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Cheap flights from Alaska to London from £302

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Alaska to London

Enter your travel dates to find the best prices.

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 11 November 2025.

Mon 1/1200:30ANC - LHR
1 stop25h 00mKLM
Tue 23/1212:20LHR - ANC
1 stop17h 17mKLM
Deal found 10/11£451
Mon 1/1200:30ANC - LHR
2 stops22h 20mDelta
Tue 23/1211:05LHR - ANC
2 stops21h 54mDelta
Deal found 10/11£455
Thu 13/1106:05ANC - LHR
1 stop16h 00mDelta
Thu 20/1106:20LHR - ANC
2 stops21h 26mDelta
Deal found 9/11£484
Wed 12/1100:30ANC - LHR
1 stop25h 00mKLM
Thu 20/1108:40LHR - ANC
2 stops19h 06mKLM
Deal found 9/11£485
Sun 7/1223:59ANC - LHR
2 stops21h 41mUnited Airlines
Sun 14/1207:40LHR - ANC
2 stops24h 16mUnited Airlines
Deal found 10/11£531
Sat 6/1200:30ANC - LHR
1 stop25h 00mKLM
Sun 14/1211:05LHR - ANC
1 stop16h 59mKLM
Deal found 10/11£593
Sat 6/1200:30ANC - LHR
2 stops23h 30mDelta
Sun 14/1213:00LHR - ANC
2 stops21h 53mDelta
Deal found 10/11£597
Wed 31/1201:30ANC - LHR
1 stop23h 10mUnited Airlines
Wed 7/118:00LHR - ANC
2 stops38h 15mUnited Airlines
Deal found 8/11£599
Thu 18/1213:10ANC - LHR
1 stop14h 40mVirgin Atlantic
Wed 14/111:05LHR - ANC
1 stop22h 45mVirgin Atlantic
Deal found 10/11£684
Thu 18/1206:05ANC - LHR
1 stop16h 00mDelta
Wed 14/106:20LHR - ANC
2 stops23h 24mDelta
Deal found 10/11£702
Tue 2/1223:59ANC - LCY
3 stops27h 56mMultiple Airlines
Tue 23/1218:15LCY - ANC
2 stops37h 41mMultiple Airlines
Deal found 10/11£778
Wed 31/1201:30ANC - LCY
3 stops22h 50mMultiple Airlines
Wed 7/117:40LCY - ANC
3 stops38h 35mMultiple Airlines
Deal found 8/11£819

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 11 November 2025.

Round-trip from

£451

One-way from

£302

Popular in

January

Cheapest in

November

Average price

£648
KLM
  • KLM
  • 1/12-23/12
  • 2 total stops
  • 42h 17m total
  • Alaska to London
Search Deals
United Airlines
  • United Airlines
  • 9/12
  • 2 total stops
  • 21h 41m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£107 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Alaska to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 November 2025.
Use the filters below to find and compare flights from Alaska to London that are best for you.

Fly from

Alaska

Fly to

London

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 1/12

00:30-07:50

2 stops22h 20m

London Heathrow

Tue 23/12

12:20-23:59

1 stop20h 39m

£455

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

13:15-12:50

1 stop14h 35m

London Heathrow

Mon 9/3

06:20-20:30

2 stops22h 10m

£490

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-10:30

1 stop24h 10m

London Heathrow

Mon 9/3

06:30-20:30

2 stops22h 00m

£491

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Tue 28/4

13:00-14:40

2 stops16h 40m

London Gatwick

Mon 11/5

15:40-01:28

2 stops42h 48m

£687

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 22/3

10:00-10:55

2 stops16h 55m

London Gatwick

Sat 4/4

15:40-01:28

2 stops18h 48m

£698

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 3/5

13:00-14:40

2 stops16h 40m

London Gatwick

Sat 9/5

13:00-22:29

2 stops18h 29m

£708

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Thu 16/4

02:30-14:40

2 stops27h 10m

London Gatwick

Thu 7/5

13:00-01:28

2 stops21h 28m

£719

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Mon 9/3

01:25-10:55

2 stops25h 30m

London Gatwick

Tue 31/3

15:40-01:28

2 stops18h 48m

£725

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Tue 10/3

23:55-08:40

3 stops24h 45m

London City

Tue 31/3

19:10-22:39

2 stops36h 29m

£733

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Wed 6/5

13:00-14:40

2 stops16h 40m

London Gatwick

Sun 10/5

15:40-01:28

2 stops18h 48m

£761

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 35 results
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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, August is the cheapest month in which you can book a flight from Alaska to London (average of £529). Flying from Alaska to London in June is currently the most expensive (average of £898). 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?

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 11 November 2025.

A simple way to save on the total cost of your ticket is to fly from Alaska to London in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight at midday.

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.

  • How long is the flight from Alaska to London?

    Delta, KLM, and Icelandair can get you from Alaska to London in just under 16h 40m. Your travel time can differ by up to 7h 30m. The distance from Alaska to London is about 4495 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as £302. However, be on the lookout for offers from American Airlines and Icelandair, 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, August is the cheapest month in which you can book a flight from Alaska to London (average of £529). Flying from Alaska to London in June is currently the most expensive (average of £898). 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

Travelling to a place near London?

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Top airline flying from Alaska to London

Discover the top airline that operate flights from Alaska to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£529Average£658FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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?

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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