How long is the flight from Alaska to London Heathrow Airport?

Delta, KLM, and Air France can get you from Alaska to London Heathrow Airport in just under 16h. Your travel time can differ by up to 4h 55m. Airlines will cover a distance of 4471 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

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.

What are the most popular airlines that fly from Alaska to London Heathrow Airport?

Before booking your flight from Alaska to London Heathrow Airport check out the most popular airlines for this route: Virgin Atlantic, Air Canada or British Airways.

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.

£298+ Flights from Alaska to London Heathrow Airport

Q: How much does it cost for a return flight from Alaska to London Heathrow Airport?

Airfare is below average for this route at the moment. Alaska to London Heathrow Airport flights typically cost between £674 and £862 in November. The cheapest return flight price found within the last 3 days was £443 on Multiple Airlines (12 Nov-18 Nov).

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 24 October 2025.

Sat 25/1020:15ANC - LHR

1 stop26h 10mDelta

Fri 7/1106:20LHR - ANC

2 stops25h 27mDelta

Deal found 23/10£437

Sat 25/1020:15ANC - LHR

1 stop26h 10mVirgin Atlantic

Fri 7/1111:05LHR - ANC

1 stop16h 26mVirgin Atlantic

Deal found 23/10£442

Wed 12/1106:00ANC - LHR

1 stop19h 30mMultiple Airlines

Tue 18/1106:20LHR - ANC

2 stops19h 22mMultiple Airlines

Deal found 23/10£443

Tue 11/1100:30ANC - LHR

1 stop25h 00mKLM

Wed 19/1106:30LHR - ANC

2 stops19h 12mKLM

Deal found 23/10£444

Tue 11/1100:30ANC - LHR

2 stops20h 50mDelta

Wed 19/1106:20LHR - ANC

2 stops21h 26mDelta

Deal found 23/10£446

Tue 11/1100:30ANC - LHR

1 stop25h 00mKLM

Tue 18/1114:45LHR - ANC

1 stop17h 04mKLM

Deal found 23/10£448

Sat 8/1121:07ANC - LHR

2 stops27h 13mMultiple Airlines

Tue 18/1106:35LHR - ANC

2 stops25h 21mMultiple Airlines

Deal found 23/10£457

Sun 7/1206:05ANC - LHR

1 stop16h 00mKLM

Sun 14/1206:30LHR - ANC

2 stops21h 34mKLM

Deal found 23/10£459

Sat 6/1200:30ANC - LHR

1 stop25h 00mDelta

Sun 14/1211:45LHR - ANC

2 stops40h 19mDelta

Deal found 23/10£465

Sat 25/1020:15ANC - LHR

1 stop31h 25mKLM

Fri 7/1106:30LHR - ANC

2 stops18h 52mKLM

Deal found 23/10£472

Sat 6/1201:30FAI - LHR

2 stops20h 35mAir France

Sun 14/1208:55LHR - FAI

2 stops24h 23mAir France

Deal found 22/10£481

Fri 7/1106:05ANC - LHR

1 stop16h 00mMultiple Airlines

Fri 21/1106:20LHR - ANC

2 stops21h 26mMultiple Airlines

Deal found 22/10£481

Best flights from Alaska to Heathrow
Discover carefully curated flight deals from Alaska to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2025.

Tue 11/1100:30ANC - LHR

2 stops20h 55mDelta

Tue 18/1106:20LHR - ANC

2 stops19h 22mDelta

Deal found 23/10£446

Wed 12/1106:05ANC - LHR

1 stop16h 00mKLM

Tue 18/1111:05LHR - ANC

1 stop16h 41mKLM

Deal found 23/10£448

Sun 7/1205:55ANC - LHR

2 stops19h 20mMultiple Airlines

Sun 14/1206:30LHR - ANC

2 stops21h 34mMultiple Airlines

Deal found 23/10£459

Sat 6/1201:30FAI - LHR

2 stops20h 35mAir France

Sun 14/1208:55LHR - FAI

2 stops24h 23mAir France

Deal found 22/10£481

Tue 6/106:00ANC - LHR

1 stop19h 30mDelta

Fri 23/106:20LHR - ANC

2 stops23h 10mDelta

Deal found 22/10£449

Mon 8/1205:55ANC - LHR

2 stops19h 20mMultiple Airlines

Mon 15/1208:40LHR - ANC

2 stops19h 24mMultiple Airlines

Deal found 23/10£469

Fri 7/1106:05ANC - LHR

1 stop16h 00mKLM

Fri 21/1106:30LHR - ANC

2 stops21h 16mKLM

Deal found 23/10£481

Wed 7/106:00ANC - LHR

1 stop19h 30mDelta

Wed 14/106:20LHR - ANC

2 stops23h 10mDelta

Deal found 22/10£449

Fri 17/411:05SIT - LHR

2 stops17h 35mAlaska Airlines

Tue 21/409:25LHR - SIT

2 stops17h 55mAlaska Airlines

Deal found 21/10£1,068

Mon 8/1206:05ANC - LHR

1 stop16h 00mKLM

Mon 15/1211:05LHR - ANC

1 stop16h 59mKLM

Deal found 23/10£486

Mon 23/201:20ANC - LHR

1 stop24h 10mMultiple Airlines

Mon 9/306:20LHR - ANC

2 stops22h 10mMultiple Airlines

Deal found 21/10£487

Sun 7/1205:55ANC - LHR

1 stop19h 35mDelta

Sun 14/1211:45LHR - ANC

2 stops40h 19mDelta

Deal found 23/10£465

Sun 7/1207:18JNU - LHR

3 stops23h 32mMultiple Airlines

Sun 14/1207:40LHR - JNU

2 stops23h 56mMultiple Airlines

Deal found 22/10£646

Sun 7/1208:00FAI - LHR

2 stops18h 50mMultiple Airlines

Sun 14/1211:10LHR - FAI

2 stops46h 29mMultiple Airlines

Deal found 22/10£688

Sun 7/1211:25SIT - LHR

3 stops34h 25mMultiple Airlines

Sun 14/1216:30LHR - SIT

3 stops35h 00mMultiple Airlines

Deal found 22/10£799

Last-minute flights from Alaska to Heathrow
Discover last-minute flight deals from Alaska to Heathrow. Data last updated 24 October 2025 and is based on user searches.

Sat 25/1020:15ANC - LHR

1 stop26h 10mDelta

Fri 7/1106:20LHR - ANC

2 stops25h 27mDelta

Deal found 23/10£437

Sat 25/1020:15ANC - LHR

1 stop26h 10mVirgin Atlantic

Fri 7/1111:05LHR - ANC

1 stop16h 26mVirgin Atlantic

Deal found 23/10£442

Sat 25/1020:15ANC - LHR

1 stop28h 45mMultiple Airlines

Fri 7/1112:20LHR - ANC

1 stop19h 27mMultiple Airlines

Deal found 23/10£469

Sat 25/1020:15ANC - LHR

1 stop31h 25mKLM

Fri 7/1106:30LHR - ANC

2 stops18h 52mKLM

Deal found 23/10£472

Sun 26/1006:05ANC - LHR

1 stop17h 00mKLM

Sat 8/1108:40LHR - ANC

2 stops18h 51mKLM

Deal found 21/10£482

Mon 27/1006:05ANC - LHR

1 stop17h 00mKLM

Mon 10/1108:40LHR - ANC

2 stops19h 06mKLM

Deal found 23/10£481

Fri 7/1106:05ANC - LHR

1 stop16h 00mMultiple Airlines

Fri 21/1106:20LHR - ANC

2 stops21h 26mMultiple Airlines

Deal found 22/10£481

Sat 8/1121:07ANC - LHR

2 stops27h 13mMultiple Airlines

Tue 18/1106:35LHR - ANC

2 stops25h 21mMultiple Airlines

Deal found 23/10£457

Tue 11/1100:30ANC - LHR

1 stop25h 00mKLM

Wed 19/1106:30LHR - ANC

2 stops19h 12mKLM

Deal found 23/10£444

Wed 12/1106:00ANC - LHR

1 stop19h 30mDelta

Wed 19/1106:20LHR - ANC

2 stops21h 26mDelta

Deal found 23/10£443

One-way flights from Alaska to Heathrow
Search for one-way flight options from Alaska to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 October 2025.

Tue 9/1223:59ANC - LHR

2 stops25h 26mUnited Airlines

Deal found 23/10£298

Mon 8/1202:22ANC - LHR

1 stop19h 38mAmerican Airlines

Deal found 23/10£313

Sat 21/310:00ANC - LHR

2 stops42h 50mMultiple Airlines

Deal found 22/10£376

Sat 21/320:55ANC - LHR

1 stop25h 00mUnited Airlines

Deal found 23/10£387

Fri 20/301:30ANC - LHR

2 stops22h 35mDelta

Deal found 23/10£424

Mon 22/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Deal found 23/10£511

Cheap flight deals from Alaska to Heathrow

Round-trip from	£443
One-way from	£298
Popular in	December
Cheapest in	April
Average price	£721

Air France
12/11-18/11
3 total stops
38h 52m total
Alaska to London

Search Deals

United Airlines
9/12
2 total stops
25h 26m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 11/11

00:30-06:25

2 stops20h 55m

London Heathrow

Tue 18/11

06:20-16:42

2 stops19h 22m

£446

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 12/11

06:05-07:05

1 stop16h 00m

London Heathrow

Tue 18/11

11:05-18:46

1 stop16h 41m

£448

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 6/1

06:00-10:30

1 stop19h 30m

London Heathrow

Fri 23/1

06:20-20:30

2 stops23h 10m

£449

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 7/1

06:00-10:30

1 stop19h 30m

London Heathrow

Wed 14/1

06:20-20:30

2 stops23h 10m

£449

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 7/12

05:55-10:15

2 stops19h 20m

London Heathrow

Sun 14/12

06:30-19:04

2 stops21h 34m

£459

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 7/12

05:55-10:30

1 stop19h 35m

London Heathrow

Sun 14/12

11:45-19:04

2 stops40h 19m

£465

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/12

05:55-10:15

2 stops19h 20m

London Heathrow

Mon 15/12

08:40-19:04

2 stops19h 24m

£469

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 6/12

01:30-07:05

2 stops20h 35m

London Heathrow

Sun 14/12

08:55-00:18

2 stops24h 23m

£481

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 7/11

06:05-07:05

1 stop16h 00m

London Heathrow

Fri 21/11

06:30-18:46

2 stops21h 16m

£481

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/12

06:05-07:05

1 stop16h 00m

London Heathrow

Mon 15/12

11:05-19:04

1 stop16h 59m

£486

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 22 results

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 £525). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £886). 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?

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

How long is the flight from Alaska to London Heathrow Airport?
Delta, KLM, and Air France can get you from Alaska to London Heathrow Airport in just under 16h. Your travel time can differ by up to 4h 55m. 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 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 £525). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £886). 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

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Deal

Hayes

Colchester

Watford

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Chichester

Romford

Ipswich

Bedford

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Top airline flying from Alaska to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£522	Average£650	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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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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Cheap flights from Alaska to London Heathrow Airport from £298

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Alaska to Heathrow

Cheapest flights from Alaska to HeathrowExplore 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 24 October 2025.

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 24 October 2025.

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 24 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

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.

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?

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 24 October 2025.

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?

What are the most popular routes from Alaska to London Heathrow Airport?

Can I find deals for flights from Alaska to Heathrow that include hotel bookings?

How can I find direct flights from Alaska to Heathrow?

Can I find deals for business class flights from Alaska to Heathrow?

What is the cheapest month to book a flight from Alaska to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top airline flying from Alaska to Heathrow

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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?

Why should you use Cheapflights to find cheap flight tickets from Alaska to Heathrow?

Can Cheapflights find flights from Alaska to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Alaska to Heathrow become cheaper?

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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 24 October 2025.