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Cheap flights from Alaska to London Heathrow Airport from £252

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
1 Jul — 8 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Alaska to Heathrow
Explore the most affordable flight options available from Alaska to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 June 2026.

Fri 11/914:40
ANC
-
LHR
2 stops54h 50m
Lufthansa
Tue 15/906:55
LHR
-
ANC
2 stops25h 10m
Lufthansa
Deal found 31/5£687
Sun 23/820:00
ANC
-
LHR
1 stop25h 45m
United Airlines
Tue 1/907:25
LHR
-
ANC
2 stops21h 34m
United Airlines
Deal found 30/5£699
Mon 17/821:20
ANC
-
LHR
1 stop24h 25m
United Airlines
Thu 27/806:55
LHR
-
ANC
2 stops26h 04m
United Airlines
Deal found 29/5£700
Wed 28/1006:00
ANC
-
LHR
1 stop22h 20m
Alaska Airlines
Sun 1/1114:45
LHR
-
ANC
1 stop17h 05m
Alaska Airlines
Deal found 31/5£704
Sat 22/814:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Tue 1/909:30
LHR
-
ANC
2 stops43h 29m
Air Canada
Deal found 30/5£711
Mon 17/807:00
ANC
-
LHR
1 stop20h 50m
British Airways
Thu 27/809:45
LHR
-
ANC
1 stop20h 06m
British Airways
Deal found 29/5£713
Sun 23/822:19
ANC
-
LHR
1 stop24h 26m
United Airlines
Fri 4/914:05
LHR
-
ANC
2 stops31h 59m
United Airlines
Deal found 30/5£714
Sun 23/821:56
ANC
-
LHR
1 stop23h 54m
British Airways
Mon 31/819:25
LHR
-
ANC
2 stops34h 26m
British Airways
Deal found 30/5£716
Fri 24/720:45
FAI
-
LHR
2 stops26h 50m
United Airlines
Wed 12/814:05
LHR
-
FAI
2 stops38h 11m
United Airlines
Deal found 30/5£794
Thu 23/701:00
FAI
-
LHR
1 stop23h 40m
Austrian Airlines
Wed 12/808:00
LHR
-
FAI
1 stop20h 16m
Austrian Airlines
Deal found 30/5£800
Thu 16/720:45
FAI
-
LHR
2 stops24h 10m
United Airlines
Thu 23/707:45
LHR
-
FAI
2 stops20h 54m
United Airlines
Deal found 1/6£883
Thu 16/714:37
FAI
-
LHR
1 stop15h 58m
Delta
Thu 23/717:45
LHR
-
FAI
1 stop15h 45m
Delta
Deal found 1/6£893

Find flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated 1 June 2026.

Round-trip from

£687

One-way from

£252

Popular in

December

Cheapest in

October

Average price

£970
Lufthansa
  • Lufthansa
  • 11/9-15/9
  • 4 total stops
  • 80h 00m total
  • Alaska to London
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/10
  • 1 total stop
  • 22h 00m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Alaska to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 1 June 2026.
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

Cheapest return flight

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 28/10

06:00-12:20

1 stop22h 20m

London Heathrow

Sun 1/11

14:45-22:50

1 stop17h 05m

£704

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 21/8

20:19-21:25

1 stop16h 06m

London Heathrow

Mon 24/8

13:35-19:59

2 stops39h 24m

£756

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/8

23:59-06:45

1 stop21h 46m

London Heathrow

Tue 18/8

08:00-19:59

1 stop20h 59m

£762

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 28/10

20:55-07:10

2 stops26h 15m

London Heathrow

Sun 1/11

07:30-23:39

2 stops24h 09m

£765

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 20/8

07:00-14:25

1 stop22h 25m

London Heathrow

Sun 30/8

11:10-20:51

1 stop18h 41m

£788

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 28/7

20:20-21:25

1 stop16h 05m

London Heathrow

Wed 5/8

15:05-13:38

1 stop31h 33m

£793

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 16/7

20:45-05:55

2 stops24h 10m

London Heathrow

Thu 23/7

07:45-19:39

2 stops20h 54m

£883

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 16/7

14:37-15:35

1 stop15h 58m

London Heathrow

Thu 23/7

17:45-00:30

1 stop15h 45m

£893

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 12/6

14:41-15:35

1 stop15h 54m

London Heathrow

Thu 18/6

08:40-00:30

2 stops24h 50m

£1,068
Fastest return journey

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 11/6

14:41-15:35

1 stop15h 54m

London Heathrow

Fri 19/6

17:45-00:30

1 stop15h 45m

£1,089

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from Alaska to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Alaska with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Alaska to London Heathrow Airport

What is the cheapest month to book a flight from Alaska to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £508). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £1,170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Alaska to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Alaska to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Alaska to London Heathrow Airport?

    Alaska Airlines, United Airlines, and Delta can get you from Alaska to London Heathrow Airport in just under 15h 58m. Your travel time can differ by up to 6h 22m. Airlines will cover a distance of 4213 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as £314. However, be on the lookout for offers from Virgin Atlantic and British Airways, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.

  • What are the most popular routes from Alaska to London Heathrow Airport?

    While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.

  • Can I find deals for flights from Alaska to Heathrow that include hotel bookings?

    Yes. In addition to deals on Alaska to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Alaska to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Heathrow.

  • Can I find deals for business class flights from Alaska to Heathrow?

    Yes. Cheapflights offers flight deals from Alaska to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Alaska to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £508). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £1,170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to Stansted flights
Los Angeles to London City flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Orlando to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
Seattle to Gatwick flights
O'Hare Intl to London City flights
San Francisco to Stansted flights
San Francisco to London City flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Alaska to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alaska to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Alaska to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Heathrow.

Can Cheapflights find flights from Alaska to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Alaska shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Alaska to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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