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Cheap flights from Alaska to London from £261

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
18 Dec — 25 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 18 November 2025.

Mon 29/1221:15ANC - LHR
1 stop24h 50mDelta
Tue 13/106:30LHR - ANC
2 stops27h 20mDelta
Deal found 15/11£464
Tue 2/1223:59ANC - LHR
1 stop24h 41mUnited Airlines
Thu 11/1206:35LHR - ANC
2 stops25h 21mUnited Airlines
Deal found 17/11£467
Sun 30/1100:30ANC - LHR
1 stop25h 00mKLM
Thu 11/1206:30LHR - ANC
2 stops19h 04mKLM
Deal found 17/11£470
Sun 30/1117:37ANC - LHR
2 stops27h 48mDelta
Thu 11/1206:30LHR - ANC
2 stops27h 27mDelta
Deal found 17/11£473
Mon 29/1221:00ANC - LHR
1 stop23h 55mUnited Airlines
Tue 13/111:35LHR - ANC
1 stop20h 40mUnited Airlines
Deal found 17/11£484
Mon 29/1223:59ANC - LHR
1 stop24h 41mUnited Airlines
Fri 9/118:00LHR - ANC
2 stops38h 15mUnited Airlines
Deal found 16/11£485
Sun 30/1100:30ANC - LHR
1 stop25h 00mMultiple Airlines
Thu 11/1211:05LHR - ANC
1 stop16h 59mMultiple Airlines
Deal found 17/11£490
Tue 2/1206:05ANC - LCY
2 stops17h 45mDelta
Thu 11/1208:40LCY - ANC
2 stops19h 24mDelta
Deal found 17/11£495
Sun 28/1215:40ANC - LHR
1 stop36h 10mDelta
Fri 9/120:00LHR - ANC
2 stops31h 56mDelta
Deal found 16/11£501
Sat 29/1111:22ANC - LHR
1 stop14h 08mDelta
Thu 11/1208:40LHR - ANC
2 stops19h 24mDelta
Deal found 17/11£508
Sat 29/1108:00ANC - LCY
2 stops23h 40mMultiple Airlines
Thu 11/1209:40LCY - ANC
2 stops22h 16mMultiple Airlines
Deal found 17/11£790
Wed 31/1201:50FAI - LHR
2 stops26h 55mDelta
Thu 8/114:45LHR - FAI
1 stop18h 40mDelta
Deal found 17/11£822

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 18 November 2025.

Round-trip from

£464

One-way from

£261

Popular in

January

Cheapest in

November

Average price

£648
Delta
  • Delta
  • 29/12-13/1
  • 3 total stops
  • 52h 10m total
  • Alaska to London
Search Deals
17/1
  • 17/1
  • 3 total stops
  • 22h 45m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 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 18 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 29/12

21:15-07:05

1 stop24h 50m

London Heathrow

Tue 13/1

06:30-00:50

2 stops27h 20m

£464

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 29/12

05:45-10:30

1 stop19h 45m

London Heathrow

Tue 13/1

14:45-00:09

1 stop18h 24m

£484

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 29/12

23:59-09:40

1 stop24h 41m

London Heathrow

Fri 9/1

18:00-23:15

2 stops38h 15m

£485

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 28/12

15:40-12:50

1 stop36h 10m

London Heathrow

Fri 9/1

20:00-18:56

2 stops31h 56m

£501

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 24/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£512

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

£513

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

01:20-06:55

2 stops20h 35m

London Heathrow

Mon 9/3

06:30-20:30

2 stops22h 00m

£516

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 6/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/2

16:40-19:57

2 stops36h 17m

£520

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 29/12

23:59-09:40

1 stop24h 41m

London Heathrow

Sat 10/1

18:00-23:15

2 stops38h 15m

£523

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Tue 28/4

10:00-14:40

2 stops19h 40m

London Gatwick

Mon 11/5

15:40-01:28

2 stops42h 48m

£688

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 60 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 £530). 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 18 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.

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

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 United Airlines can get you from Alaska to London in just under 19h 45m. Your travel time can differ by up to 5h 05m. The distance from Alaska to London is about 4471 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 Virgin Atlantic, with whom users have recently found tickets for as low as £294. However, be on the lookout for offers from Copa Airlines and United Airlines, 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 £530). 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

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Alternative routes for Alaska to 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 18 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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