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Cheap flights from Alaska to London Heathrow Airport from £248

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
11 Aug — 18 Aug1
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 12 July 2026.

Tue 20/1020:59
ANC
-
LHR
1 stop26h 31m
Lufthansa
Fri 23/1007:25
LHR
-
ANC
2 stops24h 18m
Lufthansa
Deal found 11/7£603
Sun 16/822:19
ANC
-
LHR
1 stop24h 26m
United Airlines
Wed 19/806:55
LHR
-
ANC
2 stops22h 04m
United Airlines
Deal found 7/7£606
Wed 14/1016:02
ANC
-
LHR
1 stop14h 33m
Delta
Wed 28/1006:30
LHR
-
ANC
2 stops22h 25m
Delta
Deal found 10/7£661
Tue 20/1006:15
ANC
-
LHR
2 stops19h 15m
Multiple Airlines
Fri 23/1011:45
LHR
-
ANC
2 stops21h 48m
Multiple Airlines
Deal found 11/7£665
Wed 14/1010:20
ANC
-
LHR
1 stop19h 45m
Alaska Airlines
Wed 28/1014:45
LHR
-
ANC
1 stop16h 03m
Alaska Airlines
Deal found 10/7£669
Sun 25/1006:00
ANC
-
LHR
1 stop22h 20m
Alaska Airlines
Wed 3/214:45
LHR
-
ANC
1 stop15h 54m
Alaska Airlines
Deal found 12/7£670
Tue 29/911:51
ANC
-
LHR
1 stop18h 44m
KLM
Fri 9/1011:45
LHR
-
ANC
2 stops21h 48m
KLM
Deal found 12/7£674
Tue 29/920:59
ANC
-
LHR
2 stops26h 36m
United Airlines
Fri 9/1006:55
LHR
-
ANC
2 stops22h 02m
United Airlines
Deal found 12/7£674
Tue 29/920:20
ANC
-
LHR
1 stop25h 00m
British Airways
Fri 9/1008:55
LHR
-
ANC
1 stop19h 22m
British Airways
Deal found 12/7£694
Sun 18/1006:15
ANC
-
LHR
1 stop20h 55m
Delta
Sun 1/1106:30
LHR
-
ANC
2 stops23h 25m
Delta
Deal found 12/7£698
Fri 9/1020:59
ANC
-
LHR
2 stops48h 31m
Multiple Airlines
Sat 24/1006:55
LHR
-
ANC
2 stops24h 48m
Multiple Airlines
Deal found 8/7£700
Sat 8/801:00
FAI
-
LHR
1 stop23h 40m
United Airlines
Tue 25/806:50
LHR
-
FAI
2 stops21h 26m
United Airlines
Deal found 9/7£702

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 12 July 2026.

Round-trip from

£603

One-way from

£248

Popular in

June

Cheapest in

January

Average price

£942
Lufthansa
  • Lufthansa
  • 20/10-23/10
  • 3 total stops
  • 50h 49m total
  • Alaska to London
Search Deals
British Airways
  • British Airways
  • 15/11
  • 1 total stop
  • 25h 29m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 12 July 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

Sun 16/8

22:19-07:45

1 stop24h 26m

London Heathrow

Wed 19/8

06:55-19:59

2 stops22h 04m

£606

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 20/10

10:20-15:05

1 stop19h 45m

London Heathrow

Fri 23/10

17:00-23:39

1 stop15h 39m

£669

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 18/10

06:15-12:10

1 stop20h 55m

London Heathrow

Sun 1/11

06:20-21:26

2 stops23h 06m

£703

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 9/8

20:45-10:00

2 stops28h 15m

London Heathrow

Tue 25/8

06:50-19:16

2 stops21h 26m

£704

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 18/10

06:00-15:05

1 stop24h 05m

London Heathrow

Sun 1/11

14:45-22:50

1 stop17h 05m

£706

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 21/9

14:30-15:35

1 stop16h 05m

London Heathrow

Mon 28/9

09:55-00:35

2 stops23h 40m

£712

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 9/8

01:00-06:45

2 stops20h 45m

London Heathrow

Wed 19/8

11:05-22:59

2 stops20h 54m

£718

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 23/8

14:42-15:35

1 stop15h 53m

London Heathrow

Wed 2/9

12:25-20:49

1 stop17h 24m

£723

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 9/8

14:42-15:35

1 stop15h 53m

London Heathrow

Tue 25/8

12:25-20:49

1 stop17h 24m

£724

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/8

08:15-15:35

1 stop22h 20m

London Heathrow

Mon 24/8

06:30-16:26

2 stops18h 56m

£733

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 38 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
No data available for this route at this time. Please check back soon.

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?

    Delta, United Airlines, and Alaska Airlines can get you from Alaska to London Heathrow Airport in just under 20h 55m. Your travel time can differ by up to 7h 20m. 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.

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
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Eastbourne
Swindon
Poole
Southall
Aylesbury
Romford

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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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Dulles Intl to Gatwick flights
Los Angeles to Gatwick flights
Boston to London City flights
Miami to Heathrow flights
Hobby to Heathrow flights
Denver to Heathrow flights
Dulles Intl to London City flights
Boston to Stansted flights
Los Angeles to Stansted flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
LaGuardia to Stansted flights
Reagan-National to Gatwick flights
Orlando to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Stansted flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
Raleigh to Heathrow flights
Minneapolis to Heathrow 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.

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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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