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

The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £1,158. However, be on the lookout for offers from United Airlines and KLM, 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?

Finnair, British Airways and Icelandair 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 45 days in advance, which can save you up to 62% on flights from London to Alaska compared to booking the week you need them. Waiting 45 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 £971. For sooner than that we have options available in the next 3 days from £1,414.

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 £1,055 per person but you can even find prices for as low as £672. The most expensive prices can be found in the month of July. Opting for a February flight can save you 28% 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.

£707+ Flights from London to Alaska

Cheap flight deals from London to Alaska

Round-trip from	£791
One-way from	£707
Popular in	July
Cheapest in	February
Average price	£849

Icelandair
22/4-29/4
4 total stops
75h 02m total
London to Alaska

Search Deals

7/7
2 total stops
38h 45m total
London to Alaska

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£169 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 February 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 20 2월 2025.

화 22/421:25LHR - ANC

2 stops58h 07mIcelandair

화 29/410:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 19/2£791

화 22/415:40LGW - ANC

2 stops18h 48mIcelandair

화 29/410:00ANC - LGW

2 stops19h 40mIcelandair

Deal found 19/2£818

수 14/509:55LHR - ANC

1 stop23h 28mMultiple Airlines

수 21/509:00ANC - LHR

2 stops23h 15mMultiple Airlines

Deal found 18/2£841

금 23/518:40LHR - ANC

2 stops39h 28mScandinavian Airlines

일 1/606:00ANC - LHR

2 stops30h 40mScandinavian Airlines

Deal found 19/2£875

수 14/515:40LGW - ANC

2 stops25h 54mMultiple Airlines

수 21/505:05ANC - LGW

2 stops21h 40mMultiple Airlines

Deal found 18/2£906

월 10/309:10LHR - FAI

2 stops20h 06mMultiple Airlines

일 16/302:30FAI - LHR

2 stops23h 30mMultiple Airlines

Deal found 19/2£925

토 24/518:00LHR - ANC

2 stops28h 22mLufthansa

토 31/523:59ANC - LHR

1 stop21h 21mLufthansa

Deal found 19/2£979

화 1/415:40LHR - ANC

1 stop17h 58mBritish Airways

일 20/407:00ANC - LHR

1 stop21h 40mBritish Airways

Deal found 19/2£1,079

화 22/409:30LHR - ANC

2 stops18h 51mUnited Airlines

화 29/420:30ANC - LHR

1 stop24h 50mUnited Airlines

Deal found 19/2£1,095

화 22/406:15LHR - ANC

2 stops21h 51mDelta

월 28/401:26ANC - LHR

2 stops22h 29mDelta

Deal found 19/2£1,125

월 21/406:30LHR - ANC

2 stops22h 52mKLM

일 27/401:26ANC - LHR

1 stop27h 49mKLM

Deal found 19/2£1,133

금 21/312:40LHR - FAI

1 stop19h 44mVirgin Atlantic

목 27/301:35FAI - LHR

2 stops24h 55mVirgin Atlantic

Deal found 19/2£1,147

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 20 2월 2025.

화 22/421:25LHR - ANC

2 stops58h 07mIcelandair

화 29/410:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 19/2£791

수 14/509:55LHR - ANC

1 stop23h 28mMultiple Airlines

수 21/509:00ANC - LHR

2 stops23h 15mMultiple Airlines

Deal found 18/2£841

금 23/518:40LHR - ANC

2 stops39h 28mScandinavian Airlines

일 1/606:00ANC - LHR

2 stops30h 40mScandinavian Airlines

Deal found 19/2£875

토 24/518:00LHR - ANC

2 stops28h 22mLufthansa

토 31/523:59ANC - LHR

1 stop21h 21mLufthansa

Deal found 19/2£979

화 1/415:40LHR - ANC

1 stop17h 58mBritish Airways

일 20/407:00ANC - LHR

1 stop21h 40mBritish Airways

Deal found 19/2£1,079

화 22/409:30LHR - ANC

2 stops18h 51mUnited Airlines

화 29/420:30ANC - LHR

1 stop24h 50mUnited Airlines

Deal found 19/2£1,095

화 22/406:15LHR - ANC

2 stops21h 51mDelta

월 28/401:26ANC - LHR

2 stops22h 29mDelta

Deal found 19/2£1,125

월 21/406:30LHR - ANC

2 stops22h 52mKLM

일 27/401:26ANC - LHR

1 stop27h 49mKLM

Deal found 19/2£1,133

금 21/312:40LHR - FAI

1 stop19h 44mVirgin Atlantic

목 27/301:35FAI - LHR

2 stops24h 55mVirgin Atlantic

Deal found 19/2£1,147

금 23/514:10LHR - ANC

1 stop34h 27mAir Canada

일 1/616:40ANC - LHR

2 stops28h 55mAir Canada

Deal found 19/2£1,226

금 23/514:10LHR - ANC

2 stops19h 58mWestJet

금 30/500:40ANC - LHR

2 stops26h 25mWestJet

Deal found 19/2£1,278

화 22/415:40LGW - ANC

2 stops18h 48mIcelandair

화 29/410:00ANC - LGW

2 stops19h 40mIcelandair

Deal found 19/2£818

Last-minute flights from London to Alaska
Discover last-minute flight deals from London to Alaska. Data last updated 20 2월 2025 and is based on user searches.

목 20/212:00LGW - ANC

2 stops21h 22mMultiple Airlines

목 27/205:00ANC - LGW

2 stops20h 55mMultiple Airlines

Deal found 19/2£1,238

목 20/218:15LCY - ANC

2 stops33h 34mMultiple Airlines

목 27/205:00ANC - LCY

2 stops27h 40mMultiple Airlines

Deal found 19/2£1,694

금 7/312:40LHR - FAI

1 stop20h 54mDelta

토 15/301:35FAI - LHR

1 stop25h 35mDelta

Deal found 19/2£1,192

금 7/311:55LGW - FAI

2 stops23h 27mMultiple Airlines

일 16/306:15FAI - LGW

2 stops20h 40mMultiple Airlines

Deal found 19/2£1,264

금 7/312:15LHR - FAI

2 stops20h 21mIcelandair

일 16/316:00FAI - LHR

2 stops34h 50mIcelandair

Deal found 19/2£1,383

금 7/309:25LHR - FAI

1 stop23h 11mBritish Airways

일 16/312:00FAI - LHR

1 stop16h 15mBritish Airways

Deal found 19/2£1,456

월 10/309:10LHR - FAI

2 stops22h 26mMultiple Airlines

월 17/306:15FAI - LHR

2 stops19h 45mMultiple Airlines

Deal found 19/2£925

금 21/312:40LHR - ANC

1 stop18h 58mMultiple Airlines

금 28/319:30ANC - LHR

1 stop30h 40mMultiple Airlines

Deal found 19/2£989

금 21/311:35LHR - ANC

1 stop19h 16mLufthansa

금 28/323:53ANC - LHR

2 stops21h 52mLufthansa

Deal found 19/2£1,100

금 21/312:40LHR - FAI

1 stop19h 44mVirgin Atlantic

목 27/301:35FAI - LHR

2 stops24h 55mVirgin Atlantic

Deal found 19/2£1,147

토 22/308:00LHR - ANC

2 stops22h 51mUnited Airlines

금 28/323:53ANC - LHR

2 stops21h 02mUnited Airlines

Deal found 19/2£1,163

토 22/313:05LHR - ANC

1 stop18h 54mDelta

금 28/305:55ANC - LHR

1 stop23h 15mDelta

Deal found 19/2£1,178

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 20 2월 2025.

월 7/713:05LGW - FAI

2 stops38h 45mMultiple Airlines

Deal found 19/2£707

화 8/714:10LHR - FAI

2 stops19h 40mMultiple Airlines

Deal found 19/2£710

목 5/609:30LHR - ANC

1 stop14h 40mMultiple Airlines

Deal found 19/2£861

월 7/706:45LCY - FAI

2 stops25h 10mMultiple Airlines

Deal found 19/2£1,124

월 7/713:25LHR - FAI

1 stop19h 38mVirgin Atlantic

Deal found 19/2£1,158

화 8/711:05LHR - FAI

1 stop17h 43mUnited Airlines

Deal found 19/2£1,604

화 8/709:20LCY - FAI

2 stops20h 33mKLM

Deal found 19/2£1,639

Find flights from London to Alaska within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

화 22/4

21:25-22:32

2 stops58h 07m

Anchorage

화 29/4

10:00-11:55

2 stops16h 55m

£791

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

화 22/4

15:40-01:28

2 stops18h 48m

Anchorage

화 29/4

10:00-14:40

2 stops19h 40m

£818

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

수 14/5

09:55-00:23

1 stop23h 28m

Anchorage

수 21/5

09:00-17:15

2 stops23h 15m

£841

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

금 23/5

18:40-01:08

2 stops39h 28m

Anchorage

일 1/6

06:00-21:40

2 stops30h 40m

£875

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

수 14/5

15:40-08:34

2 stops25h 54m

Anchorage

수 21/5

05:05-11:45

2 stops21h 40m

£906

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

월 10/3

09:10-21:16

2 stops20h 06m

Fairbanks

일 16/3

02:30-10:00

2 stops23h 30m

£925

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

토 24/5

18:00-13:22

2 stops28h 22m

Anchorage

토 31/5

23:59-06:20

1 stop21h 21m

£979

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

화 1/4

15:40-00:38

1 stop17h 58m

Anchorage

일 20/4

07:00-13:40

1 stop21h 40m

£1,079

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

화 22/4

09:30-19:21

2 stops18h 51m

Anchorage

화 29/4

20:30-06:20

1 stop24h 50m

£1,095

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

화 22/4

06:15-19:06

2 stops21h 51m

Anchorage

월 28/4

01:26-08:55

2 stops22h 29m

£1,125

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 32 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.

Travel insights for flights from London to Alaska

Get recent, data-driven insights about flights from London to Alaska including ideal travel times, pricing trends, and more.

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 Virgin Atlantic 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

8,236 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

8,236 reviews

Delta

8.0

Very Good

8,236 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

1,333 reviews

Delta

8.0

Very Good

8,236 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

Virgin Atlantic

7.5

Good

654 reviews

Delta

8.0

Very Good

8,236 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

8,771 reviews

Delta

8.0

Very Good

8,236 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

Scandinavian Airlines

7.3

Good

1,325 reviews

Delta

8.0

Very Good

8,236 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 Virgin Atlantic, with whom users have recently found tickets for as low as £1,158. However, be on the lookout for offers from United Airlines and KLM, 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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London City to San Francisco flights

Stansted to Newark flights

Gatwick to O'Hare Intl flights

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Stansted to Boston flights

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 4 airlines flying from London to Alaska

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£672	Average£818	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Finnair	Cheapest£714	Average£900	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£770	Average£1,119	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£1,035	Average£1,308	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic 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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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 London to Alaska from £707

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 7/7. 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 20 2월 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 20 2월 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 20 2월 2025.

Find flights from London to Alaska within your budget

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.

Travel insights for flights from London to Alaska

Get recent, data-driven insights about flights from London to Alaska including ideal travel times, pricing trends, and more.

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 20 2월 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 20 2월 2025.

See what other customers who have flown with Delta, KLM and Virgin Atlantic 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 4 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 20 2월 2025.