage

28h 04m2 stops Seattle/Tacoma Intl Juneau Intl

$905Alaska Airlines

Mon, Jan 11 - Fri, Jan 15

6:30 am - 10:40 amANC Anchorage-LHR London Heathrow

19h 10m1 stop Seattle/Tacoma Intl

8:40 am - 8:56 pmLHR London Heathrow-ANC Anchorage

21h 16m2 stops Amsterdam Schiphol Minneapolis St Paul

$907KLM

Sun, Nov 8 - Tue, Nov 17

6:30 am - 10:30 amANC Anchorage-LHR London Heathrow

19h 00m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

8:40 am - 8:56 pmLHR London Heathrow-ANC Anchorage

21h 16m2 stops Amsterdam Schiphol Minneapolis St Paul

$911Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

8:14 pm - 1:45 pmANC Anchorage-LHR London Heathrow

32h 31m2 stops Dallas/Fort Worth Barcelona-El Prat

5:25 pm - 7:09 pmLHR London Heathrow-ANC Anchorage

34h 44m2 stops Madrid Barajas Dallas/Fort Worth

$927British Airways

Sun, Nov 8 - Mon, Nov 16

8:14 pm - 6:50 amANC Anchorage-LHR London Heathrow

25h 36m1 stop Dallas/Fort Worth

3:45 pm - 7:09 pmLHR London Heathrow-ANC Anchorage

36h 24m2 stops Madrid Barajas Dallas/Fort Worth

$939British Airways

Sat, Nov 7 - Mon, Nov 16

Cheap last minute flights

Enter your travel dates to find the best prices.

1:00 am - 9:40 amFAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

6:50 am - 7:16 pmLHR London Heathrow-FAI Fairbanks

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

$1,100United Airlines

Tue, Aug 25 - Wed, Sep 2

1:00 am - 10:00 amFAI Fairbanks-LHR London Heathrow

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

6:50 am - 7:16 pmLHR London Heathrow-FAI Fairbanks

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

$1,103United Airlines

Tue, Aug 25 - Wed, Sep 2

1:00 am - 9:40 amFAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

8:00 am - 7:16 pmLHR London Heathrow-FAI Fairbanks

20h 16m1 stop Chicago O'Hare Intl

$1,129United Airlines

Tue, Aug 25 - Wed, Sep 2

1:00 am - 9:40 amFAI Fairbanks-LHR London Heathrow

23h 40m1 stop Denver Intl

11:25 am - 10:59 pmLHR London Heathrow-FAI Fairbanks

20h 34m1 stop Denver Intl

$1,179Lufthansa

Tue, Aug 25 - Wed, Sep 2

1:00 am - 6:45 amFAI Fairbanks-LHR London Heathrow

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

11:05 am - 10:59 pmLHR London Heathrow-FAI Fairbanks

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

$1,184SWISS

Tue, Aug 25 - Wed, Sep 2

10:00 pm - 1:05 pmFAI Fairbanks-LHR London Heathrow

30h 05m1 stop Minneapolis St Paul

12:25 pm - 8:49 pmLHR London Heathrow-FAI Fairbanks

17h 24m1 stop Minneapolis St Paul

$1,286Virgin Atlantic

Thu, Aug 27 - Mon, Aug 31

10:00 pm - 1:05 pmFAI Fairbanks-LHR London Heathrow

30h 05m1 stop Minneapolis St Paul

12:25 pm - 8:49 pmLHR London Heathrow-FAI Fairbanks

17h 24m1 stop Minneapolis St Paul

$1,288Virgin Atlantic

Thu, Aug 27 - Mon, Aug 31

5:31 am - 1:45 pmFAI Fairbanks-LHR London Heathrow

23h 14m1 stop Seattle/Tacoma Intl

9:50 am - 8:55 pmLHR London Heathrow-FAI Fairbanks

20h 05m1 stop Seattle/Tacoma Intl

$1,579British Airways

Thu, Aug 27 - Mon, Aug 31

12:03 pm - 1:45 pmFAI Fairbanks-LHR London Heathrow

16h 42m1 stop Seattle/Tacoma Intl

9:50 am - 8:55 pmLHR London Heathrow-FAI Fairbanks

20h 05m1 stop Seattle/Tacoma Intl

$1,662Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

5:31 am - 1:45 pmFAI Fairbanks-LHR London Heathrow

23h 14m1 stop Seattle/Tacoma Intl

7:30 am - 10:54 pmLHR London Heathrow-FAI Fairbanks

24h 24m2 stops Helsinki-Vantaa Seattle/Tacoma Intl

$1,833British Airways

Thu, Aug 27 - Mon, Aug 31

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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

Nov 8

ANC8:14 pmAnchorage

32h 31m

2 stops

LHR1:45 pmLondon Heathrow

Nov 16

LHR5:25 pmLondon Heathrow

34h 44m

2 stops

ANC7:09 pmAnchorage

$927

British Airways

Aug 27

FAI5:31 amFairbanks

23h 14m

1 stop

LHR1:45 pmLondon Heathrow

Aug 31

LHR9:50 amLondon Heathrow

20h 05m

1 stop

FAI8:55 pmFairbanks

$1,579

British Airways

Aug 27

FAI5:31 amFairbanks

23h 14m

1 stop

LHR1:45 pmLondon Heathrow

Aug 31

LHR7:30 amLondon Heathrow

24h 24m

2 stops

FAI10:54 pmFairbanks

$1,833

Air Canada flights from Alaska to London Heathrow Airport

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

Air Canada

Nov 7

ANC8:43 pmAnchorage

25h 27m

2 stops

LHR7:10 amLondon Heathrow

Nov 17

LHR1:00 pmLondon Heathrow

39h 39m

2 stops

ANC7:39 pmAnchorage

$931

Air Canada

Oct 2

ANC8:59 pmAnchorage

48h 36m

2 stops

LHR6:35 amLondon Heathrow

Nov 26

LHR6:00 pmLondon Heathrow

34h 39m

2 stops

ANC7:39 pmAnchorage

$940

Air Canada

Nov 6

ANC8:43 pmAnchorage

48h 47m

2 stops

LHR6:30 amLondon Heathrow

Nov 19

LHR1:00 pmLondon Heathrow

39h 39m

2 stops

ANC7:39 pmAnchorage

$953

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 round-trip

Quickest round-trip

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 9/20

11:51 am-11:20 am

1 stop14h 29m

London Heathrow

Tue 10/6

6:30 am-8:41 pm

2 stops23h 11m

$882

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 1/10

2:58 am-12:20 pm

1 stop24h 22m

London Heathrow

Fri 1/15

2:45 pm-12:25 am

1 stop18h 40m

$900

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Sun 10/4

2:30 pm-3:35 pm

1 stop16h 05m

London Heathrow

Tue 10/13

8:40 am-12:45 am

2 stops25h 05m

$904

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Sat 10/3

1:35 am-6:25 am

2 stops19h 50m

London Heathrow

Tue 10/13

8:40 am-12:45 am

2 stops25h 05m

$904

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 1/11

10:00 am-12:20 pm

1 stop17h 20m

London Heathrow

Fri 1/15

2:45 pm-9:49 am

2 stops28h 04m

$904

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 1/11

10:00 am-12:20 pm

1 stop17h 20m

London Heathrow

Fri 1/15

2:45 pm-9:49 am

2 stops28h 04m

$905

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 11/8

6:30 am-10:40 am

1 stop19h 10m

London Heathrow

Tue 11/17

8:40 am-8:56 pm

2 stops21h 16m

$907

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 11/8

6:30 am-10:30 am

2 stops19h 00m

London Heathrow

Tue 11/17

8:40 am-8:56 pm

2 stops21h 16m

$911

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 11/8

8:14 pm-1:45 pm

2 stops32h 31m

London Heathrow

Mon 11/16

5:25 pm-7:09 pm

2 stops34h 44m

$927

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 11/7

8:14 pm-6:50 am

1 stop25h 36m

London Heathrow

Mon 11/16

3:45 pm-7:09 pm

2 stops36h 24m

$939

Flights are sorted by cheapest round-trip 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?

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Alaska, with most prices found around $933. If you’re not able to fly to London Heathrow Airport in April, then November is your next best option. Flight prices from Alaska to London Heathrow Airport during November average around $969.

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

You could potentially save up to 21% 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	$339
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 $339. The best round-trip flight deal from Alaska to London Heathrow Airport found on momondo in the last 72 hours is $882.

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Alaska to London Heathrow Airport?
The number of operators available for flights from Alaska to London Heathrow Airport is 3 as of August 2026.
How old do you have to be to fly from Alaska to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

Best airlines flying from Alaska to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $757	Free Cancellation	Rating 7.8 8,516 reviews	Search Delta flights
Alaska Airlines	PriceFrom $896	Free Cancellation	Rating 7.9 12,833 reviews	Search Alaska Airlines flights
British Airways	PriceFrom $1,255	Free Cancellation	Rating 6.7 8,183 reviews	Search British Airways flights

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Luton

Hayes

Stratford-upon-Avon

Wembley

Croydon

Dover

Stansted

Richmond

Kingston upon Thames

Harrow

Watford

Cobham

Slough

Uxbridge

Eastbourne

Worthing

Romford

Why use momondo?

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

Finding the right flight to London from Alaska 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 London quick and easy, saving you time and money.

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

Flights from Alaska to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Of course. momondo tracks the price of Alaska to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to London Gatwick Airportfrom $405

Flights to London Stansted Airportfrom $490

Flights to London City Airportfrom $643

Flights to London Luton Airportfrom $537

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Flights to Belfast Intl Airportfrom $665

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $565

Cheap flights from Alaska to London from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to London departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

Air Canada flights from Alaska to London Heathrow Airport

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

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from Alaska to London Heathrow Airport

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

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

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

What airlines fly to London Heathrow Airport?

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

Cheap Alaska to London Heathrow Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Alaska to London Heathrow Airport

Best airlines flying from Alaska to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

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Find better results for your trip to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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