What are the cheapest airlines to fly from Alaska to London 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 for a low price.

What are the most popular routes from Alaska to London?

While some choose either Anchorage - London Gatwick or Anchorage - London City, Anchorage - London Heathrow is the most popular route from Alaska to London.

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

Users have found that booking a flight from Alaska to London at least 18 days early can save you up to 184% on average compared to booking a flight this week. If booking 18 days before your flight isn’t an option for you, users have found flights from Alaska to London for as little as £1,106 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £1,454 for flights departing within the next 3 days.

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

Our data shows that October tends to be the cheapest month to fly to London from Alaska. Users have commonly found prices around £814 for the month, but tickets can be as low as £505. Due to multiple factors, prepare for potentially higher prices in June.

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

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

How can I find direct flights from Alaska to London?

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

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

Yes. Cheapflights offers flight deals from Alaska to London 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

Cheap flight deals from Alaska to London

Round-trip from	£705
One-way from	£374
Popular in	June
Cheapest in	October
Average price	£717

29/4-6/5
4 total stops
51h 44m 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 London

Cheapest flights from Alaska to London
Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Tue 29/405:00ANC - LHR

2 stops21h 55mMultiple Airlines

Tue 6/513:05LHR - ANC

2 stops29h 49mMultiple Airlines

Deal found 31/3£705

Mon 20/1010:00ANC - LHR

2 stops16h 55mIcelandair

Mon 27/1020:40LHR - ANC

2 stops33h 47mIcelandair

Deal found 30/3£708

Sun 20/405:55ANC - LHR

1 stop23h 20mVirgin Atlantic

Tue 6/513:25LHR - ANC

1 stop19h 51mVirgin Atlantic

Deal found 30/3£718

Sat 10/500:37ANC - LGW

1 stop25h 18mMultiple Airlines

Sun 18/510:55LGW - ANC

1 stop22h 25mMultiple Airlines

Deal found 29/3£734

Fri 24/1010:00ANC - LGW

2 stops19h 40mIcelandair

Thu 30/1011:55LGW - ANC

2 stops18h 32mIcelandair

Deal found 31/3£742

Tue 29/405:55ANC - LHR

1 stop23h 20mKLM

Tue 6/508:40LHR - ANC

2 stops24h 36mKLM

Deal found 31/3£746

Tue 28/1023:55ANC - LHR

2 stops23h 15mUnited Airlines

Tue 11/1106:30LHR - ANC

2 stops25h 04mUnited Airlines

Deal found 30/3£747

Tue 22/401:40FAI - LHR

1 stop24h 40mDelta

Wed 7/509:55LHR - FAI

2 stops23h 33mDelta

Deal found 30/3£748

Mon 28/401:26ANC - LHR

2 stops22h 24mDelta

Tue 6/506:30LHR - ANC

2 stops21h 36mDelta

Deal found 31/3£750

Tue 6/521:48ANC - LHR

1 stop24h 02mBritish Airways

Mon 19/520:15LHR - ANC

2 stops33h 32mBritish Airways

Deal found 30/3£765

Tue 28/1006:10ANC - LCY

2 stops18h 00mKLM

Tue 11/1109:20LCY - ANC

2 stops19h 29mKLM

Deal found 30/3£782

Tue 6/521:59ANC - LHR

3 stops23h 31mAir Canada

Mon 19/517:40LHR - ANC

2 stops30h 57mAir Canada

Deal found 30/3£864

Best flights from Alaska to London
Discover carefully curated flight deals from Alaska to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 March 2025.

Tue 29/405:00ANC - LHR

2 stops21h 55mMultiple Airlines

Tue 6/513:05LHR - ANC

2 stops29h 49mMultiple Airlines

Deal found 31/3£705

Sun 20/405:55ANC - LHR

1 stop23h 20mVirgin Atlantic

Tue 6/513:25LHR - ANC

1 stop19h 51mVirgin Atlantic

Deal found 30/3£718

Tue 29/405:55ANC - LHR

1 stop23h 20mKLM

Tue 6/508:40LHR - ANC

2 stops24h 36mKLM

Deal found 31/3£746

Tue 22/401:40FAI - LHR

1 stop24h 40mDelta

Wed 7/509:55LHR - FAI

2 stops23h 33mDelta

Deal found 30/3£748

Tue 29/410:00ANC - LGW

2 stops19h 40mIcelandair

Tue 6/513:00LGW - ANC

2 stops18h 32mIcelandair

Deal found 31/3£762

Tue 6/521:48ANC - LHR

1 stop24h 02mBritish Airways

Mon 19/520:15LHR - ANC

2 stops33h 32mBritish Airways

Deal found 30/3£765

Tue 6/521:59ANC - LHR

3 stops23h 31mAir Canada

Mon 19/517:40LHR - ANC

2 stops30h 57mAir Canada

Deal found 30/3£864

Mon 19/516:40ANC - LHR

1 stop35h 40mUnited Airlines

Sun 25/507:45LHR - ANC

2 stops22h 37mUnited Airlines

Deal found 29/3£923

Sat 10/501:55ANC - LHR

1 stop19h 55mAmerican Airlines

Sun 18/511:05LHR - ANC

1 stop18h 42mAmerican Airlines

Deal found 29/3£951

Wed 21/506:05ANC - LHR

3 stops26h 35mScandinavian Airlines

Wed 4/606:40LHR - ANC

2 stops27h 52mScandinavian Airlines

Deal found 31/3£1,187

Sat 10/500:37ANC - LGW

1 stop25h 18mMultiple Airlines

Sun 18/510:55LGW - ANC

1 stop22h 25mMultiple Airlines

Deal found 29/3£734

Mon 28/401:26ANC - LHR

2 stops22h 24mDelta

Tue 6/506:30LHR - ANC

2 stops21h 36mDelta

Deal found 31/3£750

Last-minute flights from Alaska to London
Discover last-minute flight deals from Alaska to London. Data last updated 31 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

Mon 31/307:00ANC - LCY

2 stops24h 25mMultiple Airlines

Mon 7/408:45LCY - ANC

2 stops22h 52mMultiple Airlines

Deal found 30/3£1,126

Tue 8/401:05ANC - LHR

2 stops21h 10mDelta

Sun 20/406:30LHR - ANC

2 stops21h 36mDelta

Deal found 31/3£1,164

Tue 8/400:31ANC - LHR

1 stop21h 19mAmerican Airlines

Sun 20/409:45LHR - ANC

1 stop16h 47mAmerican Airlines

Deal found 30/3£1,327

Wed 9/405:55ANC - LHR

1 stop23h 20mKLM

Sun 20/406:30LHR - ANC

2 stops21h 36mKLM

Deal found 31/3£1,160

Wed 9/402:31ANC - LHR

1 stop19h 19mMultiple Airlines

Sun 20/409:45LHR - ANC

1 stop16h 47mMultiple Airlines

Deal found 30/3£1,373

Thu 10/420:30ANC - LHR

1 stop27h 30mBritish Airways

Sun 20/408:20LHR - ANC

1 stop20h 00mBritish Airways

Deal found 31/3£1,213

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

Thu 24/406:00FAI - LHR

1 stop15h 50mMultiple Airlines

Wed 7/509:50LHR - FAI

1 stop25h 00mMultiple Airlines

Deal found 30/3£1,020

Thu 24/406:00FAI - LHR

2 stops19h 30mAmerican Airlines

Wed 7/509:50LHR - FAI

1 stop19h 54mAmerican Airlines

Deal found 30/3£1,024

Thu 24/406:00FAI - LHR

2 stops19h 30mBritish Airways

Wed 7/507:30LHR - FAI

2 stops27h 20mBritish Airways

Deal found 30/3£1,050

One-way flights from Alaska to London
Search for one-way flight options from Alaska to London. Find affordable one-way fares based on user searches. Data last updated 31 March 2025.

Fri 18/700:54ANC - LHR

2 stops37h 01mMultiple Airlines

Deal found 30/3£374

Mon 28/701:55JNU - LHR

3 stops32h 05mMultiple Airlines

Deal found 30/3£391

Wed 30/407:05ANC - LGW

2 stops38h 15mMultiple Airlines

Deal found 29/3£400

Wed 30/407:05ANC - STN

3 stops39h 40mMultiple Airlines

Deal found 29/3£421

Wed 30/706:05ANC - LHR

1 stop17h 55mFinnair

Deal found 30/3£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 30/3£453

Mon 14/414:00ANC - LHR

2 stops21h 00mDelta

Deal found 30/3£494

Mon 28/420:30ANC - LCY

2 stops39h 15mBritish Airways

Deal found 30/3£495

Sun 13/400:39ANC - LCY

3 stops36h 01mMultiple Airlines

Deal found 30/3£499

Mon 14/423:44ANC - LHR

1 stop27h 36mUnited Airlines

Deal found 30/3£515

Mon 14/420:30ANC - LCY

2 stops31h 00mUnited Airlines

Deal found 30/3£520

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 29/4

05:00-11:55

2 stops21h 55m

London Heathrow

Tue 6/5

13:05-09:54

2 stops29h 49m

£705

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

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sat 10/5

00:37-10:55

1 stop25h 18m

London Gatwick

Sun 18/5

10:55-00:20

1 stop22h 25m

£734

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 29/4

05:55-14:15

1 stop23h 20m

London Heathrow

Tue 6/5

08:40-00:16

2 stops24h 36m

£746

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

Mon 28/4

01:26-08:50

2 stops22h 24m

London Heathrow

Tue 6/5

06:30-19:06

2 stops21h 36m

£750

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Tue 29/4

10:00-14:40

2 stops19h 40m

London Gatwick

Tue 6/5

13:00-22:32

2 stops18h 32m

£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 11/5

10:00-20:20

2 stops25h 20m

London Heathrow

Sun 18/5

13:05-22:34

2 stops18h 29m

£802

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

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 38 results

Best time to book a flight from Alaska to London

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

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

Currently, January is the cheapest month in which you can book a flight from Alaska to London (average of £112). Flying from Alaska to London 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 LON?

When flying from Alaska to London, 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 London by month

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

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Alaska to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very Good

9,811 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

9,811 reviews

Alaska Airlines

8.0

Very Good

9,811 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

7,899 reviews

Alaska Airlines

8.0

Very Good

9,811 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

9,811 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

9,811 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

United Airlines

7.4

Good

8,614 reviews

Alaska Airlines

8.0

Very Good

9,811 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 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 for a low price.
What are the most popular routes from Alaska to London?
While some choose either Anchorage - London Gatwick or Anchorage - London City, Anchorage - London Heathrow is the most popular route from Alaska to London.
Can I find deals for flights from Alaska to London that include hotel bookings?
Yes. In addition to deals on Alaska to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Alaska to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to London.
Can I find deals for business class flights from Alaska to London?
Yes. Cheapflights offers flight deals from Alaska to London 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?
Currently, January is the cheapest month in which you can book a flight from Alaska to London (average of £112). Flying from Alaska to London 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Croydon

Slough

Eastbourne

Wembley

Crawley

Winchester

Southend-on-Sea

Maidstone

Hayes

Ipswich

Ilford

Southall

Dartford

Watford

Folkestone

Browse thousands of different options on Cheapflights for your next trip

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

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Alaska to London for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Alaska to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Alaska to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Alaska to London 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 London

Keep the following information in mind while searching for Alaska to London flight deals. Data was last updated 31 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to London

Cheapest flights from Alaska to LondonExplore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Alaska to London

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Alaska to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 31 March 2025.

Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Alaska to London. Users have also rated airlines 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 London. 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 one-way?

What are the most popular routes from Alaska to London?

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

How can I find direct flights from Alaska to London?

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

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

Travelling to a place near 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 Alaska to London

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 London?

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

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

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

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Cheapest flights from Alaska to London
Explore the most affordable flight options available from Alaska to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.