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

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

Which airlines fly to Alaska?

Icelandair, Virgin Atlantic and Lufthansa 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 50% 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.

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 18h 28m on average. If you fly from Manchester (another popular airport in United Kingdom) to Anchorage, then the average flight time is 18h 30m.

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 February 2026.

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.

£425 Cheap Flights from the United Kingdom to Alaska in 2026

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

Enter your travel dates to find the best prices.

06:00 - 00:55

LHR

ANC

27h 55m

2 stops

00:53 - 17:50

ANC

LHR

32h 57m

2 stops

£579Multiple Airlines

Sat, 7 Mar - Sun, 15 Mar

07:40 - 00:55

LHR

ANC

26h 15m

2 stops

00:53 - 13:30

ANC

LHR

28h 37m

1 stop

£582Multiple Airlines

Sat, 7 Mar - Sun, 15 Mar

11:50 - 00:55

LHR

ANC

22h 05m

1 stop

00:53 - 12:20

ANC

LHR

27h 27m

1 stop

£593Multiple Airlines

Sat, 7 Mar - Sun, 15 Mar

11:55 - 21:49

LGW

ANC

18h 54m

2 stops

06:00 - 10:55

ANC

LGW

20h 55m

2 stops

£709Icelandair

Thu, 26 Feb - Tue, 24 Mar

12:15 - 21:49

LHR

ANC

18h 34m

2 stops

06:00 - 10:50

ANC

LHR

20h 50m

2 stops

£711Icelandair

Thu, 26 Feb - Tue, 24 Mar

07:45 - 18:57

LCY

ANC

20h 12m

2 stops

06:15 - 16:35

ANC

LCY

26h 20m

2 stops

£1,247KLM

Thu, 26 Feb - Wed, 11 Mar

07:45 - 18:57

LCY

ANC

20h 12m

2 stops

06:15 - 16:35

ANC

LCY

26h 20m

2 stops

£1,248KLM

Thu, 26 Feb - Wed, 11 Mar

19:00 - 22:37

LCY

ANC

36h 37m

2 stops

20:20 - 13:40

ANC

LCY

32h 20m

2 stops

£1,300British Airways

Mon, 8 Jun - Tue, 16 Jun

17:15 - 00:33

CWL

ANC

40h 18m

2 stops

01:59 - 16:45

ANC

CWL

29h 46m

2 stops

£1,358Virgin Atlantic

Thu, 25 Jun - Sun, 12 Jul

20:15 - 21:49

ABZ

ANC

34h 34m

2 stops

20:13 - 12:55

ANC

ABZ

32h 42m

2 stops

£1,404British Airways

Thu, 5 Mar - Mon, 9 Mar

Icelandair flights from United Kingdom to Alaska

Our best Icelandair deals on United Kingdom to Alaska flight tickets

Icelandair

26 Feb

LGW11:55London Gatwick

18h 54m

2 stops

ANC21:49Anchorage

24 Mar

ANC06:00Anchorage

20h 55m

2 stops

LGW10:55London Gatwick

£709

Icelandair

26 Feb

LHR12:15London Heathrow

18h 34m

2 stops

ANC21:49Anchorage

24 Mar

ANC06:00Anchorage

20h 50m

2 stops

LHR10:50London Heathrow

£711

Icelandair

25 Feb

LGW11:55London Gatwick

18h 54m

2 stops

ANC21:49Anchorage

25 Mar

ANC06:00Anchorage

20h 55m

2 stops

LGW10:55London Gatwick

£742

United Airlines flights from United Kingdom to Alaska

Our best United Airlines deals on United Kingdom to Alaska flight tickets

United Airlines

25 Feb

LHR06:30London Heathrow

25h 38m

2 stops

ANC23:08Anchorage

25 Mar

ANC21:10Anchorage

24h 45m

1 stop

LHR05:55London Heathrow

£1,095

United Airlines

15 Mar

LHR11:05London Heathrow

40h 56m

2 stops

ANC20:01Anchorage

22 Mar

ANC21:10Anchorage

24h 45m

1 stop

LHR05:55London Heathrow

£1,108

United Airlines

12 Mar

LHR09:30London Heathrow

21h 20m

2 stops

ANC22:50Anchorage

19 Mar

ANC21:10Anchorage

24h 45m

1 stop

LHR05:55London Heathrow

£1,111

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 7/3

06:00-00:55

2 stops27h 55m

Anchorage

Sun 15/3

00:53-17:50

2 stops32h 57m

£579

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 7/3

07:40-00:55

2 stops26h 15m

Anchorage

Sun 15/3

00:53-13:30

1 stop28h 37m

£582

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 7/3

11:50-00:55

1 stop22h 05m

Anchorage

Sun 15/3

00:53-12:20

1 stop27h 27m

£593

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 26/2

11:55-21:49

2 stops18h 54m

Anchorage

Tue 24/3

06:00-10:55

2 stops20h 55m

£709

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 26/2

12:15-21:49

2 stops18h 34m

Anchorage

Tue 24/3

06:00-10:50

2 stops20h 50m

£711

LondonAnchorage

LCY - ANC

LCYANC

London City

Thu 26/2

07:45-18:57

2 stops20h 12m

Anchorage

Wed 11/3

06:15-16:35

2 stops26h 20m

£1,247

LondonAnchorage

LCY - ANC

LCYANC

London City

Thu 26/2

07:45-18:57

2 stops20h 12m

Anchorage

Wed 11/3

06:15-16:35

2 stops26h 20m

£1,248

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 8/6

19:00-22:37

2 stops36h 37m

Anchorage

Tue 16/6

20:20-13:40

2 stops32h 20m

£1,300

CardiffAnchorage

CWL - ANC

CWLANC

Cardiff Wales

Thu 25/6

17:15-00:33

2 stops40h 18m

Anchorage

Sun 12/7

01:59-16:45

2 stops29h 46m

£1,358

AberdeenAnchorage

ABZ - ANC

ABZANC

Aberdeen Dyce

Thu 5/3

20:15-21:49

2 stops34h 34m

Anchorage

Mon 9/3

20:13-12:55

2 stops32h 42m

£1,404

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 £694, 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 £706.

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

You could potentially save up to 13% 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	16h 20m
Direct flights	None

The fastest flight from United Kingdom to Alaska takes 16h 20m

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 February 2026.
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 £529	Free Cancellation	Rating 7.3 1,682 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom £642	Free Cancellation	Rating 7.1 614 reviews	Search Icelandair flights
British Airways	PriceFrom £699	Free Cancellation	Rating 6.7 7,736 reviews	Search British Airways flights
Lufthansa	PriceFrom £792	Free Cancellation	Rating 6.8 7,782 reviews	Search Lufthansa flights
United Airlines	PriceFrom £1,050	Free Cancellation	Rating 7.4 9,286 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £1,058	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £1,157	Free Cancellation	Rating 7.7 1,452 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.