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 16h 28m on average. If you fly from Manchester (another popular airport in United Kingdom) to Anchorage, then the average flight time is 17h 25m.

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

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

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 31% 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.

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 August 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.

£445 Cheap Flights from the United Kingdom to Alaska in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

10:55 - 00:22LGW-ANC

22h 27m1 stop

00:24 - 10:55ANC-LGW

25h 31m1 stop

£612

Find Deal

Sun, 5 Oct - Sat, 11 Oct

10:55 - 00:22LGW-ANC

22h 27m1 stop

00:34 - 10:55ANC-LGW

25h 21m2 stops

£612

Find Deal

Sun, 5 Oct - Sat, 11 Oct

15:40 - 01:59LGW-ANC

19h 19m2 stops

13:10 - 14:40ANC-LGW

16h 30m2 stops

£642Icelandair

Find Deal

Sun, 5 Oct - Sat, 11 Oct

15:40 - 22:45LGW-ANC

40h 05m2 stops

13:10 - 14:40ANC-LGW

16h 30m2 stops

£647Icelandair

Find Deal

Sun, 5 Oct - Sat, 11 Oct

06:30 - 22:27LHR-FAI

24h 57m2 stops

01:30 - 07:50FAI-LHR

21h 20m2 stops

£1,133Virgin Atlantic

Find Deal

Thu, 27 Nov - Sun, 30 Nov

20:20 - 18:47GLA-ANC

31h 27m2 stops

20:21 - 10:45ANC-GLA

29h 24m2 stops

£1,194British Airways

Find Deal

Thu, 27 Nov - Sun, 30 Nov

12:45 - 18:47GLA-ANC

39h 02m2 stops

20:21 - 10:45ANC-GLA

29h 24m2 stops

£1,202British Airways

Find Deal

Thu, 27 Nov - Sun, 30 Nov

18:00 - 00:50LHR-FAI

15h 50m1 stop

01:50 - 11:20FAI-LHR

24h 30m1 stop

£1,217Virgin Atlantic

Find Deal

Fri, 29 Aug - Thu, 4 Sep

11:10 - 20:19MAN-ANC

18h 09m2 stops

00:55 - 10:20ANC-MAN

24h 25m2 stops

£1,275KLM

Find Deal

Fri, 19 Sep - Mon, 22 Sep

08:55 - 01:36MAN-ANC

25h 41m2 stops

00:55 - 10:20ANC-MAN

24h 25m2 stops

£1,295KLM

Find Deal

Fri, 19 Sep - Mon, 22 Sep

British Airways flights from United Kingdom to Alaska

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

British Airways

27 Nov

GLA20:20Glasgow Intl

31h 27m

2 stops

ANC18:47Anchorage

30 Nov

ANC20:21Anchorage

29h 24m

2 stops

GLA10:45Glasgow Intl

£1,194

Find similar

British Airways

27 Nov

GLA12:45Glasgow Intl

39h 02m

2 stops

ANC18:47Anchorage

30 Nov

ANC20:21Anchorage

29h 24m

2 stops

GLA10:45Glasgow Intl

£1,202

Find similar

Icelandair flights from United Kingdom to Alaska

Our best Icelandair deals on United Kingdom to Alaska flight tickets

Icelandair

5 Oct

LGW15:40London Gatwick

19h 19m

2 stops

ANC01:59Anchorage

11 Oct

ANC13:10Anchorage

16h 30m

2 stops

LGW14:40London Gatwick

£642

Find similar

Icelandair

5 Oct

LGW15:40London Gatwick

40h 05m

2 stops

ANC22:45Anchorage

11 Oct

ANC13:10Anchorage

16h 30m

2 stops

LGW14:40London Gatwick

£647

Find similar

Icelandair

15 Sept

LHR21:25London Heathrow

37h 18m

2 stops

ANC01:43Anchorage

22 Sept

ANC13:25Anchorage

21h 55m

2 stops

LHR20:20London Heathrow

£656

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

10:55-00:22

1 stop22h 27m

Anchorage

Sat 11/10

00:24-10:55

1 stop25h 31m

£612

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

10:55-00:22

1 stop22h 27m

Anchorage

Sat 11/10

00:34-10:55

2 stops25h 21m

£612

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

15:40-01:59

2 stops19h 19m

Anchorage

Sat 11/10

13:10-14:40

2 stops16h 30m

£642

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

15:40-22:45

2 stops40h 05m

Anchorage

Sat 11/10

13:10-14:40

2 stops16h 30m

£647

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 27/11

06:30-22:27

2 stops24h 57m

Fairbanks

Sun 30/11

01:30-07:50

2 stops21h 20m

£1,133

GlasgowAnchorage

GLA - ANC

GLAANC

Glasgow Intl

Thu 27/11

20:20-18:47

2 stops31h 27m

Anchorage

Sun 30/11

20:21-10:45

2 stops29h 24m

£1,194

GlasgowAnchorage

GLA - ANC

GLAANC

Glasgow Intl

Thu 27/11

12:45-18:47

2 stops39h 02m

Anchorage

Sun 30/11

20:21-10:45

2 stops29h 24m

£1,202

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 29/8

18:00-00:50

1 stop15h 50m

Fairbanks

Thu 4/9

01:50-11:20

1 stop24h 30m

£1,217

ManchesterAnchorage

MAN - ANC

MANANC

Manchester

Fri 19/9

11:10-20:19

2 stops18h 09m

Anchorage

Mon 22/9

00:55-10:20

2 stops24h 25m

£1,275

ManchesterAnchorage

MAN - ANC

MANANC

Manchester

Fri 19/9

08:55-01:36

2 stops25h 41m

Anchorage

Mon 22/9

00:55-10:20

2 stops24h 25m

£1,295

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 April. Flight prices, which tend to average around £796, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in April, then February is your next best option. Flight prices from United Kingdom to Alaska during February average around £809.

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 £836. 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 £1,116.

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 £782. 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 £1,073 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 £1,139 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 47% 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

Best price found	£445
Fastest flight time	13h 05m
Direct flights	None
Airports in Alaska	2 airports

The best one-way flight to Alaska from United Kingdom in the past 72 hours is £445. The best return flight deal from United Kingdom to Alaska found on momondo in the last 72 hours is £612.

The fastest flight from United Kingdom to Alaska takes 13h 05m

There are no direct flights from United Kingdom to Alaska. Popular non-direct routes for this connection are London City Airport - Anchorage Airport, London Gatwick Airport - Anchorage Airport and London Heathrow Airport - Anchorage Airport.

There are 2 airports near Alaska: Anchorage (ANC), Fairbanks (FAI)

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 August 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 £545	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom £646	Free Cancellation	Rating 7.0 520 reviews	Search Icelandair flights
British Airways	PriceFrom £720	Free Cancellation	Rating 6.6 7,224 reviews	Search British Airways flights
Lufthansa	PriceFrom £760	Free Cancellation	Rating 6.8 7,276 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £1,057	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom £1,083	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
KLM	PriceFrom £1,084	Free Cancellation	Rating 7.8 1,384 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.