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Cheap flights from Alaska to London from $367

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 10/21. 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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Find the cheapest flights from Alaska to London

Cheap round-trip flights

Virgin Atlantic Logo
2:10 pm - 2:15 pmANC-LHR
15h 05m1 stop
Virgin Atlantic Logo
1:25 pm - 10:43 pmLHR-ANC
18h 18m1 stop
$714Virgin Atlantic
Find Deal
Wed, Oct 8 - Wed, Oct 15
Delta Logo
6:00 am - 2:15 pmANC-LHR
23h 15m1 stop
Delta Logo
6:15 am - 4:20 pmLHR-ANC
19h 05m2 stops
$740Delta
Find Deal
Sun, Sep 14 - Fri, Sep 26
Delta Logo
11:15 am - 11:20 amANC-LHR
15h 05m1 stop
Delta Logo
6:15 am - 4:20 pmLHR-ANC
19h 05m2 stops
$741Delta
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Wed, Sep 24 - Tue, Sep 30
Logo
12:30 am - 11:20 amANC-LHR
25h 50m1 stop
Logo
1:25 pm - 10:43 pmLHR-ANC
18h 18m1 stop
$755
Find Deal
Tue, Oct 7 - Wed, Oct 15
Air France Logo
6:05 am - 8:45 amANC-LHR
18h 40m2 stops
Air France Logo
7:20 pm - 4:22 pmLHR-ANC
30h 02m2 stops
$758Air France
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Mon, Oct 27 - Mon, Nov 10
KLM Logo
12:30 am - 2:15 pmANC-LHR
28h 45m1 stop
KLM Logo
12:20 pm - 10:43 pmLHR-ANC
18h 23m1 stop
$766KLM
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Mon, Oct 20 - Fri, Oct 31
KLM Logo
12:55 am - 2:15 pmANC-LHR
28h 20m1 stop
KLM Logo
5:25 pm - 1:37 amLHR-ANC
17h 12m1 stop
$767KLM
Find Deal
Tue, Sep 23 - Tue, Sep 30
Logo
1:45 am - 2:15 pmFAI-LHR
27h 30m1 stop
Logo
11:30 am - 12:40 amLHR-FAI
22h 10m2 stops
$800
Find Deal
Wed, Oct 8 - Thu, Oct 16
American Airlines Logo
2:26 am - 6:55 amANC-LHR
19h 29m1 stop
American Airlines Logo
9:45 am - 8:36 pmLHR-ANC
19h 51m1 stop
$848American Airlines
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Fri, Oct 3 - Sun, Oct 19
American Airlines Logo
6:00 am - 1:40 pmFAI-LHR
22h 40m1 stop
American Airlines Logo
9:50 am - 9:21 pmLHR-FAI
20h 31m1 stop
$905American Airlines
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Thu, Oct 9 - Thu, Oct 16

KLM flights from Alaska to London Heathrow Airport

Our best KLM deals on Alaska to London Heathrow Airport flight tickets
KLM
Oct 20
ANC12:30 amAnchorage
28h 45m
1 stop
LHR2:15 pmLondon Heathrow
Oct 31
LHR12:20 pmLondon Heathrow
18h 23m
1 stop
ANC10:43 pmAnchorage
$766
Find similar
KLM
Sep 23
ANC12:55 amAnchorage
28h 20m
1 stop
LHR2:15 pmLondon Heathrow
Sep 30
LHR5:25 pmLondon Heathrow
17h 12m
1 stop
ANC1:37 amAnchorage
$767
Find similar
KLM
Oct 8
FAI1:45 amFairbanks
27h 30m
1 stop
LHR2:15 pmLondon Heathrow
Oct 16
LHR5:25 pmLondon Heathrow
16h 15m
1 stop
FAI12:40 amFairbanks
$808
Find similar

American Airlines flights from Alaska to London Heathrow Airport

Our best American Airlines deals on Alaska to London Heathrow Airport flight tickets
American Airlines
Oct 3
ANC2:26 amAnchorage
19h 29m
1 stop
LHR6:55 amLondon Heathrow
Oct 19
LHR9:45 amLondon Heathrow
19h 51m
1 stop
ANC8:36 pmAnchorage
$848
Find similar
American Airlines
Oct 9
FAI6:00 amFairbanks
22h 40m
1 stop
LHR1:40 pmLondon Heathrow
Oct 16
LHR9:50 amLondon Heathrow
20h 31m
1 stop
FAI9:21 pmFairbanks
$905
Find similar
American Airlines
Oct 29
JNU7:13 amJuneau Intl
20h 27m
3 stops
LHR11:40 amLondon Heathrow
Nov 2
LHR9:55 amLondon Heathrow
21h 46m
2 stops
JNU11:41 pmJuneau Intl
$1,204
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momondo Fare Finder

 
Customize your flight search to find flights from Alaska to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/8

2:10 pm-2:15 pm

1 stop15h 05m

London Heathrow

Wed 10/15

1:25 pm-10:43 pm

1 stop18h 18m

$714

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/14

6:00 am-2:15 pm

1 stop23h 15m

London Heathrow

Fri 9/26

6:15 am-4:20 pm

2 stops19h 05m

$740

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 9/24

11:15 am-11:20 am

1 stop15h 05m

London Heathrow

Tue 9/30

6:15 am-4:20 pm

2 stops19h 05m

$741

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 10/7

12:30 am-11:20 am

1 stop25h 50m

London Heathrow

Wed 10/15

1:25 pm-10:43 pm

1 stop18h 18m

$755

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/27

6:05 am-8:45 am

2 stops18h 40m

London Heathrow

Mon 11/10

7:20 pm-4:22 pm

2 stops30h 02m

$758

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/20

12:30 am-2:15 pm

1 stop28h 45m

London Heathrow

Fri 10/31

12:20 pm-10:43 pm

1 stop18h 23m

$766

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 9/23

12:55 am-2:15 pm

1 stop28h 20m

London Heathrow

Tue 9/30

5:25 pm-1:37 am

1 stop17h 12m

$767

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 10/8

1:45 am-2:15 pm

1 stop27h 30m

London Heathrow

Thu 10/16

11:30 am-12:40 am

2 stops22h 10m

$800

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 10/3

2:26 am-6:55 am

1 stop19h 29m

London Heathrow

Sun 10/19

9:45 am-8:36 pm

1 stop19h 51m

$848

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 10/9

6:00 am-1:40 pm

1 stop22h 40m

London Heathrow

Thu 10/16

9:50 am-9:21 pm

1 stop20h 31m

$905

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Alaska to London Heathrow Airport

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

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Alaska, with most prices found around $753. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from Alaska to London Heathrow Airport during January average around $778.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $873. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,186.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Alaska to London Heathrow Airport at noon for as low as $963. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,162.

Can stopping save me money on Alaska to London Heathrow Airport flights?

You could potentially save up to 33% on your flight if you consider stops on a Alaska to London Heathrow Airport flight.

Cheap Alaska to London Heathrow Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Alaska to London Heathrow Airport. There are no popular flight routes from Alaska to London Heathrow Airport.
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  • When did momondo last update prices for flights from Alaska to London Heathrow Airport?

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alaska to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

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

Best airlines flying from Alaska to London Heathrow Airport

Compare and see reviews for airlines that fly from Alaska to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $689Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
British AirwaysPriceFrom $766Free CancellationRating
6.7
7,305 reviews
Search British Airways flights
DeltaPriceFrom $776Free CancellationRating
7.9
7,981 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Luton
Dover
Slough
Milton Keynes
Guildford
Dartford
Crawley
Stansted
Hayes
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Swindon
Colchester
Stratford-upon-Avon
Watford

Why use momondo?

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

Finding the right flight to London from Alaska 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 London quick and easy, saving you time and money.

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

Flights from Alaska to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to London from Alaska. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 Heathrow Airport trip

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