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

Alaska Airlines, Delta, and United Airlines 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 23m to fly from Alaska to London Heathrow Airport if you fly out of Fairbanks (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 Anchorage and into London Heathrow Airport, then the flight time is around 15h 23m.

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 2 as of July 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.

3:15 pm - 12:35 pm

ANC

LHR

36h 20m

1 stop

7:30 am - 7:35 pm

LHR

ANC

21h 05m

2 stops

$840United Airlines

Sat, Sep 5 - Tue, Sep 8

8:00 pm - 6:45 am

ANC

LHR

25h 45m

1 stop

8:25 pm - 7:35 pm

LHR

ANC

32h 10m

2 stops

$863Lufthansa

Sun, Sep 6 - Tue, Sep 8

8:44 pm - 8:30 am

ANC

LHR

26h 46m

2 stops

7:40 am - 10:39 pm

LHR

ANC

23h 59m

2 stops

$867Multiple Airlines

Thu, Nov 5 - Sun, Nov 8

11:59 pm - 9:40 am

ANC

LHR

24h 41m

1 stop

7:30 am - 10:39 pm

LHR

ANC

24h 09m

2 stops

$868United Airlines

Thu, Nov 5 - Sun, Nov 8

11:51 am - 3:35 pm

ANC

LHR

18h 44m

1 stop

11:45 am - 12:33 am

LHR

ANC

21h 48m

2 stops

$883KLM

Mon, Oct 5 - Thu, Oct 15

8:25 pm - 7:50 am

ANC

LHR

26h 25m

1 stop

6:30 am - 4:18 pm

LHR

ANC

18h 48m

2 stops

$884Delta

Sat, Nov 7 - Thu, Nov 19

8:59 pm - 6:30 am

ANC

LHR

24h 31m

2 stops

7:40 am - 10:39 pm

LHR

ANC

22h 59m

2 stops

$887Multiple Airlines

Mon, Oct 19 - Wed, Oct 28

1:33 am - 6:20 am

ANC

LHR

19h 47m

2 stops

6:30 am - 4:18 pm

LHR

ANC

18h 48m

2 stops

$888Delta

Sat, Nov 7 - Wed, Nov 18

5:30 am - 6:45 am

FAI

LHR

16h 15m

1 stop

9:50 am - 1:48 am

LHR

FAI

24h 58m

1 stop

$1,082American Airlines

Mon, Sep 21 - Mon, Sep 28

7:35 am - 3:35 pm

JNU

LHR

23h 00m

1 stop

5:10 pm - 6:16 pm

LHR

JNU

34h 06m

2 stops

$1,189KLM

Sun, Aug 16 - Sat, Aug 29

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KLM flights from Alaska to London Heathrow Airport

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

KLM

Oct 5

ANC11:51 amAnchorage

18h 44m

1 stop

LHR3:35 pmLondon Heathrow

Oct 15

LHR11:45 amLondon Heathrow

21h 48m

2 stops

ANC12:33 amAnchorage

$883

KLM

Oct 5

ANC11:51 amAnchorage

16h 59m

2 stops

LHR1:50 pmLondon Heathrow

Oct 15

LHR11:45 amLondon Heathrow

21h 48m

2 stops

ANC12:33 amAnchorage

$892

KLM

Sep 29

ANC6:00 amAnchorage

22h 05m

1 stop

LHR1:05 pmLondon Heathrow

Oct 6

LHR11:45 amLondon Heathrow

21h 48m

2 stops

ANC12:33 amAnchorage

$901

Delta flights from Alaska to London Heathrow Airport

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

Delta

Nov 7

ANC8:25 pmAnchorage

26h 25m

1 stop

LHR7:50 amLondon Heathrow

Nov 19

LHR6:30 amLondon Heathrow

18h 48m

2 stops

ANC4:18 pmAnchorage

$884

Delta

Nov 7

ANC1:33 amAnchorage

19h 47m

2 stops

LHR6:20 amLondon Heathrow

Nov 18

LHR6:30 amLondon Heathrow

18h 48m

2 stops

ANC4:18 pmAnchorage

$888

Delta

Sep 13

ANC8:00 amAnchorage

22h 35m

1 stop

LHR3:35 pmLondon Heathrow

Sep 23

LHR6:30 amLondon Heathrow

23h 30m

2 stops

ANC9:00 pmAnchorage

$938

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

Sat 9/5

3:15 pm-12:35 pm

1 stop36h 20m

London Heathrow

Tue 9/8

7:30 am-7:35 pm

2 stops21h 05m

$840

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/6

8:00 pm-6:45 am

1 stop25h 45m

London Heathrow

Tue 9/8

8:25 pm-7:35 pm

2 stops32h 10m

$863

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 11/5

8:44 pm-8:30 am

2 stops26h 46m

London Heathrow

Sun 11/8

7:40 am-10:39 pm

2 stops23h 59m

$867

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 11/5

11:59 pm-9:40 am

1 stop24h 41m

London Heathrow

Sun 11/8

7:30 am-10:39 pm

2 stops24h 09m

$868

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/5

11:51 am-3:35 pm

1 stop18h 44m

London Heathrow

Thu 10/15

11:45 am-12:33 am

2 stops21h 48m

$883

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 11/7

8:25 pm-7:50 am

1 stop26h 25m

London Heathrow

Thu 11/19

6:30 am-4:18 pm

2 stops18h 48m

$884

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/19

8:59 pm-6:30 am

2 stops24h 31m

London Heathrow

Wed 10/28

7:40 am-10:39 pm

2 stops22h 59m

$887

Quickest round-trip

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 11/7

1:33 am-6:20 am

2 stops19h 47m

London Heathrow

Wed 11/18

6:30 am-4:18 pm

2 stops18h 48m

$888

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 9/21

5:30 am-6:45 am

1 stop16h 15m

London Heathrow

Mon 9/28

9:50 am-1:48 am

1 stop24h 58m

$1,082

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sun 8/16

7:35 am-3:35 pm

1 stop23h 00m

London Heathrow

Sat 8/29

5:10 pm-6:16 pm

2 stops34h 06m

$1,189

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 $683. 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 $696.

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

You could potentially save up to 7% 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	14h 23m
Direct flights	None

The fastest flight from Alaska to London Heathrow Airport takes 14h 23m

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 2 as of July 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 8,452 reviews		Search Delta flights
British Airways	PriceFrom $1,255	Free Cancellation	Rating 6.7 8,091 reviews		Search British Airways flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

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 $367

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Flights to London City Airportfrom $594

Flights to London Luton Airportfrom $485

Flights to Glasgow Intl Airportfrom $496

Flights to Belfast Intl Airportfrom $575

Flights to London Southend Airportfrom $643

Flights to Belfast City Airportfrom $705

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 10/13. 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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KLM flights from Alaska to London Heathrow Airport

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

Delta flights from Alaska to London Heathrow Airport

Our best Delta 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

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

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