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

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £923. However, be on the lookout for offers from Icelandair and Virgin Atlantic, as they are both options that can get you from London Heathrow Airport to Alaska for a low price.

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

Before booking your flight from London Heathrow Airport to Alaska check out the most popular airlines for this route: British Airways, Icelandair or United Airlines.

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

Travelers have found it’s best to book a flight 35 days in advance to save up to 32% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to Alaska 1-2 weeks in advance for as low as £923, or £1,387 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Alaska. Flights to Alaska from London Heathrow Airport in February are about £1,037 on average during February, but can be found for as low as £636.

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

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

How can I find direct flights from Heathrow to Alaska?

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

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

Yes. Cheapflights offers flight deals from Heathrow 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.

£722+ Flights from London Heathrow Airport to Alaska

Cheap flight deals from Heathrow to Alaska

Round-trip from	£722
Popular in	July
Cheapest in	February
Average price	£849

Scandinavian Airlines
25/8-1/9
4 total stops
52h 52m total
London to Alaska

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£162 potential increase over avg. return price).

Search Deals

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

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Heathrow to Alaska

Cheapest flights from Heathrow to Alaska
Explore the most affordable flight options available from Heathrow to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Mon 25/806:40LHR - ANC

2 stops27h 52mScandinavian Airlines

Mon 1/906:00ANC - LHR

2 stops25h 00mScandinavian Airlines

Deal found 17/4£722

Tue 6/513:05LHR - ANC

2 stops29h 49mMultiple Airlines

Sun 11/510:00ANC - LHR

2 stops16h 55mMultiple Airlines

Deal found 17/4£767

Tue 6/509:25LHR - ANC

1 stop15h 04mBritish Airways

Sun 11/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 17/4£776

Tue 6/521:25LHR - ANC

2 stops58h 07mIcelandair

Sun 11/510:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 17/4£782

Sun 1/609:00LHR - FAI

2 stops26h 20mMultiple Airlines

Sun 8/606:00FAI - LHR

2 stops22h 20mMultiple Airlines

Deal found 17/4£873

Thu 10/714:10LHR - ANC

1 stop33h 48mWestJet

Fri 25/716:00ANC - LHR

1 stop35h 05mWestJet

Deal found 17/4£1,101

Sat 17/514:50LHR - ANC

1 stop16h 47mUnited Airlines

Sat 24/522:29ANC - LHR

2 stops27h 11mUnited Airlines

Deal found 17/4£1,120

Thu 19/609:30LHR - ANC

1 stop18h 44mLufthansa

Mon 23/615:51ANC - LHR

2 stops30h 49mLufthansa

Deal found 17/4£1,187

Mon 2/606:30LHR - FAI

2 stops22h 11mUnited Airlines

Mon 9/620:50FAI - LHR

2 stops27h 30mUnited Airlines

Deal found 18/4£1,204

Sun 1/610:55LHR - FAI

2 stops22h 33mVirgin Atlantic

Sun 8/622:05FAI - LHR

2 stops24h 10mVirgin Atlantic

Deal found 18/4£1,214

Wed 9/709:30LHR - ANC

2 stops39h 12mAir Canada

Wed 23/716:40ANC - LHR

1 stop35h 40mAir Canada

Deal found 17/4£1,215

Mon 14/709:25LHR - ANC

2 stops22h 33mAmerican Airlines

Sun 27/721:48ANC - LHR

1 stop24h 32mAmerican Airlines

Deal found 17/4£1,220

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

Mon 25/806:40LHR - ANC

2 stops27h 52mScandinavian Airlines

Mon 1/906:00ANC - LHR

2 stops25h 00mScandinavian Airlines

Deal found 17/4£722

Tue 6/513:05LHR - ANC

2 stops29h 49mMultiple Airlines

Sun 11/510:00ANC - LHR

2 stops16h 55mMultiple Airlines

Deal found 17/4£767

Tue 6/509:25LHR - ANC

1 stop15h 04mBritish Airways

Sun 11/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 17/4£776

Tue 6/521:25LHR - ANC

2 stops58h 07mIcelandair

Sun 11/510:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 17/4£782

Thu 10/714:10LHR - ANC

1 stop33h 48mWestJet

Fri 25/716:00ANC - LHR

1 stop35h 05mWestJet

Deal found 17/4£1,101

Sat 17/514:50LHR - ANC

1 stop16h 47mUnited Airlines

Sat 24/522:29ANC - LHR

2 stops27h 11mUnited Airlines

Deal found 17/4£1,120

Thu 19/609:30LHR - ANC

1 stop18h 44mLufthansa

Mon 23/615:51ANC - LHR

2 stops30h 49mLufthansa

Deal found 17/4£1,187

Sun 1/610:55LHR - FAI

2 stops22h 33mVirgin Atlantic

Sun 8/622:05FAI - LHR

2 stops24h 10mVirgin Atlantic

Deal found 18/4£1,214

Wed 9/709:30LHR - ANC

2 stops39h 12mAir Canada

Wed 23/716:40ANC - LHR

1 stop35h 40mAir Canada

Deal found 17/4£1,215

Mon 14/709:25LHR - ANC

2 stops22h 33mAmerican Airlines

Sun 27/721:48ANC - LHR

1 stop24h 32mAmerican Airlines

Deal found 17/4£1,220

Mon 2/613:25LHR - FAI

1 stop20h 03mDelta

Sun 8/601:45FAI - LHR

1 stop24h 35mDelta

Deal found 18/4£1,236

Thu 19/613:25LHR - ANC

1 stop15h 42mAir France

Sun 22/600:55ANC - LHR

1 stop25h 25mAir France

Deal found 17/4£1,266

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

Mon 21/408:20LHR - ANC

1 stop20h 00mFinnair

Mon 28/420:30ANC - LHR

2 stops24h 45mFinnair

Deal found 17/4£1,426

Mon 21/408:40LHR - ANC

2 stops20h 42mKLM

Sun 27/401:26ANC - LHR

1 stop27h 49mKLM

Deal found 18/4£1,479

Wed 23/407:55LHR - ANC

2 stops33h 41mMultiple Airlines

Thu 24/413:40ANC - LHR

1 stop15h 00mMultiple Airlines

Deal found 17/4£1,482

Wed 23/408:20LHR - ANC

1 stop20h 00mBritish Airways

Thu 24/420:30ANC - LHR

1 stop24h 55mBritish Airways

Deal found 17/4£3,116

Wed 23/409:55LHR - ANC

2 stops23h 21mKLM

Thu 24/405:55ANC - LHR

2 stops25h 20mKLM

Deal found 17/4£3,123

Sat 3/509:50LHR - FAI

1 stop19h 54mBritish Airways

Sun 4/506:00FAI - LHR

1 stop15h 50mBritish Airways

Deal found 17/4£3,168

Tue 6/513:05LHR - ANC

2 stops29h 49mMultiple Airlines

Sun 11/510:00ANC - LHR

2 stops16h 55mMultiple Airlines

Deal found 17/4£767

Tue 6/509:25LHR - ANC

1 stop15h 04mBritish Airways

Sun 11/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 17/4£776

Tue 6/521:25LHR - ANC

2 stops58h 07mIcelandair

Sun 11/510:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 17/4£782

Sat 17/514:50LHR - ANC

1 stop16h 47mUnited Airlines

Sat 24/522:29ANC - LHR

2 stops27h 11mUnited Airlines

Deal found 17/4£1,120

Sat 17/512:25LHR - ANC

1 stop17h 24mVirgin Atlantic

Fri 23/500:59ANC - LHR

1 stop25h 21mVirgin Atlantic

Deal found 17/4£1,297

Sat 17/513:25LHR - ANC

1 stop18h 37mDelta

Fri 23/500:59ANC - LHR

2 stops20h 26mDelta

Deal found 17/4£1,317

One-way flights from Heathrow to Alaska
Search for one-way flight options from Heathrow to Alaska. Find affordable one-way fares based on user searches. Data last updated 18 April 2025.

Thu 5/608:30LHR - ANC

1 stop15h 40mMultiple Airlines

Deal found 17/4£801

Fri 20/614:10LHR - ANC

2 stops20h 40mWestJet

Deal found 18/4£923

Thu 5/613:05LHR - ANC

2 stops19h 15mIcelandair

Deal found 18/4£1,050

Thu 5/617:25LHR - ANC

1 stop15h 00mVirgin Atlantic

Deal found 18/4£1,261

Fri 20/614:10LHR - ANC

1 stop34h 32mUnited Airlines

Deal found 17/4£1,630

Fri 20/607:05LHR - ANC

3 stops22h 02mScandinavian Airlines

Deal found 18/4£2,246

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 25/8

06:40-01:32

2 stops27h 52m

Anchorage

Mon 1/9

06:00-16:00

2 stops25h 00m

£722

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 6/5

13:05-09:54

2 stops29h 49m

Anchorage

Sun 11/5

10:00-11:55

2 stops16h 55m

£767

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 6/5

09:25-15:29

1 stop15h 04m

Anchorage

Sun 11/5

09:05-13:00

1 stop18h 55m

£776

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 6/5

21:25-22:32

2 stops58h 07m

Anchorage

Sun 11/5

10:00-11:55

2 stops16h 55m

£782

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sun 1/6

09:00-02:20

2 stops26h 20m

Fairbanks

Sun 8/6

06:00-13:20

2 stops22h 20m

£873

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 10/7

14:10-14:58

1 stop33h 48m

Anchorage

Fri 25/7

16:00-12:05

1 stop35h 05m

£1,101

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 17/5

14:50-22:37

1 stop16h 47m

Anchorage

Sat 24/5

22:29-10:40

2 stops27h 11m

£1,120

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 19/6

09:30-19:14

1 stop18h 44m

Anchorage

Mon 23/6

15:51-07:40

2 stops30h 49m

£1,187

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Mon 2/6

06:30-19:41

2 stops22h 11m

Fairbanks

Mon 9/6

20:50-09:20

2 stops27h 30m

£1,204

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sun 1/6

10:55-00:28

2 stops22h 33m

Fairbanks

Sun 8/6

22:05-07:15

2 stops24h 10m

£1,214

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 25 results

Best time to book a flight from Heathrow to Alaska

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

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of £987). Flying from London Heathrow Airport 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 LHR to AK?

When flying from London Heathrow Airport 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

7,917 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

7,917 reviews

Delta

8.0

Very Good

7,917 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

1,329 reviews

Delta

8.0

Very Good

7,917 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

1,269 reviews

Delta

8.0

Very Good

7,917 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

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very Good

7,917 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

8,667 reviews

Delta

8.0

Very Good

7,917 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 Heathrow Airport to Alaska one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £923. However, be on the lookout for offers from Icelandair and Virgin Atlantic, as they are both options that can get you from London Heathrow Airport to Alaska for a low price.
Can I find deals for flights from Heathrow to Alaska that include hotel bookings?
Yes. In addition to deals on Heathrow to Alaska flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Alaska?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Alaska.
Can I find deals for business class flights from Heathrow to Alaska?
Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Alaska?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of £987). Flying from London Heathrow Airport 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 Heathrow 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 4 airlines flying from Heathrow to Alaska

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£639	Average£780	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£719	Average£1,203	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£1,056	Average£1,205	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£1,081	Average£1,267	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Alaska from Heathrow.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Alaska with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to Alaska flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Heathrow Airport to Alaska from £722

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Alaska

Keep the following information in mind while searching for Heathrow to Alaska flight deals. Data was last updated 18 April 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Alaska

Cheapest flights from Heathrow to AlaskaExplore the most affordable flight options available from Heathrow to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Explore the most affordable flight options available from Heathrow to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Alaska

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Heathrow 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 18 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 18 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 Heathrow 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 Heathrow Airport to Alaska one-way?

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

How can I find direct flights from Heathrow to Alaska?

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

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

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

Top 4 airlines flying from Heathrow 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 Heathrow to Alaska?

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

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

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

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Cheapest flights from Heathrow to Alaska
Explore the most affordable flight options available from Heathrow to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.