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Cheap flights from London Heathrow Airport to Alaska from £450

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 4/11. 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 return flights

Icelandair Logo
21:25 - 22:45LHR-ANC
34h 20m2 stops
Icelandair Logo
10:00 - 11:55ANC-LHR
16h 55m2 stops
£618Icelandair
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Icelandair Logo
20:35 - 22:48LHR-ANC
34h 13m2 stops
Icelandair Logo
08:00 - 10:50ANC-LHR
17h 50m2 stops
£666Icelandair
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Logo
12:15 - 00:57LHR-ANC
20h 42m2 stops
Logo
05:05 - 10:50ANC-LHR
20h 45m2 stops
£680
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Icelandair Logo
21:25 - 22:45LHR-ANC
34h 20m2 stops
Icelandair Logo
08:00 - 11:55ANC-LHR
18h 55m2 stops
£687Icelandair
Find Deal
Tue, 14 Oct - Sun, 19 Oct
Scandinavian Airlines Logo
06:40 - 22:43LHR-ANC
25h 03m2 stops
Scandinavian Airlines Logo
06:00 - 18:30ANC-LHR
27h 30m3 stops
£739Scandinavian Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Scandinavian Airlines Logo
06:40 - 01:59LHR-ANC
28h 19m3 stops
Scandinavian Airlines Logo
06:00 - 18:30ANC-LHR
27h 30m2 stops
£744Scandinavian Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Virgin Atlantic Logo
13:25 - 01:59LHR-ANC
21h 34m1 stop
Virgin Atlantic Logo
11:15 - 11:20ANC-LHR
15h 05m1 stop
£1,077Virgin Atlantic
Find Deal
Wed, 8 Oct - Wed, 22 Oct
United Airlines Logo
07:25 - 19:57LHR-ANC
21h 32m2 stops
United Airlines Logo
21:04 - 06:20ANC-LHR
24h 16m1 stop
£1,085United Airlines
Find Deal
Wed, 8 Oct - Wed, 22 Oct
Virgin Atlantic Logo
13:25 - 01:59LHR-ANC
21h 34m1 stop
Virgin Atlantic Logo
06:00 - 11:20ANC-LHR
20h 20m1 stop
£1,086Virgin Atlantic
Find Deal
Wed, 8 Oct - Wed, 22 Oct
British Airways Logo
14:55 - 01:13LHR-FAI
19h 18m1 stop
British Airways Logo
12:19 - 12:20FAI-LHR
15h 01m1 stop
£1,252British Airways
Find Deal
Thu, 27 Nov - Mon, 1 Dec

Virgin Atlantic flights from London Heathrow Airport to Alaska

Our best Virgin Atlantic deals on London Heathrow Airport to Alaska flight tickets
Virgin Atlantic
8 Oct
LHR13:25London Heathrow
21h 34m
1 stop
ANC01:59Anchorage
22 Oct
ANC11:15Anchorage
15h 05m
1 stop
LHR11:20London Heathrow
£1,077
Find similar
Virgin Atlantic
8 Oct
LHR13:25London Heathrow
21h 34m
1 stop
ANC01:59Anchorage
22 Oct
ANC06:00Anchorage
20h 20m
1 stop
LHR11:20London Heathrow
£1,086
Find similar
Virgin Atlantic
8 Oct
LHR12:45London Heathrow
21h 06m
1 stop
ANC00:51Anchorage
22 Oct
ANC06:05Anchorage
22h 05m
1 stop
LHR13:10London Heathrow
£1,087
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
15 Oct
LHR06:40London Heathrow
25h 03m
2 stops
ANC22:43Anchorage
22 Oct
ANC06:00Anchorage
27h 30m
3 stops
LHR18:30London Heathrow
£739
Find similar
Scandinavian Airlines
12 Oct
LHR06:40London Heathrow
28h 19m
3 stops
ANC01:59Anchorage
19 Oct
ANC06:00Anchorage
27h 30m
2 stops
LHR18:30London Heathrow
£744
Find similar
Scandinavian Airlines
9 Oct
LHR17:00London Heathrow
38h 43m
2 stops
ANC22:43Anchorage
19 Oct
ANC06:00Anchorage
30h 40m
2 stops
LHR21:40London Heathrow
£748
Find similar

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 16 September 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

Tue 14/10

21:25-22:45

2 stops34h 20m

Anchorage

Tue 21/10

10:00-11:55

2 stops16h 55m

£618

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 29/10

20:35-22:48

2 stops34h 13m

Anchorage

Wed 5/11

08:00-10:50

2 stops17h 50m

£666

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 29/10

12:15-00:57

2 stops20h 42m

Anchorage

Wed 5/11

05:05-10:50

2 stops20h 45m

£680

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 14/10

21:25-22:45

2 stops34h 20m

Anchorage

Sun 19/10

08:00-11:55

2 stops18h 55m

£687

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 15/10

06:40-22:43

2 stops25h 03m

Anchorage

Wed 22/10

06:00-18:30

3 stops27h 30m

£739

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 12/10

06:40-01:59

3 stops28h 19m

Anchorage

Sun 19/10

06:00-18:30

2 stops27h 30m

£744

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

13:25-01:59

1 stop21h 34m

Anchorage

Wed 22/10

11:15-11:20

1 stop15h 05m

£1,077

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

07:25-19:57

2 stops21h 32m

Anchorage

Wed 22/10

21:04-06:20

1 stop24h 16m

£1,085

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

13:25-01:59

1 stop21h 34m

Anchorage

Wed 22/10

06:00-11:20

1 stop20h 20m

£1,086

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 27/11

14:55-01:13

1 stop19h 18m

Fairbanks

Mon 1/12

12:19-12:20

1 stop15h 01m

£1,252

Flights are sorted by cheapest return 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?

The cheapest month to fly to Alaska from London Heathrow Airport is in October. Flight prices, which tend to average around £798, 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 £804.

What is the cheapest day to depart on your flight to Alaska?

Our data shows that Thursday is the least expensive day to fly to Alaska. Tickets to fly out on this day can be as low as £813. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,086.

What is the cheapest time of day to depart on your flight to Alaska?

At midday is the cheapest time of day to fly from London Heathrow Airport to Alaska when you can find flight prices for as low as £761. Flying to Alaska at midday is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Alaska, so prices are often more expensive at around £1,044 per ticket.

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 £1,099 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 £784 on momondo.

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

You could potentially save up to 30% 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

Direct flights

None
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 £530Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £646Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom £701Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LufthansaPriceFrom £794Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £1,040Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £1,054Free CancellationRating
7.4
8,929 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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