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 57m on average. Another popular route from Alaska to London is flying from Anchorage to London Heathrow Airport, which will take roughly 15h 05m. Keep in mind that layovers or delays could extend your travel time.

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

Virgin Atlantic, KLM, and Icelandair 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 many operators does momondo search for flights from Alaska to London?

The number of operators available for flights from Alaska to London is 1 as of August 2025.

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.

£272 Cheap Flights from Alaska to London in 2025

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Find the cheapest flights from Alaska to London

Round-trip

One-way

Last minute

Cheap return flights

14:10 - 14:15ANC-LHR

15h 05m1 stop

13:25 - 22:43LHR-ANC

18h 18m1 stop

£529Virgin Atlantic

Find Deal

Wed, 8 Oct - Wed, 15 Oct

06:00 - 14:15ANC-LHR

23h 15m1 stop

06:15 - 16:20LHR-ANC

19h 05m2 stops

£548Delta

Find Deal

Sun, 14 Sep - Fri, 26 Sep

11:15 - 11:20ANC-LHR

15h 05m1 stop

06:15 - 16:20LHR-ANC

19h 05m2 stops

£549Delta

Find Deal

Wed, 24 Sep - Tue, 30 Sep

00:30 - 11:20ANC-LHR

25h 50m1 stop

13:25 - 22:43LHR-ANC

18h 18m1 stop

£560

Find Deal

Tue, 7 Oct - Wed, 15 Oct

06:05 - 08:45ANC-LHR

18h 40m2 stops

19:20 - 16:22LHR-ANC

30h 02m2 stops

£562Air France

Find Deal

Mon, 27 Oct - Mon, 10 Nov

00:55 - 14:15ANC-LHR

28h 20m1 stop

17:25 - 01:37LHR-ANC

17h 12m1 stop

£568KLM

Find Deal

Tue, 23 Sep - Wed, 1 Oct

00:55 - 14:15ANC-LHR

28h 20m1 stop

17:25 - 01:37LHR-ANC

17h 12m1 stop

£568KLM

Find Deal

Tue, 23 Sep - Tue, 30 Sep

01:45 - 14:15FAI-LHR

27h 30m1 stop

11:30 - 00:40LHR-FAI

22h 10m2 stops

£593

Find Deal

Wed, 8 Oct - Thu, 16 Oct

06:00 - 13:40FAI-LHR

22h 40m1 stop

09:50 - 21:21LHR-FAI

20h 31m1 stop

£671American Airlines

Find Deal

Thu, 9 Oct - Thu, 16 Oct

07:13 - 11:40JNU-LHR

20h 27m3 stops

09:55 - 23:41LHR-JNU

21h 46m2 stops

£892American Airlines

Find Deal

Wed, 29 Oct - Sun, 2 Nov

American Airlines flights from Alaska to London

Our best American Airlines deals on Alaska to London flight tickets

American Airlines

9 Oct

FAI06:00Fairbanks

22h 40m

1 stop

LHR13:40London Heathrow

16 Oct

LHR09:50London Heathrow

20h 31m

1 stop

FAI21:21Fairbanks

£671

Find similar

American Airlines

29 Oct

JNU07:13Juneau Intl

20h 27m

3 stops

LHR11:40London Heathrow

2 Nov

LHR09:55London Heathrow

21h 46m

2 stops

JNU23:41Juneau Intl

£892

Find similar

American Airlines

10 Oct

FAI06:00Fairbanks

15h 50m

1 stop

LHR06:50London Heathrow

18 Oct

LHR09:50London Heathrow

20h 31m

1 stop

FAI21:21Fairbanks

£918

Find similar

Virgin Atlantic flights from Alaska to London

Our best Virgin Atlantic deals on Alaska to London flight tickets

Virgin Atlantic

8 Oct

ANC14:10Anchorage

15h 05m

1 stop

LHR14:15London Heathrow

15 Oct

LHR13:25London Heathrow

18h 18m

1 stop

ANC22:43Anchorage

£529

Find similar

Virgin Atlantic

9 Oct

ANC14:10Anchorage

15h 05m

1 stop

LHR14:15London Heathrow

16 Oct

LHR13:25London Heathrow

18h 18m

1 stop

ANC22:43Anchorage

£571

Find similar

Virgin Atlantic

9 Oct

ANC11:15Anchorage

23h 45m

2 stops

LHR20:00London Heathrow

16 Oct

LHR11:30London Heathrow

23h 29m

2 stops

ANC01:59Anchorage

£586

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 8/10

14:10-14:15

1 stop15h 05m

London Heathrow

Wed 15/10

13:25-22:43

1 stop18h 18m

£529

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 14/9

06:00-14:15

1 stop23h 15m

London Heathrow

Fri 26/9

06:15-16:20

2 stops19h 05m

£548

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 24/9

11:15-11:20

1 stop15h 05m

London Heathrow

Tue 30/9

06:15-16:20

2 stops19h 05m

£549

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 7/10

00:30-11:20

1 stop25h 50m

London Heathrow

Wed 15/10

13:25-22:43

1 stop18h 18m

£560

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/10

06:05-08:45

2 stops18h 40m

London Heathrow

Mon 10/11

19:20-16:22

2 stops30h 02m

£562

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 23/9

00:55-14:15

1 stop28h 20m

London Heathrow

Wed 1/10

17:25-01:37

1 stop17h 12m

£568

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 23/9

00:55-14:15

1 stop28h 20m

London Heathrow

Tue 30/9

17:25-01:37

1 stop17h 12m

£568

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 8/10

01:45-14:15

1 stop27h 30m

London Heathrow

Thu 16/10

11:30-00:40

2 stops22h 10m

£593

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 9/10

06:00-13:40

1 stop22h 40m

London Heathrow

Thu 16/10

09:50-21:21

1 stop20h 31m

£671

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Wed 29/10

07:13-11:40

3 stops20h 27m

London Heathrow

Sun 2/11

09:55-23:41

2 stops21h 46m

£892

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 October. Flight prices, which tend to average around £601, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Alaska averaging around £652.

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 £924. 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 £1,031.

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 £924. Flights in the evening are often more expensive, with an average ticket price of £1,366.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 47% 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

Direct flights	None

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 many operators does momondo search for flights from Alaska to London?
The number of operators available for flights from Alaska to London is 1 as of August 2025.
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.

Best airlines flying from Alaska to London

Compare and see reviews for airlines that fly from Alaska to London with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £500	Free Cancellation	Rating 7.4 658 reviews		Search Virgin Atlantic flights

Eastbourne

Milton Keynes

Luton

Maidstone

Slough

Gatwick

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Dartford

Chelmsford

Dover

Hounslow

Hayes

Folkestone

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.