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

Air Canada, 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 13h 40m 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 Fairbanks and into London Heathrow Airport, then the flight time is around 15h 55m.

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 1 as of March 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.

$309 Cheap Flights from Alaska to London Heathrow Airport in 2026

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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.

3:45 pm - 3:35 pm

ANC

LHR

14h 50m

1 stop

6:30 am - 8:46 pm

LHR

ANC

23h 16m

2 stops

$781Virgin Atlantic

Tue, Apr 21 - Tue, Apr 28

1:41 pm - 3:35 pm

ANC

LHR

16h 54m

1 stop

11:40 am - 8:46 pm

LHR

ANC

18h 06m

1 stop

$807Virgin Atlantic

Tue, Apr 21 - Tue, Apr 28

8:50 pm - 6:30 am

ANC

LHR

48h 40m

2 stops

7:25 am - 10:45 pm

LHR

ANC

24h 20m

2 stops

$816United Airlines

Fri, Apr 17 - Fri, Apr 24

11:47 pm - 9:40 am

ANC

LHR

24h 53m

1 stop

9:00 am - 8:06 pm

LHR

ANC

44h 06m

2 stops

$823United Airlines

Mon, Apr 27 - Tue, May 5

8:50 pm - 10:00 am

ANC

LHR

28h 10m

2 stops

9:00 am - 8:06 pm

LHR

ANC

44h 06m

2 stops

$827United Airlines

Mon, Apr 27 - Tue, May 5

8:30 pm - 8:05 am

ANC

LHR

26h 35m

1 stop

8:55 am - 6:50 pm

LHR

ANC

18h 55m

1 stop

$836British Airways

Mon, Apr 27 - Fri, May 8

8:50 pm - 6:30 am

ANC

LHR

24h 40m

2 stops

9:30 am - 1:36 pm

LHR

ANC

37h 06m

2 stops

$838Air Canada

Mon, Apr 27 - Fri, May 8

12:22 pm - 1:45 pm

ANC

LHR

16h 23m

1 stop

8:55 am - 6:50 pm

LHR

ANC

18h 55m

1 stop

$841Multiple Airlines

Mon, Apr 27 - Tue, May 5

1:45 am - 6:25 am

FAI

LHR

19h 40m

2 stops

5:45 pm - 12:35 am

LHR

FAI

15h 50m

1 stop

$1,288Multiple Airlines

Fri, May 1 - Sat, May 9

2:15 pm - 1:45 pm

JNU

LHR

14h 30m

1 stop

9:50 am - 1:01 am

LHR

JNU

24h 11m

1 stop

$1,560British Airways

Sun, Sep 6 - Thu, Sep 10

Scandinavian Airlines flights from Alaska to London Heathrow Airport

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

Scandinavian Airlines

Sep 6

JNU7:05 amJuneau Intl

25h 35m

2 stops

LHR5:40 pmLondon Heathrow

Sep 10

LHR5:00 pmLondon Heathrow

34h 07m

2 stops

JNU6:07 pmJuneau Intl

$1,040

Scandinavian Airlines

Mar 25

ANC6:15 amAnchorage

20h 15m

1 stop

LHR10:30 amLondon Heathrow

Mar 27

LHR12:20 pmLondon Heathrow

16h 15m

1 stop

ANC8:35 pmAnchorage

$1,488

Scandinavian Airlines

Mar 24

ANC1:34 amAnchorage

21h 16m

2 stops

LHR6:50 amLondon Heathrow

Mar 27

LHR12:20 pmLondon Heathrow

20h 09m

1 stop

ANC12:29 amAnchorage

$1,493

Alaska Airlines flights from Alaska to London Heathrow Airport

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

Alaska Airlines

Sep 16

SIT7:08 pmSitka

34h 57m

3 stops

LHR3:05 pmLondon Heathrow

Sep 20

LHR5:00 pmLondon Heathrow

26h 06m

2 stops

SIT10:06 amSitka

$1,470

Alaska Airlines

Sep 16

SIT1:40 pmSitka

16h 25m

1 stop

LHR3:05 pmLondon Heathrow

Sep 20

LHR5:00 pmLondon Heathrow

28h 50m

1 stop

SIT12:50 pmSitka

$1,514

Alaska Airlines

Sep 16

SIT10:57 amSitka

19h 08m

2 stops

LHR3:05 pmLondon Heathrow

Sep 20

LHR5:00 pmLondon Heathrow

26h 06m

2 stops

SIT10:06 amSitka

$1,557

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

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 4/21

3:45 pm-3:35 pm

1 stop14h 50m

London Heathrow

Tue 4/28

6:30 am-8:46 pm

2 stops23h 16m

$781

Quickest round-trip

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 4/21

1:41 pm-3:35 pm

1 stop16h 54m

London Heathrow

Tue 4/28

11:40 am-8:46 pm

1 stop18h 06m

$807

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 4/17

8:50 pm-6:30 am

2 stops48h 40m

London Heathrow

Fri 4/24

7:25 am-10:45 pm

2 stops24h 20m

$816

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

11:47 pm-9:40 am

1 stop24h 53m

London Heathrow

Tue 5/5

9:00 am-8:06 pm

2 stops44h 06m

$823

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

8:50 pm-10:00 am

2 stops28h 10m

London Heathrow

Tue 5/5

9:00 am-8:06 pm

2 stops44h 06m

$827

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

8:30 pm-8:05 am

1 stop26h 35m

London Heathrow

Fri 5/8

8:55 am-6:50 pm

1 stop18h 55m

$836

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

8:50 pm-6:30 am

2 stops24h 40m

London Heathrow

Fri 5/8

9:30 am-1:36 pm

2 stops37h 06m

$838

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

12:22 pm-1:45 pm

1 stop16h 23m

London Heathrow

Tue 5/5

8:55 am-6:50 pm

1 stop18h 55m

$841

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 5/1

1:45 am-6:25 am

2 stops19h 40m

London Heathrow

Sat 5/9

5:45 pm-12:35 am

1 stop15h 50m

$1,288

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sun 9/6

2:15 pm-1:45 pm

1 stop14h 30m

London Heathrow

Thu 9/10

9:50 am-1:01 am

1 stop24h 11m

$1,560

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 August is, on average, the cheapest month to fly to London Heathrow Airport from Alaska, with most prices found around $790. If you’re not able to fly to London Heathrow Airport in August, then September is your next best option. Flight prices from Alaska to London Heathrow Airport during September average around $814.

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

You could potentially save up to 44% 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

Fastest flight time	13h 40m
Direct flights	None

The fastest flight from Alaska to London Heathrow Airport takes 13h 40m

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

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 1 as of March 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 7.9 8,319 reviews		Search Delta flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Stratford-upon-Avon

Wembley

Hayes

Dartford

Croydon

Harrow

Watford

Brentwood

Guildford

Stansted

Cobham

Folkestone

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.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $424

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Cheap flights from Alaska to London from $309

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 9/1. 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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Scandinavian Airlines flights from Alaska to London Heathrow Airport

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

Alaska Airlines flights from Alaska to London Heathrow Airport

Our best Alaska Airlines 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?

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

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

Fastest flight time

Direct flights

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

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Alaska flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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Cabin classes currently available on flights to London

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

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