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Cheap flights from Alaska to London from £251

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
14 Sep — 21 Sep1
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 15 August 2026.

Mon 21/911:51 -
2 stops20h 29m
Tue 6/1009:20 -
2 stops20h 21m
Deal found 11/8£663
Thu 20/817:05 -
1 stop16h 45m
Mon 24/810:20 -
1 stop13h 45m
Deal found 10/8£663
Sun 27/914:30 -
1 stop16h 05m
Tue 6/1008:40 -
2 stops25h 05m
Deal found 11/8£663
Mon 21/906:00 -
1 stop22h 05m
Tue 6/1009:55 -
2 stops20h 04m
Deal found 11/8£663
Mon 9/1112:04 -
1 stop15h 16m
Wed 11/1114:45 -
1 stop19h 04m
Deal found 10/8£664
Mon 21/911:22 -
1 stop18h 43m
Tue 6/1017:00 -
1 stop15h 39m
Deal found 11/8£667
Mon 21/906:00 -
2 stops16h 40m
Tue 6/1011:45 -
2 stops17h 56m
Deal found 11/8£670
Mon 9/1120:54 -
1 stop24h 01m
Wed 11/1115:00 -
2 stops37h 39m
Deal found 10/8£675
Mon 28/911:51 -
1 stop18h 44m
Mon 5/1019:45 -
2 stops34h 14m
Deal found 14/8£677
Mon 2/1120:54 -
2 stops25h 16m
Fri 6/1106:35 -
2 stops25h 21m
Deal found 15/8£678
Mon 28/906:00 -
2 stops16h 40m
Mon 5/1006:30 -
2 stops27h 15m
Deal found 14/8£679
Sat 5/1201:42 -
1 stop23h 58m
Sun 13/1206:20 -
2 stops27h 22m
Deal found 13/8£682

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 15 August 2026.

Round-trip from

£663

One-way from

£251

Popular in

June

Cheapest in

January

Average price

£678
Virgin Atlantic
  • Virgin Atlantic
  • 21/9-6/10
  • 4 total stops
  • 40h 50m total
  • Alaska to London
Search Deals
United Airlines
  • United Airlines
  • 6/2
  • 2 total stops
  • 27h 20m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£140 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 15 August 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 Anchorage - LCY London City

ANCLCY

Anchorage

Mon 21/9

11:51-17:20

2 stops20h 29m

London City

Tue 6/10

09:20-20:41

2 stops20h 21m

£663

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 9/11

05:47-12:20

1 stop21h 33m

London Heathrow

Wed 11/11

14:45-09:33

2 stops27h 48m

£668

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 21/9

06:00-07:40

2 stops16h 40m

London Heathrow

Tue 6/10

11:45-20:41

2 stops17h 56m

£670

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 2/11

20:54-07:10

2 stops25h 16m

London Heathrow

Fri 6/11

06:35-22:56

2 stops25h 21m

£678

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Mon 9/11

23:59-05:55

2 stops20h 56m

London Heathrow

Wed 11/11

15:00-19:39

2 stops37h 39m

£678

AnchorageLondon

ANC Anchorage - LCY London City

ANCLCY

Anchorage

Mon 28/9

06:00-08:50

2 stops17h 50m

London City

Mon 5/10

20:15-20:41

2 stops33h 26m

£683

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Tue 3/11

09:03-12:20

1 stop18h 17m

London Heathrow

Thu 5/11

14:45-01:37

1 stop19h 52m

£691

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Sun 27/9

14:30-15:35

1 stop16h 05m

London Heathrow

Tue 6/10

17:45-00:45

1 stop16h 00m

£691

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 9/9

11:51-15:35

1 stop18h 44m

London Heathrow

Wed 16/9

09:55-21:00

2 stops20h 05m

£696

AnchorageLondon

ANC Anchorage - LGW London Gatwick

ANCLGW

Anchorage

Wed 11/11

06:00-15:45

2 stops24h 45m

London Gatwick

Mon 16/11

10:00-22:50

2 stops21h 50m

£701

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 54 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, October is the cheapest month in which you can book a flight from Alaska to London (average of £682). Flying from Alaska to London in June is currently the most expensive (average of £1,247). 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?

Airfare is typical for this route at the moment.
Alaska to London flights typically cost between £550 and £844 in September.
The cheapest return price found within the last 5 days was £663 on Virgin Atlantic (21 Sept–6 Oct).

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?

    Virgin Atlantic, Alaska Airlines, and KLM can get you from Alaska to London in just under 16h 40m. Your travel time can differ by up to 4h 53m. 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 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, October is the cheapest month in which you can book a flight from Alaska to London (average of £682). Flying from Alaska to London in June is currently the most expensive (average of £1,247). 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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Hayes
Croydon
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Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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