Cheap flights from Alaska to London from £315

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
21 Feb — 28 Feb1
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 22 January 2026.

Tue 24/209:00
ANC
-
LHR
2 stops23h 45m
Lufthansa
Mon 9/319:30
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 21/1£581
Tue 27/109:00
ANC
-
LHR
1 stop15h 40m
United Airlines
Tue 3/216:40
LHR
-
ANC
2 stops36h 17m
United Airlines
Deal found 20/1£586
Tue 24/321:10
ANC
-
LHR
2 stops26h 00m
Multiple Airlines
Thu 2/406:55
LHR
-
ANC
2 stops24h 50m
Multiple Airlines
Deal found 21/1£587
Tue 24/321:10
ANC
-
LHR
1 stop24h 45m
United Airlines
Thu 2/406:55
LHR
-
ANC
2 stops24h 50m
United Airlines
Deal found 21/1£590
Tue 11/823:59
ANC
-
LHR
2 stops25h 01m
United Airlines
Thu 20/806:55
LHR
-
ANC
2 stops21h 47m
United Airlines
Deal found 21/1£593
Sun 1/323:45
ANC
-
LHR
1 stop24h 55m
United Airlines
Tue 17/313:00
LHR
-
ANC
2 stops39h 01m
United Airlines
Deal found 22/1£598
Mon 10/814:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Thu 20/814:05
LHR
-
ANC
2 stops38h 40m
Air Canada
Deal found 21/1£602
Mon 10/814:40
ANC
-
LHR
2 stops36h 10m
Air Canada
Wed 19/809:30
LHR
-
ANC
2 stops37h 08m
Air Canada
Deal found 21/1£603
Mon 23/300:59
ANC
-
LGW
2 stops25h 56m
Icelandair
Thu 2/415:40
LGW
-
ANC
2 stops18h 55m
Icelandair
Deal found 21/1£675
Tue 27/105:55
ANC
-
LCY
2 stops25h 40m
KLM
Tue 3/208:40
LCY
-
ANC
2 stops19h 16m
KLM
Deal found 20/1£679
Mon 23/207:00
ANC
-
LGW
2 stops18h 55m
Icelandair
Mon 9/311:55
LGW
-
ANC
2 stops20h 35m
Icelandair
Deal found 19/1£683
Sun 22/319:25
ANC
-
LGW
2 stops31h 30m
Icelandair
Sat 4/415:40
LGW
-
ANC
2 stops39h 55m
Icelandair
Deal found 21/1£706

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 22 January 2026.

Round-trip from

£581

One-way from

£315

Popular in

January

Cheapest in

April

Average price

£1,178
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 4 total stops
  • 56h 16m total
  • Alaska to London
29/4
  • 29/4
  • 2 total stops
  • 29h 30m total
  • Alaska to London
Highest demand for flights based on searches. 13% potential increase in price (£101 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 22 January 2026.
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

Tue 24/2

09:00-17:45

2 stops23h 45m

London Heathrow

Mon 9/3

19:30-20:01

2 stops32h 31m

£581

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 1/3

23:45-09:40

1 stop24h 55m

London Heathrow

Tue 17/3

13:00-20:01

2 stops39h 01m

£598

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£616

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

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 25/3

23:52-09:40

1 stop25h 48m

London Heathrow

Thu 9/4

06:55-22:45

2 stops24h 50m

£628

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 22/3

23:52-09:40

1 stop25h 48m

London Heathrow

Sat 4/4

06:55-22:45

2 stops24h 50m

£628

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Mon 23/2

07:00-10:55

2 stops18h 55m

London Gatwick

Mon 9/3

11:55-00:30

2 stops20h 35m

£683

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Sun 22/3

19:25-10:55

2 stops31h 30m

London Gatwick

Sat 4/4

15:40-22:35

2 stops39h 55m

£706

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Tue 28/4

09:05-14:40

2 stops20h 35m

London Gatwick

Mon 11/5

15:40-22:43

2 stops40h 03m

£709

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 17/5

20:55-06:45

1 stop24h 50m

London Heathrow

Sun 31/5

14:50-22:49

1 stop16h 59m

£745

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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 £516). Flying from Alaska to London in June is currently the most expensive (average of £880). 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.

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?

    Lufthansa, United Airlines, and Icelandair can get you from Alaska to London in just under 18h 55m. Your travel time can differ by up to 6h. 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 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 June is currently the most expensive (average of £880). 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
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Croydon
Wembley
Gatwick
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Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
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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