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Cheap flights from Alaska to London Heathrow Airport from £315

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
19 Feb — 26 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated 20 January 2026.

Round-trip from

£582

One-way from

£315

Popular in

January

Cheapest in

April

Average price

£1,180
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 4 total stops
  • 55h 21m total
  • Alaska to London
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29/4
  • 29/4
  • 2 total stops
  • 29h 30m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 20 January 2026.

Tue 24/209:00
ANC
-
LHR
2 stops22h 50m
Lufthansa
Mon 9/319:30
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 19/1£582
Tue 10/323:52
ANC
-
LHR
2 stops22h 48m
United Airlines
Wed 18/311:35
LHR
-
ANC
1 stop19h 15m
United Airlines
Deal found 19/1£594
Sun 1/323:45
ANC
-
LHR
2 stops21h 10m
United Airlines
Tue 17/313:25
LHR
-
ANC
2 stops38h 36m
United Airlines
Deal found 19/1£598
Mon 2/309:00
ANC
-
LHR
1 stop15h 40m
United Airlines
Mon 9/313:30
LHR
-
ANC
2 stops38h 31m
United Airlines
Deal found 18/1£602
Sun 4/1023:45
ANC
-
LHR
1 stop24h 55m
United Airlines
Wed 21/1014:05
LHR
-
ANC
2 stops38h 40m
United Airlines
Deal found 19/1£606
Sun 4/1020:55
ANC
-
LHR
2 stops28h 05m
Air Canada
Fri 23/1009:30
LHR
-
ANC
2 stops43h 15m
Air Canada
Deal found 19/1£609
Sun 26/421:04
ANC
-
LHR
1 stop24h 41m
United Airlines
Tue 5/517:40
LHR
-
ANC
2 stops32h 21m
United Airlines
Deal found 19/1£610
Wed 5/806:10
ANC
-
LHR
1 stop17h 50m
British Airways
Wed 26/810:05
LHR
-
ANC
1 stop22h 01m
British Airways
Deal found 19/1£611
Sun 26/421:04
ANC
-
LHR
2 stops26h 31m
Air Canada
Tue 5/514:05
LHR
-
ANC
2 stops39h 01m
Air Canada
Deal found 19/1£612
Sun 26/420:30
ANC
-
LHR
1 stop24h 50m
British Airways
Wed 6/508:55
LHR
-
ANC
1 stop18h 55m
British Airways
Deal found 19/1£613
Sat 31/101:30
FAI
-
LHR
3 stops29h 30m
Multiple Airlines
Sat 7/206:40
LHR
-
FAI
3 stops26h 42m
Multiple Airlines
Deal found 19/1£667
Sun 17/520:55
FAI
-
LHR
1 stop24h 50m
United Airlines
Sun 31/514:50
LHR
-
FAI
1 stop16h 59m
United Airlines
Deal found 20/1£746

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 20 January 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

Sun 1/3

23:45-09:40

1 stop24h 55m

London Heathrow

Tue 17/3

13:25-20:01

2 stops38h 36m

£594

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/3

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

13:30-20:01

2 stops38h 31m

£602

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 26/4

21:04-06:55

2 stops24h 51m

London Heathrow

Fri 8/5

08:00-17:01

1 stop18h 01m

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 28/4

23:47-06:45

2 stops21h 58m

London Heathrow

Fri 8/5

08:00-17:01

1 stop18h 01m

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 26/4

21:04-06:45

1 stop24h 41m

London Heathrow

Thu 7/5

08:00-22:45

2 stops23h 45m

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£617

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 31/1

01:30-16:00

3 stops29h 30m

London Heathrow

Sat 7/2

06:40-00:22

3 stops26h 42m

£667

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 17/5

20:55-06:45

1 stop24h 50m

London Heathrow

Sun 31/5

14:50-22:49

1 stop16h 59m

£746

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 14/5

01:30-15:35

1 stop29h 05m

London Heathrow

Fri 22/5

11:40-00:06

1 stop21h 26m

£766

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 3/3

01:27-10:30

1 stop24h 03m

London Heathrow

Wed 11/3

06:30-00:11

2 stops25h 41m

£787

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 33 results
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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 £517). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £881). 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?

    United Airlines and KLM can get you from Alaska to London Heathrow Airport in just under 24h 55m. Your travel time can differ by up to 4h 10m. 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 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 £517). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £881). 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
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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 Gatwick flights
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Boston to Stansted flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Tampa to Heathrow flights
San Francisco to Gatwick flights
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Los Angeles to London City flights
Reagan-National to Gatwick flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
Dallas/Fort Worth to Gatwick flights
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How does Cheapflights help users find flights from Alaska to Heathrow?

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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.

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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.

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