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

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £339. However, be on the lookout for offers from Air Canada and KLM, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.

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.

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).

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 43 days before your planned departure. Booking around this time can save you about 177% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £1,053 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £1,385.

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 August. 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 £786 on average during October, but can be found for as low as £500.

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.

£283+ Flights from Alaska to London Heathrow Airport

Cheap flight deals from Alaska to Heathrow

Round-trip from	£519
One-way from	£283
Popular in	August
Cheapest in	October
Average price	£932

Lufthansa
4/8-20/8
3 total stops
34h 51m total
Alaska to London

Search Deals

9/9
2 total stops
19h 00m total
Alaska to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£81 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 11 July 2025.

Mon 4/823:59ANC - LHR

2 stops21h 31mMultiple Airlines

Wed 20/808:30LHR - ANC

1 stop13h 20mMultiple Airlines

Deal found 9/7£519

Wed 1/1006:00ANC - LHR

3 stops27h 30mScandinavian Airlines

Wed 15/1006:40LHR - ANC

2 stops25h 35mScandinavian Airlines

Deal found 10/7£524

Mon 4/820:16ANC - LHR

1 stop15h 24mUnited Airlines

Wed 20/809:30LHR - ANC

1 stop12h 20mUnited Airlines

Deal found 10/7£534

Sun 24/820:49ANC - LHR

1 stop24h 31mLufthansa

Sun 31/807:25LHR - ANC

2 stops24h 16mLufthansa

Deal found 10/7£542

Mon 4/801:40ANC - LHR

1 stop24h 40mDelta

Tue 12/806:15LHR - ANC

2 stops28h 17mDelta

Deal found 9/7£546

Wed 1/1006:00ANC - LHR

1 stop23h 15mKLM

Wed 15/1006:30LHR - ANC

2 stops21h 40mKLM

Deal found 10/7£556

Sun 24/821:54ANC - LHR

1 stop24h 26mBritish Airways

Sun 31/806:10LHR - ANC

2 stops25h 56mBritish Airways

Deal found 10/7£573

Mon 27/1021:07ANC - LHR

2 stops26h 03mAir Canada

Mon 10/1113:25LHR - ANC

2 stops39h 34mAir Canada

Deal found 9/7£581

Sat 2/801:50FAI - LHR

1 stop24h 30mDelta

Sat 16/811:30LHR - FAI

2 stops22h 20mDelta

Deal found 10/7£584

Sat 23/820:53FAI - LHR

2 stops24h 37mUnited Airlines

Sat 30/809:00LHR - FAI

2 stops43h 48mUnited Airlines

Deal found 9/7£586

Sat 2/801:50FAI - LHR

2 stops19h 55mMultiple Airlines

Sat 16/812:25LHR - FAI

1 stop17h 30mMultiple Airlines

Deal found 9/7£593

Sat 23/806:00ANC - LHR

1 stop20h 20mVirgin Atlantic

Sat 30/817:25LHR - ANC

1 stop17h 07mVirgin Atlantic

Deal found 9/7£596

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 11 July 2025.

Mon 4/823:59ANC - LHR

2 stops21h 31mMultiple Airlines

Wed 20/808:30LHR - ANC

1 stop13h 20mMultiple Airlines

Deal found 9/7£519

Wed 1/1006:00ANC - LHR

3 stops27h 30mScandinavian Airlines

Wed 15/1006:40LHR - ANC

2 stops25h 35mScandinavian Airlines

Deal found 10/7£524

Mon 4/820:16ANC - LHR

1 stop15h 24mUnited Airlines

Wed 20/809:30LHR - ANC

1 stop12h 20mUnited Airlines

Deal found 10/7£534

Sun 24/820:49ANC - LHR

1 stop24h 31mLufthansa

Sun 31/807:25LHR - ANC

2 stops24h 16mLufthansa

Deal found 10/7£542

Mon 4/801:40ANC - LHR

1 stop24h 40mDelta

Tue 12/806:15LHR - ANC

2 stops28h 17mDelta

Deal found 9/7£546

Wed 1/1006:00ANC - LHR

1 stop23h 15mKLM

Wed 15/1006:30LHR - ANC

2 stops21h 40mKLM

Deal found 10/7£556

Sun 24/821:54ANC - LHR

1 stop24h 26mBritish Airways

Sun 31/806:10LHR - ANC

2 stops25h 56mBritish Airways

Deal found 10/7£573

Mon 27/1021:07ANC - LHR

2 stops26h 03mAir Canada

Mon 10/1113:25LHR - ANC

2 stops39h 34mAir Canada

Deal found 9/7£581

Sat 23/806:00ANC - LHR

1 stop20h 20mVirgin Atlantic

Sat 30/817:25LHR - ANC

1 stop17h 07mVirgin Atlantic

Deal found 9/7£596

Wed 3/906:00ANC - LHR

1 stop22h 10mAir France

Wed 10/906:15LHR - ANC

2 stops19h 09mAir France

Deal found 11/7£620

Sun 3/812:17FAI - LHR

1 stop16h 23mAmerican Airlines

Sat 16/809:50LHR - FAI

1 stop19h 35mAmerican Airlines

Deal found 9/7£664

Sat 2/801:50FAI - LHR

1 stop24h 30mDelta

Sat 16/811:30LHR - FAI

2 stops22h 20mDelta

Deal found 10/7£584

Last-minute flights from Alaska to Heathrow
Discover last-minute flight deals from Alaska to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Sat 2/801:50FAI - LHR

1 stop24h 30mDelta

Sat 16/811:30LHR - FAI

2 stops22h 20mDelta

Deal found 10/7£584

Sat 2/801:50FAI - LHR

2 stops19h 55mMultiple Airlines

Sat 16/812:25LHR - FAI

1 stop17h 30mMultiple Airlines

Deal found 9/7£593

Sun 3/812:17FAI - LHR

1 stop16h 23mAmerican Airlines

Sat 16/809:50LHR - FAI

1 stop19h 35mAmerican Airlines

Deal found 9/7£664

Mon 4/823:59ANC - LHR

2 stops21h 31mMultiple Airlines

Wed 20/808:30LHR - ANC

1 stop13h 20mMultiple Airlines

Deal found 9/7£519

Mon 4/820:16ANC - LHR

1 stop15h 24mUnited Airlines

Wed 20/809:30LHR - ANC

1 stop12h 20mUnited Airlines

Deal found 10/7£534

Mon 4/801:40ANC - LHR

1 stop24h 40mDelta

Tue 12/806:15LHR - ANC

2 stops28h 17mDelta

Deal found 9/7£546

Fri 8/816:40ANC - LHR

2 stops58h 10mAir Canada

Mon 18/815:50LHR - ANC

2 stops56h 57mAir Canada

Deal found 9/7£656

Sat 23/820:53FAI - LHR

2 stops24h 37mUnited Airlines

Sat 30/809:00LHR - FAI

2 stops43h 48mUnited Airlines

Deal found 9/7£586

Sat 23/806:00ANC - LHR

1 stop20h 20mVirgin Atlantic

Sat 30/817:25LHR - ANC

1 stop17h 07mVirgin Atlantic

Deal found 9/7£596

Sun 24/820:49ANC - LHR

1 stop24h 31mLufthansa

Sun 31/807:25LHR - ANC

2 stops24h 16mLufthansa

Deal found 10/7£542

Sun 24/821:54ANC - LHR

1 stop24h 26mBritish Airways

Sun 31/806:10LHR - ANC

2 stops25h 56mBritish Airways

Deal found 10/7£573

Mon 25/806:00ANC - LHR

1 stop22h 10mKLM

Mon 1/909:20LHR - ANC

1 stop18h 39mKLM

Deal found 11/7£584

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 11 July 2025.

Tue 9/916:20ANC - LHR

2 stops19h 00mMultiple Airlines

Deal found 9/7£283

Mon 22/921:53ANC - LHR

1 stop26h 12mBritish Airways

Deal found 9/7£339

Sat 2/816:40ANC - LHR

1 stop35h 40mAir Canada

Deal found 11/7£340

Sun 10/806:00ANC - LHR

1 stop22h 10mKLM

Deal found 9/7£343

Mon 8/916:46ANC - LHR

2 stops18h 34mIcelandair

Deal found 10/7£352

Mon 8/906:00ANC - LHR

2 stops42h 20mScandinavian Airlines

Deal found 10/7£367

Sun 7/900:42ANC - LHR

2 stops21h 03mDelta

Deal found 10/7£402

Wed 30/706:00ANC - LHR

1 stop22h 10mVirgin Atlantic

Deal found 10/7£451

Wed 17/923:59ANC - LHR

2 stops45h 31mUnited Airlines

Deal found 10/7£458

Tue 16/900:55ANC - LHR

2 stops26h 10mWestJet

Deal found 9/7£478

Sat 9/800:55ANC - LHR

1 stop20h 55mAlaska Airlines

Deal found 9/7£675

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

Mon 4/8

23:59-06:30

2 stops21h 31m

London Heathrow

Wed 20/8

08:30-12:50

1 stop13h 20m

£519

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 1/10

06:00-18:30

3 stops27h 30m

London Heathrow

Wed 15/10

06:40-23:15

2 stops25h 35m

£524

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/8

20:16-20:40

1 stop15h 24m

London Heathrow

Wed 20/8

09:30-12:50

1 stop12h 20m

£534

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 24/8

20:49-06:20

1 stop24h 31m

London Heathrow

Sun 31/8

07:25-22:41

2 stops24h 16m

£542

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/8

01:40-11:20

1 stop24h 40m

London Heathrow

Tue 12/8

06:15-01:32

2 stops28h 17m

£546

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 1/10

06:00-14:15

1 stop23h 15m

London Heathrow

Wed 15/10

06:30-19:10

2 stops21h 40m

£556

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 24/8

21:54-07:20

1 stop24h 26m

London Heathrow

Sun 31/8

06:10-23:06

2 stops25h 56m

£573

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 27/10

21:07-07:10

2 stops26h 03m

London Heathrow

Mon 10/11

13:25-19:59

2 stops39h 34m

£581

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 2/8

01:50-11:20

1 stop24h 30m

London Heathrow

Sat 16/8

11:30-00:50

2 stops22h 20m

£584

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 23/8

20:53-06:30

2 stops24h 37m

London Heathrow

Sat 30/8

09:00-19:48

2 stops43h 48m

£586

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 34 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.

How much does it cost for a return flight from Alaska to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Delta, Alaska Airlines, andKLM from Alaska to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,951 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Alaska Airlines

8.0

Very Good

10,000 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,467 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,846 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 British Airways, with whom users have recently found tickets for as low as £339. However, be on the lookout for offers from Air Canada 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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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 £283

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 9/9. 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 11 July 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 11 July 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 11 July 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 11 July 2025.

How much does it cost for a return flight from Alaska to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Delta, Alaska Airlines, andKLM from Alaska to London Heathrow Airport. 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 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?

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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.

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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 11 July 2025.