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Cheap flights from London Heathrow Airport to Alaska from $584

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Alaska departing on 9/12. 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 London Heathrow Airport to Alaska

Cheap round-trip flights

Scandinavian Airlines Logo
7:05 am - 1:59 amLHR-ANC
27h 54m3 stops
Scandinavian Airlines Logo
6:00 am - 5:40 pmANC-LHR
26h 40m3 stops
$848Scandinavian Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 22
Scandinavian Airlines Logo
6:40 am - 10:43 pmLHR-ANC
25h 03m2 stops
Scandinavian Airlines Logo
6:00 am - 5:40 pmANC-LHR
26h 40m3 stops
$864Scandinavian Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 22
Scandinavian Airlines Logo
5:00 pm - 1:37 amLHR-ANC
41h 37m2 stops
Scandinavian Airlines Logo
6:00 am - 4:00 pmANC-LHR
25h 00m2 stops
$874Scandinavian Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 12
Logo
9:55 am - 12:22 amLHR-ANC
23h 27m1 stop
Logo
12:24 am - 6:25 amANC-LHR
45h 01m2 stops
$886
Find Deal
Sun, Oct 5 - Fri, Oct 10
Icelandair Logo
9:25 pm - 1:59 amLHR-ANC
37h 34m2 stops
Icelandair Logo
11:16 am - 8:20 pmANC-LHR
24h 04m2 stops
$890Icelandair
Find Deal
Sun, Oct 5 - Sun, Oct 12
Icelandair Logo
12:15 pm - 9:48 pmLHR-ANC
18h 33m2 stops
Icelandair Logo
8:00 am - 7:30 pmANC-LHR
26h 30m2 stops
$891Icelandair
Find Deal
Thu, Nov 6 - Thu, Nov 20
Logo
9:55 am - 12:22 amLHR-ANC
23h 27m1 stop
Logo
1:59 pm - 10:00 amANC-LHR
35h 01m2 stops
$904
Find Deal
Sun, Oct 5 - Sat, Oct 11
Lufthansa Logo
7:30 am - 12:50 pmLHR-ANC
14h 20m1 stop
Lufthansa Logo
3:05 pm - 2:40 pmANC-LHR
14h 35m1 stop
$1,001Lufthansa
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
6:30 am - 10:27 pmLHR-FAI
24h 57m2 stops
Delta Logo
1:30 am - 11:00 amFAI-LHR
24h 30m1 stop
$1,508Delta
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Thu, Nov 27 - Sun, Nov 30
Delta Logo
8:40 am - 12:17 amLHR-FAI
48h 37m2 stops
Delta Logo
1:30 am - 11:00 amFAI-LHR
24h 30m1 stop
$1,511Delta
Find Deal
Thu, Nov 27 - Sun, Nov 30

Icelandair flights from London Heathrow Airport to Alaska

Our best Icelandair deals on London Heathrow Airport to Alaska flight tickets
Icelandair
Oct 5
LHR9:25 pmLondon Heathrow
37h 34m
2 stops
ANC1:59 amAnchorage
Oct 12
ANC11:16 amAnchorage
24h 04m
2 stops
LHR8:20 pmLondon Heathrow
$890
Find similar
Icelandair
Nov 6
LHR12:15 pmLondon Heathrow
18h 33m
2 stops
ANC9:48 pmAnchorage
Nov 20
ANC8:00 amAnchorage
26h 30m
2 stops
LHR7:30 pmLondon Heathrow
$891
Find similar
Icelandair
Oct 5
LHR9:25 pmLondon Heathrow
34h 20m
2 stops
ANC10:45 pmAnchorage
Oct 12
ANC11:16 amAnchorage
24h 04m
2 stops
LHR8:20 pmLondon Heathrow
$892
Find similar

Scandinavian Airlines flights from London Heathrow Airport to Alaska

Our best Scandinavian Airlines deals on London Heathrow Airport to Alaska flight tickets
Scandinavian Airlines
Oct 8
LHR7:05 amLondon Heathrow
27h 54m
3 stops
ANC1:59 amAnchorage
Oct 22
ANC6:00 amAnchorage
26h 40m
3 stops
LHR5:40 pmLondon Heathrow
$848
Find similar
Scandinavian Airlines
Oct 8
LHR6:40 amLondon Heathrow
25h 03m
2 stops
ANC10:43 pmAnchorage
Oct 22
ANC6:00 amAnchorage
26h 40m
3 stops
LHR5:40 pmLondon Heathrow
$864
Find similar
Scandinavian Airlines
Oct 4
LHR5:00 pmLondon Heathrow
41h 37m
2 stops
ANC1:37 amAnchorage
Oct 12
ANC6:00 amAnchorage
25h 00m
2 stops
LHR4:00 pmLondon Heathrow
$874
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Alaska 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 July 31, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/8

7:05 am-1:59 am

3 stops27h 54m

Anchorage

Wed 10/22

6:00 am-5:40 pm

3 stops26h 40m

$848

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 10/8

6:40 am-10:43 pm

2 stops25h 03m

Anchorage

Wed 10/22

6:00 am-5:40 pm

3 stops26h 40m

$864

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 10/4

5:00 pm-1:37 am

2 stops41h 37m

Anchorage

Sun 10/12

6:00 am-4:00 pm

2 stops25h 00m

$874

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 10/5

9:55 am-12:22 am

1 stop23h 27m

Anchorage

Fri 10/10

12:24 am-6:25 am

2 stops45h 01m

$886

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 10/5

9:25 pm-1:59 am

2 stops37h 34m

Anchorage

Sun 10/12

11:16 am-8:20 pm

2 stops24h 04m

$890

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 11/6

12:15 pm-9:48 pm

2 stops18h 33m

Anchorage

Thu 11/20

8:00 am-7:30 pm

2 stops26h 30m

$891

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 10/5

9:55 am-12:22 am

1 stop23h 27m

Anchorage

Sat 10/11

1:59 pm-10:00 am

2 stops35h 01m

$904

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/13

7:30 am-12:50 pm

1 stop14h 20m

Anchorage

Sat 9/20

3:05 pm-2:40 pm

1 stop14h 35m

$1,001

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 11/27

6:30 am-10:27 pm

2 stops24h 57m

Fairbanks

Sun 11/30

1:30 am-11:00 am

1 stop24h 30m

$1,508

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 11/27

8:40 am-12:17 am

2 stops48h 37m

Fairbanks

Sun 11/30

1:30 am-11:00 am

1 stop24h 30m

$1,511

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 Alaska from

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

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 Alaska?

If you don’t want to visit Alaska in May, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,312.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $1,506 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from London Heathrow Airport for as low as $1,055 on momondo.

Cheap London Heathrow Airport to Alaska flight deals and tips

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

Best Price Found

$584

Fastest flight time

14h 20m

Direct flights

None

Airports in Alaska

2 airports
The best one-way flight to Alaska from London Heathrow Airport in the past 72 hours is $584. The best round-trip flight deal from London Heathrow Airport to Alaska found on momondo in the last 72 hours is $848.
The fastest flight from London Heathrow Airport to Alaska takes 14h 20m
There are no direct flights from London Heathrow Airport to Alaska. Popular non-direct route for this connection is London Heathrow Airport - Anchorage Airport.
There are 2 airports near Alaska: Anchorage (ANC), Fairbanks (FAI)
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to Alaska?

    Prices for flights from London Heathrow Airport to Alaska refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Alaska.

  • What documentation or ID do you need to fly to Alaska?

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

Best airlines flying from London Heathrow Airport to Alaska

Compare and see reviews for airlines that fly from London Heathrow Airport to Alaska with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,401Free CancellationRating
8.0
7,981 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Alaska. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Alaska on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential London to Alaska flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Alaska right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Alaska from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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