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

Icelandair, United Airlines, and KLM are the most popular carriers operating from Alaska to London

How long does it take to fly to London?

If you’re flying from a popular airport in Alaska, such as Juneau or Anchorage, and flying into London, then you can expect flight times to average 14h 13m and 14h 35m, respectively.

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

Prices for flights from Alaska to London are refreshed on a daily basis.

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

The number of operators available for flights from Alaska to London is 2 as of January 2026.

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

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 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.

$390 Cheap Flights from Alaska to London in 2026

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Find the cheapest flights from Alaska to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 11:55 am

ANC

LHR

14h 35m

1 stop

2:30 pm - 12:29 am

LHR

ANC

17h 59m

1 stop

$891Virgin Atlantic

Mon, Mar 16 - Mon, Mar 23

6:15 am - 4:50 pm

ANC

LHR

26h 35m

2 stops

4:35 pm - 12:29 am

LHR

ANC

39h 54m

2 stops

$898Virgin Atlantic

Mon, Mar 16 - Mon, Mar 23

9:10 pm - 5:55 am

ANC

LHR

24h 45m

1 stop

1:25 pm - 8:01 pm

LHR

ANC

38h 36m

2 stops

$901United Airlines

Sun, Mar 15 - Sun, Mar 22

9:00 am - 9:40 am

ANC

LHR

15h 40m

1 stop

1:25 pm - 8:01 pm

LHR

ANC

38h 36m

2 stops

$903United Airlines

Tue, Mar 3 - Tue, Mar 24

1:20 am - 10:30 am

ANC

LHR

24h 10m

1 stop

2:30 pm - 12:09 am

LHR

ANC

18h 39m

1 stop

$909KLM

Wed, Feb 25 - Thu, Mar 5

6:00 am - 10:55 am

ANC

LGW

19h 55m

2 stops

11:55 am - 11:04 pm

LGW

ANC

19h 09m

2 stops

$946Icelandair

Mon, Feb 23 - Mon, Mar 9

5:15 am - 10:55 am

ANC

LGW

20h 40m

2 stops

11:55 am - 12:30 am

LGW

ANC

20h 35m

2 stops

$949Icelandair

Mon, Feb 23 - Mon, Mar 9

1:30 am - 12:10 pm

FAI

LHR

25h 40m

1 stop

11:45 am - 12:40 am

LHR

FAI

21h 55m

2 stops

$968Delta

Thu, Apr 2 - Thu, Apr 16

6:00 am - 9:30 am

ANC

LCY

18h 30m

2 stops

9:20 am - 6:48 pm

LCY

ANC

18h 28m

2 stops

$984KLM

Tue, Apr 28 - Mon, May 11

1:30 am - 12:10 pm

FAI

LHR

25h 40m

1 stop

5:45 pm - 12:40 am

LHR

FAI

15h 55m

1 stop

$997Delta

Thu, Apr 2 - Thu, Apr 16

British Airways flights from Alaska to London

Our best British Airways deals on Alaska to London flight tickets

British Airways

Apr 28

ANC8:30 pmAnchorage

26h 25m

1 stop

LHR7:55 amLondon Heathrow

May 11

LHR8:55 amLondon Heathrow

18h 55m

1 stop

ANC6:50 pmAnchorage

$974

British Airways

Apr 5

ANC8:13 pmAnchorage

26h 52m

1 stop

LHR8:05 amLondon Heathrow

Apr 13

LHR8:55 amLondon Heathrow

18h 55m

1 stop

ANC6:50 pmAnchorage

$975

British Airways

Mar 26

ANC8:13 pmAnchorage

26h 07m

1 stop

LHR6:20 amLondon Heathrow

Apr 12

LHR8:55 amLondon Heathrow

18h 55m

1 stop

ANC6:50 pmAnchorage

$1,005

Delta flights from Alaska to London

Our best Delta deals on Alaska to London flight tickets

Delta

Feb 25

ANC1:20 amAnchorage

20h 00m

2 stops

LHR6:20 amLondon Heathrow

Mar 5

LHR12:20 pmLondon Heathrow

17h 24m

1 stop

ANC8:44 pmAnchorage

$914

Delta

Feb 27

ANC1:20 amAnchorage

21h 30m

2 stops

LHR7:50 amLondon Heathrow

Mar 7

LHR8:55 amLondon Heathrow

22h 51m

2 stops

ANC10:46 pmAnchorage

$915

Delta

Apr 28

ANC1:44 pmAnchorage

16h 51m

1 stop

LHR3:35 pmLondon Heathrow

May 11

LHR11:45 amLondon Heathrow

22h 50m

2 stops

ANC1:35 amAnchorage

$948

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 3/16

1:20 pm-11:55 am

1 stop14h 35m

London Heathrow

Mon 3/23

2:30 pm-12:29 am

1 stop17h 59m

$891

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 3/16

6:15 am-4:50 pm

2 stops26h 35m

London Heathrow

Mon 3/23

4:35 pm-12:29 am

2 stops39h 54m

$898

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 3/15

9:10 pm-5:55 am

1 stop24h 45m

London Heathrow

Sun 3/22

1:25 pm-8:01 pm

2 stops38h 36m

$901

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 3/3

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Tue 3/24

1:25 pm-8:01 pm

2 stops38h 36m

$903

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 2/25

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

Thu 3/5

2:30 pm-12:09 am

1 stop18h 39m

$909

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Mon 2/23

6:00 am-10:55 am

2 stops19h 55m

London Gatwick

Mon 3/9

11:55 am-11:04 pm

2 stops19h 09m

$946

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Mon 2/23

5:15 am-10:55 am

2 stops20h 40m

London Gatwick

Mon 3/9

11:55 am-12:30 am

2 stops20h 35m

$949

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 4/2

1:30 am-12:10 pm

1 stop25h 40m

London Heathrow

Thu 4/16

11:45 am-12:40 am

2 stops21h 55m

$968

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Tue 4/28

6:00 am-9:30 am

2 stops18h 30m

London City

Mon 5/11

9:20 am-6:48 pm

2 stops18h 28m

$984

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 4/2

1:30 am-12:10 pm

1 stop25h 40m

London Heathrow

Thu 4/16

5:45 pm-12:40 am

1 stop15h 55m

$997

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 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 April. Flight prices, which tend to average around $881, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Alaska averaging around $931.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 15% 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

Fastest flight time	14h 13m
Direct flights	None

The fastest flight from Alaska to London takes 14h 13m

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Alaska to London?
The number of operators available for flights from Alaska to London is 2 as of January 2026.
How old do you have to be to fly from Alaska to London?
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 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
United Airlines	PriceFrom $771	Free Cancellation	Rating 7.4 9,219 reviews		Search United Airlines flights
Delta	PriceFrom $776	Free Cancellation	Rating 7.9 8,130 reviews		Search Delta flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Hayes

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Croydon

Richmond

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Alaska to London for you.

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

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

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?

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