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Cheap flights from Alaska to London Heathrow Airport from £249

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
6 Jun — 13 Jun1
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 7 May 2026.

Sun 4/1006:00
ANC
-
LHR
2 stops25h 00m
Scandinavian Airlines
Sun 11/1006:40
LHR
-
ANC
3 stops28h 05m
Scandinavian Airlines
Deal found 6/5£653
Tue 13/1007:05
ANC
-
LHR
1 stop23h 00m
Alaska Airlines
Thu 22/1017:00
LHR
-
ANC
1 stop16h 51m
Alaska Airlines
Deal found 4/5£661
Wed 7/1014:37
ANC
-
LHR
1 stop15h 28m
Alaska Airlines
Thu 15/1017:00
LHR
-
ANC
1 stop15h 39m
Alaska Airlines
Deal found 6/5£662
Mon 21/922:03
ANC
-
LHR
1 stop23h 47m
British Airways
Wed 7/1008:55
LHR
-
ANC
1 stop19h 13m
British Airways
Deal found 3/5£671
Tue 18/801:27
ANC
-
LHR
1 stop28h 38m
Alaska Airlines
Fri 28/817:00
LHR
-
ANC
1 stop16h 47m
Alaska Airlines
Deal found 7/5£674
Sun 20/906:00
ANC
-
LHR
3 stops27h 50m
Scandinavian Airlines
Sun 27/906:40
LHR
-
ANC
3 stops27h 55m
Scandinavian Airlines
Deal found 3/5£678
Sat 3/1022:03
ANC
-
LHR
1 stop24h 37m
British Airways
Fri 16/1008:55
LHR
-
ANC
1 stop19h 13m
British Airways
Deal found 6/5£686
Mon 14/922:03
ANC
-
LHR
1 stop23h 47m
British Airways
Thu 24/912:15
LHR
-
ANC
1 stop17h 14m
British Airways
Deal found 3/5£691
Mon 24/814:42
FAI
-
LHR
1 stop15h 53m
Delta
Tue 8/908:55
LHR
-
FAI
2 stops24h 11m
Delta
Deal found 4/5£704
Sun 23/801:15
FAI
-
LHR
1 stop26h 10m
United Airlines
Tue 8/911:25
LHR
-
FAI
1 stop20h 24m
United Airlines
Deal found 6/5£716
Mon 16/1110:57
SIT
-
LHR
2 stops16h 23m
Alaska Airlines
Thu 19/1114:45
LHR
-
SIT
3 stops28h 21m
Alaska Airlines
Deal found 4/5£813
Sun 1/1107:14
JNU
-
LHR
2 stops20h 06m
Alaska Airlines
Thu 5/1114:45
LHR
-
JNU
1 stop18h 43m
Alaska Airlines
Deal found 2/5£813

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 7 May 2026.

Round-trip from

£653

One-way from

£249

Popular in

June

Cheapest in

October

Average price

£891
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/10-11/10
  • 5 total stops
  • 53h 05m total
  • Alaska to London
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/10
  • 1 total stop
  • 15h 28m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£109 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 May 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 7 May 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

Mon 21/9

15:30-21:25

2 stops20h 55m

London Heathrow

Wed 7/10

06:55-19:45

2 stops21h 50m

£696

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 24/8

14:42-15:35

1 stop15h 53m

London Heathrow

Tue 8/9

08:55-00:06

2 stops24h 11m

£705

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 24/9

06:10-13:05

1 stop21h 55m

London Heathrow

Sat 3/10

08:40-22:22

2 stops22h 42m

£772

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 20/8

23:59-09:35

2 stops24h 36m

London Heathrow

Sun 30/8

07:25-19:48

2 stops21h 23m

£773

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sun 1/11

07:14-12:20

2 stops20h 06m

London Heathrow

Thu 5/11

14:45-00:28

1 stop18h 43m

£813

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 20/7

11:30-15:35

1 stop19h 05m

London Heathrow

Mon 27/7

08:55-22:26

2 stops22h 31m

£846

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 22/7

06:00-11:20

2 stops20h 20m

London Heathrow

Sun 9/8

11:30-23:59

2 stops21h 29m

£849

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 24/7

06:00-13:15

2 stops22h 15m

London Heathrow

Fri 31/7

17:45-01:54

1 stop17h 09m

£850

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 22/7

06:00-15:35

1 stop24h 35m

London Heathrow

Sun 9/8

12:25-00:59

1 stop21h 34m

£861

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 3/6

14:40-13:20

1 stop13h 40m

London Heathrow

Wed 10/6

06:55-12:56

2 stops39h 01m

£878

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 36 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 £502). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £923). 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, Delta, and Alaska Airlines can get you from Alaska to London Heathrow Airport in just under 15h 53m. Your travel time can differ by up to 5h 02m. 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 £376. 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 £502). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of £923). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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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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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