Cheap flights from Alaska to London from £330

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.
ANC — LON
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 March 2026.

Mon 20/409:21
ANC
-
LGW
2 stops20h 19m
Icelandair
Mon 27/415:40
LGW
-
ANC
2 stops40h 03m
Icelandair
Deal found 6/3£667
Mon 20/409:21
ANC
-
LHR
2 stops25h 59m
Icelandair
Mon 27/421:25
LHR
-
ANC
2 stops34h 18m
Icelandair
Deal found 6/3£667
Wed 15/406:00
ANC
-
LHR
1 stop24h 35m
KLM
Wed 22/411:45
LHR
-
ANC
2 stops18h 01m
KLM
Deal found 9/3£678
Mon 20/415:45
ANC
-
LHR
1 stop14h 50m
Virgin Atlantic
Mon 27/419:45
LHR
-
ANC
2 stops37h 40m
Virgin Atlantic
Deal found 6/3£681
Tue 14/401:30
ANC
-
LHR
2 stops20h 40m
Delta
Wed 22/406:30
LHR
-
ANC
2 stops23h 16m
Delta
Deal found 9/3£682
Tue 21/401:45
FAI
-
LHR
1 stop25h 25m
Delta
Wed 29/411:30
LHR
-
FAI
2 stops22h 10m
Delta
Deal found 7/3£685
Mon 13/409:21
ANC
-
LHR
2 stops17h 34m
Icelandair
Mon 20/421:25
LHR
-
ANC
2 stops58h 18m
Icelandair
Deal found 6/3£685
Sun 11/1007:15
ANC
-
LGW
2 stops22h 25m
Icelandair
Tue 20/1015:40
LGW
-
ANC
2 stops41h 47m
Icelandair
Deal found 10/3£686
Mon 13/420:50
ANC
-
LHR
1 stop24h 55m
United Airlines
Mon 20/416:25
LHR
-
ANC
2 stops39h 20m
United Airlines
Deal found 6/3£687
Wed 22/413:41
ANC
-
LHR
1 stop16h 54m
Virgin Atlantic
Wed 29/417:45
LHR
-
ANC
1 stop15h 40m
Virgin Atlantic
Deal found 9/3£688
Tue 1/905:00
ANC
-
LHR
2 stops21h 55m
Icelandair
Tue 22/913:05
LHR
-
ANC
2 stops21h 35m
Icelandair
Deal found 10/3£692
Thu 23/412:22
ANC
-
LGW
2 stops17h 18m
Multiple Airlines
Thu 30/413:00
LGW
-
ANC
2 stops20h 42m
Multiple Airlines
Deal found 9/3£693

Find 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 March 2026.

Round-trip from

£579

One-way from

£330

Popular in

December

Cheapest in

August
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-12/9
  • 4 total stops
  • 55h 52m total
  • Alaska to London
18/7
  • 18/7
  • 2 total stops
  • 30h 50m total
  • Alaska to London
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

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 March 2026.
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

Cheapest return flight

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 15/4

06:00-15:35

1 stop24h 35m

London Heathrow

Wed 22/4

11:45-20:46

2 stops18h 01m

£678

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 22/4

13:41-15:35

1 stop16h 54m

London Heathrow

Wed 29/4

06:30-20:46

2 stops23h 16m

£678

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 24/5

06:00-17:40

2 stops26h 40m

London Heathrow

Mon 8/6

19:30-20:07

2 stops33h 37m

£685

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 21/4

01:45-12:10

1 stop25h 25m

London Heathrow

Wed 29/4

11:30-00:40

2 stops22h 10m

£685

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sun 6/9

07:05-21:40

2 stops29h 35m

London Heathrow

Thu 10/9

19:30-18:07

2 stops31h 37m

£697

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 15/4

06:00-15:35

1 stop24h 35m

London Heathrow

Tue 21/4

11:40-00:25

1 stop21h 45m

£700

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 28/4

06:00-15:35

1 stop24h 35m

London Heathrow

Mon 11/5

06:30-16:23

2 stops18h 53m

£716

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 20/4

15:45-15:35

1 stop14h 50m

London Heathrow

Mon 27/4

09:55-00:25

2 stops23h 30m

£716

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Thu 23/4

06:00-09:25

2 stops18h 25m

London Gatwick

Wed 29/4

10:25-00:25

2 stops23h 00m

£724

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 7/5

06:00-10:20

2 stops19h 20m

London Heathrow

Thu 14/5

06:15-16:23

2 stops19h 08m

£725

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 56 resultsSorted by cheapest first
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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 £516). Flying from Alaska to London in January is currently the most expensive (average of £934). 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.

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?

    KLM, Delta, and Scandinavian Airlines can get you from Alaska to London in just under 16h 54m. Your travel time can differ by up to 9h 46m. 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 Air Canada, with whom users have recently found tickets for as low as £304. However, be on the lookout for offers from Virgin Atlantic and British Airways, 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?

  • 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 £516). Flying from Alaska to London in January is currently the most expensive (average of £934). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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Alternative routes for Alaska to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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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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