Cheap flights from London to Alaska from £513
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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from London to Alaska
Keep the following information in mind while searching for London to Alaska flight deals. Data was last updated 4 July 2025.
Round-trip from | £687 |
---|---|
One-way from | £513 |
Popular in | July |
Cheapest in | February |
Average price | £1,240 |
Find flight deals from London to Alaska
Cheapest flights from London to AlaskaExplore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from London to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to Alaska 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 4 July 2025.
Use the filters below to find and compare flights from London to Alaska that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonAnchorage
LHR - ANC
LHRANC
London Heathrow
Sat 23/8
13:35-00:34
1 stop19h 59m
Anchorage
Sun 31/8
23:44-17:15
1 stop32h 31m
LondonAnchorage
LHR - ANC
LHRANC
London Heathrow
Wed 8/10
07:05-23:15
3 stops25h 10m
Anchorage
Wed 22/10
10:40-16:25
3 stops20h 45m
LondonAnchorage
LGW - ANC
LGWANC
London Gatwick
Mon 25/8
15:40-02:47
2 stops44h 07m
Anchorage
Mon 1/9
23:25-14:40
2 stops30h 15m
LondonFairbanks
LGW - FAI
LGWFAI
London Gatwick
Thu 14/8
13:00-22:36
2 stops18h 36m
Fairbanks
Wed 29/10
02:15-10:55
2 stops24h 40m
LondonAnchorage
LGW - ANC
LGWANC
London Gatwick
Sat 30/8
15:40-22:16
2 stops39h 36m
Anchorage
Wed 10/9
17:59-14:40
2 stops35h 41m
LondonAnchorage
LHR - ANC
LHRANC
London Heathrow
Mon 25/8
21:25-00:57
2 stops36h 32m
Anchorage
Mon 1/9
17:59-11:55
2 stops32h 56m
LondonFairbanks
LHR - FAI
LHRFAI
London Heathrow
Fri 17/10
10:20-02:35
3 stops25h 15m
Fairbanks
Mon 20/10
06:00-17:40
3 stops26h 40m
LondonAnchorage
LCY - ANC
LCYANC
London City
Thu 21/8
08:45-15:10
1 stop15h 25m
Anchorage
Sat 6/9
18:15-17:15
1 stop14h 00m
LondonFairbanks
LHR - FAI
LHRFAI
London Heathrow
Sat 6/9
21:25-22:47
2 stops34h 22m
Fairbanks
Sat 27/9
15:59-11:55
2 stops34h 56m
LondonFairbanks
LCY - FAI
LCYFAI
London City
Mon 18/8
09:05-22:36
2 stops22h 31m
Fairbanks
Mon 25/8
12:17-21:40
2 stops24h 23m
Best time to book a flight from London to Alaska
Have a flexible travel schedule? Discover the best time to fly to Alaska from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Alaska
What is the cheapest month to book a flight from London to Alaska?
Currently, January is the cheapest month in which you can book a flight from London to Alaska (average of £987). Flying from London to Alaska in July is currently the most expensive (average of £1,747). 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 LON to AK?
Find hourly flight availability from London to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
When flying from London to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from London to Alaska?
Reviews of airlines servicing Alaska
Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated 4 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from London to Alaska have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from London to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for London to Alaska
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from London to Alaska
Discover the top 6 airlines that operate flights from London to Alaska. 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 4 July 2025.
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 London to Alaska?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Alaska. 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 London to Alaska?
Cheapflights helps you find that perfect flight to Alaska from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to Alaska with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Alaska flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from London to Alaska become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!