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Cheap flights from Alaska to London Heathrow Airport from £265

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
8 Feb — 15 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 9 January 2026.

Round-trip from

£579

One-way from

£265

Popular in

January

Cheapest in

April

Average price

£1,177
KLM
  • KLM
  • 23/2-9/3
  • 3 total stops
  • 50h 11m total
  • Alaska to London
Search Deals
7/2
  • 7/2
  • 3 total stops
  • 34h 56m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£99 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

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 9 January 2026.

Sat 17/120:22ANC - LHR
1 stop25h 03mVirgin Atlantic
Fri 30/108:40LHR - ANC
2 stops19h 16mVirgin Atlantic
Deal found 7/1£575
Mon 23/205:45ANC - LHR
1 stop19h 45mKLM
Mon 9/320:25LHR - ANC
2 stops30h 26mKLM
Deal found 7/1£579
Mon 23/205:45ANC - LHR
2 stops23h 00mMultiple Airlines
Mon 9/320:25LHR - ANC
2 stops30h 26mMultiple Airlines
Deal found 6/1£583
Wed 22/406:00ANC - LHR
1 stop24h 35mKLM
Wed 29/411:45LHR - ANC
2 stops17h 52mKLM
Deal found 6/1£591
Mon 2/201:30FAI - LHR
1 stop24h 00mDelta
Tue 10/212:20LHR - FAI
1 stop21h 02mDelta
Deal found 6/1£601
Sun 22/205:45ANC - LHR
1 stop19h 45mVirgin Atlantic
Sun 1/311:05LHR - ANC
1 stop16h 52mVirgin Atlantic
Deal found 8/1£608
Sat 21/201:27FAI - LHR
1 stop24h 03mKLM
Sun 1/320:25LHR - FAI
2 stops36h 57mKLM
Deal found 8/1£610
Tue 21/401:35ANC - LHR
2 stops20h 10mScandinavian Airlines
Wed 29/411:45LHR - ANC
2 stops17h 52mScandinavian Airlines
Deal found 6/1£613
Thu 15/105:55ANC - LHR
1 stop19h 35mKLM
Tue 20/106:30LHR - ANC
2 stops24h 48mKLM
Deal found 7/1£617
Tue 28/420:30ANC - LHR
1 stop26h 25mBritish Airways
Mon 11/508:55LHR - ANC
1 stop18h 55mBritish Airways
Deal found 6/1£620
Wed 14/101:20ANC - LHR
2 stops20h 45mDelta
Tue 20/106:30LHR - ANC
2 stops24h 48mDelta
Deal found 7/1£620
Sun 22/205:00FAI - LHR
2 stops20h 30mMultiple Airlines
Sun 1/306:20LHR - FAI
2 stops27h 30mMultiple Airlines
Deal found 8/1£677

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 9 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

Mon 23/2

05:45-10:30

1 stop19h 45m

London Heathrow

Mon 9/3

20:25-18:51

2 stops30h 26m

£579

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

05:45-10:30

1 stop19h 45m

London Heathrow

Mon 9/3

20:25-18:51

2 stops30h 26m

£579

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

05:45-13:45

2 stops23h 00m

London Heathrow

Mon 9/3

20:25-18:51

2 stops30h 26m

£583

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 22/4

06:00-15:35

1 stop24h 35m

London Heathrow

Wed 29/4

11:45-20:37

2 stops17h 52m

£591

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 2/2

01:30-10:30

1 stop24h 00m

London Heathrow

Tue 10/2

12:20-00:22

1 stop21h 02m

£601

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 21/2

01:27-10:30

1 stop24h 03m

London Heathrow

Sun 1/3

20:25-00:22

2 stops36h 57m

£610

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 21/4

01:35-06:45

2 stops20h 10m

London Heathrow

Wed 29/4

11:45-20:37

2 stops17h 52m

£613

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 19/2

01:20-10:30

1 stop24h 10m

London Heathrow

Fri 27/2

06:30-18:57

2 stops21h 27m

£617

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 19/2

01:20-07:05

2 stops20h 45m

London Heathrow

Fri 27/2

06:30-18:57

2 stops21h 27m

£620

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 22/2

05:00-10:30

2 stops20h 30m

London Heathrow

Sun 1/3

06:20-00:50

2 stops27h 30m

£677

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 26 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 £515). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £879). 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?

    KLM, Delta, and British Airways can get you from Alaska to London Heathrow Airport in just under 13h. Your travel time can differ by up to 11h. 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 cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £204. However, be on the lookout for offers from Air Canada and JetBlue, 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 £515). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £879). 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
Slough
Hounslow
Gatwick
Ilford
Wembley
Brentford
Hayes
Colchester
Watford
Crawley
Swindon
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
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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Fly with Cheapflights

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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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