How long is the flight from Alaska to London?

Lufthansa, Icelandair, and KLM can get you from Alaska to London in just under 17h 55m. Your travel time can differ by up to 6h 05m. The distance from Alaska to London is about 4495 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

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 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?

While some choose either Anchorage - London Gatwick or Anchorage - London City, Anchorage - London Heathrow is the most popular route from Alaska to London.

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 Air Canada. 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 holiday 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.

£284+ Flights from Alaska to London

Q: How much does it cost for a return flight from Alaska to London?

Airfare is below average for this route at the moment. Alaska to London flights typically cost between £889 and £1,180 in February. The cheapest return flight price found within the last 3 days was £615 on Lufthansa (24 Feb-9 Mar).

Cheap flight deals from Alaska to London

Enter your travel dates to find the best prices.

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 18 December 2025.

Tue 16/1200:30ANC - LHR

1 stop25h 00mKLM

Wed 24/1206:30LHR - ANC

2 stops21h 19mKLM

Deal found 16/12£1,237

Tue 16/1200:30ANC - LHR

2 stops21h 35mDelta

Wed 24/1206:30LHR - ANC

2 stops21h 19mDelta

Deal found 16/12£1,245

Wed 17/1206:05ANC - LHR

1 stop16h 00mVirgin Atlantic

Wed 24/1211:05LHR - ANC

1 stop16h 44mVirgin Atlantic

Deal found 16/12£1,254

Wed 17/1200:30ANC - LHR

2 stops21h 25mDelta

Wed 14/106:30LHR - ANC

2 stops23h 14mDelta

Deal found 17/12£1,297

Wed 17/1223:59ANC - LHR

2 stops20h 56mUnited Airlines

Wed 24/1218:00LHR - ANC

3 stops37h 56mUnited Airlines

Deal found 16/12£1,378

Wed 17/1223:59ANC - LHR

2 stops26h 16mUnited Airlines

Mon 5/113:30LHR - ANC

2 stops39h 27mUnited Airlines

Deal found 16/12£1,735

Wed 17/1205:05ANC - LGW

2 stops32h 30mMultiple Airlines

Wed 24/1206:25LGW - ANC

2 stops26h 17mMultiple Airlines

Deal found 16/12£2,201

Wed 17/1206:05ANC - LCY

2 stops18h 25mKLM

Wed 24/1220:05LCY - ANC

2 stops31h 29mKLM

Deal found 16/12£2,367

Thu 18/1206:05ANC - LCY

2 stops17h 45mKLM

Wed 14/107:45LCY - ANC

2 stops20h 11mKLM

Deal found 16/12£2,856

Mon 29/1208:00ANC - LGW

2 stops17h 55mIcelandair

Thu 8/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 17/12£3,490

Mon 29/1208:00ANC - LGW

2 stops17h 55mIcelandair

Wed 7/111:55LGW - ANC

2 stops19h 57mIcelandair

Deal found 17/12£4,708

Mon 29/1206:00ANC - LCY

2 stops17h 10mKLM

Wed 7/107:45LCY - ANC

2 stops20h 11mKLM

Deal found 17/12£5,833

Best flights from Alaska to London
Discover carefully curated flight deals from Alaska to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Tue 24/209:00ANC - LHR

2 stops23h 05mLufthansa

Mon 9/306:35LHR - ANC

2 stops24h 15mLufthansa

Deal found 15/12£622

Mon 16/208:00ANC - LGW

2 stops17h 55mIcelandair

Tue 24/211:55LGW - ANC

2 stops18h 54mIcelandair

Deal found 17/12£641

Fri 30/101:30FAI - LHR

3 stops29h 30mMultiple Airlines

Sat 7/206:40LHR - FAI

3 stops26h 42mMultiple Airlines

Deal found 17/12£647

Tue 13/101:30FAI - LHR

1 stop24h 00mKLM

Wed 21/111:45LHR - FAI

2 stops45h 37mKLM

Deal found 16/12£652

Sat 31/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Sat 7/206:35LHR - ANC

2 stops22h 22mUnited Airlines

Deal found 17/12£655

Sat 31/105:55ANC - LCY

2 stops22h 20mDelta

Sat 7/208:40LCY - ANC

2 stops19h 16mDelta

Deal found 17/12£682

Fri 23/105:51FAI - LHR

1 stop21h 29mBritish Airways

Tue 27/109:25LHR - FAI

1 stop23h 31mBritish Airways

Deal found 15/12£902

Mon 23/209:00ANC - LHR

1 stop15h 40mLufthansa

Mon 9/307:55LHR - ANC

1 stop20h 06mLufthansa

Deal found 15/12£635

Thu 15/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Thu 22/106:35LHR - ANC

2 stops25h 40mUnited Airlines

Deal found 16/12£655

Thu 15/101:30FAI - LHR

1 stop24h 00mKLM

Fri 23/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 16/12£656

Sun 15/208:00ANC - LGW

2 stops17h 55mIcelandair

Fri 20/211:55LGW - ANC

2 stops18h 54mIcelandair

Deal found 15/12£662

Thu 15/102:10FAI - LHR

2 stops25h 50mMultiple Airlines

Fri 23/106:35LHR - FAI

2 stops29h 13mMultiple Airlines

Deal found 16/12£677

Mon 23/209:00ANC - LHR

3 stops27h 20mUnited Airlines

Mon 9/307:40LHR - ANC

2 stops23h 10mUnited Airlines

Deal found 16/12£658

Fri 30/101:30FAI - LHR

1 stop24h 00mKLM

Sat 7/215:05LHR - FAI

1 stop18h 17mKLM

Deal found 17/12£677

Tue 28/410:00ANC - LGW

2 stops19h 40mIcelandair

Mon 11/515:40LGW - ANC

2 stops42h 48mIcelandair

Deal found 16/12£680

Mon 4/513:00ANC - LGW

2 stops16h 40mIcelandair

Mon 18/515:40LGW - ANC

2 stops40h 54mIcelandair

Deal found 16/12£685

Sat 31/108:00ANC - LGW

2 stops17h 55mMultiple Airlines

Sat 7/211:55LGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 17/12£768

Sun 1/309:00ANC - LCY

2 stops23h 40mLufthansa

Sun 15/317:15LCY - ANC

2 stops34h 46mLufthansa

Deal found 16/12£804

Mon 23/208:00ANC - LGW

2 stops17h 55mMultiple Airlines

Mon 9/311:55LGW - ANC

2 stops20h 08mMultiple Airlines

Deal found 15/12£785

Fri 23/114:20JNU - LHR

1 stop13h 00mBritish Airways

Tue 27/109:25LHR - JNU

1 stop22h 27mBritish Airways

Deal found 15/12£977

Mon 23/205:45ANC - LCY

2 stops25h 50mKLM

Mon 9/320:05LCY - ANC

2 stops30h 46mKLM

Deal found 15/12£813

Mon 23/310:00ANC - LGW

2 stops16h 55mIcelandair

Sun 29/315:40LGW - ANC

2 stops18h 48mIcelandair

Deal found 16/12£751

Mon 16/205:45ANC - LCY

2 stops25h 50mKLM

Tue 24/207:45LCY - ANC

2 stops20h 12mKLM

Deal found 17/12£813

Fri 23/108:00ANC - LGW

2 stops17h 55mIcelandair

Tue 27/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 15/12£753

Mon 4/520:50ANC - LCY

2 stops34h 40mBritish Airways

Mon 18/511:30LCY - ANC

2 stops40h 05mBritish Airways

Deal found 16/12£1,013

Wed 20/501:15FAI - LHR

1 stop23h 25mUnited Airlines

Thu 4/611:05LHR - FAI

1 stop16h 36mUnited Airlines

Deal found 16/12£960

Thu 5/205:55ANC - LCY

2 stops25h 40mKLM

Mon 16/208:40LCY - ANC

2 stops19h 17mKLM

Deal found 17/12£816

Thu 15/108:00ANC - LGW

2 stops17h 55mIcelandair

Thu 22/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 16/12£763

Sun 22/306:15ANC - LCY

2 stops26h 20mKLM

Sat 4/410:00LCY - ANC

2 stops21h 18mKLM

Deal found 15/12£873

Sun 10/510:00ANC - LCY

2 stops23h 35mMultiple Airlines

Fri 22/509:15LCY - ANC

2 stops21h 21mMultiple Airlines

Deal found 16/12£1,353

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated 18 December 2025 and is based on user searches.

Tue 13/101:30FAI - LHR

1 stop24h 00mKLM

Wed 21/111:45LHR - FAI

2 stops45h 37mKLM

Deal found 16/12£652

Wed 14/105:51FAI - LHR

2 stops19h 59mMultiple Airlines

Wed 21/112:15LHR - FAI

2 stops20h 41mMultiple Airlines

Deal found 16/12£579

Thu 15/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Thu 22/106:35LHR - ANC

2 stops25h 40mUnited Airlines

Deal found 16/12£655

Thu 15/101:30FAI - LHR

1 stop24h 00mKLM

Fri 23/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 16/12£656

Thu 15/102:10FAI - LHR

2 stops25h 50mMultiple Airlines

Fri 23/106:35LHR - FAI

2 stops29h 13mMultiple Airlines

Deal found 16/12£677

Thu 15/108:00ANC - LGW

2 stops17h 55mIcelandair

Thu 22/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 16/12£763

Fri 23/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Tue 27/111:10LHR - ANC

2 stops45h 05mUnited Airlines

Deal found 16/12£662

Fri 23/108:00ANC - LGW

2 stops17h 55mIcelandair

Tue 27/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 16/12£753

Fri 30/101:30FAI - LHR

3 stops29h 30mMultiple Airlines

Sat 7/206:40LHR - FAI

3 stops26h 42mMultiple Airlines

Deal found 17/12£647

Fri 30/101:20ANC - LHR

2 stops20h 05mDelta

Sat 7/206:30LHR - ANC

2 stops21h 26mDelta

Deal found 17/12£659

Sat 31/105:55ANC - LCY

2 stops22h 20mDelta

Sat 7/208:40LCY - ANC

2 stops19h 16mDelta

Deal found 17/12£682

Sat 31/108:00ANC - LGW

2 stops17h 55mMultiple Airlines

Sat 7/211:55LGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 17/12£768

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 18 December 2025.

Mon 23/206:00ANC - LHR

3 stops21h 50mMultiple Airlines

Deal found 15/12£284

Wed 29/406:00ANC - LHR

1 stop23h 15mKLM

Deal found 17/12£386

Mon 23/209:00ANC - LHR

1 stop15h 40mLufthansa

Deal found 15/12£397

Wed 29/410:00ANC - LGW

2 stops19h 40mIcelandair

Deal found 16/12£419

Mon 8/623:54ANC - STN

3 stops34h 41mMultiple Airlines

Deal found 16/12£424

Mon 8/623:54ANC - LGW

3 stops30h 16mMultiple Airlines

Deal found 16/12£425

Mon 2/207:00JNU - LHR

2 stops20h 50mMultiple Airlines

Deal found 17/12£441

Mon 2/207:00JNU - LHR

2 stops19h 40mAmerican Airlines

Deal found 17/12£481

Mon 8/623:54ANC - LHR

3 stops30h 01mMultiple Airlines

Deal found 16/12£482

Mon 8/623:54ANC - LCY

3 stops33h 26mMultiple Airlines

Deal found 16/12£527

Wed 29/407:00ANC - LCY

2 stops29h 40mMultiple Airlines

Deal found 16/12£535

Mon 23/208:00ANC - LGW

2 stops17h 55mIcelandair

Deal found 15/12£558

Find flight deals from Alaska to London

Round-trip from	£579
One-way from	£284
Popular in	January
Cheapest in	November
Average price	£1,038

14/1-21/1
4 total stops
40h 40m total
Alaska to London

Search Deals

23/2
3 total stops
21h 50m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£104 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return 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 24/2

09:00-17:05

2 stops23h 05m

London Heathrow

Mon 9/3

06:35-22:50

2 stops24h 15m

£622

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:55-20:01

1 stop20h 06m

£635

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Mon 16/2

08:00-10:55

2 stops17h 55m

London Gatwick

Tue 24/2

11:55-21:49

2 stops18h 54m

£641

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 30/1

01:30-16:00

3 stops29h 30m

London Heathrow

Sat 7/2

06:40-00:22

3 stops26h 42m

£647

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 13/1

01:30-10:30

1 stop24h 00m

London Heathrow

Wed 21/1

11:45-00:22

2 stops45h 37m

£652

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 31/1

09:00-09:40

1 stop15h 40m

London Heathrow

Sat 7/2

06:35-19:57

2 stops22h 22m

£655

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 15/1

09:00-09:40

1 stop15h 40m

London Heathrow

Thu 22/1

06:35-23:15

2 stops25h 40m

£655

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 15/1

01:30-10:30

1 stop24h 00m

London Heathrow

Fri 23/1

06:30-00:22

2 stops26h 52m

£656

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-21:20

3 stops27h 20m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£658

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 15/2

08:00-10:55

2 stops17h 55m

London Gatwick

Fri 20/2

11:55-21:49

2 stops18h 54m

£662

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 48 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 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

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 £521). Flying from Alaska to London in June is currently the most expensive (average of £884). 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?

A simple way to save on the total cost of your ticket is to fly from Alaska to London in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from Alaska to London?

Related info for your journey

How long is the flight from Alaska to London?
Lufthansa, Icelandair, and KLM can get you from Alaska to London in just under 17h 55m. Your travel time can differ by up to 6h 05m. The distance from Alaska to London is about 4495 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Alaska to London?
While some choose either Anchorage - London Gatwick or Anchorage - London City, Anchorage - London Heathrow is the most popular route from Alaska to London.
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 holiday 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 £521). Flying from Alaska to London in June is currently the most expensive (average of £884). 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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Croydon

Slough

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Hayes

Watford

Crawley

Winchester

Bedford

Romford

Chichester

Eastbourne

Guildford

Ipswich

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How does Cheapflights help users find flights from Alaska to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alaska to London. 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 London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Alaska to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Alaska to London with no change fees?

Yes, we can. To see specific flights from Alaska to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Alaska to London become cheaper?

Of course! You can now track prices for flights from Alaska to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Alaska to London from £284

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.

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 18 December 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 18 December 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 18 December 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 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 18 December 2025.

How much does it cost for a return flight 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?

Travelling to a place near London?

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Alternative routes for Alaska to London

See prices for flight routes from nearby airports that may be better suited for you.

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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 London?

Why should you use Cheapflights to find cheap flight tickets from Alaska to London?

Can Cheapflights find flights from Alaska to London with no change fees?

Can Cheapflights notify me if prices for flights from Alaska to London become cheaper?

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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 18 December 2025.