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Cheap flights from Alaska to London Heathrow Airport from £328

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
27 Jan — 3 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 28 December 2025.

Sat 27/1221:00ANC - LHR
2 stops53h 20mMultiple Airlines
Fri 2/110:25LHR - ANC
1 stop18h 20mMultiple Airlines
Deal found 26/12£1,986

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 28 December 2025.

Round-trip from

£611

One-way from

£328

Popular in

January

Cheapest in

November

Average price

£1,028
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 3 total stops
  • 38h 50m total
  • Alaska to London
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 23h 50m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 28 December 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

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

06:35-22:50

2 stops24h 15m

£625

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

10:25-20:01

1 stop17h 36m

£630

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 10/2

05:55-10:30

1 stop19h 35m

London Heathrow

Tue 17/2

06:30-22:41

2 stops25h 11m

£646

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 25/1

09:00-09:40

1 stop15h 40m

London Heathrow

Tue 10/2

06:35-19:57

2 stops22h 22m

£650

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

23:45-06:20

2 stops21h 35m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£653

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 10/2

05:55-11:40

2 stops20h 45m

London Heathrow

Tue 17/2

06:30-22:41

2 stops25h 11m

£654

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 8/2

05:55-13:45

2 stops22h 50m

London Heathrow

Sun 15/2

20:25-18:57

2 stops31h 32m

£654

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/2

09:00-09:40

1 stop15h 40m

London Heathrow

Wed 25/2

06:30-19:46

2 stops22h 16m

£658

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 21/1

07:05-19:30

2 stops27h 25m

London Heathrow

Wed 4/2

12:15-22:52

2 stops19h 37m

£659

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 10/5

20:45-06:45

1 stop25h 00m

London Heathrow

Sat 6/6

17:40-23:59

3 stops39h 19m

£837

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 22 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 £875). 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, KLM, and United Airlines can get you from Alaska to London Heathrow Airport in just under 15h 40m. Your travel time can differ by up to 8h 05m. 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 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 £203. However, be on the lookout for offers from JetBlue and Air Canada, 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 £516). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £875). 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
Croydon
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

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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.

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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