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

Alaska Airlines, British Airways, and Delta 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 50m and 15h 53m, 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

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Find the cheapest flights from Alaska to London

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 16:00

ANC

LHR

25h 00m

2 stops

06:40 - 01:45

LHR

ANC

28h 05m

3 stops

£652Scandinavian Airlines

Sun, 4 Oct - Sun, 11 Oct

06:00 - 17:40

ANC

LHR

26h 40m

2 stops

06:40 - 22:36

LHR

ANC

24h 56m

3 stops

£652Scandinavian Airlines

Sun, 4 Oct - Sun, 11 Oct

07:00 - 14:25

ANC

LHR

22h 25m

1 stop

19:25 - 20:29

LHR

ANC

34h 04m

2 stops

£659British Airways

Tue, 8 Sep - Tue, 15 Sep

14:37 - 15:05

ANC

LHR

15h 28m

1 stop

17:00 - 23:39

LHR

ANC

15h 39m

1 stop

£660Alaska Airlines

Wed, 7 Oct - Thu, 15 Oct

06:05 - 15:05

ANC

LHR

24h 00m

1 stop

17:00 - 01:36

LHR

ANC

17h 36m

1 stop

£661Alaska Airlines

Tue, 8 Sep - Tue, 15 Sep

22:03 - 09:05

ANC

LHR

26h 02m

1 stop

11:10 - 20:29

LHR

ANC

18h 19m

1 stop

£666British Airways

Tue, 15 Sep - Tue, 22 Sep

14:42 - 15:35

FAI

LHR

15h 53m

1 stop

08:55 - 00:06

LHR

FAI

24h 11m

2 stops

£703Delta

Mon, 24 Aug - Tue, 8 Sep

01:39 - 07:10

FAI

LHR

20h 31m

2 stops

08:55 - 00:06

LHR

FAI

24h 11m

2 stops

£706Delta

Sun, 23 Aug - Tue, 8 Sep

01:15 - 12:25

FAI

LHR

26h 10m

1 stop

11:25 - 22:49

LHR

FAI

20h 24m

1 stop

£714United Airlines

Sun, 23 Aug - Tue, 8 Sep

20:27 - 06:45

FAI

LHR

25h 18m

1 stop

11:25 - 22:49

LHR

FAI

20h 24m

1 stop

£715United Airlines

Mon, 24 Aug - Tue, 8 Sep

United Airlines flights from Alaska to London Heathrow Airport

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

United Airlines

29 Sept

ANC23:40Anchorage

25h 00m

1 stop

LHR09:40London Heathrow

13 Oct

LHR07:25London Heathrow

21h 20m

2 stops

ANC19:45Anchorage

£693

United Airlines

13 Oct

ANC20:55Anchorage

28h 05m

2 stops

LHR10:00London Heathrow

22 Oct

LHR06:55London Heathrow

21h 50m

2 stops

ANC19:45Anchorage

£694

United Airlines

23 Aug

FAI01:15Fairbanks

26h 10m

1 stop

LHR12:25London Heathrow

8 Sept

LHR11:25London Heathrow

20h 24m

1 stop

FAI22:49Fairbanks

£714

Delta flights from Alaska to London Heathrow Airport

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

Delta

7 Oct

ANC11:30Anchorage

19h 05m

1 stop

LHR15:35London Heathrow

16 Oct

LHR11:45London Heathrow

22h 50m

2 stops

ANC01:35Anchorage

£696

Delta

6 Oct

ANC01:30Anchorage

22h 45m

2 stops

LHR09:15London Heathrow

16 Oct

LHR08:40London Heathrow

22h 56m

2 stops

ANC22:36Anchorage

£699

Delta

31 Aug

ANC17:15Anchorage

30h 35m

2 stops

LHR08:50London Heathrow

15 Sept

LHR09:55London Heathrow

21h 27m

2 stops

ANC22:22Anchorage

£700

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 - LHR

ANCLHR

Anchorage

Sun 4/10

06:00-16:00

2 stops25h 00m

London Heathrow

Sun 11/10

06:40-01:45

3 stops28h 05m

£652

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 4/10

06:00-17:40

2 stops26h 40m

London Heathrow

Sun 11/10

06:40-22:36

3 stops24h 56m

£652

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 8/9

07:00-14:25

1 stop22h 25m

London Heathrow

Tue 15/9

19:25-20:29

2 stops34h 04m

£659

Fastest return journey

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 7/10

14:37-15:05

1 stop15h 28m

London Heathrow

Thu 15/10

17:00-23:39

1 stop15h 39m

£660

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 8/9

06:05-15:05

1 stop24h 00m

London Heathrow

Tue 15/9

17:00-01:36

1 stop17h 36m

£661

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 15/9

22:03-09:05

1 stop26h 02m

London Heathrow

Tue 22/9

11:10-20:29

1 stop18h 19m

£666

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 24/8

14:42-15:35

1 stop15h 53m

London Heathrow

Tue 8/9

08:55-00:06

2 stops24h 11m

£703

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 23/8

01:39-07:10

2 stops20h 31m

London Heathrow

Tue 8/9

08:55-00:06

2 stops24h 11m

£706

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 23/8

01:15-12:25

1 stop26h 10m

London Heathrow

Tue 8/9

11:25-22:49

1 stop20h 24m

£714

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 24/8

20:27-06:45

1 stop25h 18m

London Heathrow

Tue 8/9

11:25-22:49

1 stop20h 24m

£715

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, August 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 £501. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Alaska averaging around £511.

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

You could potentially save up to 25% 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 55m
Direct flights	None

The fastest flight from Alaska to London Heathrow Airport takes 14h 55m

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

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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

Milton Keynes

Luton

Gatwick

Stratford-upon-Avon

Wembley

Slough

Maidstone

Northampton

Swindon

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Dover

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.