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 13h on average. Another popular route from Alaska to London is flying from Anchorage to London Heathrow Airport, which will take roughly 14h 21m. Keep in mind that layovers or delays could extend your travel time.

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

Icelandair, United Airlines, 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.

£250 Cheap Flights from Alaska to London in 2025/26

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Find the cheapest flights from Alaska to London

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 09:40

ANC

LHR

15h 40m1 stop

19:30 - 20:01

LHR

ANC

32h 31m2 stops

£567Lufthansa

Tue, 24 Feb - Mon, 9 Mar

09:00 - 09:40

ANC

LHR

15h 40m1 stop

19:30 - 20:01

LHR

ANC

32h 31m2 stops

£567Lufthansa

Tue, 24 Feb - Mon, 9 Mar

01:30 - 09:40

ANC

LHR

23h 10m1 stop

13:25 - 19:57

LHR

ANC

39h 32m2 stops

£585United Airlines

Tue, 30 Dec - Wed, 7 Jan

01:30 - 07:10

ANC

LHR

20h 40m2 stops

13:25 - 19:57

LHR

ANC

39h 32m2 stops

£588United Airlines

Tue, 30 Dec - Wed, 7 Jan

20:55 - 06:30

ANC

LHR

24h 35m2 stops

06:55 - 22:39

LHR

ANC

24h 44m2 stops

£589Multiple Airlines

Mon, 27 Apr - Thu, 7 May

06:00 - 09:00

ANC

LHR

18h 00m1 stop

08:40 - 00:33

LHR

ANC

24h 53m2 stops

£592Delta

Mon, 27 Apr - Thu, 7 May

23:45 - 06:30

ANC

LHR

21h 45m2 stops

10:50 - 15:41

LHR

ANC

37h 51m2 stops

£595Multiple Airlines

Mon, 27 Apr - Thu, 7 May

01:30 - 10:30

FAI

LHR

24h 00m1 stop

06:30 - 00:22

LHR

FAI

26h 52m2 stops

£657KLM

Sat, 17 Jan - Sun, 25 Jan

01:30 - 10:30

FAI

LHR

24h 00m1 stop

12:20 - 00:22

LHR

FAI

21h 02m1 stop

£677KLM

Sat, 17 Jan - Sun, 25 Jan

05:55 - 13:15

ANC

LCY

22h 20m2 stops

08:40 - 18:56

LCY

ANC

19h 16m2 stops

£681Delta

Sat, 17 Jan - Sat, 24 Jan

Lufthansa flights from Alaska to London

Our best Lufthansa deals on Alaska to London flight tickets

Lufthansa

24 Feb

ANC09:00Anchorage

15h 40m

1 stop

LHR09:40London Heathrow

9 Mar

LHR19:30London Heathrow

32h 31m

2 stops

ANC20:01Anchorage

£567

Find similar

Lufthansa

24 Feb

ANC09:00Anchorage

15h 40m

1 stop

LHR09:40London Heathrow

9 Mar

LHR19:30London Heathrow

32h 31m

2 stops

ANC20:01Anchorage

£567

Find similar

Lufthansa

24 Feb

ANC09:00Anchorage

25h 35m

2 stops

LHR19:35London Heathrow

9 Mar

LHR18:30London Heathrow

33h 31m

2 stops

ANC20:01Anchorage

£573

Find similar

United Airlines flights from Alaska to London

Our best United Airlines deals on Alaska to London flight tickets

United Airlines

30 Dec

ANC01:30Anchorage

23h 10m

1 stop

LHR09:40London Heathrow

7 Jan

LHR13:25London Heathrow

39h 32m

2 stops

ANC19:57Anchorage

£585

Find similar

United Airlines

30 Dec

ANC01:30Anchorage

20h 40m

2 stops

LHR07:10London Heathrow

7 Jan

LHR13:25London Heathrow

39h 32m

2 stops

ANC19:57Anchorage

£588

Find similar

United Airlines

23 Mar

ANC23:52Anchorage

25h 48m

1 stop

LHR09:40London Heathrow

6 Apr

LHR16:25London Heathrow

39h 14m

2 stops

ANC22:39Anchorage

£600

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£567

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£567

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 30/12

01:30-09:40

1 stop23h 10m

London Heathrow

Wed 7/1

13:25-19:57

2 stops39h 32m

£585

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 30/12

01:30-07:10

2 stops20h 40m

London Heathrow

Wed 7/1

13:25-19:57

2 stops39h 32m

£588

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/4

20:55-06:30

2 stops24h 35m

London Heathrow

Thu 7/5

06:55-22:39

2 stops24h 44m

£589

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/4

06:00-09:00

1 stop18h 00m

London Heathrow

Thu 7/5

08:40-00:33

2 stops24h 53m

£592

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/4

23:45-06:30

2 stops21h 45m

London Heathrow

Thu 7/5

10:50-15:41

2 stops37h 51m

£595

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 17/1

01:30-10:30

1 stop24h 00m

London Heathrow

Sun 25/1

06:30-00:22

2 stops26h 52m

£657

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 17/1

01:30-10:30

1 stop24h 00m

London Heathrow

Sun 25/1

12:20-00:22

1 stop21h 02m

£677

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Sat 17/1

05:55-13:15

2 stops22h 20m

London City

Sat 24/1

08:40-18:56

2 stops19h 16m

£681

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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Alaska is in November. Flight prices, which tend to average around £639, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Alaska averaging around £660.

What is the cheapest day to depart on your flight to London?

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £934. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Alaska to London for around £1,042.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £934. Flights in the evening are often more expensive, with an average ticket price of £1,381.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 24% 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	13h 00m
Direct flights	None

The fastest flight from Alaska to London takes 13h 00m

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

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Hayes

Dover

Chelmsford

Colchester

Worthing

Bedford

Ramsgate

Hounslow

Stansted

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.