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Cheap flights from London Heathrow Airport to Alaska from £541

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 3/6. 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 London Heathrow Airport to Alaska

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:00 - 00:55
LHR
-
ANC
23h 55m
2 stops
Multiple Airlines Logo
00:53 - 13:30
ANC
-
LHR
28h 37m
1 stop
£576Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
09:00 - 00:55
LHR
-
ANC
23h 55m
2 stops
Multiple Airlines Logo
06:55 - 13:30
ANC
-
LHR
22h 35m
2 stops
£579Multiple Airlines
Mon, 9 Mar - Tue, 17 Mar
Multiple Airlines Logo
12:30 - 00:55
LHR
-
ANC
20h 25m
1 stop
Multiple Airlines Logo
00:53 - 14:00
ANC
-
LHR
29h 07m
1 stop
£590Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
06:30 - 00:55
LHR
-
ANC
27h 25m
2 stops
Multiple Airlines Logo
06:55 - 13:30
ANC
-
LHR
22h 35m
2 stops
£599Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
06:30 - 00:55
LHR
-
ANC
27h 25m
2 stops
Multiple Airlines Logo
00:53 - 13:30
ANC
-
LHR
28h 37m
1 stop
£611Multiple Airlines
Tue, 3 Mar - Mon, 9 Mar
Virgin Atlantic Logo
14:30 - 00:12
LHR
-
FAI
17h 42m
1 stop
Virgin Atlantic Logo
01:30 - 10:30
FAI
-
LHR
25h 00m
1 stop
£1,114Virgin Atlantic
Thu, 19 Mar - Wed, 25 Mar
Virgin Atlantic Logo
11:05 - 00:12
LHR
-
FAI
21h 07m
2 stops
Virgin Atlantic Logo
01:30 - 07:50
FAI
-
LHR
22h 20m
2 stops
£1,114Virgin Atlantic
Thu, 19 Mar - Wed, 25 Mar
Alaska Airlines Logo
17:00 - 23:19
LHR
-
FAI
15h 19m
1 stop
Alaska Airlines Logo
09:00 - 15:05
FAI
-
LHR
21h 05m
1 stop
£1,269Alaska Airlines
Sat, 13 Jun - Sat, 27 Jun
British Airways Logo
14:55 - 22:15
LHR
-
FAI
16h 20m
1 stop
British Airways Logo
11:30 - 12:20
FAI
-
LHR
15h 50m
1 stop
£2,630British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
14:55 - 22:15
LHR
-
FAI
16h 20m
1 stop
British Airways Logo
11:30 - 12:20
FAI
-
LHR
15h 50m
1 stop
£2,752British Airways
Thu, 19 Feb - Mon, 23 Feb

Icelandair flights from London Heathrow Airport to Alaska

Our best Icelandair deals on London Heathrow Airport to Alaska flight tickets
Icelandair
9 Jun
LHR21:25London Heathrow
33h 32m
2 stops
ANC21:57Anchorage
16 Jun
ANC17:27Anchorage
17h 53m
2 stops
LHR20:20London Heathrow
£730
Icelandair
27 Jun
LHR21:25London Heathrow
33h 32m
2 stops
ANC21:57Anchorage
28 Jul
ANC17:27Anchorage
17h 53m
2 stops
LHR20:20London Heathrow
£801
Icelandair
27 Jun
LHR21:25London Heathrow
33h 32m
2 stops
ANC21:57Anchorage
29 Jul
ANC17:27Anchorage
33h 28m
2 stops
LHR11:55London Heathrow
£802

Virgin Atlantic flights from London Heathrow Airport to Alaska

Our best Virgin Atlantic deals on London Heathrow Airport to Alaska flight tickets
Virgin Atlantic
19 Mar
LHR14:30London Heathrow
17h 42m
1 stop
FAI00:12Fairbanks
25 Mar
FAI01:30Fairbanks
25h 00m
1 stop
LHR10:30London Heathrow
£1,114
Virgin Atlantic
19 Mar
LHR11:05London Heathrow
21h 07m
2 stops
FAI00:12Fairbanks
25 Mar
FAI01:30Fairbanks
22h 20m
2 stops
LHR07:50London Heathrow
£1,114
Virgin Atlantic
19 Mar
LHR14:30London Heathrow
17h 42m
1 stop
FAI00:12Fairbanks
25 Mar
FAI01:30Fairbanks
22h 20m
2 stops
LHR07:50London Heathrow
£1,119

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 3 February 2026.
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

Mon 9/3

09:00-00:55

2 stops23h 55m

Anchorage

Mon 16/3

00:53-13:30

1 stop28h 37m

£576

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 9/3

09:00-00:55

2 stops23h 55m

Anchorage

Tue 17/3

06:55-13:30

2 stops22h 35m

£579

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 9/3

12:30-00:55

1 stop20h 25m

Anchorage

Mon 16/3

00:53-14:00

1 stop29h 07m

£590

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

06:30-00:55

2 stops27h 25m

Anchorage

Tue 10/3

06:55-13:30

2 stops22h 35m

£599

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 3/3

06:30-00:55

2 stops27h 25m

Anchorage

Mon 9/3

00:53-13:30

1 stop28h 37m

£611

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 19/3

14:30-00:12

1 stop17h 42m

Fairbanks

Wed 25/3

01:30-10:30

1 stop25h 00m

£1,114

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 19/3

11:05-00:12

2 stops21h 07m

Fairbanks

Wed 25/3

01:30-07:50

2 stops22h 20m

£1,114

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 13/6

17:00-23:19

1 stop15h 19m

Fairbanks

Sat 27/6

09:00-15:05

1 stop21h 05m

£1,269

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 19/2

14:55-22:15

1 stop16h 20m

Fairbanks

Mon 23/2

11:30-12:20

1 stop15h 50m

£2,630

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 19/2

14:55-22:15

1 stop16h 20m

Fairbanks

Mon 23/2

11:30-12:20

1 stop15h 50m

£2,752

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The cheapest month to fly to Alaska from London Heathrow Airport is in October. Flight prices, which tend to average around £729, are often lower during this time because this is during the off-season. If you’re not able to fly to Alaska in October, then September is your next best option. Flight prices from London Heathrow Airport to Alaska during September average around £788.

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 £1,054 when searching weeks before you fly. 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 £805 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a London Heathrow Airport to Alaska flight.

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

Fastest flight time

16h 20m

Direct flights

None
The fastest flight from London Heathrow Airport to Alaska takes 16h 20m
There are no direct flights from London Heathrow Airport to Alaska. There are no popular flight routes from London Heathrow Airport to Alaska.
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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted 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
Scandinavian AirlinesPriceFrom £527Free CancellationRating
7.3
1,677 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £642Free CancellationRating
7.1
606 reviews
Search Icelandair flights
British AirwaysPriceFrom £697Free CancellationRating
6.7
7,714 reviews
Search British Airways flights
LufthansaPriceFrom £789Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £1,034Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £1,047Free CancellationRating
7.4
9,235 reviews
Search United Airlines 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?

Yes. momondo enables you to select and highlight flights to Alaska from London with this policy.

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

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

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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