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

Alaska Airlines, United Airlines, and Delta 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 Anchorage or Fairbanks, and flying into London, then you can expect flight times to average 13h 40m and 15h 53m, 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 May 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.

$333 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.

6:00 am - 5:40 pm

ANC

LHR

26h 40m

2 stops

7:30 pm - 10:36 pm

LHR

ANC

36h 06m

2 stops

$882Scandinavian Airlines

Sat, Oct 3 - Thu, Oct 8

6:00 am - 4:00 pm

ANC

LHR

25h 00m

2 stops

6:40 am - 1:45 am

LHR

ANC

28h 05m

3 stops

$889Scandinavian Airlines

Sun, Oct 4 - Sun, Oct 11

7:00 am - 2:25 pm

ANC

LHR

22h 25m

1 stop

7:25 pm - 8:29 pm

LHR

ANC

34h 04m

2 stops

$898British Airways

Tue, Sep 8 - Tue, Sep 15

2:24 am - 12:20 pm

ANC

LHR

24h 56m

1 stop

2:45 pm - 12:52 am

LHR

ANC

19h 07m

1 stop

$901Alaska Airlines

Mon, Nov 2 - Tue, Nov 10

10:01 am - 12:20 pm

ANC

LHR

17h 19m

1 stop

2:45 pm - 9:40 am

LHR

ANC

27h 55m

2 stops

$905Alaska Airlines

Tue, Nov 3 - Tue, Nov 10

7:00 am - 2:25 pm

ANC

LHR

22h 25m

1 stop

9:45 am - 8:48 pm

LHR

ANC

20h 03m

1 stop

$914British Airways

Wed, Aug 19 - Thu, Aug 27

1:59 am - 6:45 am

ANC

LHR

19h 46m

1 stop

9:50 am - 10:48 pm

LHR

ANC

21h 58m

1 stop

$919Multiple Airlines

Mon, Oct 12 - Thu, Oct 22

2:42 pm - 3:35 pm

FAI

LHR

15h 53m

1 stop

8:55 am - 12:06 am

LHR

FAI

24h 11m

2 stops

$958Delta

Mon, Aug 24 - Tue, Sep 8

1:39 am - 7:10 am

FAI

LHR

20h 31m

2 stops

8:55 am - 12:06 am

LHR

FAI

24h 11m

2 stops

$963Delta

Sun, Aug 23 - Tue, Sep 8

1:30 am - 8:50 am

FAI

LHR

22h 20m

2 stops

11:40 am - 12:15 am

LHR

FAI

21h 35m

1 stop

$985Multiple Airlines

Mon, Sep 28 - Tue, Oct 13

British Airways flights from Alaska to London

Our best British Airways deals on Alaska to London flight tickets

British Airways

Sep 8

ANC7:00 amAnchorage

22h 25m

1 stop

LHR2:25 pmLondon Heathrow

Sep 15

LHR7:25 pmLondon Heathrow

34h 04m

2 stops

ANC8:29 pmAnchorage

$898

British Airways

Aug 19

ANC7:00 amAnchorage

22h 25m

1 stop

LHR2:25 pmLondon Heathrow

Aug 27

LHR9:45 amLondon Heathrow

20h 03m

1 stop

ANC8:48 pmAnchorage

$914

British Airways

Aug 31

ANC9:55 pmAnchorage

26h 10m

1 stop

LHR9:05 amLondon Heathrow

Sep 14

LHR7:25 pmLondon Heathrow

34h 04m

2 stops

ANC8:29 pmAnchorage

$925

KLM flights from Alaska to London

Our best KLM deals on Alaska to London flight tickets

KLM

Oct 7

ANC11:30 amAnchorage

19h 05m

1 stop

LHR3:35 pmLondon Heathrow

Oct 15

LHR6:30 amLondon Heathrow

18h 48m

2 stops

ANC4:18 pmAnchorage

$949

KLM

Oct 7

ANC6:00 amAnchorage

24h 35m

1 stop

LHR3:35 pmLondon Heathrow

Oct 15

LHR5:45 pmLondon Heathrow

17h 00m

1 stop

ANC1:45 amAnchorage

$979

KLM

Sep 12

ANC6:00 amAnchorage

24h 35m

1 stop

LHR3:35 pmLondon Heathrow

Sep 18

LHR6:30 amLondon Heathrow

18h 42m

2 stops

ANC4:12 pmAnchorage

$999

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/3

6:00 am-5:40 pm

2 stops26h 40m

London Heathrow

Thu 10/8

7:30 pm-10:36 pm

2 stops36h 06m

$882

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 10/4

6:00 am-4:00 pm

2 stops25h 00m

London Heathrow

Sun 10/11

6:40 am-1:45 am

3 stops28h 05m

$889

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 9/8

7:00 am-2:25 pm

1 stop22h 25m

London Heathrow

Tue 9/15

7:25 pm-8:29 pm

2 stops34h 04m

$898

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 11/2

2:24 am-12:20 pm

1 stop24h 56m

London Heathrow

Tue 11/10

2:45 pm-12:52 am

1 stop19h 07m

$901

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 11/3

10:01 am-12:20 pm

1 stop17h 19m

London Heathrow

Tue 11/10

2:45 pm-9:40 am

2 stops27h 55m

$905

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 8/19

7:00 am-2:25 pm

1 stop22h 25m

London Heathrow

Thu 8/27

9:45 am-8:48 pm

1 stop20h 03m

$914

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/12

1:59 am-6:45 am

1 stop19h 46m

London Heathrow

Thu 10/22

9:50 am-10:48 pm

1 stop21h 58m

$919

Quickest round-trip

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 8/24

2:42 pm-3:35 pm

1 stop15h 53m

London Heathrow

Tue 9/8

8:55 am-12:06 am

2 stops24h 11m

$958

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 8/23

1:39 am-7:10 am

2 stops20h 31m

London Heathrow

Tue 9/8

8:55 am-12:06 am

2 stops24h 11m

$963

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 9/28

1:30 am-8:50 am

2 stops22h 20m

London Heathrow

Tue 10/13

11:40 am-12:15 am

1 stop21h 35m

$985

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 November. Flight prices, which tend to average around $596, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Alaska averaging around $683.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 28% 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	12h 35m
Direct flights	None

The fastest flight from Alaska to London takes 12h 35m

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

Search flight deals

Frequently asked questions about flying from Alaska to London

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 May 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
Delta	PriceFrom $757	Free Cancellation	Rating 7.9 8,450 reviews		Search Delta flights
British Airways	PriceFrom $920	Free Cancellation	Rating 6.7 7,977 reviews		Search British Airways flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

Guildford

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.

An easier way to manage your London trip

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Cheap flights from Alaska to London from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to London departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Alaska to London

Our best British Airways deals on Alaska to London flight tickets

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Our best KLM deals on Alaska to London flight tickets

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How to get the cheapest flight ticket from Alaska to London

What is the cheapest month to fly to London?

Can stopping save me money on Alaska to London flights?

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

How long does it take to fly to London?

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

Direct flights

Frequently asked questions about flying from Alaska to London

Best airlines flying from Alaska to London

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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