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

The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £422. However, be on the lookout for offers from British Airways and KLM, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.

What are the most popular routes from Alaska to London Heathrow Airport?

While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.

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

To save on the cost of your flight from Alaska to London Heathrow Airport, book at least 18 days before your planned departure. Booking around this time can save you about 184% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £1,105 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £1,454.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Alaska in October are about £814 on average during October, but can be found for as low as £505.

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

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

How can I find direct flights from Alaska to Heathrow?

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

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

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

£374+ Flights from Alaska to London Heathrow Airport

Cheap flight deals from Alaska to Heathrow

Round-trip from	£718
One-way from	£374
Popular in	June
Cheapest in	October
Average price	£717

Virgin Atlantic
20/4-6/5
2 total stops
43h 11m total
Alaska to London

Search Deals

18/7
2 total stops
37h 01m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£162 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Alaska to Heathrow

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

Mon 20/1010:00ANC - LHR

2 stops16h 55mIcelandair

Mon 27/1020:40LHR - ANC

2 stops33h 47mIcelandair

Deal found 29/3£708

Sun 20/405:55ANC - LHR

1 stop23h 20mVirgin Atlantic

Tue 6/513:25LHR - ANC

1 stop19h 51mVirgin Atlantic

Deal found 30/3£718

Tue 22/401:40FAI - LHR

1 stop24h 40mDelta

Wed 7/509:55LHR - FAI

2 stops23h 33mDelta

Deal found 30/3£748

Sat 19/401:26ANC - LHR

1 stop27h 49mKLM

Tue 6/509:55LHR - ANC

2 stops23h 21mKLM

Deal found 30/3£754

Mon 28/405:00ANC - LHR

2 stops21h 55mMultiple Airlines

Mon 5/521:25LHR - ANC

2 stops34h 07mMultiple Airlines

Deal found 29/3£762

Tue 6/521:48ANC - LHR

1 stop24h 02mBritish Airways

Mon 19/520:15LHR - ANC

2 stops33h 32mBritish Airways

Deal found 30/3£765

Mon 20/1023:55ANC - LHR

1 stop24h 45mUnited Airlines

Mon 27/1014:30LHR - ANC

2 stops40h 04mUnited Airlines

Deal found 29/3£787

Sun 27/401:26ANC - LHR

2 stops22h 49mDelta

Mon 5/508:40LHR - ANC

2 stops19h 26mDelta

Deal found 29/3£789

Tue 6/521:59ANC - LHR

3 stops23h 31mAir Canada

Mon 19/517:40LHR - ANC

2 stops30h 57mAir Canada

Deal found 30/3£864

Sat 10/501:55ANC - LHR

1 stop19h 55mAmerican Airlines

Sun 18/511:05LHR - ANC

1 stop18h 42mAmerican Airlines

Deal found 29/3£952

Sun 3/805:52FAI - LHR

1 stop15h 58mMultiple Airlines

Sat 16/818:10LHR - FAI

2 stops37h 26mMultiple Airlines

Deal found 29/3£1,014

Sun 3/810:05FAI - LHR

2 stops22h 00mFinnair

Sat 16/818:10LHR - FAI

2 stops37h 26mFinnair

Deal found 29/3£1,024

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

Sun 20/405:55ANC - LHR

1 stop23h 20mVirgin Atlantic

Tue 6/513:25LHR - ANC

1 stop19h 51mVirgin Atlantic

Deal found 30/3£718

Tue 22/401:40FAI - LHR

1 stop24h 40mDelta

Wed 7/509:55LHR - FAI

2 stops23h 33mDelta

Deal found 30/3£748

Sat 19/401:26ANC - LHR

1 stop27h 49mKLM

Tue 6/509:55LHR - ANC

2 stops23h 21mKLM

Deal found 30/3£754

Mon 28/405:00ANC - LHR

2 stops21h 55mMultiple Airlines

Mon 5/521:25LHR - ANC

2 stops34h 07mMultiple Airlines

Deal found 29/3£762

Tue 6/521:48ANC - LHR

1 stop24h 02mBritish Airways

Mon 19/520:15LHR - ANC

2 stops33h 32mBritish Airways

Deal found 30/3£765

Sun 4/510:00ANC - LHR

2 stops25h 20mIcelandair

Sat 17/521:25LHR - ANC

2 stops34h 09mIcelandair

Deal found 29/3£779

Mon 8/916:35ANC - LHR

1 stop35h 45mUnited Airlines

Mon 22/913:30LHR - ANC

2 stops35h 16mUnited Airlines

Deal found 28/3£805

Tue 6/521:59ANC - LHR

3 stops23h 31mAir Canada

Mon 19/517:40LHR - ANC

2 stops30h 57mAir Canada

Deal found 30/3£864

Sat 10/501:55ANC - LHR

1 stop19h 55mAmerican Airlines

Sun 18/511:05LHR - ANC

1 stop18h 42mAmerican Airlines

Deal found 29/3£951

Sun 3/810:05FAI - LHR

2 stops22h 00mFinnair

Sat 16/818:10LHR - FAI

2 stops37h 26mFinnair

Deal found 29/3£1,024

Sat 12/706:00ANC - LHR

3 stops26h 40mScandinavian Airlines

Sat 26/706:40LHR - ANC

2 stops25h 24mScandinavian Airlines

Deal found 29/3£1,453

Sun 27/401:26ANC - LHR

2 stops22h 49mDelta

Mon 5/508:40LHR - ANC

2 stops19h 26mDelta

Deal found 29/3£789

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

Mon 31/320:30ANC - LHR

2 stops28h 30mUnited Airlines

Mon 7/409:00LHR - ANC

2 stops43h 21mUnited Airlines

Deal found 30/3£888

Tue 8/401:05ANC - LHR

2 stops20h 40mDelta

Sun 20/406:30LHR - ANC

2 stops21h 36mDelta

Deal found 29/3£1,164

Tue 8/400:31ANC - LHR

1 stop21h 19mMultiple Airlines

Sun 20/409:45LHR - ANC

1 stop17h 45mMultiple Airlines

Deal found 29/3£1,326

Tue 8/400:31ANC - LHR

1 stop21h 19mAmerican Airlines

Sun 20/409:45LHR - ANC

1 stop16h 47mAmerican Airlines

Deal found 30/3£1,326

Wed 9/405:55ANC - LHR

1 stop23h 20mKLM

Sun 20/408:40LHR - ANC

2 stops19h 26mKLM

Deal found 29/3£1,160

Thu 10/420:30ANC - LHR

2 stops28h 30mAir Canada

Sun 20/414:05LHR - ANC

2 stops38h 16mAir Canada

Deal found 29/3£1,209

Wed 16/407:00FAI - LHR

2 stops18h 30mAmerican Airlines

Sun 27/409:45LHR - FAI

1 stop19h 59mAmerican Airlines

Deal found 29/3£1,216

Sat 19/401:26ANC - LHR

1 stop27h 49mKLM

Tue 6/509:55LHR - ANC

2 stops23h 21mKLM

Deal found 30/3£754

Sun 20/405:55ANC - LHR

1 stop23h 20mVirgin Atlantic

Tue 6/513:25LHR - ANC

1 stop19h 51mVirgin Atlantic

Deal found 30/3£718

Tue 22/401:40FAI - LHR

1 stop24h 40mDelta

Wed 7/509:55LHR - FAI

2 stops23h 33mDelta

Deal found 30/3£748

Wed 23/412:11FAI - LHR

1 stop16h 29mMultiple Airlines

Wed 7/509:50LHR - FAI

1 stop19h 54mMultiple Airlines

Deal found 30/3£1,048

Thu 24/406:00FAI - LHR

1 stop15h 50mBritish Airways

Wed 7/510:20LHR - FAI

2 stops24h 30mBritish Airways

Deal found 29/3£1,027

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

Fri 18/700:54ANC - LHR

2 stops37h 01mMultiple Airlines

Deal found 30/3£374

Wed 30/706:05ANC - LHR

1 stop19h 45mFinnair

Deal found 29/3£422

Sat 19/721:48ANC - LHR

2 stops29h 17mBritish Airways

Deal found 30/3£429

Mon 28/405:55ANC - LHR

1 stop23h 20mKLM

Deal found 29/3£453

Wed 17/906:00ANC - LHR

2 stops30h 40mScandinavian Airlines

Deal found 28/3£506

Mon 28/420:30ANC - LHR

3 stops25h 00mAir Canada

Deal found 29/3£525

Mon 8/916:35ANC - LHR

1 stop35h 45mUnited Airlines

Deal found 30/3£539

Tue 29/700:40ANC - LHR

2 stops21h 05mDelta

Deal found 29/3£542

Tue 13/501:31ANC - LHR

1 stop20h 19mAmerican Airlines

Deal found 30/3£623

Fri 18/701:29ANC - LHR

1 stop20h 26mAlaska Airlines

Deal found 30/3£666

Tue 13/501:30FAI - LHR

3 stops59h 20mMultiple Airlines

Deal found 29/3£1,497

Wed 14/506:00FAI - LHR

1 stop22h 40mBritish Airways

Deal found 29/3£2,049

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 20/4

05:55-14:15

1 stop23h 20m

London Heathrow

Tue 6/5

13:25-00:16

1 stop19h 51m

£718

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 22/4

01:40-11:20

1 stop24h 40m

London Heathrow

Wed 7/5

09:55-00:28

2 stops23h 33m

£748

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 19/4

01:26-14:15

1 stop27h 49m

London Heathrow

Tue 6/5

09:55-00:16

2 stops23h 21m

£754

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 28/4

05:00-11:55

2 stops21h 55m

London Heathrow

Mon 5/5

21:25-22:32

2 stops34h 07m

£762

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 6/5

21:48-06:50

1 stop24h 02m

London Heathrow

Mon 19/5

20:15-20:47

2 stops33h 32m

£765

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 4/5

10:00-20:20

2 stops25h 20m

London Heathrow

Sat 17/5

21:25-22:34

2 stops34h 09m

£779

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 27/4

01:26-09:15

2 stops22h 49m

London Heathrow

Mon 5/5

08:40-19:06

2 stops19h 26m

£789

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 8/9

16:35-13:20

1 stop35h 45m

London Heathrow

Mon 22/9

13:30-15:46

2 stops35h 16m

£805

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 6/5

21:59-06:30

3 stops23h 31m

London Heathrow

Mon 19/5

17:40-15:37

2 stops30h 57m

£864

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 10/5

01:55-06:50

1 stop19h 55m

London Heathrow

Sun 18/5

11:05-20:47

1 stop18h 42m

£951

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 31 results

Best time to book a flight from Alaska to Heathrow

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

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

Currently, January is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £112). Flying from Alaska to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

When flying from Alaska to London Heathrow Airport, 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 Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, 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).

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Alaska to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very Good

9,808 reviews

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very Good

7,897 reviews

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM

7.8

Good

1,321 reviews

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Finnair

7.6

Good

1,267 reviews

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air France

7.4

Good

1,425 reviews

Alaska Airlines

8.0

Very Good

9,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Alaska to London Heathrow Airport one-way?
The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as £422. However, be on the lookout for offers from British Airways and KLM, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.
What are the most popular routes from Alaska to London Heathrow Airport?
While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.
Can I find deals for flights from Alaska to Heathrow that include hotel bookings?
Yes. In addition to deals on Alaska to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Alaska to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to Heathrow.
Can I find deals for business class flights from Alaska to Heathrow?
Yes. Cheapflights offers flight deals from Alaska to Heathrow 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 Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £112). Flying from Alaska to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Northampton

Swindon

Hayes

Ilford

Crawley

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Winchester

Maidstone

Ipswich

Watford

Southall

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Heathrow.

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

Certainly. Search results for flights to Heathrow from Alaska shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Alaska to Heathrow 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 Alaska to London Heathrow Airport from £374

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Alaska to Heathrow

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to Heathrow

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

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

Cheapflights Fare Finder

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

Best time to book a flight from Alaska to Heathrow

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

Cheapflights Insights

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

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

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

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

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Alaska to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Alaska to Heathrow. 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 Alaska to London Heathrow Airport one-way?

What are the most popular routes from Alaska to London Heathrow Airport?

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

How can I find direct flights from Alaska to Heathrow?

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

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

Travelling to a place near Alaska?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alaska to Heathrow

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 Heathrow?

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

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

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

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