How long is the flight from Alaska to London?

There are many flights that can get you from Alaska to London in 18h 40m. Fly via Virgin Atlantic, KLM, or Delta to get the fastest option. There are 4471 mi between Alaska and London. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from Alaska to London?

When deciding which route to take from Alaska to London consider Anchorage - London Heathrow, Anchorage - London Gatwick or Anchorage - London City as they are the most popular.

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

The most popular airlines flying from Alaska to London are British Airways, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest month to fly from Alaska to London?

October can be a great time to fly to London from Alaska with a flight ticket averaging about $1,151. Cheapflights users have found deals in the month of October for as cheap as $793. The most expensive prices can be found in the month of January.

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

Yes. In addition to deals on Alaska to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Alaska to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to London.

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

Yes. Cheapflights offers flight deals from Alaska to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$382+ Cheap Flights from Alaska to London

Q: How much does it cost to fly round-trip from Alaska to London?

Airfare is below average for this route at the moment. Alaska to London flights typically cost between $905 and $1,233 in October. The cheapest round-trip price found within the last 3 days was $597 on Virgin Atlantic (Oct 28-Nov 4).

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Cheap flight deals from Alaska to London

Round-trip from	$597 (lastminute.com)
One-way from	$382 (Kiwi.com)
Popular in	January
Cheapest in	October
Average price	$986

From Alaska to London (LON)

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One-way flight from Alaska to London (LON)

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Highest demand for flights based on searches. 12% potential increase in price ($158 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Alaska to London

Cheapest flights from Alaska to London
Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Tue 10/286:05 amANC - LHR

2 stops18h 40mVirgin Atlantic

Tue 11/412:40 pmLHR - ANC

2 stops21h 11mVirgin Atlantic

Deal found 9/13

$597

Tue 10/286:05 amANC - LHR

1 stop17h 00mKLM

Tue 11/411:05 amLHR - ANC

1 stop16h 26mKLM

Deal found 9/13

$608

Tue 10/289:07 pmANC - LHR

1 stop24h 48mUnited Airlines

Tue 11/46:35 amLHR - ANC

2 stops22h 24mUnited Airlines

Deal found 9/13

$615

Wed 10/296:00 amANC - LHR

1 stop20h 30mKLM

Wed 11/56:30 amLHR - ANC

2 stops18h 52mKLM

Deal found 9/14

$616

Wed 11/126:00 amANC - LHR

1 stop19h 30mDelta

Fri 11/216:20 amLHR - ANC

2 stops21h 26mDelta

Deal found 9/14

$621

Tue 11/1112:30 amANC - LHR

1 stop25h 00mKLM

Fri 11/218:40 amLHR - ANC

2 stops19h 06mKLM

Deal found 9/14

$623

Mon 10/131:45 amFAI - LHR

1 stop24h 35mDelta

Tue 10/219:55 amLHR - FAI

2 stops23h 45mDelta

Deal found 9/14

$624

Mon 10/279:07 pmANC - LHR

1 stop24h 48mUnited Airlines

Mon 11/101:50 pmLHR - ANC

2 stops39h 09mUnited Airlines

Deal found 9/15

$624

Mon 10/2712:30 amANC - LHR

2 stops22h 35mDelta

Tue 11/46:20 amLHR - ANC

2 stops19h 02mDelta

Deal found 9/13

$626

Wed 10/296:00 amANC - LHR

2 stops19h 00mDelta

Wed 11/56:30 amLHR - ANC

2 stops21h 01mDelta

Deal found 9/14

$627

Fri 11/79:07 pmANC - LHR

2 stops48h 23mAir Canada

Fri 11/216:00 pmLHR - ANC

2 stops34h 59mAir Canada

Deal found 9/13

$631

Mon 10/271:45 amFAI - LHR

2 stops24h 30mDelta

Tue 11/48:55 amLHR - FAI

2 stops24h 45mDelta

Deal found 9/12

$635

Best flights from Alaska to London
Discover carefully curated flight deals from Alaska to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Tue 10/286:05 amANC - LHR

2 stops18h 40mVirgin Atlantic

Tue 11/412:40 pmLHR - ANC

2 stops21h 11mVirgin Atlantic

Deal found 9/13

$597

Mon 10/271:45 amFAI - LHR

1 stop24h 45mKLM

Tue 11/48:25 pmLHR - FAI

2 stops37h 15mKLM

Deal found 9/12

$624

Mon 10/131:45 amFAI - LHR

1 stop24h 35mDelta

Tue 10/219:55 amLHR - FAI

2 stops23h 45mDelta

Deal found 9/14

$624

Mon 10/2711:59 pmANC - LHR

2 stops23h 11mUnited Airlines

Mon 11/101:50 pmLHR - ANC

2 stops39h 09mUnited Airlines

Deal found 9/14

$624

Tue 10/285:05 amANC - LGW

2 stops21h 50mMultiple Airlines

Tue 11/411:55 amLGW - ANC

2 stops21h 54mMultiple Airlines

Deal found 9/13

$825

Wed 11/128:00 amANC - LGW

2 stops17h 55mIcelandair

Fri 11/2111:55 amLGW - ANC

2 stops19h 02mIcelandair

Deal found 9/14

$955

Wed 10/296:55 amJNU - LHR

2 stops20h 40mAmerican Airlines

Sun 11/212:10 pmLHR - JNU

2 stops29h 36mAmerican Airlines

Deal found 9/12

$1,166

Mon 10/2712:30 amANC - LHR

2 stops22h 35mDelta

Tue 11/46:20 amLHR - ANC

2 stops19h 02mDelta

Deal found 9/13

$626

Tue 10/286:05 amANC - LHR

1 stop17h 00mKLM

Tue 11/411:05 amLHR - ANC

1 stop16h 26mKLM

Deal found 9/13

$629

Wed 11/126:00 amANC - LHR

2 stops18h 20mDelta

Fri 11/216:20 amLHR - ANC

2 stops21h 26mDelta

Deal found 9/14

$626

Wed 10/296:00 amANC - LHR

1 stop20h 30mKLM

Wed 11/511:05 amLHR - ANC

1 stop16h 26mKLM

Deal found 9/13

$629

Wed 10/296:00 amANC - LHR

2 stops19h 00mDelta

Wed 11/56:30 amLHR - ANC

2 stops21h 01mDelta

Deal found 9/14

$627

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated September 15, 2025 and is based on user searches.

Mon 10/131:45 amFAI - LHR

1 stop24h 35mDelta

Tue 10/219:55 amLHR - FAI

2 stops23h 45mDelta

Deal found 9/14

$624

Mon 10/209:04 pmANC - LHR

1 stop24h 16mUnited Airlines

Mon 10/2710:30 amLHR - ANC

2 stops44h 26mUnited Airlines

Deal found 9/14

$656

Sun 10/269:07 pmANC - LHR

1 stop24h 48mUnited Airlines

Sat 11/86:35 amLHR - ANC

2 stops25h 21mUnited Airlines

Deal found 9/12

$664

Mon 10/279:07 pmANC - LHR

1 stop24h 48mUnited Airlines

Mon 11/101:50 pmLHR - ANC

2 stops39h 09mUnited Airlines

Deal found 9/15

$624

Mon 10/2712:30 amANC - LHR

2 stops21h 55mDelta

Tue 11/46:20 amLHR - ANC

2 stops21h 11mDelta

Deal found 9/13

$626

Mon 10/271:45 amFAI - LHR

2 stops24h 30mDelta

Tue 11/48:55 amLHR - FAI

2 stops24h 45mDelta

Deal found 9/12

$635

Tue 10/286:05 amANC - LHR

2 stops18h 40mVirgin Atlantic

Tue 11/412:40 pmLHR - ANC

2 stops21h 11mVirgin Atlantic

Deal found 9/13

$597

Tue 10/286:05 amANC - LHR

1 stop17h 00mKLM

Tue 11/411:05 amLHR - ANC

1 stop16h 26mKLM

Deal found 9/13

$608

Tue 10/289:07 pmANC - LHR

1 stop24h 48mUnited Airlines

Tue 11/46:35 amLHR - ANC

2 stops22h 24mUnited Airlines

Deal found 9/13

$615

Tue 10/286:05 amANC - LCY

2 stops18h 05mKLM

Tue 11/48:40 amLCY - ANC

2 stops18h 51mKLM

Deal found 9/13

$664

Wed 10/296:00 amANC - LHR

1 stop20h 30mKLM

Wed 11/56:30 amLHR - ANC

2 stops18h 52mKLM

Deal found 9/14

$616

Wed 10/296:00 amANC - LHR

2 stops19h 00mDelta

Wed 11/56:30 amLHR - ANC

2 stops21h 01mDelta

Deal found 9/14

$627

One-way flights from Alaska to London
Search for one-way flight options from Alaska to London. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Mon 10/2712:12 amANC - LHR

2 stops33h 18mMultiple Airlines

Deal found 9/15

$382

Mon 10/202:08 pmJNU - LHR

3 stops42h 37mMultiple Airlines

Deal found 9/13

$383

Sat 10/1812:24 amANC - LHR

2 stops32h 21mMultiple Airlines

Deal found 9/14

$383

Mon 10/2712:12 amANC - LGW

2 stops49h 38mMultiple Airlines

Deal found 9/15

$390

Tue 10/2810:00 amANC - STN

3 stops37h 50mMultiple Airlines

Deal found 9/15

$417

Tue 10/71:47 amANC - LGW

2 stops24h 08mMultiple Airlines

Deal found 9/15

$434

Sun 10/198:00 amANC - LHR

1 stop20h 40mAmerican Airlines

Deal found 9/14

$447

Sat 9/274:45 pmANC - LHR

2 stops31h 50mAir Canada

Deal found 9/14

$453

Tue 10/289:07 pmANC - LHR

2 stops26h 03mAir Canada

Deal found 9/15

$455

Wed 10/85:00 amANC - LHR

2 stops22h 05mMultiple Airlines

Deal found 9/13

$456

Tue 9/2311:59 pmANC - LHR

2 stops21h 46mUnited Airlines

Deal found 9/15

$457

Fri 9/269:04 pmANC - LHR

2 stops48h 31mAir Canada

Deal found 9/15

$464

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 10/28

6:05 am-8:45 am

2 stops18h 40m

London Heathrow

Tue 11/4

12:40 pm-12:51 am

2 stops21h 11m

$597

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 10/27

1:45 am-10:30 am

1 stop24h 45m

London Heathrow

Tue 11/4

8:25 pm-12:40 am

2 stops37h 15m

$624

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 10/13

1:45 am-11:20 am

1 stop24h 35m

London Heathrow

Tue 10/21

9:55 am-12:40 am

2 stops23h 45m

$624

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/27

11:59 pm-7:10 am

2 stops23h 11m

London Heathrow

Mon 11/10

1:50 pm-7:59 pm

2 stops39h 09m

$624

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 10/27

12:30 am-7:05 am

2 stops22h 35m

London Heathrow

Tue 11/4

6:20 am-4:22 pm

2 stops19h 02m

$626

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/12

6:00 am-9:20 am

2 stops18h 20m

London Heathrow

Fri 11/21

6:20 am-6:46 pm

2 stops21h 26m

$626

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/29

6:00 am-9:00 am

2 stops19h 00m

London Heathrow

Wed 11/5

6:30 am-6:31 pm

2 stops21h 01m

$627

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 10/28

6:05 am-7:05 am

1 stop17h 00m

London Heathrow

Tue 11/4

11:05 am-6:31 pm

1 stop16h 26m

$629

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/29

6:00 am-10:30 am

1 stop20h 30m

London Heathrow

Wed 11/5

11:05 am-6:31 pm

1 stop16h 26m

$629

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 10/27

1:45 am-10:15 am

2 stops24h 30m

London Heathrow

Tue 11/4

8:55 am-12:40 am

2 stops24h 45m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 58 results

...

Best time to book a flight from Alaska to London

Have a flexible travel schedule? Discover the best time to fly to London from Alaska with our price prediction graph.

Estimated round-trip 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

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

Currently, November is the cheapest month in which you can book a flight from Alaska to London (average of $661). Flying from Alaska to London in June is currently the most expensive (average of $1,097). 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 LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alaska to London as you normally would.

How much does it cost to fly round-trip from Alaska to London?

Related info for your journey

How long is the flight from Alaska to London?
There are many flights that can get you from Alaska to London in 18h 40m. Fly via Virgin Atlantic, KLM, or Delta to get the fastest option. There are 4471 mi between Alaska and London. This flight may include one or multiple stops.
What are the most popular routes from Alaska to London?
When deciding which route to take from Alaska to London consider Anchorage - London Heathrow, Anchorage - London Gatwick or Anchorage - London City as they are the most popular.
Can I find deals for flights from Alaska to London that include hotel bookings?
Yes. In addition to deals on Alaska to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Alaska to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to London.
Can I find deals for business class flights from Alaska to London?
Yes. Cheapflights offers flight deals from Alaska to London 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?
Currently, November is the cheapest month in which you can book a flight from Alaska to London (average of $661). Flying from Alaska to London in June is currently the most expensive (average of $1,097). 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

Hounslow

Hayes

Southend-on-Sea

Harrow

Canterbury

Croydon

Eastleigh

Dartford

Dover

Winchester

Orpington

Gatwick

Borehamwood

Aylesbury

Bedford

Wembley

Folkestone

Chichester

Eastbourne

Sutton

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Top 3 airlines flying from Alaska to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$689	Average$1,311	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$776	Average$1,411	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$876	Average$1,300	FlexibilityNo cancel fee	On-time70%

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$382+ Cheap flights from Alaska to London (LON)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Alaska to London with Cheapflights

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Cheap flight deals from Alaska to London

Keep the following information in mind while searching for Alaska to London flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to London

Cheapest flights from Alaska to LondonExplore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Alaska to London

Have a flexible travel schedule? Discover the best time to fly to London from Alaska with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Alaska to London

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

What is the cheapest time of day to fly from AK to LON?

Find hourly flight availability from Alaska to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

How much does it cost to fly round-trip from Alaska to London?

Related info for your journey

Find useful and relevant information for your journey from Alaska to London. 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?

What are the most popular routes from Alaska to London?

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

How can I find direct flights from Alaska to London?

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

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

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Alternative routes for Alaska to London

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Top 3 airlines flying from Alaska to London

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Cheapest flights from Alaska to London
Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.