How long is the flight from United Kingdom to Alaska?

The flight from United Kingdom to Alaska depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London (a popular airport in United Kingdom) to Anchorage (the most popular airport in Alaska), then the flight time is 15h 23m on average. If you fly from Manchester (another popular airport in United Kingdom) to Anchorage, then the average flight time is 18h 56m.

Which airlines fly to Alaska?

Icelandair, British Airways and Virgin Atlantic are the top three most popular airlines that fly to Alaska from United Kingdom according to our data. Icelandair is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Alaska. Keep in mind that there are 7 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United Kingdom to Alaska?

Lufthansa, Icelandair, and Delta are the most popular carriers operating from United Kingdom to Alaska

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

Prices for flights from United Kingdom to Alaska are updated daily.

How many operators does momondo search for flights from United Kingdom to Alaska?

There are 7 operators available for flights from United Kingdom to Alaska as of December 2025.

How old do you have to be to fly from United Kingdom to Alaska?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Alaska.

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

The travel and health documents required for your trip to Alaska can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alaska. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£422 Cheap Flights from the United Kingdom to Alaska in 2025/26

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Find the cheapest flights from the United Kingdom to Alaska

Round-trip

One-way

Last minute

Recent return flight deals from the United Kingdom to Alaska

Enter your travel dates to find the best prices.

12:15 - 23:56

LHR

FAI

20h 41m2 stops

02:10 - 10:50

FAI

LHR

23h 40m2 stops

£602Multiple Airlines

Sat, 31 Jan - Fri, 6 Feb

21:25 - 22:29

LHR

ANC

58h 04m2 stops

13:00 - 20:20

ANC

LHR

22h 20m2 stops

£614Icelandair

Tue, 14 Apr - Wed, 29 Apr

20:35 - 22:52

LHR

ANC

35h 17m2 stops

08:00 - 10:50

ANC

LHR

17h 50m2 stops

£659Icelandair

Tue, 13 Jan - Tue, 27 Jan

14:55 - 21:51

LHR

ANC

15h 56m1 stop

00:38 - 07:10

ANC

LHR

21h 32m1 stop

£675Multiple Airlines

Fri, 30 Jan - Thu, 5 Feb

09:25 - 23:56

LHR

FAI

23h 31m1 stop

02:10 - 07:10

FAI

LHR

20h 00m1 stop

£681Multiple Airlines

Sat, 31 Jan - Fri, 6 Feb

14:00 - 17:29

GLA

ANC

60h 29m2 stops

06:00 - 18:15

ANC

GLA

27h 15m2 stops

£1,177American Airlines

Tue, 13 Jan - Wed, 21 Jan

08:55 - 22:52

GLA

ANC

46h 57m2 stops

05:05 - 18:15

ANC

GLA

28h 10m2 stops

£1,182American Airlines

Mon, 12 Jan - Mon, 26 Jan

06:05 - 18:56

GLA

ANC

21h 51m2 stops

21:15 - 09:55

ANC

GLA

27h 40m2 stops

£1,196Delta

Tue, 13 Jan - Sun, 25 Jan

13:30 - 16:33

ABZ

ANC

36h 03m2 stops

12:15 - 19:40

ANC

ABZ

22h 25m2 stops

£1,313British Airways

Thu, 22 Jan - Mon, 26 Jan

09:00 - 16:33

ABZ

ANC

40h 33m2 stops

12:15 - 18:40

ANC

ABZ

21h 25m2 stops

£1,316British Airways

Thu, 22 Jan - Mon, 26 Jan

British Airways flights from United Kingdom to Alaska

Our best British Airways deals on United Kingdom to Alaska flight tickets

British Airways

22 Jan

GLA08:40Glasgow Intl

22h 11m

2 stops

ANC21:51Anchorage

26 Jan

ANC12:15Anchorage

21h 00m

2 stops

GLA18:15Glasgow Intl

£1,311

Find similar

British Airways

22 Jan

ABZ13:30Aberdeen Dyce

36h 03m

2 stops

ANC16:33Anchorage

26 Jan

ANC12:15Anchorage

22h 25m

2 stops

ABZ19:40Aberdeen Dyce

£1,313

Find similar

British Airways

22 Jan

GLA16:50Glasgow Intl

38h 01m

2 stops

ANC21:51Anchorage

26 Jan

ANC12:15Anchorage

21h 00m

2 stops

GLA18:15Glasgow Intl

£1,314

Find similar

Icelandair flights from United Kingdom to Alaska

Our best Icelandair deals on United Kingdom to Alaska flight tickets

Icelandair

13 Jan

LHR20:35London Heathrow

35h 17m

2 stops

ANC22:52Anchorage

27 Jan

ANC08:00Anchorage

17h 50m

2 stops

LHR10:50London Heathrow

£659

Find similar

Icelandair

30 Jan

LHR20:35London Heathrow

34h 16m

2 stops

ANC21:51Anchorage

6 Feb

ANC08:00Anchorage

17h 50m

2 stops

LHR10:50London Heathrow

£696

Find similar

Icelandair

13 Jan

LHR20:35London Heathrow

35h 17m

2 stops

ANC22:52Anchorage

24 Jan

ANC08:00Anchorage

17h 50m

2 stops

LHR10:50London Heathrow

£698

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 31/1

12:15-23:56

2 stops20h 41m

Fairbanks

Fri 6/2

02:10-10:50

2 stops23h 40m

£602

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 14/4

21:25-22:29

2 stops58h 04m

Anchorage

Wed 29/4

13:00-20:20

2 stops22h 20m

£614

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 13/1

20:35-22:52

2 stops35h 17m

Anchorage

Tue 27/1

08:00-10:50

2 stops17h 50m

£659

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 30/1

14:55-21:51

1 stop15h 56m

Anchorage

Thu 5/2

00:38-07:10

1 stop21h 32m

£675

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 31/1

09:25-23:56

1 stop23h 31m

Fairbanks

Fri 6/2

02:10-07:10

1 stop20h 00m

£681

GlasgowAnchorage

GLA - ANC

GLAANC

Glasgow Intl

Tue 13/1

14:00-17:29

2 stops60h 29m

Anchorage

Wed 21/1

06:00-18:15

2 stops27h 15m

£1,177

GlasgowAnchorage

GLA - ANC

GLAANC

Glasgow Intl

Mon 12/1

08:55-22:52

2 stops46h 57m

Anchorage

Mon 26/1

05:05-18:15

2 stops28h 10m

£1,182

GlasgowAnchorage

GLA - ANC

GLAANC

Glasgow Intl

Tue 13/1

06:05-18:56

2 stops21h 51m

Anchorage

Sun 25/1

21:15-09:55

2 stops27h 40m

£1,196

AberdeenAnchorage

ABZ - ANC

ABZANC

Aberdeen Dyce

Thu 22/1

13:30-16:33

2 stops36h 03m

Anchorage

Mon 26/1

12:15-19:40

2 stops22h 25m

£1,313

AberdeenAnchorage

ABZ - ANC

ABZANC

Aberdeen Dyce

Thu 22/1

09:00-16:33

2 stops40h 33m

Anchorage

Mon 26/1

12:15-18:40

2 stops21h 25m

£1,316

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 United Kingdom to Alaska

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 Alaska?

The cheapest month to fly to Alaska from United Kingdom is in October. Flight prices, which tend to average around £704, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in October, then November is your next best option. Flight prices from United Kingdom to Alaska during November average around £716.

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

Our data shows that Thursday is the least expensive day to fly to Alaska. Tickets to fly out on this day can be as low as £826. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,104.

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

At midday is the cheapest time of day to fly from United Kingdom to Alaska when you can find flight prices for as low as £773. Flying to Alaska at midday is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Alaska, so prices are often more expensive at around £1,061 per ticket.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around £1,120 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from United Kingdom for as low as £798 on momondo.

Can stopping save me money on United Kingdom to Alaska flights?

You could potentially save up to 26% on your flight if you consider stops on a United Kingdom to Alaska flight.

Cheap United Kingdom to Alaska flight deals and tips

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

Fastest flight time	12h 50m
Direct flights	None

The fastest flight from United Kingdom to Alaska takes 12h 50m

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

Search flight deals

When did momondo last update prices for flights from United Kingdom to Alaska?
Prices for flights from United Kingdom to Alaska are updated daily.
How many operators does momondo search for flights from United Kingdom to Alaska?
There are 7 operators available for flights from United Kingdom to Alaska as of December 2025.
How old do you have to be to fly from United Kingdom to Alaska?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents required for your trip to Alaska can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alaska. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United Kingdom to Alaska

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom £539	Free Cancellation	Rating 7.4 1,607 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom £654	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
British Airways	PriceFrom £698	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Lufthansa	PriceFrom £807	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £1,057	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom £1,071	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
KLM	PriceFrom £1,072	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Alaska?

Finding the right flight to Alaska from United Kingdom 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 Alaska quick and easy, saving you time and money.

Can I find flights from United Kingdom to Alaska with flexible booking policies on momondo?

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

How can momondo help me find flights from United Kingdom to Alaska?

momondo helps you find the best flight between United Kingdom and Alaska by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of United Kingdom to Alaska flights. All you need is a valid email address and we will do the rest; it is that quick and easy.