How long is the flight from Alaska to London?

There are many flights that can get you from Alaska to London in 23h 05m. Fly via Lufthansa, 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 Delta, United Airlines and British Airways. Something to consider prior to booking your flight.

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.

$353+ 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 $1,189 and $1,578 in February. The cheapest round-trip price found within the last 3 days was $823 on Lufthansa (Feb 24-Mar 9).

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Cheap 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 December 16, 2025.

Tue 12/301:30 amANC - LHR

1 stop23h 10mUnited Airlines

Thu 1/86:00 pmLHR - ANC

2 stops38h 15mUnited Airlines

Deal found 12/15

$958

Wed 12/319:00 pmANC - LHR

2 stops25h 10mMultiple Airlines

Thu 1/87:40 amLHR - ANC

2 stops24h 35mMultiple Airlines

Deal found 12/15

$959

Wed 12/319:15 pmANC - LHR

1 stop24h 50mDelta

Thu 1/82:30 pmLHR - ANC

1 stop18h 39mDelta

Deal found 12/15

$963

Tue 12/1612:30 amANC - LHR

1 stop25h 00mKLM

Wed 12/246:30 amLHR - ANC

2 stops21h 19mKLM

Deal found 12/16

$1,654

Tue 12/1612:30 amANC - LHR

2 stops21h 35mDelta

Wed 12/246:30 amLHR - ANC

2 stops21h 19mDelta

Deal found 12/16

$1,665

Wed 12/176:05 amANC - LHR

1 stop16h 00mVirgin Atlantic

Wed 12/2411:05 amLHR - ANC

1 stop16h 44mVirgin Atlantic

Deal found 12/16

$1,677

Wed 12/1711:59 pmANC - LHR

2 stops20h 56mUnited Airlines

Wed 12/246:00 pmLHR - ANC

3 stops37h 56mUnited Airlines

Deal found 12/16

$1,843

Thu 12/181:00 pmANC - LHR

2 stops36h 50mIcelandair

Wed 1/1412:15 pmLHR - ANC

2 stops19h 37mIcelandair

Deal found 12/14

$1,961

Wed 12/1711:59 pmANC - LHR

2 stops20h 56mUnited Airlines

Mon 1/53:30 pmLHR - ANC

2 stops40h 45mUnited Airlines

Deal found 12/14

$1,970

Wed 12/1712:30 amANC - LHR

2 stops21h 25mDelta

Wed 1/148:40 amLHR - ANC

2 stops19h 16mDelta

Deal found 12/15

$2,082

Wed 12/175:05 amANC - LGW

2 stops32h 30mMultiple Airlines

Wed 12/246:25 amLGW - ANC

2 stops26h 17mMultiple Airlines

Deal found 12/16

$2,943

Wed 12/318:00 amANC - LGW

2 stops17h 55mIcelandair

Thu 1/811:55 amLGW - ANC

2 stops18h 56mIcelandair

Deal found 12/15

$2,952

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 December 16, 2025.

Tue 2/249:00 amANC - LHR

2 stops23h 05mLufthansa

Mon 3/96:35 amLHR - ANC

2 stops24h 15mLufthansa

Deal found 12/15

$832

Tue 1/201:30 amFAI - LHR

1 stop24h 00mKLM

Fri 2/65:05 pmLHR - FAI

2 stops40h 17mKLM

Deal found 12/15

$872

Tue 1/201:30 amFAI - LHR

2 stops20h 35mMultiple Airlines

Fri 2/66:30 amLHR - FAI

2 stops26h 52mMultiple Airlines

Deal found 12/15

$872

Wed 1/289:00 amANC - LHR

1 stop15h 40mUnited Airlines

Wed 2/46:35 amLHR - ANC

2 stops22h 22mUnited Airlines

Deal found 12/14

$876

Tue 1/201:30 amFAI - LHR

1 stop24h 00mDelta

Tue 2/108:40 amLHR - FAI

2 stops48h 42mDelta

Deal found 12/15

$879

Sun 2/158:00 amANC - LGW

2 stops17h 55mIcelandair

Fri 2/2011:55 amLGW - ANC

2 stops18h 54mIcelandair

Deal found 12/15

$885

Fri 1/235:51 amFAI - LHR

1 stop16h 19mBritish Airways

Tue 1/279:25 amLHR - FAI

1 stop19h 05mBritish Airways

Deal found 12/13

$1,206

Mon 2/239:00 amANC - LHR

1 stop15h 40mLufthansa

Mon 3/97:55 amLHR - ANC

1 stop20h 06mLufthansa

Deal found 12/15

$849

Fri 2/131:20 amANC - LHR

1 stop24h 10mKLM

Wed 2/258:25 pmLHR - ANC

2 stops31h 32mKLM

Deal found 12/14

$877

Mon 2/239:00 amANC - LHR

3 stops27h 20mUnited Airlines

Mon 3/97:40 amLHR - ANC

2 stops23h 10mUnited Airlines

Deal found 12/13

$881

Sat 2/145:45 amANC - LHR

2 stops20h 55mMultiple Airlines

Wed 2/258:25 pmLHR - ANC

2 stops31h 32mMultiple Airlines

Deal found 12/14

$882

Tue 4/2810:00 amANC - LGW

2 stops19h 40mIcelandair

Mon 5/113:40 pmLGW - ANC

2 stops42h 48mIcelandair

Deal found 12/16

$909

Wed 1/285:55 amANC - LCY

2 stops25h 40mKLM

Wed 2/47:45 amLCY - ANC

2 stops20h 11mKLM

Deal found 12/14

$912

Mon 5/41:00 pmANC - LGW

2 stops16h 40mIcelandair

Mon 5/183:40 pmLGW - ANC

2 stops40h 54mIcelandair

Deal found 12/16

$916

Wed 1/285:05 amANC - LGW

2 stops20h 50mMultiple Airlines

Wed 2/411:55 amLGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 12/14

$927

Mon 2/167:00 amANC - LGW

2 stops18h 55mMultiple Airlines

Tue 2/2411:55 amLGW - ANC

2 stops20h 09mMultiple Airlines

Deal found 12/14

$927

Wed 4/1510:00 amANC - LGW

2 stops19h 40mIcelandair

Wed 4/293:40 pmLGW - ANC

2 stops18h 48mIcelandair

Deal found 12/14

$941

Wed 3/41:27 amFAI - LHR

1 stop24h 03mDelta

Tue 3/172:30 pmLHR - FAI

1 stop17h 59mDelta

Deal found 12/13

$1,161

Sun 3/19:00 amANC - LCY

2 stops23h 40mLufthansa

Sun 3/155:15 pmLCY - ANC

2 stops34h 46mLufthansa

Deal found 12/16

$1,075

Thu 3/51:27 amFAI - LHR

1 stop24h 03mDelta

Tue 3/172:30 pmLHR - FAI

1 stop17h 59mDelta

Deal found 12/13

$1,181

Fri 1/237:00 amJNU - LHR

1 stop20h 20mBritish Airways

Tue 1/272:55 pmLHR - JNU

1 stop16h 57mBritish Airways

Deal found 12/14

$1,306

Sat 1/318:00 amANC - LGW

2 stops17h 55mIcelandair

Mon 2/911:55 amLGW - ANC

2 stops18h 56mIcelandair

Deal found 12/14

$985

Mon 2/235:45 amANC - LCY

2 stops25h 50mKLM

Mon 3/98:05 pmLCY - ANC

2 stops30h 46mKLM

Deal found 12/13

$1,087

Mon 3/2310:00 amANC - LGW

2 stops16h 55mIcelandair

Sun 3/293:40 pmLGW - ANC

2 stops18h 48mIcelandair

Deal found 12/16

$1,004

Mon 5/48:50 pmANC - LCY

2 stops34h 40mBritish Airways

Mon 5/1811:30 amLCY - ANC

2 stops40h 05mBritish Airways

Deal found 12/16

$1,355

Wed 3/41:27 amFAI - LHR

1 stop24h 03mKLM

Tue 3/172:30 pmLHR - FAI

1 stop17h 59mKLM

Deal found 12/13

$1,161

Fri 1/238:00 amANC - LGW

2 stops17h 55mIcelandair

Tue 1/2711:55 amLGW - ANC

2 stops18h 56mIcelandair

Deal found 12/13

$1,007

Sun 3/226:15 amANC - LCY

2 stops26h 20mKLM

Sat 4/410:00 amLCY - ANC

2 stops21h 18mKLM

Deal found 12/15

$1,167

Wed 4/158:50 pmANC - LCY

2 stops39h 20mBritish Airways

Wed 4/297:15 pmLCY - ANC

2 stops56h 20mBritish Airways

Deal found 12/14

$1,442

Thu 3/51:27 amFAI - LHR

1 stop24h 03mKLM

Tue 3/172:30 pmLHR - FAI

1 stop17h 59mKLM

Deal found 12/13

$1,181

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated December 16, 2025 and is based on user searches.

Tue 12/301:30 amANC - LHR

1 stop23h 10mUnited Airlines

Thu 1/86:00 pmLHR - ANC

2 stops38h 15mUnited Airlines

Deal found 12/15

$958

Wed 12/319:00 pmANC - LHR

2 stops25h 10mMultiple Airlines

Thu 1/87:40 amLHR - ANC

2 stops24h 35mMultiple Airlines

Deal found 12/15

$959

Tue 1/201:30 amFAI - LHR

1 stop24h 00mKLM

Sun 2/85:50 pmLHR - FAI

2 stops39h 32mKLM

Deal found 12/15

$872

Tue 1/201:30 amFAI - LHR

1 stop24h 00mDelta

Sat 2/711:15 amLHR - FAI

2 stops46h 07mDelta

Deal found 12/15

$879

Tue 1/201:30 amFAI - LHR

1 stop24h 00mKLM

Sat 2/73:05 pmLHR - FAI

1 stop18h 17mKLM

Deal found 12/15

$899

Tue 1/201:30 amFAI - LHR

1 stop24h 00mDelta

Fri 2/612:20 pmLHR - FAI

1 stop21h 02mDelta

Deal found 12/15

$906

Tue 1/201:30 amFAI - LHR

2 stops23h 45mDelta

Wed 2/411:20 amLHR - FAI

2 stops22h 02mDelta

Deal found 12/15

$910

Fri 1/239:00 amANC - LHR

1 stop15h 40mUnited Airlines

Tue 1/274:40 pmLHR - ANC

2 stops39h 35mUnited Airlines

Deal found 12/14

$887

Wed 1/285:05 amANC - LHR

2 stops20h 45mIcelandair

Wed 2/412:15 pmLHR - ANC

2 stops19h 37mIcelandair

Deal found 12/14

$865

Wed 1/285:55 amANC - LCY

2 stops25h 40mKLM

Wed 2/47:45 amLCY - ANC

2 stops20h 11mKLM

Deal found 12/14

$912

Wed 1/285:05 amANC - LGW

2 stops20h 50mMultiple Airlines

Wed 2/411:55 amLGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 12/14

$927

Sat 1/319:00 amANC - LHR

2 stops26h 35mUnited Airlines

Mon 2/97:40 amLHR - ANC

2 stops21h 17mUnited Airlines

Deal found 12/14

$876

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 December 16, 2025.

Wed 2/45:05 amANC - LHR

3 stops22h 45mMultiple Airlines

Deal found 12/15

$353

Mon 2/236:00 amANC - LHR

3 stops21h 50mMultiple Airlines

Deal found 12/15

$380

Sat 2/285:00 pmANC - LHR

3 stops34h 50mMultiple Airlines

Deal found 12/15

$387

Fri 2/279:10 amANC - LHR

3 stops42h 40mMultiple Airlines

Deal found 12/15

$391

Sat 2/2812:29 amANC - LHR

2 stops27h 21mMultiple Airlines

Deal found 12/15

$412

Sun 3/15:15 amANC - STN

3 stops30h 40mMultiple Airlines

Deal found 12/15

$474

Sat 2/286:00 amANC - STN

3 stops30h 45mMultiple Airlines

Deal found 12/15

$477

Thu 2/267:00 amANC - STN

3 stops22h 55mMultiple Airlines

Deal found 12/15

$480

Sun 3/15:15 amANC - LGW

3 stops33h 05mMultiple Airlines

Deal found 12/15

$481

Wed 4/291:00 pmANC - LGW

2 stops16h 40mIcelandair

Deal found 12/15

$487

Wed 4/291:00 pmANC - LHR

2 stops22h 20mIcelandair

Deal found 12/15

$487

Tue 2/2412:29 amANC - LHR

3 stops32h 01mMultiple Airlines

Deal found 12/15

$499

Find flight deals from Alaska to London

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$823 (Cheapflightsfares)
One-way from	$353 (Kiwi.com)
Popular in	January
Cheapest in	November
Average price	$1,388

Provider with most accurate pricing for Anchorage-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Anchorage-London (LON) flights.

Search Deals

From Alaska to London (LON)

Search Deals

One-way flight from Alaska to London (LON)

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($187 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-5:05 pm

2 stops23h 05m

London Heathrow

Mon 3/9

6:35 am-10:50 pm

2 stops24h 15m

$832

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

7:55 am-8:01 pm

1 stop20h 06m

$849

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 1/20

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Fri 2/6

5:05 pm-12:22 am

2 stops40h 17m

$872

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 1/20

1:30 am-7:05 am

2 stops20h 35m

London Heathrow

Fri 2/6

6:30 am-12:22 am

2 stops26h 52m

$872

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 1/28

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Wed 2/4

6:35 am-7:57 pm

2 stops22h 22m

$876

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 2/13

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

Wed 2/25

8:25 pm-6:57 pm

2 stops31h 32m

$877

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 1/20

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Tue 2/10

8:40 am-12:22 am

2 stops48h 42m

$879

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

9:00 am-9:20 pm

3 stops27h 20m

London Heathrow

Mon 3/9

7:40 am-10:50 pm

2 stops23h 10m

$881

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 2/14

5:45 am-11:40 am

2 stops20h 55m

London Heathrow

Wed 2/25

8:25 pm-6:57 pm

2 stops31h 32m

$882

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 2/15

8:00 am-10:55 am

2 stops17h 55m

London Gatwick

Fri 2/20

11:55 am-9:49 pm

2 stops18h 54m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 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, August is the cheapest month in which you can book a flight from Alaska to London (average of $697). Flying from Alaska to London in June is currently the most expensive (average of $1,182). 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?

It’s typically best to fly out from Alaska to London at noon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

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 23h 05m. Fly via Lufthansa, 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, August is the cheapest month in which you can book a flight from Alaska to London (average of $697). Flying from Alaska to London in June is currently the most expensive (average of $1,182). 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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Southend-on-Sea

Harrow

Eastleigh

Dartford

Dover

Winchester

Croydon

Orpington

Watford

Hayes

Borehamwood

Aylesbury

Chipping Norton

Horley

Kingston upon Thames

Wembley

Folkestone

Eastbourne

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Top 3 airlines flying from Alaska to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$771	Average$1,311	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$776	Average$1,038	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$876	Average$1,300	FlexibilityNo cancel fee	On-time70%

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$353+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap 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 December 16, 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 December 16, 2025.

Find flight deals from Alaska to London

Keep the following information in mind while searching for Alaska to London flight deals. Data was last updated December 16, 2025.

Most accurate provider

Most trusted provider

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 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 December 16, 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 December 16, 2025.