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 and 14h 21m, respectively.

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

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

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 65% 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 December 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.

$333 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 9:40 am

ANC

LHR

15h 40m1 stop

7:30 pm - 8:01 pm

LHR

ANC

32h 31m2 stops

$756Lufthansa

Tue, Feb 24 - Mon, Mar 9

9:00 am - 9:40 am

ANC

LHR

15h 40m1 stop

7:30 pm - 8:01 pm

LHR

ANC

32h 31m2 stops

$757Lufthansa

Tue, Feb 24 - Mon, Mar 9

1:30 am - 9:40 am

ANC

LHR

23h 10m1 stop

1:25 pm - 7:57 pm

LHR

ANC

39h 32m2 stops

$781United Airlines

Tue, Dec 30 - Wed, Jan 7

1:30 am - 7:10 am

ANC

LHR

20h 40m2 stops

1:25 pm - 7:57 pm

LHR

ANC

39h 32m2 stops

$785United Airlines

Tue, Dec 30 - Wed, Jan 7

8:55 pm - 6:30 am

ANC

LHR

24h 35m2 stops

6:55 am - 10:39 pm

LHR

ANC

24h 44m2 stops

$786Multiple Airlines

Mon, Apr 27 - Thu, May 7

6:00 am - 9:00 am

ANC

LHR

18h 00m1 stop

8:40 am - 12:33 am

LHR

ANC

24h 53m2 stops

$790Delta

Mon, Apr 27 - Thu, May 7

11:45 pm - 6:30 am

ANC

LHR

21h 45m2 stops

10:50 am - 3:41 pm

LHR

ANC

37h 51m2 stops

$794Multiple Airlines

Mon, Apr 27 - Thu, May 7

1:30 am - 10:30 am

FAI

LHR

24h 00m1 stop

6:30 am - 12:22 am

LHR

FAI

26h 52m2 stops

$876KLM

Sat, Jan 17 - Sun, Jan 25

1:30 am - 10:30 am

FAI

LHR

24h 00m1 stop

12:20 pm - 12:22 am

LHR

FAI

21h 02m1 stop

$903KLM

Sat, Jan 17 - Sun, Jan 25

5:55 am - 1:15 pm

ANC

LCY

22h 20m2 stops

8:40 am - 6:56 pm

LCY

ANC

19h 16m2 stops

$909Delta

Sat, Jan 17 - Sat, Jan 24

Lufthansa flights from Alaska to London

Our best Lufthansa deals on Alaska to London flight tickets

Lufthansa

Feb 24

ANC9:00 amAnchorage

15h 40m

1 stop

LHR9:40 amLondon Heathrow

Mar 9

LHR7:30 pmLondon Heathrow

32h 31m

2 stops

ANC8:01 pmAnchorage

$756

Find similar

Lufthansa

Feb 24

ANC9:00 amAnchorage

15h 40m

1 stop

LHR9:40 amLondon Heathrow

Mar 9

LHR7:30 pmLondon Heathrow

32h 31m

2 stops

ANC8:01 pmAnchorage

$757

Find similar

Lufthansa

Feb 24

ANC9:00 amAnchorage

25h 35m

2 stops

LHR7:35 pmLondon Heathrow

Mar 9

LHR6:30 pmLondon Heathrow

33h 31m

2 stops

ANC8:01 pmAnchorage

$764

Find similar

United Airlines flights from Alaska to London

Our best United Airlines deals on Alaska to London flight tickets

United Airlines

Dec 30

ANC1:30 amAnchorage

23h 10m

1 stop

LHR9:40 amLondon Heathrow

Jan 7

LHR1:25 pmLondon Heathrow

39h 32m

2 stops

ANC7:57 pmAnchorage

$781

Find similar

United Airlines

Dec 30

ANC1:30 amAnchorage

20h 40m

2 stops

LHR7:10 amLondon Heathrow

Jan 7

LHR1:25 pmLondon Heathrow

39h 32m

2 stops

ANC7:57 pmAnchorage

$785

Find similar

United Airlines

Mar 23

ANC11:52 pmAnchorage

25h 48m

1 stop

LHR9:40 amLondon Heathrow

Apr 6

LHR4:25 pmLondon Heathrow

39h 14m

2 stops

ANC10:39 pmAnchorage

$800

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

7:30 pm-8:01 pm

2 stops32h 31m

$756

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

7:30 pm-8:01 pm

2 stops32h 31m

$757

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 12/30

1:30 am-9:40 am

1 stop23h 10m

London Heathrow

Wed 1/7

1:25 pm-7:57 pm

2 stops39h 32m

$781

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 12/30

1:30 am-7:10 am

2 stops20h 40m

London Heathrow

Wed 1/7

1:25 pm-7:57 pm

2 stops39h 32m

$785

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

8:55 pm-6:30 am

2 stops24h 35m

London Heathrow

Thu 5/7

6:55 am-10:39 pm

2 stops24h 44m

$786

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

6:00 am-9:00 am

1 stop18h 00m

London Heathrow

Thu 5/7

8:40 am-12:33 am

2 stops24h 53m

$790

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

11:45 pm-6:30 am

2 stops21h 45m

London Heathrow

Thu 5/7

10:50 am-3:41 pm

2 stops37h 51m

$794

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 1/17

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Sun 1/25

6:30 am-12:22 am

2 stops26h 52m

$876

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 1/17

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Sun 1/25

12:20 pm-12:22 am

1 stop21h 02m

$903

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Sat 1/17

5:55 am-1:15 pm

2 stops22h 20m

London City

Sat 1/24

8:40 am-6:56 pm

2 stops19h 16m

$909

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 $853, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Alaska averaging around $881.

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 32% 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	13h 00m
Direct flights	None

The fastest flight from Alaska to London takes 13h 00m

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 December 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 9,065 reviews	Search United Airlines flights
Delta	PriceFrom $776	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
British Airways	PriceFrom $876	Free Cancellation	Rating 6.7 7,562 reviews	Search British Airways flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

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.