What are the cheapest airlines to fly from London Heathrow Airport 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 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 Lufthansa.

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 £912, or £1,370 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 £1,032 on average during February, but can be found for as low as £628.

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.

£491+ Flights from London Heathrow Airport to Alaska

Cheap flight deals from Heathrow to Alaska

Round-trip from	£694
One-way from	£491
Popular in	July
Cheapest in	February
Average price	£826

Scandinavian Airlines
8/10-22/10
4 total stops
54h 45m total
London to Alaska

Search Deals

26/5
3 total stops
34h 55m 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 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 30 April 2025.

Wed 8/1006:40LHR - ANC

2 stops28h 05mScandinavian Airlines

Wed 22/1006:00ANC - LHR

2 stops26h 40mScandinavian Airlines

Deal found 30/4£694

Sat 14/609:30LHR - ANC

1 stop15h 40mMultiple Airlines

Sat 21/618:15ANC - LHR

1 stop13h 25mMultiple Airlines

Deal found 29/4£698

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

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

Fri 16/512:40LHR - ANC

3 stops35h 57mAir Canada

Sat 31/516:40ANC - LHR

3 stops28h 50mAir Canada

Deal found 30/4£935

Wed 30/409:50LHR - ANC

1 stop15h 37mBritish Airways

Wed 7/509:05ANC - LHR

1 stop18h 55mBritish Airways

Deal found 29/4£1,046

Thu 6/1109:30LHR - ANC

2 stops22h 04mUnited Airlines

Tue 11/1123:55ANC - LHR

1 stop24h 45mUnited Airlines

Deal found 29/4£1,102

Mon 1/913:25LHR - FAI

1 stop19h 38mVirgin Atlantic

Sat 27/922:05FAI - LHR

2 stops23h 15mVirgin Atlantic

Deal found 29/4£1,113

Fri 7/1108:40LHR - ANC

2 stops20h 09mDelta

Wed 12/1106:00ANC - LHR

1 stop20h 00mDelta

Deal found 29/4£1,128

Fri 7/1106:30LHR - ANC

2 stops18h 52mKLM

Sun 9/1100:40ANC - LHR

1 stop25h 20mKLM

Deal found 29/4£1,169

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 30 April 2025.

Wed 8/1006:40LHR - ANC

2 stops28h 05mScandinavian Airlines

Wed 22/1006:00ANC - LHR

2 stops26h 40mScandinavian Airlines

Deal found 30/4£694

Sat 14/609:30LHR - ANC

1 stop15h 40mMultiple Airlines

Sat 21/618:15ANC - LHR

1 stop13h 25mMultiple Airlines

Deal found 29/4£698

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

Fri 16/512:40LHR - ANC

3 stops35h 57mAir Canada

Sat 31/516:40ANC - LHR

3 stops28h 50mAir Canada

Deal found 30/4£935

Mon 1/913:25LHR - FAI

1 stop19h 38mVirgin Atlantic

Sat 27/922:05FAI - LHR

2 stops23h 15mVirgin Atlantic

Deal found 29/4£1,113

Tue 1/709:45LHR - ANC

2 stops21h 58mFinnair

Tue 22/720:11ANC - LHR

2 stops25h 04mFinnair

Deal found 30/4£1,182

Mon 12/508:20LHR - ANC

1 stop19h 50mBritish Airways

Mon 2/621:48ANC - LHR

1 stop24h 32mBritish Airways

Deal found 29/4£1,186

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 21/509:55LHR - FAI

2 stops23h 33mDelta

Tue 27/501:45FAI - LHR

1 stop27h 30mDelta

Deal found 30/4£1,236

Wed 8/1006:30LHR - ANC

2 stops18h 52mKLM

Tue 21/1000:40ANC - LHR

1 stop28h 35mKLM

Deal found 29/4£1,245

Wed 21/521:25LHR - FAI

2 stops35h 59mIcelandair

Wed 28/512:10FAI - LHR

2 stops23h 10mIcelandair

Deal found 30/4£852

Last-minute flights from Heathrow to Alaska
Discover last-minute flight deals from Heathrow 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 30/408:40LHR - ANC

2 stops19h 26mKLM

Tue 6/500:55ANC - LHR

1 stop28h 20mKLM

Deal found 29/4£1,475

Mon 12/521:25LHR - ANC

2 stops37h 03mIcelandair

Mon 2/612:20ANC - LHR

2 stops23h 00mIcelandair

Deal found 29/4£963

Fri 16/509:55LHR - ANC

2 stops23h 03mMultiple Airlines

Fri 30/502:28ANC - LHR

2 stops29h 47mMultiple Airlines

Deal found 30/4£820

Fri 16/512:40LHR - ANC

3 stops35h 57mAir Canada

Sat 31/516:40ANC - LHR

3 stops28h 50mAir Canada

Deal found 30/4£935

Wed 21/521:25LHR - FAI

2 stops35h 59mIcelandair

Wed 28/512:10FAI - LHR

2 stops23h 10mIcelandair

Deal found 30/4£852

Wed 21/512:40LHR - FAI

2 stops40h 15mUnited Airlines

Wed 28/521:10FAI - LHR

1 stop26h 10mUnited Airlines

Deal found 30/4£1,228

Wed 21/509:55LHR - FAI

2 stops23h 33mDelta

Tue 27/501:45FAI - LHR

1 stop27h 30mDelta

Deal found 30/4£1,236

Wed 21/516:30LHR - FAI

1 stop16h 54mBritish Airways

Wed 28/512:10FAI - LHR

1 stop16h 30mBritish Airways

Deal found 30/4£1,348

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 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 30 April 2025.

Mon 26/521:25LHR - ANC

3 stops34h 55mMultiple Airlines

Deal found 29/4£491

Mon 1/906:40LHR - FAI

3 stops25h 07mMultiple Airlines

Deal found 30/4£673

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

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 Heathrow Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

06:40-01:45

2 stops28h 05m

Anchorage

Wed 22/10

06:00-17:40

2 stops26h 40m

£694

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

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

LHR - FAI

LHRFAI

London Heathrow

Wed 21/5

21:25-00:24

2 stops35h 59m

Fairbanks

Wed 28/5

12:10-20:20

2 stops23h 10m

£852

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

LHR - ANC

LHRANC

London Heathrow

Fri 16/5

12:40-15:37

3 stops35h 57m

Anchorage

Sat 31/5

16:40-06:30

3 stops28h 50m

£935

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Mon 1/9

13:25-00:03

1 stop19h 38m

Fairbanks

Sat 27/9

22:05-06:20

2 stops23h 15m

£1,113

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/7

09:45-22:43

2 stops21h 58m

Anchorage

Tue 22/7

20:11-06:15

2 stops25h 04m

£1,182

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 12/5

08:20-19:10

1 stop19h 50m

Anchorage

Mon 2/6

21:48-07:20

1 stop24h 32m

£1,186

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

7,936 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

7,936 reviews

Delta

8.0

Very Good

7,936 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

7,936 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

7,936 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

7,936 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

7.4

Good

642 reviews

Delta

8.0

Very Good

7,936 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 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 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 6 airlines flying from Heathrow 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£771	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 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 £491

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 26/5. 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 30 April 2025.

Round-trip from

One-way 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 30 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 30 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 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 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 6 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 30 April 2025.