How long is the flight from Alaska to London?

There are many flights that can get you from Alaska to London in 17h. Fly via Delta, KLM, or Icelandair to get the fastest option. There are 4475 mi between Alaska and London. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Alaska to London one-way?

The cheapest airlines for a one-way flight from Alaska to London are United Airlines ($397), American Airlines ($417), and Air France ($555).

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 Virgin Atlantic, British Airways and JetBlue. 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.

$397+ 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 $848 and $1,091 in November. The cheapest round-trip price found within the last 3 days was $591 on KLM (Nov 26-Dec 3).

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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 October 30, 2025.

Sun 11/25:20 pmANC - LHR

2 stops28h 45mDelta

Tue 11/186:20 amLHR - ANC

2 stops25h 29mDelta

Deal found 10/28

$584

Tue 11/46:05 amANC - LHR

1 stop16h 00mMultiple Airlines

Tue 11/256:20 amLHR - ANC

2 stops19h 22mMultiple Airlines

Deal found 10/28

$590

Mon 11/312:30 amANC - LHR

1 stop25h 00mKLM

Tue 11/256:30 amLHR - ANC

2 stops19h 12mKLM

Deal found 10/28

$591

Tue 10/2812:30 amANC - LHR

2 stops22h 35mDelta

Wed 11/56:20 amLHR - ANC

2 stops21h 11mDelta

Deal found 10/28

$594

Mon 11/312:30 amANC - LHR

2 stops20h 55mDelta

Tue 11/256:20 amLHR - ANC

2 stops19h 22mDelta

Deal found 10/28

$595

Tue 11/2512:30 amANC - LHR

2 stops21h 35mDelta

Wed 12/38:40 amLHR - ANC

2 stops19h 24mDelta

Deal found 10/28

$596

Sun 11/211:59 pmANC - LHR

1 stop24h 41mUnited Airlines

Tue 11/186:35 amLHR - ANC

2 stops22h 24mUnited Airlines

Deal found 10/30

$609

Mon 11/311:59 pmANC - LHR

1 stop24h 41mUnited Airlines

Mon 11/244:40 pmLHR - ANC

2 stops36h 19mUnited Airlines

Deal found 10/28

$627

Tue 12/96:05 amANC - LCY

2 stops17h 05mKLM

Tue 12/168:40 amLCY - ANC

2 stops19h 24mKLM

Deal found 10/30

$763

Wed 11/57:13 amJNU - LHR

3 stops24h 52mMultiple Airlines

Wed 11/127:40 amLHR - JNU

3 stops22h 54mMultiple Airlines

Deal found 10/30

$845

Wed 11/2611:59 pmANC - LCY

2 stops31h 41mMultiple Airlines

Wed 12/37:10 pmLCY - ANC

3 stops36h 46mMultiple Airlines

Deal found 10/28

$879

Wed 11/266:05 amANC - LCY

2 stops18h 25mKLM

Wed 12/38:40 amLCY - ANC

2 stops19h 24mKLM

Deal found 10/28

$888

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 October 30, 2025.

Wed 11/266:05 amANC - LHR

2 stops20h 35mDelta

Wed 12/36:30 amLHR - ANC

2 stops21h 34mDelta

Deal found 10/28

$596

Mon 2/231:20 amANC - LHR

1 stop24h 10mMultiple Airlines

Mon 3/96:20 amLHR - ANC

2 stops22h 10mMultiple Airlines

Deal found 10/28

$648

Thu 2/56:10 amANC - LCY

2 stops17h 00mKLM

Mon 2/168:40 amLCY - ANC

2 stops19h 30mKLM

Deal found 10/28

$711

Sun 1/188:00 amANC - LGW

2 stops17h 55mIcelandair

Sat 1/2411:55 amLGW - ANC

2 stops18h 56mIcelandair

Deal found 10/29

$906

Thu 2/267:10 amJNU - LHR

2 stops20h 10mAmerican Airlines

Mon 3/22:55 pmLHR - JNU

2 stops15h 28mAmerican Airlines

Deal found 10/27

$1,132

Thu 2/269:30 amJNU - LHR

3 stops17h 50mAlaska Airlines

Mon 3/22:55 pmLHR - JNU

2 stops15h 28mAlaska Airlines

Deal found 10/27

$1,132

Wed 1/76:10 amANC - LHR

1 stop15h 55mDelta

Fri 1/166:20 amLHR - ANC

2 stops23h 24mDelta

Deal found 10/28

$598

Fri 2/1311:45 pmANC - LCY

3 stops28h 00mMultiple Airlines

Thu 3/55:40 pmLCY - ANC

2 stops35h 05mMultiple Airlines

Deal found 10/29

$686

Wed 11/2612:30 amANC - LHR

2 stops20h 50mDelta

Thu 12/46:20 amLHR - ANC

2 stops19h 14mDelta

Deal found 10/29

$645

Tue 12/96:05 amANC - LCY

2 stops17h 05mKLM

Tue 12/168:40 amLCY - ANC

2 stops19h 24mKLM

Deal found 10/30

$763

Tue 11/116:00 amANC - LHR

1 stop19h 30mDelta

Sun 11/1611:05 amLHR - ANC

1 stop22h 51mDelta

Deal found 10/30

$648

Thu 2/511:45 pmANC - LCY

3 stops26h 55mMultiple Airlines

Mon 2/166:15 pmLCY - ANC

2 stops37h 53mMultiple Airlines

Deal found 10/28

$715

Fri 1/306:10 amANC - LHR

1 stop15h 55mDelta

Fri 2/66:20 amLHR - ANC

2 stops23h 24mDelta

Deal found 10/28

$648

Sun 4/121:45 amANC - LGW

2 stops27h 55mIcelandair

Sat 4/183:40 pmLGW - ANC

2 stops42h 48mIcelandair

Deal found 10/30

$928

Sun 2/2212:00 pmFAI - LHR

1 stop15h 20mMultiple Airlines

Sat 3/79:25 amLHR - FAI

1 stop22h 20mMultiple Airlines

Deal found 10/29

$807

Wed 11/266:05 amANC - LCY

2 stops18h 25mKLM

Wed 12/38:40 amLCY - ANC

2 stops19h 24mKLM

Deal found 10/28

$888

Sun 3/2210:00 amANC - LGW

2 stops16h 55mIcelandair

Sat 4/43:40 pmLGW - ANC

2 stops18h 48mIcelandair

Deal found 10/28

$950

Tue 4/2810:00 amANC - LGW

2 stops19h 40mIcelandair

Mon 5/113:40 pmLGW - ANC

2 stops18h 48mIcelandair

Deal found 10/29

$957

Sat 2/71:30 amFAI - LHR

1 stop24h 00mDelta

Mon 3/232:45 pmLHR - FAI

1 stop17h 28mDelta

Deal found 10/29

$822

Sun 2/88:00 amFAI - LHR

2 stops26h 30mMultiple Airlines

Mon 3/238:35 pmLHR - FAI

2 stops37h 05mMultiple Airlines

Deal found 10/29

$963

Thu 4/161:30 amFAI - LCY

2 stops25h 10mKLM

Tue 4/217:45 amLCY - FAI

2 stops25h 21mKLM

Deal found 10/27

$1,080

Tue 4/2110:00 amANC - LGW

2 stops19h 40mIcelandair

Sun 5/31:00 pmLGW - ANC

2 stops18h 29mIcelandair

Deal found 10/29

$984

Sat 2/211:30 amFAI - LHR

2 stops23h 45mDelta

Sat 3/710:10 amLHR - FAI

2 stops23h 03mDelta

Deal found 10/29

$827

Fri 4/1711:05 amSIT - LHR

2 stops17h 40mAlaska Airlines

Tue 4/219:50 amLHR - SIT

2 stops17h 30mAlaska Airlines

Deal found 10/27

$1,422

Mon 4/2012:00 pmANC - LGW

2 stops17h 40mIcelandair

Sun 5/31:00 pmLGW - ANC

2 stops18h 29mIcelandair

Deal found 10/29

$984

Sun 4/198:55 pmANC - LCY

2 stops30h 35mMultiple Airlines

Sat 5/29:25 amLCY - ANC

2 stops43h 20mMultiple Airlines

Deal found 10/29

$1,006

Sun 4/1912:00 pmANC - LGW

2 stops17h 40mIcelandair

Sun 5/31:00 pmLGW - ANC

2 stops18h 29mIcelandair

Deal found 10/29

$984

Fri 11/281:25 amANC - LGW

2 stops24h 30mMultiple Airlines

Mon 12/811:55 amLGW - ANC

2 stops18h 49mMultiple Airlines

Deal found 10/29

$1,032

Thu 4/161:30 amFAI - LHR

1 stop22h 30mDelta

Tue 4/216:30 amLHR - FAI

2 stops26h 36mDelta

Deal found 10/27

$994

Mon 4/2012:00 pmANC - LGW

2 stops17h 40mIcelandair

Sat 5/21:00 pmLGW - ANC

2 stops18h 29mIcelandair

Deal found 10/29

$996

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated October 30, 2025 and is based on user searches.

Sun 11/29:45 pmANC - LHR

1 stop24h 20mDelta

Tue 11/186:20 amLHR - ANC

2 stops28h 37mDelta

Deal found 10/28

$584

Sun 11/211:59 pmANC - LHR

1 stop24h 41mUnited Airlines

Tue 11/186:35 amLHR - ANC

2 stops22h 24mUnited Airlines

Deal found 10/30

$609

Mon 11/312:30 amANC - LHR

1 stop25h 00mKLM

Tue 11/256:30 amLHR - ANC

2 stops19h 12mKLM

Deal found 10/28

$591

Mon 11/312:30 amANC - LHR

2 stops21h 35mDelta

Tue 11/256:20 amLHR - ANC

2 stops21h 26mDelta

Deal found 10/28

$594

Mon 11/311:59 pmANC - LHR

1 stop24h 41mUnited Airlines

Mon 11/244:40 pmLHR - ANC

2 stops36h 19mUnited Airlines

Deal found 10/28

$627

Tue 11/46:05 amANC - LHR

1 stop16h 00mMultiple Airlines

Tue 11/256:20 amLHR - ANC

2 stops19h 22mMultiple Airlines

Deal found 10/28

$590

Wed 11/57:13 amJNU - LHR

3 stops24h 52mMultiple Airlines

Wed 11/127:40 amLHR - JNU

3 stops22h 54mMultiple Airlines

Deal found 10/30

$845

Tue 11/2512:30 amANC - LHR

2 stops21h 35mDelta

Wed 12/38:40 amLHR - ANC

2 stops19h 24mDelta

Deal found 10/28

$596

Wed 11/2611:59 pmANC - LCY

2 stops31h 41mMultiple Airlines

Wed 12/37:10 pmLCY - ANC

3 stops36h 46mMultiple Airlines

Deal found 10/28

$879

Wed 11/266:05 amANC - LCY

2 stops18h 25mKLM

Wed 12/38:40 amLCY - ANC

2 stops19h 24mKLM

Deal found 10/28

$888

Fri 11/281:25 amANC - LGW

2 stops24h 30mMultiple Airlines

Mon 12/811:55 amLGW - ANC

2 stops18h 49mMultiple Airlines

Deal found 10/29

$1,032

Sat 11/2911:59 pmANC - LCY

2 stops32h 41mMultiple Airlines

Mon 12/89:50 amLCY - ANC

2 stops46h 06mMultiple Airlines

Deal found 10/30

$1,116

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 October 30, 2025.

Tue 12/911:59 pmANC - LHR

1 stop24h 41mUnited Airlines

Deal found 10/28

$397

Tue 1/62:10 amFAI - LHR

3 stops49h 40mMultiple Airlines

Deal found 10/28

$403

Mon 12/82:22 amANC - LHR

1 stop19h 38mAmerican Airlines

Deal found 10/28

$417

Tue 4/281:30 amANC - LHR

2 stops23h 45mDelta

Deal found 10/28

$516

Tue 1/61:30 amFAI - LHR

1 stop24h 00mAir France

Deal found 10/28

$555

Mon 12/812:30 amANC - LHR

2 stops20h 55mDelta

Deal found 10/28

$566

Tue 1/62:10 amFAI - LCY

3 stops25h 45mMultiple Airlines

Deal found 10/28

$578

Tue 1/61:30 amFAI - LCY

2 stops45h 40mKLM

Deal found 10/28

$612

Mon 12/15:00 amANC - LGW

2 stops20h 55mMultiple Airlines

Deal found 10/29

$1,380

Sun 11/301:25 amANC - LHR

2 stops33h 05mMultiple Airlines

Deal found 10/29

$1,405

Sun 11/301:25 amANC - LCY

3 stops35h 05mMultiple Airlines

Deal found 10/29

$1,757

Sun 11/302:20 amANC - STN

3 stops47h 50mMultiple Airlines

Deal found 10/29

$3,137

Cheap flight deals from Alaska to London

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$591 (KLM)
One-way from	$397 (United Airlines)
Popular in	December
Cheapest in	April
Average price	$961

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.

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From Alaska to London (LON)

Search Deals

One-way flight from Alaska to London (LON)

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/26

6:05 am-11:40 am

2 stops20h 35m

London Heathrow

Wed 12/3

6:30 am-7:04 pm

2 stops21h 34m

$596

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 1/7

6:10 am-7:05 am

1 stop15h 55m

London Heathrow

Fri 1/16

6:20 am-8:44 pm

2 stops23h 24m

$598

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/26

12:30 am-6:20 am

2 stops20h 50m

London Heathrow

Thu 12/4

6:20 am-4:34 pm

2 stops19h 14m

$645

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

Mon 3/9

6:20 am-8:30 pm

2 stops22h 10m

$648

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 11/11

6:00 am-10:30 am

1 stop19h 30m

London Heathrow

Sun 11/16

11:05 am-12:56 am

1 stop22h 51m

$648

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 1/30

6:10 am-7:05 am

1 stop15h 55m

London Heathrow

Fri 2/6

6:20 am-8:44 pm

2 stops23h 24m

$648

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Fri 2/13

11:45 pm-12:45 pm

3 stops28h 00m

London City

Thu 3/5

5:40 pm-7:45 pm

2 stops35h 05m

$686

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Thu 2/5

6:10 am-8:10 am

2 stops17h 00m

London City

Mon 2/16

8:40 am-7:10 pm

2 stops19h 30m

$711

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Thu 2/5

11:45 pm-11:40 am

3 stops26h 55m

London City

Mon 2/16

6:15 pm-11:08 pm

2 stops37h 53m

$715

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Tue 12/9

6:05 am-8:10 am

2 stops17h 05m

London City

Tue 12/16

8:40 am-7:04 pm

2 stops19h 24m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 42 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 $700). 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 17h. Fly via Delta, KLM, or Icelandair to get the fastest option. There are 4475 mi between Alaska and London. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Alaska to London one-way?
The cheapest airlines for a one-way flight from Alaska to London are United Airlines ($397), American Airlines ($417), and Air France ($555).
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 $700). 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

Croydon

Eastleigh

Dartford

Dover

Winchester

Orpington

Gatwick

Borehamwood

Aylesbury

Bedford

Chipping Norton

Wembley

Folkestone

Eastbourne

Sutton

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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$1,117	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$876	Average$1,300	FlexibilityNo cancel fee	On-time70%

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$397+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.

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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 October 30, 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 October 30, 2025.

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 October 30, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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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 October 30, 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 cheapest airlines to fly from Alaska to London one-way?

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 October 30, 2025.