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Alaska

$516+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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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 May 10, 2026.

This Trip.com deal was found by Cheapflights users on 5/8. 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.
Sat 5/1610:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 5/234:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 5/8$804
This Gotogate deal was found by Cheapflights users on 5/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Thu 6/255:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 5/9$814
This Gotogate deal was found by Cheapflights users on 5/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 6/134:50 pm
ANC
-
LGW
1 stop16h 55m
Condor
Deal found 5/7$880
This Gotogate deal was found by Cheapflights users on 5/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Sat 6/274:50 pm
ANC
-
LGW
1 stop12h 50m
Condor
Deal found 5/8$882
This Flighttix deal was found by Cheapflights users on 5/9. 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.
Mon 6/810:20 am
LGW
-
ANC
1 stop13h 45m
Condor
Mon 6/155:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 5/9$889
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:20 am
LGW
-
ANC
1 stop13h 30m
Condor
Thu 5/285:05 pm
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 5/6$943
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:25 am
LGW
-
ANC
2 stops17h 25m
Multiple Airlines
Sat 5/234:50 pm
ANC
-
LGW
2 stops16h 55m
Multiple Airlines
Deal found 5/8$951
This Condor deal was found by Cheapflights users on 5/6. 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 5/2110:20 am
LGW
-
ANC
1 stop13h 30m
Multiple Airlines
Thu 5/2811:12 am
ANC
-
LGW
2 stops22h 38m
Multiple Airlines
Deal found 5/6$983
This TravelUp deal was found by Cheapflights users on 5/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:25 pm
LHR
-
ANC
2 stops37h 11m
Icelandair
Wed 10/79:05 am
ANC
-
LHR
2 stops26h 15m
Icelandair
Deal found 5/10$987
This Flighttix deal was found by Cheapflights users on 5/8. 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.
Tue 9/13:40 pm
LGW
-
ANC
2 stops18h 56m
Multiple Airlines
Wed 9/309:45 am
ANC
-
LGW
2 stops19h 55m
Multiple Airlines
Deal found 5/8$989
This TravelUp deal was found by Cheapflights users on 5/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:40 pm
LGW
-
ANC
2 stops18h 56m
Icelandair
Wed 9/309:45 am
ANC
-
LGW
2 stops19h 55m
Icelandair
Deal found 5/10$1,019
This Icelandair deal was found by Cheapflights users on 5/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:05 pm
LHR
-
ANC
2 stops21h 31m
Multiple Airlines
Wed 9/309:45 am
ANC
-
LHR
2 stops17h 10m
Multiple Airlines
Deal found 5/8$1,028

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$814
(Gotogate)

One-way from

$516
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,020
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
Highest demand for flights based on searches. 18% potential increase in price ($283 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

LGW - ANC

LGWANC

London Gatwick

Sat 6/13

10:20 am-2:50 pm

1 stop13h 30m

Anchorage

Thu 6/25

5:05 pm-6:50 pm

1 stop16h 45m

$814

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 6/8

10:20 am-3:05 pm

1 stop13h 45m

Anchorage

Mon 6/15

5:05 pm-6:50 pm

1 stop16h 45m

$889

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 9/1

1:05 pm-1:36 am

2 stops21h 31m

Anchorage

Wed 9/30

9:45 am-11:55 am

2 stops17h 10m

$1,028

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 9/19

9:25 pm-1:36 am

2 stops37h 11m

Anchorage

Wed 9/30

9:45 am-11:55 am

2 stops17h 10m

$1,031

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 6/13

7:00 am-2:50 pm

2 stops16h 50m

Anchorage

Thu 6/25

5:05 pm-9:25 am

3 stops31h 20m

$1,063

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 11/4

11:55 am-9:39 pm

2 stops18h 44m

Anchorage

Sun 11/8

7:15 am-10:55 am

2 stops18h 40m

$1,070

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 9/3

3:40 pm-10:45 pm

2 stops40h 05m

Anchorage

Wed 9/16

5:05 am-2:40 pm

2 stops24h 35m

$1,089

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 6/8

10:20 am-3:05 pm

1 stop13h 45m

Anchorage

Mon 6/15

11:30 am-6:50 pm

2 stops22h 20m

$1,130

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 11/5

12:15 pm-2:38 am

2 stops23h 23m

Fairbanks

Wed 11/18

2:09 am-10:50 am

2 stops23h 41m

$1,148

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 6/13

10:20 am-9:25 pm

2 stops20h 05m

Anchorage

Sat 6/27

4:50 pm-2:40 pm

1 stop12h 50m

$1,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from London to Alaska?

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Alaska. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from London to Alaska (average of $480). Flying from London to Alaska in August is currently the most expensive (average of $974). 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 to fly round-trip 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 May 10, 2026.
Get a feel of what it's like to fly with Icelandair from London to Alaska by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
652 reviews

Entertainment

6.9

Food

6.2

Comfort

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Icelandair
7.0
Good
652 reviews
Icelandair
7.0
Good
652 reviews

Entertainment

6.9

Food

6.2

Comfort

6.9

Crew

8.0

Boarding

7.2

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.

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 13h 30m. 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, March is the cheapest month in which you can book a flight from London to Alaska (average of $480). Flying from London to Alaska in August is currently the most expensive (average of $974). 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.

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