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Cheap flights from Alaska to London Heathrow Airport from £287

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
26 Dec — 2 Jan1
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 26 November 2025.

Thu 4/1200:30ANC - LHR
1 stop25h 00mDelta
Tue 9/1206:30LHR - ANC
2 stops21h 34mDelta
Deal found 25/11£621
Fri 5/1205:55ANC - LHR
2 stops29h 15mVirgin Atlantic
Tue 9/1206:30LHR - ANC
2 stops21h 34mVirgin Atlantic
Deal found 25/11£624
Sun 28/1206:00ANC - LHR
1 stop16h 05mVirgin Atlantic
Tue 13/112:20LHR - ANC
1 stop17h 24mVirgin Atlantic
Deal found 25/11£657
Sun 28/1221:00ANC - LHR
1 stop23h 55mUnited Airlines
Tue 13/109:10LHR - ANC
2 stops23h 05mUnited Airlines
Deal found 25/11£724
Mon 1/1209:00ANC - LHR
2 stops16h 50mIcelandair
Tue 9/1212:15LHR - ANC
2 stops18h 29mIcelandair
Deal found 25/11£840
Thu 4/1202:22ANC - LHR
1 stop19h 48mAmerican Airlines
Tue 9/1209:25LHR - ANC
1 stop23h 19mAmerican Airlines
Deal found 25/11£851
Fri 5/1207:05ANC - LHR
2 stops27h 25mIcelandair
Tue 9/1212:15LHR - ANC
2 stops18h 29mIcelandair
Deal found 23/11£854
Sat 27/1201:30ANC - LHR
2 stops20h 40mMultiple Airlines
Tue 13/118:00LHR - ANC
2 stops38h 15mMultiple Airlines
Deal found 25/11£965
Sun 30/1100:30ANC - LHR
1 stop25h 00mKLM
Tue 9/1206:30LHR - ANC
2 stops19h 04mKLM
Deal found 25/11£1,093
Thu 4/1201:30FAI - LHR
1 stop24h 00mDelta
Tue 9/1206:30LHR - FAI
2 stops26h 48mDelta
Deal found 23/11£1,205
Thu 4/1202:18FAI - LHR
1 stop19h 52mAmerican Airlines
Tue 9/1214:55LHR - FAI
1 stop18h 44mAmerican Airlines
Deal found 24/11£1,454

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 26 November 2025.

Round-trip from

£591

One-way from

£287

Popular in

January

Cheapest in

November

Average price

£649
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 3 total stops
  • 49h 11m total
  • Alaska to London
Search Deals
29/1
  • 29/1
  • 3 total stops
  • 19h 50m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 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 26 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

Mon 30/3

13:20-14:15

1 stop15h 55m

London Heathrow

Fri 24/4

06:30-18:48

2 stops21h 18m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 31/3

06:15-09:00

1 stop17h 45m

London Heathrow

Fri 24/4

06:30-18:48

2 stops21h 18m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 29/3

06:15-09:00

1 stop17h 45m

London Heathrow

Fri 24/4

06:30-18:48

2 stops21h 18m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 28/3

20:29-06:30

1 stop25h 01m

London Heathrow

Fri 24/4

06:30-18:48

2 stops21h 18m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 29/3

13:20-14:15

1 stop15h 55m

London Heathrow

Wed 22/4

08:40-20:20

2 stops20h 40m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 28/3

20:29-06:30

1 stop25h 01m

London Heathrow

Thu 23/4

09:55-20:20

2 stops19h 25m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 31/3

06:15-09:00

1 stop17h 45m

London Heathrow

Thu 23/4

09:55-20:20

2 stops19h 25m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 31/3

06:15-14:15

1 stop23h 00m

London Heathrow

Wed 22/4

06:30-18:48

2 stops21h 18m

£600

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 25/3

06:15-10:15

2 stops20h 00m

London Heathrow

Wed 22/4

06:30-18:48

2 stops21h 18m

£603

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/3

01:34-10:40

2 stops25h 06m

London Heathrow

Thu 23/4

06:30-20:20

2 stops22h 50m

£603

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 20 results
1
2

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 £899). 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 26 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.

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?

    Delta, American Airlines, and British Airways can get you from Alaska to London Heathrow Airport in just under 13h. Your travel time can differ by up to 7h. 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 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 £530). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £899). 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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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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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