HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alaska

$464+ Cheap flights from London (LON) to Alaska

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to Alaska with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from London to Alaska

Cheapest flights from London to Alaska
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 March 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 5/234:50 pm
ANC
-
LGW
1 stop12h 50m
Condor
Deal found 3/17$762
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:45 pm
LGW
-
ANC
1 stop32h 05m
Condor
Sat 5/234:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 3/17$782
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:20 am
LGW
-
ANC
1 stop13h 45m
Condor
Thu 9/105:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 3/15$818
This Flighttix deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 5/164:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 3/17$823
This Condor deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Thu 9/105:05 pm
ANC
-
LGW
1 stop12h 35m
Condor
Deal found 3/15$832
This FlightHub deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:35 pm
LGW
-
ANC
1 stop32h 15m
Condor
Thu 9/105:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 3/15$838
This Condor deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:45 pm
LGW
-
ANC
1 stop32h 05m
Condor
Thu 5/285:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 3/15$851
This flugladen.de deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:25 am
LHR
-
ANC
2 stops26h 02m
Multiple Airlines
Fri 4/2411:45 pm
ANC
-
LHR
1 stop25h 25m
Multiple Airlines
Deal found 3/18$878
This Trip.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
LHR
-
ANC
2 stops27h 35m
Multiple Airlines
Wed 5/61:30 am
ANC
-
LHR
2 stops23h 40m
Multiple Airlines
Deal found 3/16$911
This oojo deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:40 pm
LGW
-
ANC
2 stops51h 38m
Icelandair
Tue 5/59:05 am
ANC
-
LGW
2 stops20h 35m
Icelandair
Deal found 3/14$911
This oojo deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:25 pm
LHR
-
ANC
2 stops58h 18m
Icelandair
Tue 5/51:22 pm
ANC
-
LHR
2 stops21h 58m
Icelandair
Deal found 3/14$912
This Trip.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:20 am
LHR
-
ANC
1 stop25h 07m
Multiple Airlines
Sun 4/1912:59 am
ANC
-
LHR
2 stops29h 06m
Multiple Airlines
Deal found 3/14$931

Find flight deals from London to Alaska

Keep the following information in mind while searching for London to Alaska flight deals. Data was last updated March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$762
(Kiwi.com)

One-way from

$464
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$1,725
Provider with most accurate pricing for London (LON)-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Anchorage flights.
Search Deals
From London (LON) to Alaska
Search Deals
One-way flight from London (LON) to Alaska
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated March 19, 2026.
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

Cheapest round-trip

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/17

8:20 am-12:27 am

1 stop25h 07m

Anchorage

Sun 4/19

12:59 am-3:05 pm

2 stops29h 06m

$931

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 4/30

1:00 pm-10:43 pm

2 stops18h 43m

Anchorage

Mon 5/4

1:22 pm-2:40 pm

2 stops16h 18m

$1,035

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 4/13

3:40 pm-10:35 pm

2 stops39h 55m

Anchorage

Mon 4/20

9:21 am-2:40 pm

2 stops20h 19m

$1,037

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 8/30

3:35 pm-3:05 pm

1 stop32h 30m

Anchorage

Fri 9/11

11:41 am-6:50 pm

2 stops22h 09m

$1,058

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 5/2

9:25 pm-1:42 am

2 stops37h 17m

Fairbanks

Sat 5/9

5:30 am-8:20 pm

2 stops29h 50m

$1,060

LondonAnchorage

LCY - ANC

LCYANC

London City

Fri 5/15

6:30 pm-2:50 pm

1 stop29h 20m

Anchorage

Sat 5/23

4:50 pm-5:55 pm

1 stop16h 05m

$1,062

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Sat 5/2

3:40 pm-1:42 am

2 stops19h 02m

Fairbanks

Sat 5/9

12:11 pm-2:40 pm

2 stops17h 29m

$1,087

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Fri 5/1

1:05 pm-1:42 am

2 stops21h 37m

Fairbanks

Thu 5/7

1:17 am-8:20 pm

2 stops34h 03m

$1,090

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Fri 5/1

3:40 pm-1:42 am

2 stops19h 02m

Fairbanks

Thu 5/7

1:17 am-11:45 am

2 stops49h 28m

$1,091

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/3

3:40 pm-1:36 am

2 stops18h 56m

Anchorage

Sun 5/10

8:00 am-2:40 pm

2 stops21h 40m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 58 resultsSorted by cheapest first
1
2
3
...
6

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.
Estimated round-trip 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 London to Alaska

What is the cheapest month to book a flight from London to Alaska?

Currently, September is the cheapest month in which you can book a flight from London to Alaska (average of $879). Flying from London to Alaska in March is currently the most expensive (average of $1,643). 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 London to Alaska. 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 London to Alaska?

    Departing from London to Alaska will take you 18h 43m. Airlines will cover a distance of 4495 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from London to Alaska?

    Most travelers choose London Heathrow - Anchorage, London Gatwick - Anchorage or London City - Anchorage when deciding on the best route from London to Alaska.

  • Can I find deals for flights from London to Alaska that include hotel bookings?

    Yes. In addition to deals on London to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Alaska.

  • Can I find deals for business class flights from London to Alaska?

    Yes. Cheapflights offers flight deals from London to Alaska 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 London to Alaska?

    Currently, September is the cheapest month in which you can book a flight from London to Alaska (average of $879). Flying from London to Alaska in March is currently the most expensive (average of $1,643). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.