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

Lufthansa, KLM, and British Airways can get you from Alaska to London Heathrow Airport in just under 16h 15m. Your travel time can differ by up to 4h 30m. Airlines will cover a distance of 4213 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 £205. 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.

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 Fairbanks - London Heathrow or Juneau Intl - 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.

£352+ 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 £778 and £1,919 in January. The cheapest return flight price found within the last 3 days was £542 on Multiple Airlines (25 Jan-1 Feb).

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 12 December 2025.

Tue 30/1221:00ANC - LHR

2 stops25h 10mMultiple Airlines

Wed 7/107:40LHR - ANC

2 stops48h 35mMultiple Airlines

Deal found 10/12£799

Tue 30/1221:00ANC - LHR

1 stop25h 55mUnited Airlines

Wed 7/113:25LHR - ANC

2 stops39h 32mUnited Airlines

Deal found 10/12£810

Tue 30/1206:00ANC - LHR

1 stop16h 05mKLM

Wed 7/112:20LHR - ANC

1 stop20h 49mKLM

Deal found 10/12£1,063

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Tue 16/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Mon 22/1213:50LHR - ANC

2 stops43h 35mUnited Airlines

Deal found 11/12£1,300

Thu 18/1223:59ANC - LHR

2 stops24h 11mUnited Airlines

Wed 14/111:10LHR - ANC

2 stops45h 05mUnited Airlines

Deal found 10/12£1,397

Fri 26/1215:48FAI - LHR

1 stop30h 22mMultiple Airlines

Thu 1/111:45LHR - FAI

2 stops21h 50mMultiple Airlines

Deal found 10/12£8,195

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 12 December 2025.

Sat 10/108:00ANC - LHR

2 stops17h 50mMultiple Airlines

Fri 23/112:15LHR - ANC

2 stops19h 37mMultiple Airlines

Deal found 11/12£563

Tue 24/209:00ANC - LHR

2 stops20h 45mLufthansa

Mon 9/307:40LHR - ANC

2 stops23h 10mLufthansa

Deal found 9/12£628

Sun 11/105:55ANC - LHR

1 stop19h 35mKLM

Sun 18/106:30LHR - ANC

2 stops26h 39mKLM

Deal found 11/12£630

Sat 10/101:20ANC - LHR

2 stops20h 00mDelta

Sun 18/106:30LHR - ANC

2 stops23h 14mDelta

Deal found 11/12£633

Sat 24/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Sat 31/106:35LHR - ANC

2 stops25h 40mUnited Airlines

Deal found 10/12£648

Fri 23/111:05FAI - LHR

1 stop16h 15mBritish Airways

Tue 27/109:25LHR - FAI

1 stop19h 05mBritish Airways

Deal found 9/12£900

Sat 10/120:22ANC - LHR

1 stop26h 28mKLM

Fri 23/108:40LHR - ANC

2 stops19h 16mKLM

Deal found 10/12£630

Mon 23/209:00ANC - LHR

1 stop15h 40mLufthansa

Mon 9/307:40LHR - ANC

2 stops23h 10mLufthansa

Deal found 9/12£647

Fri 23/101:30FAI - LHR

2 stops20h 20mMultiple Airlines

Sat 31/106:30LHR - FAI

2 stops26h 52mMultiple Airlines

Deal found 9/12£659

Fri 23/101:30FAI - LHR

1 stop24h 00mKLM

Sat 31/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 9/12£656

Fri 23/107:00JNU - LHR

1 stop15h 10mBritish Airways

Tue 27/114:55LHR - JNU

1 stop16h 57mBritish Airways

Deal found 9/12£975

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Fri 26/1205:00FAI - LHR

2 stops17h 10mMultiple Airlines

Thu 1/111:40LHR - FAI

2 stops24h 10mMultiple Airlines

Deal found 10/12£11,854

Last-minute flights from Alaska to Heathrow
Discover last-minute flight deals from Alaska to Heathrow. Data last updated 12 December 2025 and is based on user searches.

Wed 17/1223:59ANC - LHR

2 stops22h 56mUnited Airlines

Mon 5/116:00LHR - ANC

2 stops36h 57mUnited Airlines

Deal found 10/12£1,635

Thu 18/1223:59ANC - LHR

2 stops24h 11mUnited Airlines

Wed 14/111:10LHR - ANC

2 stops45h 05mUnited Airlines

Deal found 10/12£1,397

Thu 18/1221:00ANC - LHR

2 stops29h 20mMultiple Airlines

Thu 25/1206:35LHR - ANC

2 stops25h 21mMultiple Airlines

Deal found 11/12£1,429

Thu 18/1223:59ANC - LHR

2 stops23h 26mUnited Airlines

Tue 30/1206:35LHR - ANC

2 stops26h 50mUnited Airlines

Deal found 11/12£1,504

Thu 18/1205:55ANC - LHR

1 stop21h 55mDelta

Wed 14/111:05LHR - ANC

1 stop22h 43mDelta

Deal found 10/12£1,571

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Fri 26/1215:48FAI - LHR

1 stop30h 22mMultiple Airlines

Thu 1/111:45LHR - FAI

2 stops21h 50mMultiple Airlines

Deal found 10/12£8,195

Fri 23/101:30FAI - LHR

1 stop24h 00mKLM

Sat 31/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 9/12£656

Fri 23/101:30FAI - LHR

2 stops20h 20mMultiple Airlines

Sat 31/106:30LHR - FAI

2 stops26h 52mMultiple Airlines

Deal found 9/12£659

Fri 23/111:05FAI - LHR

1 stop16h 15mBritish Airways

Tue 27/109:25LHR - FAI

1 stop19h 05mBritish Airways

Deal found 9/12£900

Fri 23/107:00JNU - LHR

1 stop15h 10mBritish Airways

Tue 27/114:55LHR - JNU

1 stop16h 57mBritish Airways

Deal found 9/12£975

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 12 December 2025.

Fri 20/317:00ANC - LHR

3 stops44h 35mMultiple Airlines

Deal found 10/12£352

Wed 29/406:00ANC - LHR

2 stops22h 10mDelta

Deal found 10/12£385

Fri 20/321:10ANC - LHR

2 stops49h 20mAir Canada

Deal found 10/12£401

Fri 20/320:13ANC - LHR

1 stop26h 37mBritish Airways

Deal found 10/12£404

Thu 19/301:34ANC - LHR

2 stops22h 16mDelta

Deal found 10/12£423

Fri 20/323:52ANC - LHR

2 stops23h 18mUnited Airlines

Deal found 10/12£426

Fri 20/301:15ANC - LHR

3 stops53h 10mMultiple Airlines

Deal found 10/12£756

Fri 19/1207:05ANC - LHR

3 stops44h 45mMultiple Airlines

Deal found 11/12£1,158

Find flight deals from Alaska to Heathrow

Round-trip from	£542
One-way from	£352
Popular in	January
Cheapest in	November
Average price	£1,037

25/1-1/2
4 total stops
41h 22m total
Alaska to London

Search Deals

20/3
3 total stops
44h 35m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£104 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

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

Sat 10/1

08:00-10:50

2 stops17h 50m

London Heathrow

Fri 23/1

12:15-22:52

2 stops19h 37m

£563

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-14:45

2 stops20h 45m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£628

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 11/1

05:55-10:30

1 stop19h 35m

London Heathrow

Sun 18/1

06:30-00:09

2 stops26h 39m

£630

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

20:22-07:50

1 stop26h 28m

London Heathrow

Fri 23/1

08:40-18:56

2 stops19h 16m

£630

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

01:20-06:20

2 stops20h 00m

London Heathrow

Sun 18/1

06:30-20:44

2 stops23h 14m

£633

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£647

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 24/1

09:00-09:40

1 stop15h 40m

London Heathrow

Sat 31/1

06:35-23:15

2 stops25h 40m

£648

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 23/1

01:30-10:30

1 stop24h 00m

London Heathrow

Sat 31/1

06:30-00:22

2 stops26h 52m

£656

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 23/1

01:30-06:50

2 stops20h 20m

London Heathrow

Sat 31/1

06:30-00:22

2 stops26h 52m

£659

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 23/1

11:05-12:20

1 stop16h 15m

London Heathrow

Tue 27/1

09:25-19:30

1 stop19h 05m

£900

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 23 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 £521). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £883). 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?
Lufthansa, KLM, and British Airways can get you from Alaska to London Heathrow Airport in just under 16h 15m. Your travel time can differ by up to 4h 30m. Airlines will cover a distance of 4213 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 £205. 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 £521). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £883). 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

Milton Keynes

Croydon

Slough

Northampton

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Watford

Hayes

Crawley

Winchester

Swindon

Deal

Bedford

Romford

Chichester

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Alaska to London Heathrow Airport from £352

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 12 December 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 12 December 2025.

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 12 December 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 12 December 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 cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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?

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?

100% Free

Book with Flexibility

Travel Smart

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 12 December 2025.