Find flights
When to book
FAQs

Cheap flights from Alaska to London Heathrow Airport from £324

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
21 Mar — 28 Mar1
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 19 February 2026.

Sat 22/801:30
ANC
-
LHR
2 stops46h 50m
Scandinavian Airlines
Thu 10/910:20
LHR
-
ANC
2 stops48h 15m
Scandinavian Airlines
Deal found 16/2£549
Fri 21/801:30
ANC
-
LHR
2 stops46h 50m
Scandinavian Airlines
Thu 10/910:20
LHR
-
ANC
2 stops48h 15m
Scandinavian Airlines
Deal found 16/2£638
Mon 20/409:21
ANC
-
LHR
2 stops25h 59m
Icelandair
Wed 29/421:25
LHR
-
ANC
2 stops34h 18m
Icelandair
Deal found 18/2£641
Tue 14/412:10
ANC
-
LHR
2 stops23h 10m
Icelandair
Mon 27/421:25
LHR
-
ANC
2 stops58h 18m
Icelandair
Deal found 17/2£654
Mon 24/801:30
ANC
-
LHR
2 stops31h 10m
Scandinavian Airlines
Tue 8/906:40
LHR
-
ANC
2 stops27h 55m
Scandinavian Airlines
Deal found 16/2£660
Mon 20/423:47
ANC
-
LHR
1 stop24h 53m
United Airlines
Wed 29/406:55
LHR
-
ANC
2 stops21h 53m
United Airlines
Deal found 18/2£665
Sun 3/523:59
ANC
-
LHR
2 stops21h 31m
Air Canada
Mon 11/513:50
LHR
-
ANC
2 stops56h 46m
Air Canada
Deal found 19/2£666
Sat 2/520:45
ANC
-
LHR
2 stops28h 15m
Air Canada
Mon 11/517:15
LHR
-
ANC
2 stops53h 21m
Air Canada
Deal found 19/2£669
Tue 14/420:50
ANC
-
LHR
1 stop24h 55m
United Airlines
Mon 27/409:00
LHR
-
ANC
2 stops43h 48m
United Airlines
Deal found 17/2£673
Tue 25/806:00
ANC
-
LHR
2 stops25h 00m
Scandinavian Airlines
Sat 5/906:40
LHR
-
ANC
2 stops27h 55m
Scandinavian Airlines
Deal found 16/2£675
Fri 3/401:30
FAI
-
LHR
2 stops20h 15m
Multiple Airlines
Sat 11/417:45
LHR
-
FAI
1 stop15h 27m
Multiple Airlines
Deal found 18/2£861
Fri 3/401:30
FAI
-
LHR
1 stop25h 40m
Delta
Sat 11/417:45
LHR
-
FAI
1 stop15h 27m
Delta
Deal found 18/2£872

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 19 February 2026.

Round-trip from

£641

One-way from

£324

Popular in

December

Cheapest in

April

Average price

£844
Icelandair
  • Icelandair
  • 20/4-29/4
  • 4 total stops
  • 60h 17m total
  • Alaska to London
Search Deals
24/4
  • 24/4
  • 3 total stops
  • 44h 03m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Alaska

Fly to

Heathrow

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 20/4

23:47-09:40

1 stop24h 53m

London Heathrow

Wed 29/4

06:55-19:48

2 stops21h 53m

£665

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 14/4

20:50-06:45

1 stop24h 55m

London Heathrow

Mon 27/4

09:00-19:48

2 stops43h 48m

£673

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 24/4

13:22-20:20

2 stops21h 58m

London Heathrow

Mon 27/4

21:25-22:43

2 stops34h 18m

£677

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/4

23:47-05:55

2 stops21h 08m

London Heathrow

Wed 13/5

09:30-20:06

2 stops19h 36m

£689

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/5

06:00-15:35

1 stop24h 35m

London Heathrow

Mon 11/5

08:40-00:33

2 stops24h 53m

£701

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 6/5

13:41-15:35

1 stop16h 54m

London Heathrow

Mon 11/5

06:30-00:33

2 stops27h 03m

£702

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 3/5

09:05-20:20

2 stops26h 15m

London Heathrow

Thu 7/5

13:05-22:43

2 stops18h 38m

£702

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 5/5

06:00-15:35

1 stop24h 35m

London Heathrow

Mon 11/5

06:30-00:33

2 stops27h 03m

£702

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/4

06:00-13:05

2 stops22h 05m

London Heathrow

Wed 13/5

12:25-00:33

1 stop21h 08m

£712

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 2/5

20:45-10:00

2 stops28h 15m

London Heathrow

Sun 10/5

14:05-20:06

2 stops39h 01m

£719

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 38 results
1
2
3
4

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 £514). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £931). 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?

    Icelandair, Delta, and Air Canada can get you from Alaska to London Heathrow Airport in just under 14h 55m. Your travel time can differ by up to 11h 04m. Airlines will cover a distance of 4471 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 £303. 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 £514). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £931). 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
Milton Keynes
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Boston to Gatwick flights
LaGuardia to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Dulles Intl to Gatwick flights
Hobby to Heathrow flights
Miami to Heathrow flights
Reagan-National to Heathrow flights
Boston to London City flights
Newark to Stansted flights
Dulles Intl to London City flights
Newark to London City flights
Denver to Heathrow flights
Boston to Stansted flights
Los Angeles to Gatwick flights
Newark to Luton flights
O'Hare Intl to Gatwick flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Los Angeles to Stansted flights
Minneapolis to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
Los Angeles to London City flights
O'Hare Intl to Stansted flights
San Francisco to Gatwick flights
George Bush Intcntl to Heathrow flights
Tampa to Heathrow flights
Orlando to Gatwick flights
Austin to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Seattle to Gatwick flights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.