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

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

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

Prices for flights from London to Alaska refresh daily.

How old do you have to be to fly from London 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 London to Alaska.

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

The required travel and health documents for your Alaska 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 Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$460 Cheap Flights from London to Alaska in 2026

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Find the cheapest flights from London to Alaska

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 12:35 am

LHR

ANC

27h 35m

2 stops

12:59 am - 10:10 am

ANC

LHR

24h 11m

2 stops

$877Multiple Airlines

Sun, May 3 - Sat, May 9

11:40 am - 12:35 am

LHR

ANC

21h 55m

1 stop

12:59 am - 3:25 pm

ANC

LHR

29h 26m

2 stops

$908Multiple Airlines

Sun, May 3 - Sat, May 9

1:00 pm - 10:43 pm

LGW

ANC

18h 43m

2 stops

1:22 pm - 2:40 pm

ANC

LGW

40h 18m

2 stops

$999Icelandair

Thu, Apr 30 - Mon, May 4

1:00 pm - 10:43 pm

LGW

ANC

18h 43m

2 stops

1:22 pm - 2:40 pm

ANC

LGW

16h 18m

2 stops

$1,035Icelandair

Thu, Apr 30 - Mon, May 4

6:40 am - 10:22 pm

LHR

ANC

24h 42m

2 stops

6:00 am - 5:40 pm

ANC

LHR

26h 40m

2 stops

$1,065Scandinavian Airlines

Sat, Sep 5 - Sat, Sep 19

6:40 am - 1:35 am

LHR

ANC

27h 55m

3 stops

6:00 am - 5:40 pm

ANC

LHR

26h 40m

2 stops

$1,072Scandinavian Airlines

Sat, Sep 5 - Sat, Sep 19

10:00 am - 12:25 am

LCY

ANC

23h 25m

2 stops

6:00 am - 9:30 am

ANC

LCY

18h 30m

2 stops

$1,623Delta

Mon, Apr 13 - Mon, Apr 20

10:00 am - 12:40 am

LCY

FAI

23h 40m

2 stops

1:40 am - 9:30 am

FAI

LCY

22h 50m

2 stops

$1,631KLM

Mon, May 4 - Sun, May 10

10:00 am - 12:25 am

LCY

ANC

23h 25m

2 stops

6:00 am - 9:30 am

ANC

LCY

18h 30m

2 stops

$1,651Delta

Mon, Apr 13 - Mon, Apr 20

10:20 am - 8:46 pm

LCY

ANC

19h 26m

2 stops

6:00 am - 7:55 am

ANC

LCY

16h 55m

2 stops

$1,652KLM

Mon, May 4 - Mon, May 11

KLM flights from London to Alaska

Our best KLM deals on London to Alaska flight tickets

KLM

May 4

LCY10:00 amLondon City

23h 40m

2 stops

FAI12:40 amFairbanks

May 10

FAI1:40 amFairbanks

22h 50m

2 stops

LCY9:30 amLondon City

$1,631

KLM

May 4

LCY10:20 amLondon City

19h 26m

2 stops

ANC8:46 pmAnchorage

May 11

ANC6:00 amAnchorage

16h 55m

2 stops

LCY7:55 amLondon City

$1,652

KLM

May 6

LCY10:00 amLondon City

19h 46m

2 stops

ANC8:46 pmAnchorage

May 13

ANC6:00 amAnchorage

17h 50m

2 stops

LCY8:50 amLondon City

$1,654

Icelandair flights from London to Alaska

Our best Icelandair deals on London to Alaska flight tickets

Icelandair

Apr 30

LGW1:00 pmLondon Gatwick

18h 43m

2 stops

ANC10:43 pmAnchorage

May 4

ANC1:22 pmAnchorage

40h 18m

2 stops

LGW2:40 pmLondon Gatwick

$999

Icelandair

Apr 30

LGW1:00 pmLondon Gatwick

18h 43m

2 stops

ANC10:43 pmAnchorage

May 4

ANC1:22 pmAnchorage

16h 18m

2 stops

LGW2:40 pmLondon Gatwick

$1,035

Icelandair

Apr 30

LHR1:05 pmLondon Heathrow

18h 38m

2 stops

ANC10:43 pmAnchorage

May 4

ANC1:22 pmAnchorage

21h 58m

2 stops

LHR8:20 pmLondon Heathrow

$1,036

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 5/3

6:00 am-12:35 am

2 stops27h 35m

Anchorage

Sat 5/9

12:59 am-10:10 am

2 stops24h 11m

$877

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 5/3

11:40 am-12:35 am

1 stop21h 55m

Anchorage

Sat 5/9

12:59 am-3:25 pm

2 stops29h 26m

$908

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 4/30

1:00 pm-10:43 pm

2 stops18h 43m

Anchorage

Mon 5/4

1:22 pm-2:40 pm

2 stops40h 18m

$999

Quickest round-trip

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 4/30

1:00 pm-10:43 pm

2 stops18h 43m

Anchorage

Mon 5/4

1:22 pm-2:40 pm

2 stops16h 18m

$1,035

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/5

6:40 am-10:22 pm

2 stops24h 42m

Anchorage

Sat 9/19

6:00 am-5:40 pm

2 stops26h 40m

$1,065

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/5

6:40 am-1:35 am

3 stops27h 55m

Anchorage

Sat 9/19

6:00 am-5:40 pm

2 stops26h 40m

$1,072

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 4/13

10:00 am-12:25 am

2 stops23h 25m

Anchorage

Mon 4/20

6:00 am-9:30 am

2 stops18h 30m

$1,623

LondonFairbanks

LCY - FAI

LCYFAI

London City

Mon 5/4

10:00 am-12:40 am

2 stops23h 40m

Fairbanks

Sun 5/10

1:40 am-9:30 am

2 stops22h 50m

$1,631

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 4/13

10:00 am-12:25 am

2 stops23h 25m

Anchorage

Mon 4/20

6:00 am-9:30 am

2 stops18h 30m

$1,651

LondonAnchorage

LCY - ANC

LCYANC

London City

Mon 5/4

10:20 am-8:46 pm

2 stops19h 26m

Anchorage

Mon 5/11

6:00 am-7:55 am

2 stops16h 55m

$1,652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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

What is the cheapest month to fly to Alaska?

If you don’t want to visit Alaska in October, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of $942.

Can stopping save me money on London to Alaska flights?

You could potentially save up to 36% on your flight if you consider stops on a London to Alaska flight.

Cheap London to Alaska flight deals and tips

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

Fastest flight time	18h 38m
Direct flights	None

The fastest flight from London to Alaska takes 18h 38m

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

Search flight deals

When did momondo last update prices for flights from London to Alaska?
Prices for flights from London to Alaska refresh daily.
How old do you have to be to fly from London 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 London to Alaska.
What documentation or ID do you need to fly to Alaska?
The required travel and health documents for your Alaska 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 Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Alaska from London 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 London to Alaska with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Alaska flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Alaska?

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 Alaska from London.

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

Price alerts on flights to Alaska from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.