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

Alaska Airlines, Delta, and United Airlines can get you from Alaska to London Heathrow Airport in just under 15h 40m. Your travel time can differ by up to 9h 30m. 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 Air Canada, with whom users have recently found tickets for as low as £268. However, be on the lookout for offers from Virgin Atlantic and American Airlines, 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 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 decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£248+ Cheap Flights from Alaska to London Heathrow Airport

Cheap flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

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Best

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One-way

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 6 October 2026.

Mon 2/1102:55 -

1 stop24h 25m

Tue 10/1114:45 -

1 stop17h 59m

Deal found 5/10£677

Sun 25/1016:01 -

1 stop36h 19m

Tue 10/1114:45 -

1 stop17h 01m

Deal found 2/10£678

Wed 4/1106:45 -

1 stop20h 35m

Wed 11/1114:45 -

2 stops27h 48m

Deal found 4/10£681

Tue 1/1201:15 -

1 stop24h 25m

Wed 9/1206:30 -

2 stops25h 58m

Deal found 2/10£682

Mon 26/1007:02 -

1 stop21h 18m

Tue 10/1114:45 -

1 stop34h 40m

Deal found 5/10£685

Thu 5/1105:47 -

1 stop21h 33m

Thu 12/1114:45 -

1 stop17h 59m

Deal found 5/10£693

Mon 16/1106:06 -

1 stop19h 34m

Mon 23/1120:25 -

2 stops35h 59m

Deal found 2/10£703

Thu 22/1011:29 -

1 stop19h 06m

Wed 28/1006:30 -

2 stops22h 11m

Deal found 5/10£706

Tue 3/1111:29 -

1 stop14h 11m

Tue 10/1106:30 -

2 stops25h 54m

Deal found 5/10£707

Find flight deals from Alaska to Heathrow

Round-trip from	£664
One-way from	£248
Popular in	June
Cheapest in	March
Average price	£697

Alaska Airlines
10/1-15/1
2 total stops
43h 02m total
Alaska to London

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United Airlines
6/2-31/12
1 total stop
26h 24m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£109 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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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

Cheapest return flight

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 6/2

20:31-07:55

1 stop26h 24m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£248

Fastest return journey

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 20/10

23:45-06:55

2 stops22h 10m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£415

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 12/10

23:45-07:15

2 stops22h 30m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£415

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 10/1

02:58-12:20

1 stop24h 22m

London Heathrow

Fri 15/1

14:45-00:25

1 stop18h 40m

£664

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 23/3

01:30-10:40

1 stop25h 10m

London Heathrow

Tue 13/4

11:45-22:36

2 stops19h 51m

£664

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 25/10

16:01-12:20

1 stop36h 19m

London Heathrow

Tue 10/11

14:45-22:46

1 stop17h 01m

£678

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 13/3

23:45-12:00

2 stops27h 15m

London Heathrow

Fri 19/3

15:00-19:15

2 stops36h 15m

£685

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 3/11

11:29-10:40

1 stop14h 11m

London Heathrow

Tue 10/11

06:30-23:24

2 stops25h 54m

£710

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 3/11

23:59-05:55

2 stops20h 56m

London Heathrow

Tue 10/11

06:35-19:39

2 stops22h 04m

£710

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 31/10

08:02-12:20

1 stop20h 18m

London Heathrow

Fri 6/11

14:45-21:45

1 stop16h 00m

£716

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 14 resultsSorted by cheapest first

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.

ANC-LHR

JNU-LHR

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

USAK-LHR

ANC-LHR

JNU-LHR

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

Currently, November is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £597). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,055). 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.

Related info for your journey

How long is the flight from Alaska to London Heathrow Airport?
Alaska Airlines, Delta, and United Airlines can get you from Alaska to London Heathrow Airport in just under 15h 40m. Your travel time can differ by up to 9h 30m. 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 Air Canada, with whom users have recently found tickets for as low as £268. However, be on the lookout for offers from Virgin Atlantic and American 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 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, November is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £597). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,055). 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.

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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 £248

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. 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 6 October 2026.

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 6 October 2026.

Best flights from Alaska to HeathrowDiscover 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 6 October 2026.

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 6 October 2026.

Last-minute flights from Alaska to HeathrowDiscover last-minute flight deals from Alaska to Heathrow. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Alaska to Heathrow. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Alaska to HeathrowSearch for one-way flight options from Alaska to Heathrow. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Alaska to Heathrow. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

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Best time to book a flight from Alaska to Heathrow

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

Related info for your journey

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?

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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 6 October 2026.

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 6 October 2026.

Last-minute flights from Alaska to Heathrow
Discover last-minute flight deals from Alaska to Heathrow. Data last updated 6 October 2026 and is based on user searches.

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 6 October 2026.