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Cheap flights from Alaska to London Heathrow Airport from £337

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£503

One-way from

£337

Popular in

August

Cheapest in

October

Average price

£1,009
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/10-8/10
  • 4 total stops
  • 63h 15m total
  • Alaska to London
Search Deals
Icelandair
  • Icelandair
  • 8/9
  • 2 total stops
  • 17h 21m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Alaska to Heathrow

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 13 June 2025.

Wed 1/1010:40ANC - LHR
2 stops37h 40mScandinavian Airlines
Wed 8/1006:40LHR - ANC
2 stops25h 35mScandinavian Airlines
Deal found 12/6£503
Mon 4/816:40ANC - LHR
2 stops34h 10mMultiple Airlines
Wed 20/809:30LHR - ANC
1 stop12h 20mMultiple Airlines
Deal found 12/6£667
Tue 12/816:08ANC - LHR
2 stops29h 22mUnited Airlines
Wed 27/808:30LHR - ANC
1 stop13h 20mUnited Airlines
Deal found 11/6£679
Mon 8/916:45ANC - LHR
2 stops34h 05mAir Canada
Fri 19/914:10LHR - ANC
1 stop34h 46mAir Canada
Deal found 11/6£688
Wed 1/1010:40ANC - LHR
1 stop15h 40mDelta
Wed 8/1011:30LHR - ANC
2 stops20h 45mDelta
Deal found 12/6£692
Mon 1/910:59ANC - LHR
1 stop18h 16mKLM
Tue 16/917:25LHR - ANC
1 stop17h 20mKLM
Deal found 12/6£698
Wed 3/915:05ANC - LHR
2 stops17h 00mLufthansa
Wed 17/906:55LHR - ANC
2 stops14h 55mLufthansa
Deal found 11/6£720
Mon 20/1011:16ANC - LHR
2 stops39h 39mIcelandair
Mon 27/1020:40LHR - ANC
2 stops34h 08mIcelandair
Deal found 12/6£723
Wed 1/1015:00FAI - LHR
1 stop14h 15mDelta
Mon 6/1011:30LHR - FAI
2 stops21h 47mDelta
Deal found 11/6£730
Tue 30/901:30FAI - LHR
2 stops20h 15mAir France
Mon 6/1011:30LHR - FAI
2 stops21h 47mAir France
Deal found 11/6£734
Mon 15/906:10ANC - LHR
1 stop22h 00mAir France
Wed 1/1006:15LHR - ANC
2 stops19h 07mAir France
Deal found 13/6£751
Sun 20/720:50FAI - LHR
2 stops24h 05mUnited Airlines
Tue 29/708:30LHR - FAI
1 stop20h 00mUnited Airlines
Deal found 11/6£752

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 13 June 2025.
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

Wed 1/10

10:40-09:20

2 stops37h 40m

London Heathrow

Wed 8/10

06:40-23:15

2 stops25h 35m

£503

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/8

16:40-11:50

2 stops34h 10m

London Heathrow

Wed 20/8

09:30-12:50

1 stop12h 20m

£667

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 12/8

16:08-06:30

2 stops29h 22m

London Heathrow

Wed 27/8

08:30-12:50

1 stop13h 20m

£679

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/9

16:45-13:20

1 stop35h 35m

London Heathrow

Fri 19/9

14:10-15:56

1 stop34h 46m

£688

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 1/10

10:40-11:20

1 stop15h 40m

London Heathrow

Wed 8/10

11:30-23:15

2 stops20h 45m

£692

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 1/9

10:59-14:15

1 stop18h 16m

London Heathrow

Tue 16/9

17:25-01:45

1 stop17h 20m

£698

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 3/9

15:05-17:05

2 stops17h 00m

London Heathrow

Wed 17/9

06:55-12:50

2 stops14h 55m

£720

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 20/10

11:16-11:55

2 stops39h 39m

London Heathrow

Mon 27/10

20:40-22:48

2 stops34h 08m

£723

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 1/10

15:00-14:15

1 stop14h 15m

London Heathrow

Mon 6/10

11:30-00:17

2 stops21h 47m

£730

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 30/9

01:30-06:45

2 stops20h 15m

London Heathrow

Mon 6/10

11:30-00:17

2 stops21h 47m

£734

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 36 results
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2
3
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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, January is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £112). Flying from Alaska to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from AK to LHR?

Find hourly flight availability from Alaska to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from Alaska to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 13 June 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from Alaska to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Alaska Airlines
8.0
Very Good
10,000 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £337. However, be on the lookout for offers from Air Canada and United Airlines, 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 Juneau Intl - London Heathrow or Fairbanks - 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, January is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £112). Flying from Alaska to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Alaska?

Book flights to Alaska if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
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Watford
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Ipswich
Winchester
Folkestone
Maidstone
Swindon

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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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How does Cheapflights help users find 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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