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

KLM, United Airlines, and Delta can get you from Alaska to London Heathrow Airport in just under 24h 41m. Your travel time can differ by up to 2h 14m. 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 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.

£261+ 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 £764 and £1,208 in December. The cheapest return flight price found within the last 3 days was £468 on United Airlines (2 Dec-11 Dec).

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 19 November 2025.

Tue 2/1223:59ANC - LHR

2 stops22h 11mUnited Airlines

Thu 11/1206:35LHR - ANC

2 stops25h 21mUnited Airlines

Deal found 17/11£468

Sun 30/1100:30ANC - LHR

1 stop25h 00mKLM

Thu 11/1206:30LHR - ANC

2 stops19h 04mKLM

Deal found 17/11£470

Sun 30/1117:37ANC - LHR

2 stops27h 48mDelta

Thu 11/1206:30LHR - ANC

2 stops27h 27mDelta

Deal found 17/11£473

Mon 29/1205:45ANC - LHR

1 stop19h 45mKLM

Tue 13/112:20LHR - ANC

1 stop17h 24mKLM

Deal found 17/11£484

Mon 29/1221:00ANC - LHR

1 stop23h 55mUnited Airlines

Fri 9/111:10LHR - ANC

2 stops41h 47mUnited Airlines

Deal found 17/11£486

Sun 30/1100:30ANC - LHR

1 stop25h 00mMultiple Airlines

Thu 11/1211:05LHR - ANC

1 stop16h 59mMultiple Airlines

Deal found 17/11£490

Sat 29/1111:22ANC - LHR

1 stop14h 08mDelta

Thu 11/1208:40LHR - ANC

2 stops19h 24mDelta

Deal found 17/11£508

Mon 29/1221:00ANC - LHR

1 stop23h 55mUnited Airlines

Mon 12/111:10LHR - ANC

2 stops41h 47mUnited Airlines

Deal found 17/11£524

Wed 31/1201:50FAI - LHR

2 stops26h 55mDelta

Thu 8/114:45LHR - FAI

1 stop18h 40mDelta

Deal found 17/11£823

Wed 31/1201:50FAI - LHR

1 stop23h 40mKLM

Thu 8/114:45LHR - FAI

1 stop18h 40mKLM

Deal found 17/11£879

Sun 30/1110:57SIT - LHR

2 stops38h 53mIcelandair

Sat 6/1212:15LHR - SIT

2 stops39h 15mIcelandair

Deal found 18/11£1,037

Sun 30/1110:57SIT - LHR

3 stops38h 53mMultiple Airlines

Sat 6/1212:15LHR - SIT

3 stops39h 15mMultiple Airlines

Deal found 18/11£1,098

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 19 November 2025.

Sun 30/1100:30ANC - LHR

1 stop25h 00mKLM

Thu 11/1206:30LHR - ANC

2 stops19h 04mKLM

Deal found 17/11£470

Mon 29/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Tue 13/107:25LHR - ANC

2 stops24h 50mUnited Airlines

Deal found 17/11£484

Fri 5/1206:05ANC - LHR

1 stop16h 00mVirgin Atlantic

Tue 9/1206:30LHR - ANC

2 stops21h 34mVirgin Atlantic

Deal found 17/11£508

Thu 4/1200:30ANC - LHR

2 stops21h 20mDelta

Tue 9/1206:30LHR - ANC

2 stops19h 04mDelta

Deal found 17/11£511

Thu 26/214:26JNU - LHR

1 stop12h 54mBritish Airways

Mon 2/314:55LHR - JNU

1 stop16h 43mBritish Airways

Deal found 16/11£877

Thu 26/207:13JNU - LHR

2 stops20h 07mAmerican Airlines

Mon 2/314:55LHR - JNU

1 stop16h 43mAmerican Airlines

Deal found 16/11£877

Wed 3/1205:55ANC - LHR

1 stop19h 35mKLM

Thu 11/1206:30LHR - ANC

2 stops19h 04mKLM

Deal found 17/11£470

Sat 10/123:45ANC - LHR

1 stop24h 55mUnited Airlines

Sat 31/106:35LHR - ANC

2 stops25h 40mUnited Airlines

Deal found 17/11£512

Sat 29/1106:00ANC - LHR

2 stops21h 05mDelta

Thu 11/1208:40LHR - ANC

2 stops19h 24mDelta

Deal found 17/11£515

Sun 30/1110:57SIT - LHR

2 stops38h 53mIcelandair

Sat 6/1212:15LHR - SIT

2 stops39h 15mIcelandair

Deal found 18/11£1,037

Sun 30/1110:57SIT - LHR

3 stops38h 53mMultiple Airlines

Sat 6/1212:15LHR - SIT

3 stops39h 15mMultiple Airlines

Deal found 18/11£1,098

Sat 29/1106:00ANC - LHR

1 stop19h 30mKLM

Thu 11/1206:30LHR - ANC

2 stops19h 04mKLM

Deal found 17/11£508

Mon 23/201:20ANC - LHR

2 stops20h 35mDelta

Mon 9/306:30LHR - ANC

2 stops22h 00mDelta

Deal found 16/11£517

Mon 23/201:20ANC - LHR

1 stop24h 10mKLM

Mon 9/306:30LHR - ANC

2 stops22h 00mKLM

Deal found 17/11£513

Wed 31/1201:50FAI - LHR

2 stops26h 55mDelta

Thu 8/114:45LHR - FAI

1 stop18h 40mDelta

Deal found 17/11£823

Thu 16/401:30FAI - LHR

1 stop22h 30mDelta

Tue 21/406:30LHR - FAI

2 stops26h 36mDelta

Deal found 16/11£852

Wed 31/1201:50FAI - LHR

1 stop23h 40mKLM

Thu 8/114:45LHR - FAI

1 stop18h 40mKLM

Deal found 17/11£879

Last-minute flights from Alaska to Heathrow
Discover last-minute flight deals from Alaska to Heathrow. Data last updated 19 November 2025 and is based on user searches.

Sat 29/1111:22ANC - LHR

1 stop14h 08mDelta

Thu 11/1208:40LHR - ANC

2 stops19h 24mDelta

Deal found 17/11£508

Sun 30/1100:30ANC - LHR

1 stop25h 00mKLM

Thu 11/1206:30LHR - ANC

2 stops19h 04mKLM

Deal found 17/11£470

Sun 30/1117:37ANC - LHR

2 stops27h 48mDelta

Thu 11/1206:30LHR - ANC

2 stops27h 27mDelta

Deal found 17/11£473

Sun 30/1100:30ANC - LHR

1 stop25h 00mMultiple Airlines

Thu 11/1211:05LHR - ANC

1 stop16h 59mMultiple Airlines

Deal found 17/11£490

Sun 30/1110:57SIT - LHR

2 stops38h 53mIcelandair

Sat 6/1212:15LHR - SIT

2 stops39h 15mIcelandair

Deal found 18/11£1,037

Sun 30/1110:57SIT - LHR

3 stops38h 53mMultiple Airlines

Sat 6/1212:15LHR - SIT

3 stops39h 15mMultiple Airlines

Deal found 18/11£1,098

Tue 2/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Thu 11/1206:35LHR - ANC

2 stops25h 21mUnited Airlines

Deal found 17/11£468

Mon 29/1221:00ANC - LHR

1 stop23h 55mUnited Airlines

Tue 13/111:35LHR - ANC

1 stop20h 40mUnited Airlines

Deal found 17/11£484

Mon 29/1221:00ANC - LHR

1 stop23h 55mUnited Airlines

Fri 9/111:10LHR - ANC

2 stops41h 47mUnited Airlines

Deal found 17/11£486

Mon 29/1221:00ANC - LHR

1 stop23h 55mUnited Airlines

Mon 12/111:10LHR - ANC

2 stops41h 47mUnited Airlines

Deal found 17/11£524

Wed 31/1201:50FAI - LHR

2 stops26h 55mDelta

Thu 8/114:45LHR - FAI

1 stop18h 40mDelta

Deal found 17/11£823

Wed 31/1201:50FAI - LHR

1 stop23h 40mKLM

Thu 8/114:45LHR - FAI

1 stop18h 40mKLM

Deal found 17/11£879

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 19 November 2025.

Sat 17/105:05ANC - LHR

3 stops22h 45mMultiple Airlines

Deal found 16/11£261

Tue 20/106:00ANC - LHR

3 stops21h 50mMultiple Airlines

Deal found 16/11£264

Tue 13/106:00ANC - LHR

3 stops21h 50mMultiple Airlines

Deal found 18/11£265

Sat 24/112:15ANC - LHR

3 stops39h 35mMultiple Airlines

Deal found 16/11£267

Tue 20/101:10ANC - LHR

2 stops26h 40mMultiple Airlines

Deal found 16/11£284

Sun 18/106:00ANC - LHR

3 stops21h 50mMultiple Airlines

Deal found 16/11£290

Wed 21/105:55ANC - LHR

1 stop19h 35mVirgin Atlantic

Deal found 16/11£294

Tue 9/1223:59ANC - LHR

2 stops21h 41mCopa Airlines

Deal found 17/11£300

Sun 18/109:00ANC - LHR

2 stops27h 20mUnited Airlines

Deal found 16/11£301

Tue 9/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Deal found 17/11£302

Cheap flight deals from Alaska to Heathrow

Round-trip from	£468
One-way from	£261
Popular in	January
Cheapest in	November
Average price	£649

United Airlines
2/12-11/12
3 total stops
50h 02m total
Alaska to London

Search Deals

17/1
3 total stops
22h 45m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£100 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

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

Sun 30/11

00:30-10:30

1 stop25h 00m

London Heathrow

Thu 11/12

06:30-16:34

2 stops19h 04m

£470

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 3/12

05:55-10:30

1 stop19h 35m

London Heathrow

Thu 11/12

06:30-16:34

2 stops19h 04m

£470

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 29/12

23:59-09:40

1 stop24h 41m

London Heathrow

Tue 13/1

07:25-23:15

2 stops24h 50m

£484

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 5/12

06:05-07:05

1 stop16h 00m

London Heathrow

Tue 9/12

06:30-19:04

2 stops21h 34m

£508

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 29/11

06:00-10:30

1 stop19h 30m

London Heathrow

Thu 11/12

06:30-16:34

2 stops19h 04m

£508

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 4/12

00:30-06:50

2 stops21h 20m

London Heathrow

Tue 9/12

06:30-16:34

2 stops19h 04m

£511

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

23:45-09:40

1 stop24h 55m

London Heathrow

Sat 31/1

06:35-23:15

2 stops25h 40m

£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

Sat 29/11

06:00-12:05

2 stops21h 05m

London Heathrow

Thu 11/12

08:40-19:04

2 stops19h 24m

£515

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-06:55

2 stops20h 35m

London Heathrow

Mon 9/3

06:30-20:30

2 stops22h 00m

£517

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 26 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 £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?

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?
KLM, United Airlines, and Delta can get you from Alaska to London Heathrow Airport in just under 24h 41m. Your travel time can differ by up to 2h 14m. 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 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

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Colchester

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Brentford

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Chichester

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Top airline flying from Alaska to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£529	Average£659	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 £261

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 17/1. 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 19 November 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 19 November 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 19 November 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 19 November 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 19 November 2025.