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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
21 Feb — 28 Feb1
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 22 January 2026.

Tue 24/209:00
ANC
-
LHR
2 stops23h 45m
Lufthansa
Mon 9/319:30
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 21/1£581
Tue 27/109:00
ANC
-
LHR
1 stop15h 40m
United Airlines
Tue 3/216:40
LHR
-
ANC
2 stops36h 17m
United Airlines
Deal found 20/1£586
Tue 24/321:10
ANC
-
LHR
2 stops26h 00m
Multiple Airlines
Thu 2/406:55
LHR
-
ANC
2 stops24h 50m
Multiple Airlines
Deal found 21/1£587
Tue 24/321:10
ANC
-
LHR
1 stop24h 45m
United Airlines
Thu 2/406:55
LHR
-
ANC
2 stops24h 50m
United Airlines
Deal found 21/1£590
Tue 11/823:59
ANC
-
LHR
2 stops25h 01m
United Airlines
Thu 20/806:55
LHR
-
ANC
2 stops21h 47m
United Airlines
Deal found 21/1£593
Sun 1/323:45
ANC
-
LHR
1 stop24h 55m
United Airlines
Tue 17/313:00
LHR
-
ANC
2 stops39h 01m
United Airlines
Deal found 22/1£598
Mon 10/814:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Thu 20/814:05
LHR
-
ANC
2 stops38h 40m
Air Canada
Deal found 21/1£602
Mon 10/814:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Wed 19/809:30
LHR
-
ANC
2 stops37h 08m
Air Canada
Deal found 21/1£603
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£745
Sat 7/313:36
JNU
-
LHR
2 stops44h 54m
Icelandair
Sat 14/312:15
LHR
-
JNU
2 stops19h 53m
Icelandair
Deal found 21/1£762
Fri 6/318:46
JNU
-
LHR
2 stops31h 04m
Icelandair
Fri 13/312:15
LHR
-
JNU
2 stops19h 53m
Icelandair
Deal found 20/1£765
Fri 6/307:26
JNU
-
LHR
3 stops20h 34m
Multiple Airlines
Fri 13/306:30
LHR
-
JNU
3 stops23h 04m
Multiple Airlines
Deal found 20/1£787

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 22 January 2026.

Round-trip from

£581

One-way from

£315

Popular in

January

Cheapest in

April

Average price

£1,178
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 4 total stops
  • 56h 16m total
  • Alaska to London
Search Deals
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 (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 22 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

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£581

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 1/3

23:45-09:40

1 stop24h 55m

London Heathrow

Tue 17/3

13:00-20:01

2 stops39h 01m

£598

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

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 25/3

23:52-09:40

1 stop25h 48m

London Heathrow

Thu 9/4

06:55-22:45

2 stops24h 50m

£628

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 22/3

23:52-09:40

1 stop25h 48m

London Heathrow

Sat 4/4

06:55-22:45

2 stops24h 50m

£628

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

£745

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Fri 6/3

07:00-17:05

2 stops25h 05m

London Heathrow

Fri 13/3

06:30-21:34

3 stops23h 04m

£787

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sat 7/3

18:46-13:00

2 stops33h 14m

London Heathrow

Sat 14/3

17:50-21:34

3 stops35h 44m

£800

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sat 7/3

07:00-07:10

1 stop15h 10m

London Heathrow

Sat 14/3

09:25-00:08

1 stop22h 43m

£824

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 32 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 £516). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £880). 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.

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?

    Lufthansa, United Airlines, and American Airlines can get you from Alaska to London Heathrow Airport in just under 15h 10m. Your travel time can differ by up to 9h 45m. Airlines will cover a distance of 4418 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 £516). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £880). 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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Boston to Stansted flights
Dulles Intl to London City flights
Tampa to Heathrow flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Los Angeles to London City flights
Reagan-National to Gatwick flights
Los Angeles to Stansted flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
San Francisco to London City flights
O'Hare Intl to Stansted flights
George Bush Intcntl to Heathrow 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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