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

Lufthansa, United Airlines, and American Airlines 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 13h 57m and 16h, respectively.

What airlines fly to London?

Delta, United Airlines and British Airways are the top three most popular airlines that fly to London from Alaska according to our data. Delta is the first choice among our users, with 68% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 3 as of October 2025.

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.

$369 Cheap Flights from Alaska to London in 2025/26

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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.

1:50 am - 10:30 amFAI-LHR

24h 40m1 stop

6:20 am - 12:23 amLHR-FAI

27h 03m2 stops

$592Delta

Find Deal

Sat, Oct 25 - Tue, Nov 18

1:50 am - 10:30 amFAI-LHR

24h 40m1 stop

11:45 am - 12:23 amLHR-FAI

45h 38m2 stops

$593Delta

Find Deal

Sat, Oct 25 - Mon, Nov 17

9:07 pm - 7:10 amANC-LHR

49h 03m2 stops

7:40 am - 10:56 pmLHR-ANC

24h 16m2 stops

$617Multiple Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 21

6:05 am - 7:05 amANC-LHR

16h 00m1 stop

6:20 am - 6:46 pmLHR-ANC

21h 26m2 stops

$640Multiple Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 21

6:05 am - 7:05 amANC-LHR

17h 00m1 stop

6:30 am - 4:42 pmLHR-ANC

19h 12m2 stops

$641KLM

Find Deal

Mon, Oct 27 - Mon, Nov 10

12:30 am - 10:30 amANC-LHR

25h 00m1 stop

8:40 am - 6:46 pmLHR-ANC

19h 06m2 stops

$642KLM

Find Deal

Sun, Nov 9 - Sun, Nov 23

9:07 pm - 7:10 amANC-LHR

49h 03m2 stops

6:35 am - 7:59 pmLHR-ANC

22h 24m2 stops

$666United Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 21

11:59 pm - 9:40 amANC-LHR

24h 41m1 stop

6:00 pm - 10:56 pmLHR-ANC

37h 56m2 stops

$692United Airlines

Find Deal

Thu, Nov 27 - Thu, Dec 4

9:00 am - 5:45 pmANC-LHR

23h 45m2 stops

7:30 pm - 7:45 pmLHR-ANC

32h 15m2 stops

$823Lufthansa

Find Deal

Tue, Feb 24 - Mon, Mar 9

9:00 am - 4:40 pmANC-LCY

22h 40m2 stops

6:10 pm - 7:45 pmLCY-ANC

33h 35m2 stops

$1,556Lufthansa

Find Deal

Wed, Mar 4 - Wed, Mar 18

Delta flights from Alaska to London

Our best Delta deals on Alaska to London flight tickets

Delta

Oct 25

FAI1:50 amFairbanks

24h 40m

1 stop

LHR10:30 amLondon Heathrow

Nov 18

LHR6:20 amLondon Heathrow

27h 03m

2 stops

FAI12:23 amFairbanks

$592

Find similar

Delta

Oct 25

FAI1:50 amFairbanks

24h 40m

1 stop

LHR10:30 amLondon Heathrow

Nov 17

LHR11:45 amLondon Heathrow

45h 38m

2 stops

FAI12:23 amFairbanks

$593

Find similar

Delta

Oct 25

FAI1:50 amFairbanks

24h 50m

2 stops

LHR10:40 amLondon Heathrow

Nov 19

LHR6:20 amLondon Heathrow

27h 03m

2 stops

FAI12:23 amFairbanks

$596

Find similar

KLM flights from Alaska to London

Our best KLM deals on Alaska to London flight tickets

KLM

Oct 27

ANC6:05 amAnchorage

17h 00m

1 stop

LHR7:05 amLondon Heathrow

Nov 10

LHR6:30 amLondon Heathrow

19h 12m

2 stops

ANC4:42 pmAnchorage

$641

Find similar

KLM

Nov 9

ANC12:30 amAnchorage

25h 00m

1 stop

LHR10:30 amLondon Heathrow

Nov 23

LHR8:40 amLondon Heathrow

19h 06m

2 stops

ANC6:46 pmAnchorage

$642

Find similar

KLM

Nov 7

ANC6:05 amAnchorage

16h 00m

1 stop

LHR7:05 amLondon Heathrow

Nov 21

LHR11:05 amLondon Heathrow

16h 41m

1 stop

ANC6:46 pmAnchorage

$648

Find similar

Fly from

Fly to

Route

Depart

Return

Price

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 10/25

1:50 am-10:30 am

1 stop24h 40m

London Heathrow

Tue 11/18

6:20 am-12:23 am

2 stops27h 03m

$592

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 10/25

1:50 am-10:30 am

1 stop24h 40m

London Heathrow

Mon 11/17

11:45 am-12:23 am

2 stops45h 38m

$593

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 11/7

9:07 pm-7:10 am

2 stops49h 03m

London Heathrow

Fri 11/21

7:40 am-10:56 pm

2 stops24h 16m

$617

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 11/7

6:05 am-7:05 am

1 stop16h 00m

London Heathrow

Fri 11/21

6:20 am-6:46 pm

2 stops21h 26m

$640

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/27

6:05 am-7:05 am

1 stop17h 00m

London Heathrow

Mon 11/10

6:30 am-4:42 pm

2 stops19h 12m

$641

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 11/9

12:30 am-10:30 am

1 stop25h 00m

London Heathrow

Sun 11/23

8:40 am-6:46 pm

2 stops19h 06m

$642

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 11/7

9:07 pm-7:10 am

2 stops49h 03m

London Heathrow

Fri 11/21

6:35 am-7:59 pm

2 stops22h 24m

$666

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 11/27

11:59 pm-9:40 am

1 stop24h 41m

London Heathrow

Thu 12/4

6:00 pm-10:56 pm

2 stops37h 56m

$692

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-5:45 pm

2 stops23h 45m

London Heathrow

Mon 3/9

7:30 pm-7:45 pm

2 stops32h 15m

$823

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Wed 3/4

9:00 am-4:40 pm

2 stops22h 40m

London City

Wed 3/18

6:10 pm-7:45 pm

2 stops33h 35m

$1,556

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 January is another great option to travel to London, with average flight prices from Alaska averaging around $950.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Alaska to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $890. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,366. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Alaska in the morning is the least expensive time of day to depart. momondo users have found prices as low as $962 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $1,115. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Alaska to London flights?

You could potentially save up to 11% 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

Direct flights	None

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 3 as of October 2025.
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 8,979 reviews	Search United Airlines flights
Delta	PriceFrom $776	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
British Airways	PriceFrom $876	Free Cancellation	Rating 6.7 7,456 reviews	Search British Airways flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Dartford

Crawley

Hayes

Brentwood

Chelmsford

Colchester

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

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.