How long is the flight from Alaska to London?

Lufthansa, KLM, and Icelandair can get you from Alaska to London in just under 17h 55m. Your travel time can differ by up to 2h 50m. 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 cheapest airlines to fly from Alaska to London one-way?

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £205. However, be on the lookout for offers from JetBlue and Air Canada, as they are both options that can get you from Alaska to London for a low price.

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 City or Anchorage - London Gatwick, 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.

£338+ Flights from Alaska to London

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 12 December 2025.

Tue 30/1221:00ANC - LHR

2 stops25h 10mMultiple Airlines

Wed 7/107:40LHR - ANC

2 stops48h 35mMultiple Airlines

Deal found 10/12£799

Tue 30/1221:00ANC - LHR

1 stop25h 55mUnited Airlines

Wed 7/113:25LHR - ANC

2 stops39h 32mUnited Airlines

Deal found 10/12£810

Tue 30/1206:00ANC - LHR

1 stop16h 05mKLM

Wed 7/112:20LHR - ANC

1 stop20h 49mKLM

Deal found 10/12£1,063

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Tue 16/1223:59ANC - LHR

1 stop24h 41mUnited Airlines

Mon 22/1213:50LHR - ANC

2 stops43h 35mUnited Airlines

Deal found 11/12£1,300

Thu 18/1223:59ANC - LHR

2 stops24h 11mUnited Airlines

Wed 14/111:10LHR - ANC

2 stops45h 05mUnited Airlines

Deal found 10/12£1,397

Tue 30/1206:00ANC - LCY

2 stops17h 10mKLM

Wed 7/108:40LCY - ANC

2 stops19h 16mKLM

Deal found 10/12£1,627

Tue 16/1207:05ANC - LCY

2 stops25h 30mMultiple Airlines

Mon 22/1218:15LCY - ANC

2 stops31h 10mMultiple Airlines

Deal found 11/12£2,318

Tue 16/1207:05ANC - LGW

2 stops18h 50mIcelandair

Mon 22/1211:55LGW - ANC

2 stops19h 04mIcelandair

Deal found 11/12£2,673

Tue 30/1208:00ANC - LGW

2 stops17h 55mMultiple Airlines

Wed 7/111:55LGW - ANC

2 stops20h 57mMultiple Airlines

Deal found 10/12£2,685

Thu 18/1206:05ANC - LCY

2 stops17h 05mKLM

Wed 14/108:40LCY - ANC

2 stops19h 16mKLM

Deal found 10/12£2,849

Mon 15/1210:20ANC - LGW

2 stops27h 10mMultiple Airlines

Mon 29/1206:20LGW - ANC

2 stops26h 22mMultiple Airlines

Deal found 11/12£7,347

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 12 December 2025.

Sat 24/106:00ANC - LGW

2 stops19h 55mMultiple Airlines

Sat 31/111:55LGW - ANC

2 stops20h 57mMultiple Airlines

Deal found 10/12£541

Tue 24/209:00ANC - LHR

2 stops20h 45mLufthansa

Mon 9/307:40LHR - ANC

2 stops23h 10mLufthansa

Deal found 9/12£628

Sun 11/105:55ANC - LHR

1 stop19h 35mKLM

Sun 18/106:30LHR - ANC

2 stops26h 39mKLM

Deal found 11/12£630

Sat 10/101:20ANC - LHR

2 stops20h 00mDelta

Sun 18/106:30LHR - ANC

2 stops23h 14mDelta

Deal found 11/12£633

Sat 24/109:00ANC - LHR

1 stop15h 40mUnited Airlines

Sat 31/106:35LHR - ANC

2 stops25h 40mUnited Airlines

Deal found 10/12£648

Thu 5/208:00ANC - LGW

2 stops17h 55mIcelandair

Thu 12/211:55LGW - ANC

2 stops18h 54mIcelandair

Deal found 10/12£677

Fri 23/111:05FAI - LHR

1 stop16h 15mBritish Airways

Tue 27/109:25LHR - FAI

1 stop19h 05mBritish Airways

Deal found 9/12£900

Sat 10/108:00ANC - LHR

2 stops17h 50mMultiple Airlines

Fri 23/112:15LHR - ANC

2 stops19h 37mMultiple Airlines

Deal found 11/12£563

Sat 10/120:22ANC - LHR

1 stop26h 28mKLM

Fri 23/108:40LHR - ANC

2 stops19h 16mKLM

Deal found 10/12£630

Mon 23/209:00ANC - LHR

1 stop15h 40mLufthansa

Mon 9/307:40LHR - ANC

2 stops23h 10mLufthansa

Deal found 9/12£647

Sat 10/108:00ANC - LGW

2 stops17h 55mIcelandair

Fri 23/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 10/12£677

Sat 24/105:55ANC - LCY

2 stops22h 20mDelta

Sat 31/108:40LCY - ANC

2 stops19h 16mDelta

Deal found 10/12£680

Fri 23/101:30FAI - LHR

1 stop24h 00mKLM

Sat 31/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 9/12£656

Fri 23/101:30FAI - LHR

2 stops20h 20mMultiple Airlines

Sat 31/106:30LHR - FAI

2 stops26h 52mMultiple Airlines

Deal found 9/12£659

Sun 11/108:00ANC - LGW

2 stops17h 55mIcelandair

Sun 18/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 11/12£698

Sun 25/107:00ANC - LGW

2 stops18h 55mMultiple Airlines

Sun 1/211:55LGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 11/12£704

Tue 28/410:00ANC - LGW

2 stops19h 40mIcelandair

Mon 11/515:40LGW - ANC

2 stops18h 48mIcelandair

Deal found 10/12£715

Mon 23/206:00ANC - LGW

2 stops19h 55mMultiple Airlines

Mon 9/311:55LGW - ANC

2 stops21h 14mMultiple Airlines

Deal found 9/12£715

Sun 3/513:00ANC - LGW

2 stops16h 40mIcelandair

Sun 17/513:00LGW - ANC

2 stops21h 37mIcelandair

Deal found 9/12£719

Fri 23/107:00JNU - LHR

1 stop15h 10mBritish Airways

Tue 27/114:55LHR - JNU

1 stop16h 57mBritish Airways

Deal found 9/12£975

Sun 22/306:15ANC - LCY

2 stops26h 20mKLM

Sat 4/410:00LCY - ANC

2 stops21h 18mKLM

Deal found 9/12£807

Mon 23/205:45ANC - LCY

2 stops25h 50mKLM

Mon 9/320:05LCY - ANC

2 stops30h 46mKLM

Deal found 9/12£811

Fri 23/108:00ANC - LGW

2 stops17h 55mIcelandair

Tue 27/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 9/12£751

Mon 23/320:13ANC - LCY

2 stops38h 17mBritish Airways

Mon 6/413:20LCY - ANC

2 stops62h 15mBritish Airways

Deal found 11/12£1,085

Wed 4/205:55ANC - LCY

2 stops25h 40mDelta

Sat 7/208:40LCY - ANC

2 stops19h 16mDelta

Deal found 9/12£1,134

Sun 3/520:50ANC - LCY

2 stops34h 40mBritish Airways

Sun 17/519:00LCY - ANC

2 stops32h 35mBritish Airways

Deal found 9/12£1,086

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Mon 13/408:00ANC - LCY

2 stops25h 35mMultiple Airlines

Mon 20/409:15LCY - ANC

2 stops20h 10mMultiple Airlines

Deal found 9/12£1,172

Sun 31/509:00ANC - LCY

2 stops24h 35mMultiple Airlines

Thu 18/609:15LCY - ANC

2 stops19h 40mMultiple Airlines

Deal found 10/12£1,195

Sun 24/511:00ANC - STN

2 stops26h 10mMultiple Airlines

Sun 31/506:15STN - ANC

2 stops27h 22mMultiple Airlines

Deal found 11/12£1,625

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated 12 December 2025 and is based on user searches.

Thu 18/1223:59ANC - LHR

2 stops24h 11mUnited Airlines

Wed 14/111:10LHR - ANC

2 stops45h 05mUnited Airlines

Deal found 10/12£1,397

Wed 24/1201:50FAI - LHR

1 stop23h 40mDelta

Mon 29/1212:20LHR - FAI

1 stop21h 25mDelta

Deal found 10/12£1,187

Sat 10/108:00ANC - LGW

2 stops17h 55mIcelandair

Fri 23/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 10/12£677

Sun 11/108:00ANC - LGW

2 stops17h 55mIcelandair

Sun 18/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 11/12£698

Fri 23/101:30FAI - LHR

1 stop24h 00mKLM

Sat 31/106:30LHR - FAI

2 stops26h 52mKLM

Deal found 9/12£656

Fri 23/101:30FAI - LHR

2 stops20h 20mMultiple Airlines

Sat 31/106:30LHR - FAI

2 stops26h 52mMultiple Airlines

Deal found 9/12£659

Fri 23/108:00ANC - LGW

2 stops17h 55mIcelandair

Tue 27/111:55LGW - ANC

2 stops18h 56mIcelandair

Deal found 10/12£751

Fri 23/111:05FAI - LHR

1 stop16h 15mBritish Airways

Tue 27/109:25LHR - FAI

1 stop19h 05mBritish Airways

Deal found 9/12£900

Fri 23/107:00JNU - LHR

1 stop15h 10mBritish Airways

Tue 27/114:55LHR - JNU

1 stop16h 57mBritish Airways

Deal found 9/12£975

Sat 24/106:00ANC - LGW

2 stops19h 55mMultiple Airlines

Sat 31/111:55LGW - ANC

2 stops20h 57mMultiple Airlines

Deal found 10/12£541

Sat 24/105:55ANC - LCY

2 stops22h 20mDelta

Sat 31/108:40LCY - ANC

2 stops19h 16mDelta

Deal found 10/12£680

Sun 25/107:00ANC - LGW

2 stops18h 55mMultiple Airlines

Sun 1/211:55LGW - ANC

2 stops19h 57mMultiple Airlines

Deal found 11/12£704

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 12 December 2025.

Fri 20/317:00ANC - STN

3 stops59h 30mMultiple Airlines

Deal found 10/12£338

Fri 20/317:00ANC - LGW

3 stops43h 40mMultiple Airlines

Deal found 10/12£348

Fri 20/317:00ANC - LHR

3 stops44h 35mMultiple Airlines

Deal found 10/12£352

Wed 29/413:00ANC - LGW

2 stops16h 40mIcelandair

Deal found 10/12£364

Wed 29/406:00ANC - LHR

2 stops22h 10mDelta

Deal found 10/12£385

Fri 20/321:10ANC - LHR

2 stops49h 20mAir Canada

Deal found 10/12£401

Fri 20/320:13ANC - LGW

2 stops27h 17mAmerican Airlines

Deal found 10/12£404

Fri 20/320:13ANC - LHR

1 stop26h 37mBritish Airways

Deal found 10/12£404

Fri 20/317:00ANC - LCY

3 stops35h 45mMultiple Airlines

Deal found 10/12£409

Thu 19/301:34ANC - LHR

2 stops22h 16mDelta

Deal found 10/12£423

Fri 20/323:52ANC - LHR

2 stops23h 18mUnited Airlines

Deal found 10/12£426

Tue 28/402:30ANC - LCY

2 stops45h 10mMultiple Airlines

Deal found 10/12£518

Find flight deals from Alaska to London

Round-trip from	£541
One-way from	£338
Popular in	January
Cheapest in	November
Average price	£1,037

24/1-31/1
4 total stops
40h 52m total
Alaska to London

Search Deals

20/3
3 total stops
59h 30m 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 - LGW

ANCLGW

Anchorage

Sat 24/1

06:00-10:55

2 stops19h 55m

London Gatwick

Sat 31/1

11:55-23:52

2 stops20h 57m

£541

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

08:00-10:50

2 stops17h 50m

London Heathrow

Fri 23/1

12:15-22:52

2 stops19h 37m

£563

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-14:45

2 stops20h 45m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£628

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 11/1

05:55-10:30

1 stop19h 35m

London Heathrow

Sun 18/1

06:30-00:09

2 stops26h 39m

£630

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

20:22-07:50

1 stop26h 28m

London Heathrow

Fri 23/1

08:40-18:56

2 stops19h 16m

£630

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/1

01:20-06:20

2 stops20h 00m

London Heathrow

Sun 18/1

06:30-20:44

2 stops23h 14m

£633

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£647

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 24/1

09:00-09:40

1 stop15h 40m

London Heathrow

Sat 31/1

06:35-23:15

2 stops25h 40m

£648

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 23/1

01:30-10:30

1 stop24h 00m

London Heathrow

Sat 31/1

06:30-00:22

2 stops26h 52m

£656

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 23/1

01:30-06:50

2 stops20h 20m

London Heathrow

Sat 31/1

06:30-00:22

2 stops26h 52m

£659

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 50 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 £883). 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.

Related info for your journey

How long is the flight from Alaska to London?
Lufthansa, KLM, and Icelandair can get you from Alaska to London in just under 17h 55m. Your travel time can differ by up to 2h 50m. 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 cheapest airlines to fly from Alaska to London one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £205. However, be on the lookout for offers from JetBlue and Air Canada, as they are both options that can get you from Alaska to London for a low price.
What are the most popular routes from Alaska to London?
While some choose either Anchorage - London City or Anchorage - London Gatwick, 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 £883). 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

Milton Keynes

Croydon

Slough

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Watford

Hayes

Crawley

Winchester

Deal

Bedford

Romford

Chichester

Guildford

Ipswich

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Alaska to London from £338

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 20/3. 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 12 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 12 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 12 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 12 December 2025.

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?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alaska to London

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

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 12 December 2025.