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Cheap flights from Alaska to London from £297

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LON
25 Jan — 1 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 26 December 2025.

Tue 30/1201:30ANC - LHR
2 stops19h 25mUnited Airlines
Tue 6/109:30LHR - ANC
2 stops22h 45mUnited Airlines
Deal found 24/12£1,272
Thu 25/1221:00ANC - LHR
1 stop25h 55mUnited Airlines
Wed 31/1211:10LHR - ANC
2 stops22h 15mUnited Airlines
Deal found 25/12£1,535
Thu 25/1221:15ANC - LHR
1 stop24h 50mDelta
Wed 31/1212:20LHR - ANC
1 stop17h 20mDelta
Deal found 25/12£1,558
Thu 25/1221:15ANC - LHR
2 stops26h 30mDelta
Tue 30/1210:45LHR - ANC
2 stops22h 14mDelta
Deal found 25/12£1,561
Thu 25/1201:30ANC - LHR
1 stop23h 10mUnited Airlines
Fri 2/110:25LHR - ANC
1 stop18h 20mUnited Airlines
Deal found 25/12£1,723
Tue 30/1201:15ANC - LHR
1 stop24h 15mKLM
Tue 6/112:20LHR - ANC
1 stop20h 49mKLM
Deal found 24/12£1,740
Mon 29/1211:00ANC - LHR
2 stops36h 05mMultiple Airlines
Wed 31/1220:45LHR - ANC
2 stops41h 58mMultiple Airlines
Deal found 25/12£1,850
Mon 29/1221:00ANC - LHR
1 stop23h 55mLufthansa
Wed 31/1219:15LHR - ANC
2 stops36h 41mLufthansa
Deal found 25/12£1,937
Sat 27/1221:00ANC - LHR
2 stops53h 20mMultiple Airlines
Fri 2/110:25LHR - ANC
1 stop18h 20mMultiple Airlines
Deal found 26/12£1,985
Sat 27/1220:15ANC - LCY
2 stops27h 35mVirgin Atlantic
Fri 2/109:20LCY - ANC
2 stops42h 37mVirgin Atlantic
Deal found 26/12£2,307
Wed 31/1208:00ANC - LGW
2 stops17h 55mMultiple Airlines
Tue 6/111:55LGW - ANC
2 stops19h 04mMultiple Airlines
Deal found 24/12£3,344

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 26 December 2025.

Round-trip from

£609

One-way from

£297

Popular in

January

Cheapest in

November

Average price

£1,027
Lufthansa
  • Lufthansa
  • 24/2-9/3
  • 3 total stops
  • 39h 55m total
  • Alaska to London
Search Deals
15/3
  • 15/3
  • 2 total stops
  • 33h 00m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 26 December 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

Tue 24/2

09:00-16:50

2 stops22h 50m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£624

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-09:40

1 stop15h 40m

London Heathrow

Mon 9/3

10:25-20:01

1 stop17h 36m

£630

AnchorageLondon

ANC - LGW

ANCLGW

Anchorage

Wed 4/2

07:05-10:55

2 stops18h 50m

London Gatwick

Wed 11/2

11:55-22:52

2 stops19h 57m

£634

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 4/2

07:05-10:50

2 stops18h 45m

London Heathrow

Wed 11/2

12:15-22:52

2 stops19h 37m

£637

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 8/2

05:55-10:30

1 stop19h 35m

London Heathrow

Sun 15/2

20:25-18:57

2 stops31h 32m

£650

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 23/2

09:00-21:20

3 stops27h 20m

London Heathrow

Mon 9/3

07:40-22:50

2 stops23h 10m

£651

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 21/1

01:30-10:30

1 stop24h 00m

London Heathrow

Thu 29/1

06:30-00:22

2 stops26h 52m

£651

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 21/1

01:30-06:20

2 stops19h 50m

London Heathrow

Thu 29/1

06:30-00:22

2 stops26h 52m

£654

AnchorageLondon

ANC - LCY

ANCLCY

Anchorage

Wed 4/2

05:55-16:35

2 stops25h 40m

London City

Wed 11/2

08:40-18:56

2 stops19h 16m

£676

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 22/1

08:00-15:50

2 stops22h 50m

London Heathrow

Thu 29/1

06:30-19:30

2 stops22h 00m

£687

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 53 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 £875). 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 26 December 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?

    Lufthansa, Icelandair, and KLM can get you from Alaska to London in just under 18h 50m. Your travel time can differ by up to 5h 10m. 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 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 £516). Flying from Alaska to London in June is currently the most expensive (average of £875). 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
Slough
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Luton
Gatwick
Wembley
Ilford
Brentford
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Hayes
Watford
Crawley
Bedford
Romford
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Eastbourne
Ipswich
Bishop's Stortford
Chelmsford

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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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