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Cheap flights from Alaska to London from $380

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 2/23. 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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0 bags

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Find the cheapest flights from Alaska to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:51 am - 10:50 am
FAI
-
LHR
19h 59m2 stops
Multiple Airlines Logo
12:15 pm - 11:56 pm
LHR
-
FAI
20h 41m2 stops
$775Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
9:00 am - 9:40 am
ANC
-
LHR
15h 40m1 stop
Lufthansa Logo
7:40 am - 10:50 pm
LHR
-
ANC
23h 10m2 stops
$823Lufthansa
Tue, Feb 24 - Mon, Mar 9
Lufthansa Logo
9:00 am - 9:40 am
ANC
-
LHR
15h 40m1 stop
Lufthansa Logo
6:35 am - 10:50 pm
LHR
-
ANC
24h 15m2 stops
$824Lufthansa
Tue, Feb 24 - Mon, Mar 9
Icelandair Logo
8:00 am - 7:30 pm
ANC
-
LHR
26h 30m2 stops
Icelandair Logo
12:15 pm - 9:49 pm
LHR
-
ANC
18h 34m2 stops
$860Icelandair
Mon, Feb 16 - Tue, Feb 24
KLM Logo
1:30 am - 10:30 am
FAI
-
LHR
24h 00m1 stop
KLM Logo
11:45 am - 12:22 am
LHR
-
FAI
45h 37m2 stops
$872KLM
Tue, Jan 13 - Wed, Jan 21
United Airlines Logo
9:00 am - 9:40 am
ANC
-
LHR
15h 40m1 stop
United Airlines Logo
6:35 am - 11:15 pm
LHR
-
ANC
25h 40m2 stops
$876United Airlines
Thu, Jan 15 - Thu, Jan 22
KLM Logo
1:30 am - 10:30 am
FAI
-
LHR
24h 00m1 stop
KLM Logo
6:30 am - 12:22 am
LHR
-
FAI
26h 52m2 stops
$878KLM
Thu, Jan 15 - Fri, Jan 23
United Airlines Logo
11:45 pm - 7:10 am
ANC
-
LHR
22h 25m2 stops
United Airlines Logo
6:35 am - 11:15 pm
LHR
-
ANC
25h 40m2 stops
$879United Airlines
Thu, Jan 15 - Thu, Jan 22
British Airways Logo
11:05 am - 12:20 pm
FAI
-
LHR
16h 15m1 stop
British Airways Logo
9:25 am - 7:30 pm
LHR
-
FAI
19h 05m1 stop
$1,206British Airways
Fri, Jan 23 - Tue, Jan 27
British Airways Logo
2:20 pm - 12:20 pm
JNU
-
LHR
13h 00m1 stop
British Airways Logo
9:25 am - 10:52 pm
LHR
-
JNU
22h 27m1 stop
$1,306British Airways
Fri, Jan 23 - Tue, Jan 27

Icelandair flights from Alaska to London Heathrow Airport

Our best Icelandair deals on Alaska to London Heathrow Airport flight tickets
Icelandair
Feb 16
ANC8:00 amAnchorage
26h 30m
2 stops
LHR7:30 pmLondon Heathrow
Feb 24
LHR12:15 pmLondon Heathrow
18h 34m
2 stops
ANC9:49 pmAnchorage
$860
Find similar
Icelandair
Feb 15
ANC6:09 pmAnchorage
31h 41m
2 stops
LHR10:50 amLondon Heathrow
Feb 20
LHR12:15 pmLondon Heathrow
18h 34m
2 stops
ANC9:49 pmAnchorage
$882
Find similar
Icelandair
Apr 28
ANC10:00 amAnchorage
16h 55m
2 stops
LHR11:55 amLondon Heathrow
May 11
LHR9:25 pmLondon Heathrow
37h 03m
2 stops
ANC1:28 amAnchorage
$913
Find similar

KLM flights from Alaska to London Heathrow Airport

Our best KLM deals on Alaska to London Heathrow Airport flight tickets
KLM
Jan 13
FAI1:30 amFairbanks
24h 00m
1 stop
LHR10:30 amLondon Heathrow
Jan 21
LHR11:45 amLondon Heathrow
45h 37m
2 stops
FAI12:22 amFairbanks
$872
Find similar
KLM
Jan 15
FAI1:30 amFairbanks
24h 00m
1 stop
LHR10:30 amLondon Heathrow
Jan 23
LHR6:30 amLondon Heathrow
26h 52m
2 stops
FAI12:22 amFairbanks
$878
Find similar
KLM
Jan 13
FAI1:30 amFairbanks
24h 00m
1 stop
LHR10:30 amLondon Heathrow
Jan 21
LHR12:20 pmLondon Heathrow
21h 02m
1 stop
FAI12:22 amFairbanks
$899
Find similar

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 December 18, 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

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 1/14

5:51 am-10:50 am

2 stops19h 59m

London Heathrow

Wed 1/21

12:15 pm-11:56 pm

2 stops20h 41m

$775

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

7:40 am-10:50 pm

2 stops23h 10m

$823

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

6:35 am-10:50 pm

2 stops24h 15m

$824

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/16

8:00 am-7:30 pm

2 stops26h 30m

London Heathrow

Tue 2/24

12:15 pm-9:49 pm

2 stops18h 34m

$860

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 1/13

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Wed 1/21

11:45 am-12:22 am

2 stops45h 37m

$872

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 1/15

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Thu 1/22

6:35 am-11:15 pm

2 stops25h 40m

$876

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 1/15

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Fri 1/23

6:30 am-12:22 am

2 stops26h 52m

$878

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 1/15

11:45 pm-7:10 am

2 stops22h 25m

London Heathrow

Thu 1/22

6:35 am-11:15 pm

2 stops25h 40m

$879

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 1/23

11:05 am-12:20 pm

1 stop16h 15m

London Heathrow

Tue 1/27

9:25 am-7:30 pm

1 stop19h 05m

$1,206

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Fri 1/23

2:20 pm-12:20 pm

1 stop13h 00m

London Heathrow

Tue 1/27

9:25 am-10:52 pm

1 stop22h 27m

$1,306

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 April is, on average, the cheapest month to fly to London Heathrow Airport from Alaska, with most prices found around $859. If you’re not able to fly to London Heathrow Airport in April, then October is your next best option. Flight prices from Alaska to London Heathrow Airport during October average around $871.

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 24% 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

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Alaska to London Heathrow Airport takes 15h 10m
There are no direct flights from Alaska to London Heathrow Airport. There are no popular flight routes from Alaska to London Heathrow Airport.
Search flight deals

  • 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 $771Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $776Free CancellationRating
7.9
8,006 reviews
Search Delta flights
British AirwaysPriceFrom $876Free CancellationRating
6.7
7,583 reviews
Search British Airways flights

Traveling to a place near London?

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

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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