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Cheap flights from Alaska to London Heathrow Airport from £259

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Wed 3/1206:05ANC - LHR
1 stop16h 00mKLM
Wed 10/1206:30LHR - ANC
2 stops19h 04mKLM
Deal found 13/11£469
Tue 2/1200:30ANC - LHR
2 stops21h 35mDelta
Wed 10/1206:30LHR - ANC
2 stops21h 34mDelta
Deal found 13/11£473
Tue 2/1223:59ANC - LHR
2 stops22h 31mUnited Airlines
Tue 23/1211:35LHR - ANC
1 stop20h 21mUnited Airlines
Deal found 12/11£490
Mon 1/1200:30ANC - LHR
2 stops22h 20mDelta
Tue 23/1211:05LHR - ANC
2 stops21h 54mDelta
Deal found 12/11£494
Thu 13/1121:07ANC - LHR
2 stops27h 13mMultiple Airlines
Thu 20/1107:40LHR - ANC
2 stops24h 16mMultiple Airlines
Deal found 12/11£500
Thu 13/1121:07ANC - LHR
1 stop23h 48mUnited Airlines
Thu 20/1106:35LHR - ANC
2 stops25h 21mUnited Airlines
Deal found 12/11£505
Wed 12/1100:30ANC - LHR
1 stop25h 00mKLM
Thu 20/1108:40LHR - ANC
2 stops19h 06mKLM
Deal found 12/11£507
Wed 12/1100:30ANC - LHR
2 stops21h 25mDelta
Thu 20/1106:30LHR - ANC
2 stops21h 16mDelta
Deal found 12/11£511
Thu 11/1223:59ANC - LHR
2 stops20h 56mUnited Airlines
Thu 18/1210:25LHR - ANC
1 stop18h 20mUnited Airlines
Deal found 11/11£528
Sun 7/1205:55ANC - LHR
2 stops20h 45mDelta
Sun 14/1213:00LHR - ANC
2 stops21h 53mDelta
Deal found 13/11£532
Fri 26/1201:55FAI - LHR
2 stops35h 30mMultiple Airlines
Sat 3/122:40LHR - FAI
2 stops34h 55mMultiple Airlines
Deal found 11/11£2,113
Fri 26/1201:50FAI - LHR
1 stop23h 40mKLM
Sat 3/115:05LHR - FAI
1 stop18h 35mKLM
Deal found 11/11£2,530

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 14 November 2025.

Round-trip from

£469

One-way from

£259

Popular in

January

Cheapest in

November

Average price

£648
KLM
  • KLM
  • 3/12-10/12
  • 3 total stops
  • 35h 04m total
  • Alaska to London
Search Deals
10/1
  • 10/1
  • 3 total stops
  • 58h 56m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£107 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 November 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 14 November 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 3/12

06:05-07:05

1 stop16h 00m

London Heathrow

Wed 10/12

06:30-16:34

2 stops19h 04m

£469

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 9/12

05:55-10:30

1 stop19h 35m

London Heathrow

Thu 18/12

11:05-19:04

1 stop16h 59m

£490

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 1/12

00:30-07:05

2 stops21h 35m

London Heathrow

Tue 23/12

12:20-20:37

1 stop17h 17m

£494

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/12

00:30-06:25

2 stops20h 55m

London Heathrow

Thu 18/12

14:45-22:42

1 stop16h 57m

£494

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£512

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-10:30

1 stop24h 10m

London Heathrow

Mon 9/3

06:30-20:30

2 stops22h 00m

£513

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-08:45

2 stops22h 25m

London Heathrow

Mon 9/3

06:30-20:30

2 stops22h 00m

£516

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 6/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/2

13:50-19:57

2 stops39h 07m

£520

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 3/5

20:45-10:00

2 stops28h 15m

London Heathrow

Sat 16/5

14:05-18:41

2 stops37h 36m

£751

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 2/5

01:30-09:00

1 stop22h 30m

London Heathrow

Sat 16/5

17:25-00:06

1 stop15h 41m

£760

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 24 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 £530). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £898). 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 14 November 2025.

When flying from Alaska to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 49% versus a flight at midday.

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 United Airlines can get you from Alaska to London Heathrow Airport in just under 16h. Your travel time can differ by up to 12h 15m. 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 Copa Airlines, with whom users have recently found tickets for as low as £300. However, be on the lookout for offers from United Airlines and Alaska 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 Sitka - 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, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £530). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £898). 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
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
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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Top airline flying from Alaska to Heathrow

Discover the top airline that operate flights from Alaska to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£529Average£659FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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.

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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