How long does it take to fly to London?

Flight times from Alaska to London vary, but if you’re flying out of Juneau and flying into London Heathrow Airport (one of the most popular routes), then the duration is 14h 13m on average. Another popular route from Alaska to London is flying from Anchorage to London Heathrow Airport, which will take roughly 14h 50m. Keep in mind that layovers or delays could extend your travel time.

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

Icelandair and KLM are the most popular carriers operating from Alaska to London

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

Prices for flights from Alaska to London refresh daily.

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

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.

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

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

£309 Cheap Flights from Alaska to London in 2026

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Find the cheapest flights from Alaska to London

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09:00 - 17:45

ANC

LHR

23h 45m

2 stops

07:40 - 22:50

LHR

ANC

23h 10m

2 stops

£615Lufthansa

Tue, 24 Feb - Mon, 9 Mar

09:00 - 17:45

ANC

LHR

23h 45m

2 stops

19:30 - 20:01

LHR

ANC

32h 31m

2 stops

£636Lufthansa

Tue, 24 Feb - Mon, 9 Mar

09:00 - 17:45

ANC

LHR

23h 45m

2 stops

19:30 - 20:01

LHR

ANC

32h 31m

2 stops

£639Lufthansa

Tue, 24 Feb - Mon, 9 Mar

09:00 - 09:40

ANC

LHR

15h 40m

1 stop

07:40 - 22:50

LHR

ANC

23h 10m

2 stops

£639United Airlines

Mon, 23 Feb - Mon, 9 Mar

05:45 - 10:30

ANC

LHR

19h 45m

1 stop

06:30 - 20:34

LHR

ANC

22h 04m

2 stops

£640KLM

Mon, 23 Feb - Mon, 9 Mar

01:20 - 10:30

ANC

LHR

24h 10m

1 stop

06:30 - 20:34

LHR

ANC

22h 04m

2 stops

£641KLM

Mon, 23 Feb - Mon, 9 Mar

23:45 - 06:40

ANC

LHR

21h 55m

2 stops

07:40 - 22:50

LHR

ANC

23h 10m

2 stops

£642United Airlines

Mon, 23 Feb - Mon, 9 Mar

15:21 - 20:10

ANC

LHR

19h 49m

2 stops

06:30 - 20:34

LHR

ANC

22h 04m

2 stops

£643Delta

Mon, 23 Feb - Mon, 9 Mar

06:15 - 11:55

ANC

LHR

21h 40m

1 stop

06:30 - 00:29

LHR

ANC

25h 59m

2 stops

£647Virgin Atlantic

Thu, 12 Mar - Thu, 19 Mar

09:00 - 21:20

ANC

LHR

27h 20m

3 stops

16:40 - 22:50

LHR

ANC

38h 10m

2 stops

£650United Airlines

Tue, 24 Feb - Mon, 9 Mar

Lufthansa flights from Alaska to London

Our best Lufthansa deals on Alaska to London flight tickets

Lufthansa

24 Feb

ANC09:00Anchorage

23h 45m

2 stops

LHR17:45London Heathrow

9 Mar

LHR07:40London Heathrow

23h 10m

2 stops

ANC22:50Anchorage

£615

Lufthansa

24 Feb

ANC09:00Anchorage

23h 45m

2 stops

LHR17:45London Heathrow

9 Mar

LHR19:30London Heathrow

32h 31m

2 stops

ANC20:01Anchorage

£636

Lufthansa

24 Feb

ANC09:00Anchorage

23h 45m

2 stops

LHR17:45London Heathrow

9 Mar

LHR19:30London Heathrow

32h 31m

2 stops

ANC20:01Anchorage

£638

United Airlines flights from Alaska to London

Our best United Airlines deals on Alaska to London flight tickets

United Airlines

23 Feb

ANC09:00Anchorage

15h 40m

1 stop

LHR09:40London Heathrow

9 Mar

LHR07:40London Heathrow

23h 10m

2 stops

ANC22:50Anchorage

£639

United Airlines

23 Feb

ANC23:45Anchorage

21h 55m

2 stops

LHR06:40London Heathrow

9 Mar

LHR07:40London Heathrow

23h 10m

2 stops

ANC22:50Anchorage

£642

United Airlines

24 Feb

ANC09:00Anchorage

27h 20m

3 stops

LHR21:20London Heathrow

9 Mar

LHR16:40London Heathrow

38h 10m

2 stops

ANC22:50Anchorage

£650

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£615

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£636

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£638

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£639

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

05:45-10:30

1 stop19h 45m

London Heathrow

Mon 9/3

06:30-20:34

2 stops22h 04m

£640

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-10:30

1 stop24h 10m

London Heathrow

Mon 9/3

06:30-20:34

2 stops22h 04m

£641

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

23:45-06:40

2 stops21h 55m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£642

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

15:21-20:10

2 stops19h 49m

London Heathrow

Mon 9/3

06:30-20:34

2 stops22h 04m

£643

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 12/3

06:15-11:55

1 stop21h 40m

London Heathrow

Thu 19/3

06:30-00:29

2 stops25h 59m

£647

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-21:20

3 stops27h 20m

London Heathrow

Mon 9/3

16:40-22:50

2 stops38h 10m

£650

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

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

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Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Alaska is in April. Flight prices, which tend to average around £641, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Alaska averaging around £678.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 28% on your flight if you consider stops on a Alaska to London flight.

Cheap Alaska to London flight deals and tips

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

Fastest flight time	14h 13m
Direct flights	None

The fastest flight from Alaska to London takes 14h 13m

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

Search flight deals

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

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Folkestone

Worthing

Colchester

Bedford

Ramsgate

Chichester

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. All flights to London from Alaska on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Alaska.

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

Yes. momondo can track prices for Alaska to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.