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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £837. However, be on the lookout for offers from WestJet and Lufthansa, as they are both options that can get you from London to Alaska for a low price.

What are the most popular routes from London to Alaska?

The most popular route from London to Alaska is London Heathrow - Anchorage. You may also consider London Gatwick - Anchorage or London City - Anchorage.

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

British Airways, Icelandair and Lufthansa are the most popular airlines when flying from London to Alaska.

How far in advance should I book a flight from London to Alaska?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 32% on flights from London to Alaska compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £912. For sooner than that we have options available in the next 3 days from £1,370.

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

February is one of the best times of the year to fly to Alaska from London. Prices for February average £1,032 per person but you can even find prices for as low as £628. The most expensive prices can be found in the month of July. Opting for a February flight can save you 30% on your journey compared to booking in July

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

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

How can I find direct flights from London to Alaska?

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

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

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

£361+ Flights from London to Alaska

Cheap flight deals from London to Alaska

Round-trip from	£692
One-way from	£361
Popular in	July
Cheapest in	February
Average price	£826

4/6-7/6
3 total stops
47h 40m total
London to Alaska

Search Deals

24/5
2 total stops
20h 49m total
London to Alaska

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£179 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from London to Alaska

Cheapest flights from London to Alaska
Explore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Wed 4/610:55LGW - ANC

2 stops22h 03mMultiple Airlines

Sat 7/600:18ANC - LGW

1 stop25h 37mMultiple Airlines

Deal found 29/4£692

Mon 25/806:40LHR - ANC

2 stops27h 52mScandinavian Airlines

Mon 1/906:00ANC - LHR

2 stops26h 40mScandinavian Airlines

Deal found 29/4£695

Sat 14/609:30LHR - ANC

1 stop15h 40mMultiple Airlines

Sat 21/618:15ANC - LHR

1 stop13h 25mMultiple Airlines

Deal found 29/4£698

Tue 17/608:45LCY - ANC

1 stop14h 35mMultiple Airlines

Tue 1/716:20ANC - LCY

1 stop17h 15mMultiple Airlines

Deal found 29/4£718

Thu 6/1111:55LGW - ANC

2 stops19h 32mIcelandair

Tue 11/1108:00ANC - LGW

2 stops17h 55mIcelandair

Deal found 29/4£735

Thu 6/1112:15LHR - ANC

2 stops19h 12mIcelandair

Tue 11/1108:00ANC - LHR

2 stops26h 30mIcelandair

Deal found 29/4£738

Mon 10/1112:15LHR - FAI

2 stops33h 30mIcelandair

Sat 15/1115:45FAI - LHR

2 stops34h 05mIcelandair

Deal found 29/4£787

Mon 16/615:40LGW - FAI

2 stops19h 56mMultiple Airlines

Wed 25/615:53FAI - LGW

2 stops37h 47mMultiple Airlines

Deal found 29/4£805

Fri 13/611:05LHR - FAI

2 stops22h 44mMultiple Airlines

Thu 19/602:09FAI - LHR

2 stops43h 11mMultiple Airlines

Deal found 29/4£869

Sat 14/607:30LHR - ANC

1 stop14h 20mLufthansa

Sat 21/615:05ANC - LHR

2 stops17h 00mLufthansa

Deal found 29/4£920

Mon 1/908:45LCY - FAI

2 stops23h 02mMultiple Airlines

Sat 27/915:59FAI - LCY

2 stops39h 26mMultiple Airlines

Deal found 29/4£1,013

Wed 30/409:50LHR - ANC

1 stop15h 37mBritish Airways

Wed 7/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 29/4£1,046

Best flights from London to Alaska
Discover carefully curated flight deals from London to Alaska that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Wed 4/610:55LGW - ANC

2 stops22h 03mMultiple Airlines

Sat 7/600:18ANC - LGW

1 stop25h 37mMultiple Airlines

Deal found 29/4£692

Mon 25/806:40LHR - ANC

2 stops27h 52mScandinavian Airlines

Mon 1/906:00ANC - LHR

2 stops26h 40mScandinavian Airlines

Deal found 29/4£695

Wed 4/613:05LHR - ANC

2 stops19h 15mIcelandair

Sun 8/612:20ANC - LHR

2 stops23h 00mIcelandair

Deal found 29/4£799

Sat 14/607:30LHR - ANC

1 stop14h 20mLufthansa

Sat 21/615:05ANC - LHR

2 stops17h 00mLufthansa

Deal found 29/4£920

Mon 1/913:25LHR - FAI

1 stop19h 38mVirgin Atlantic

Sat 27/922:05FAI - LHR

2 stops23h 15mVirgin Atlantic

Deal found 29/4£1,113

Mon 12/508:20LHR - ANC

1 stop19h 50mBritish Airways

Mon 2/621:48ANC - LHR

1 stop24h 32mBritish Airways

Deal found 29/4£1,186

Fri 13/614:10LHR - ANC

1 stop34h 27mAir Canada

Fri 20/616:40ANC - LHR

1 stop35h 40mAir Canada

Deal found 29/4£1,187

Thu 19/606:30LHR - ANC

2 stops18h 12mUnited Airlines

Mon 23/623:45ANC - LHR

1 stop24h 55mUnited Airlines

Deal found 29/4£1,200

Wed 8/1006:30LHR - ANC

2 stops18h 52mKLM

Tue 21/1000:40ANC - LHR

1 stop28h 35mKLM

Deal found 29/4£1,245

Tue 1/713:25LHR - ANC

1 stop19h 01mDelta

Mon 21/701:30ANC - LHR

2 stops19h 55mDelta

Deal found 29/4£1,251

Sat 14/609:30LHR - ANC

1 stop15h 40mMultiple Airlines

Sat 21/618:15ANC - LHR

1 stop13h 25mMultiple Airlines

Deal found 29/4£698

Mon 25/812:30LHR - ANC

1 stop17h 20mFinnair

Mon 1/919:46ANC - LHR

2 stops25h 29mFinnair

Deal found 29/4£1,407

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

Wed 30/409:50LHR - ANC

1 stop15h 37mBritish Airways

Wed 7/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 29/4£1,046

Wed 30/406:30LHR - ANC

2 stops21h 36mDelta

Tue 6/500:55ANC - LHR

2 stops22h 55mDelta

Deal found 29/4£1,465

Wed 30/407:45LCY - ANC

2 stops20h 21mDelta

Wed 7/510:40ANC - LCY

2 stops21h 00mDelta

Deal found 29/4£1,474

Wed 30/408:40LHR - ANC

2 stops19h 26mKLM

Tue 6/500:55ANC - LHR

1 stop28h 20mKLM

Deal found 29/4£1,475

Wed 30/408:45LCY - ANC

3 stops22h 52mMultiple Airlines

Wed 7/520:50ANC - LCY

2 stops30h 40mMultiple Airlines

Deal found 29/4£1,480

Mon 12/515:40LGW - ANC

2 stops18h 48mIcelandair

Mon 2/612:20ANC - LGW

2 stops17h 15mIcelandair

Deal found 29/4£958

Mon 12/521:25LHR - ANC

2 stops37h 03mIcelandair

Mon 2/612:20ANC - LHR

2 stops23h 00mIcelandair

Deal found 29/4£963

Fri 23/510:55LGW - ANC

1 stop22h 25mMultiple Airlines

Sun 1/614:45ANC - LGW

2 stops35h 10mMultiple Airlines

Deal found 29/4£799

Fri 23/513:35LHR - ANC

1 stop19h 45mMultiple Airlines

Sat 31/500:18ANC - LHR

1 stop24h 42mMultiple Airlines

Deal found 29/4£823

Fri 23/506:40LHR - ANC

2 stops25h 27mScandinavian Airlines

Sun 1/606:05ANC - LHR

2 stops24h 55mScandinavian Airlines

Deal found 29/4£1,069

One-way flights from London to Alaska
Search for one-way flight options from London to Alaska. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Sat 24/510:45LGW - ANC

2 stops20h 49mMultiple Airlines

Deal found 29/4£361

Mon 26/521:25LHR - ANC

3 stops34h 55mMultiple Airlines

Deal found 29/4£491

Tue 27/507:05LCY - ANC

2 stops21h 43mMultiple Airlines

Deal found 28/4£722

Sat 24/521:25LHR - ANC

2 stops34h 09mIcelandair

Deal found 29/4£837

Tue 1/714:10LHR - ANC

2 stops18h 16mWestJet

Deal found 29/4£865

Tue 1/714:50LHR - ANC

1 stop16h 44mLufthansa

Deal found 29/4£906

Mon 28/706:40LHR - ANC

2 stops22h 26mScandinavian Airlines

Deal found 29/4£922

Tue 1/713:00LGW - ANC

2 stops18h 38mIcelandair

Deal found 29/4£999

Fri 20/619:30LCY - ANC

2 stops26h 20mSWISS

Deal found 29/4£1,644

Fri 20/617:00LCY - ANC

1 stop28h 50mLufthansa

Deal found 29/4£1,658

Fri 23/510:00LCY - ANC

2 stops22h 07mDelta

Deal found 28/4£2,369

Sat 24/512:25LHR - ANC

1 stop21h 25mDelta

Deal found 29/4£2,378

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 4/6

10:55-23:58

2 stops22h 03m

Anchorage

Sat 7/6

00:18-10:55

1 stop25h 37m

£692

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 25/8

06:40-01:32

2 stops27h 52m

Anchorage

Mon 1/9

06:00-17:40

2 stops26h 40m

£695

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 14/6

09:30-16:10

1 stop15h 40m

Anchorage

Sat 21/6

18:15-16:40

1 stop13h 25m

£698

LondonAnchorage

LCY - ANC

LCYANC

London City

Tue 17/6

08:45-14:20

1 stop14h 35m

Anchorage

Tue 1/7

16:20-18:35

1 stop17h 15m

£718

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 4/6

13:05-23:20

2 stops19h 15m

Anchorage

Sun 8/6

12:20-20:20

2 stops23h 00m

£799

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Mon 16/6

15:40-02:36

2 stops19h 56m

Fairbanks

Wed 25/6

15:53-14:40

2 stops37h 47m

£805

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 13/6

11:05-00:49

2 stops22h 44m

Fairbanks

Thu 19/6

02:09-06:20

2 stops43h 11m

£869

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 14/6

07:30-12:50

1 stop14h 20m

Anchorage

Sat 21/6

15:05-17:05

2 stops17h 00m

£920

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 12/5

15:40-01:28

2 stops18h 48m

Anchorage

Mon 2/6

12:20-14:35

2 stops17h 15m

£958

LondonFairbanks

LCY - FAI

LCYFAI

London City

Mon 1/9

08:45-22:47

2 stops23h 02m

Fairbanks

Sat 27/9

15:59-16:25

2 stops39h 26m

£1,013

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 37 results

Best time to book a flight from London to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from London 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 London to Alaska

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

Currently, January is the cheapest month in which you can book a flight from London to Alaska (average of £987). Flying from London to Alaska in July is currently the most expensive (average of £1,796). 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 LON to AK?

When flying from London to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Alaska by month

In terms of precipitation, rainfall in Alaska ranges from 13.0 - 84.0 inches per month. August is typically the wettest month, when rainfall can reach 84.0 mm. April is typically the driest time to visit Alaska when rainfall is around 13.0 mm.

Temperature in Alaska by month

If weather is an important factor for your trip to Alaska, 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 15.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -8.0 C).

Reviews of airlines servicing Alaska

See what other customers who have flown with Delta, KLM and Finnair from London to Alaska have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from London to Alaska one-way?
The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £837. However, be on the lookout for offers from WestJet and Lufthansa, as they are both options that can get you from London to Alaska for a low price.
What are the most popular routes from London to Alaska?
The most popular route from London to Alaska is London Heathrow - Anchorage. You may also consider London Gatwick - Anchorage or London City - Anchorage.
Can I find deals for flights from London to Alaska that include hotel bookings?
Yes. In addition to deals on London to Alaska flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Alaska?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Alaska.
Can I find deals for business class flights from London to Alaska?
Yes. Cheapflights offers flight deals from London to Alaska 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 London to Alaska?
Currently, January is the cheapest month in which you can book a flight from London to Alaska (average of £987). Flying from London to Alaska in July is currently the most expensive (average of £1,796). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Alaska

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Complete your trip

Alaska car hire

Anchorage Airport car hire

Fairbanks Airport car hire

Juneau Intl Airport car hire

Ketchikan Airport car hire

Sitka Airport car hire

Kenai Airport car hire

Petersburg Airport car hire

Valdez Airport car hire

Kotzebue Ralph Wien Airport car hire

Anchorage car hire

Fairbanks car hire

Direct flights to United States

Top 6 airlines flying from London to Alaska

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£537	Average£785	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£631	Average£770	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£696	Average£1,192	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£749	Average£1,182	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£1,040	Average£1,190	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£1,068	Average£1,251	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Alaska from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Alaska flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from London to Alaska from £361

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Alaska

Keep the following information in mind while searching for London to Alaska flight deals. Data was last updated 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Alaska

Cheapest flights from London to AlaskaExplore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Explore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from London to Alaska

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

Cheapflights Insights

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

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

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

Find hourly flight availability from London to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

Rainfall in Alaska by month

Plan your trip to Alaska by taking into account the average rainfall totals by month.

Temperature in Alaska by month

Plan your trip to Alaska by taking into account the average temperature totals by month.

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated 30 April 2025.

See what other customers who have flown with Delta, KLM and Finnair from London to Alaska have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the most popular routes from London to Alaska?

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

How can I find direct flights from London to Alaska?

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

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

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 London to Alaska

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

Top 6 airlines flying from London to Alaska

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 London to Alaska?

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

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

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

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Cheapest flights from London to Alaska
Explore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.