Alaska

$664+ Cheap flights from London (LON) to Alaska

LON — ANC
Nov 29 — Dec 61
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Cheap flight deals from London to Alaska

Cheapest flights from London to Alaska

Thu 12/2412:20 pm -
1 stop17h 20m
Tue 12/295:45 am -
1 stop19h 55m
Deal found 10/30$998
Fri 12/112:45 pm -
1 stop16h 32m
Fri 12/2511:11 am -
1 stop16h 09m
Deal found 10/28$1,000
Thu 11/2612:20 pm -
1 stop17h 37m
Thu 12/36:00 am -
1 stop19h 40m
Deal found 10/27$1,062
Wed 12/212:15 pm -
2 stops31h 56m
Tue 12/82:56 am -
2 stops31h 34m
Deal found 10/25$1,071
Mon 11/2310:25 am -
2 stops22h 17m
Mon 11/3010:19 am -
2 stops24h 06m
Deal found 10/26$1,076
Fri 12/2512:15 pm -
2 stops22h 15m
Thu 1/142:28 am -
2 stops23h 22m
Deal found 10/26$1,084
Wed 11/48:35 pm -
2 stops34h 10m
Sun 11/158:00 am -
2 stops17h 50m
Deal found 10/26$1,099
Wed 11/411:55 am -
2 stops21h 37m
Sun 11/158:00 am -
2 stops17h 55m
Deal found 10/26$1,107
Thu 11/2610:25 am -
2 stops24h 24m
Thu 12/36:00 am -
2 stops24h 00m
Deal found 10/27$1,120
Mon 11/238:35 pm -
2 stops37h 20m
Mon 11/309:00 am -
2 stops16h 50m
Deal found 10/26$1,142
Sun 11/2212:15 pm -
2 stops21h 34m
Sat 11/282:52 am -
2 stops22h 58m
Deal found 10/25$1,148
Mon 11/232:45 pm -
1 stop16h 14m
Sun 11/291:27 am -
1 stop25h 53m
Deal found 10/26$1,161

Find flight deals from London to Alaska

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$906
(Trip.com)

One-way from

$664
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$1,208
Provider with most accurate pricing for London (LON)-Anchorage flight deals.
Provider most trusted by Cheapflights users for London (LON)-Anchorage flights.
From London (LON) to Alaska
One-way flight from London (LON) to Alaska
Highest demand for flights based on searches. 20% potential increase in price ($342 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($76 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
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 London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Thu 3/4

11:05 am-11:59 pm

3 stops45h 54m

Anchorage

Wed 12/31

12:00 am-11:00 am

Nonstop0h 00m

$664
Quickest round-trip

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Sun 4/25

3:40 pm-2:11 am

2 stops19h 31m

Anchorage

Wed 12/31

12:00 am-11:00 am

Nonstop0h 00m

$750

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Sat 2/13

2:45 pm-2:11 am

1 stop20h 26m

Anchorage

Wed 12/31

12:00 am-11:00 am

Nonstop0h 00m

$937

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 3/25

10:25 am-10:40 pm

2 stops20h 15m

Anchorage

Sun 4/4

9:00 am-7:10 pm

2 stops25h 10m

$986

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 11/26

10:25 am-1:49 am

2 stops24h 24m

Anchorage

Thu 12/3

6:00 am-3:00 pm

2 stops24h 00m

$1,120

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Mon 3/1

2:45 pm-9:25 am

3 stops27h 40m

Anchorage

Wed 12/31

12:00 am-11:00 am

Nonstop0h 00m

$1,153

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Wed 12/2

2:45 pm-12:08 pm

2 stops30h 23m

Anchorage

Wed 12/9

12:24 pm-12:20 pm

1 stop14h 56m

$1,219

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 12/11

12:15 pm-12:47 am

2 stops21h 32m

Anchorage

Thu 12/24

2:50 am-10:50 am

2 stops23h 00m

$1,273

LondonAnchorage

LGW London Gatwick - ANC Anchorage

LGWANC

London Gatwick

Thu 12/24

11:55 am-9:38 pm

2 stops18h 43m

Anchorage

Mon 12/28

2:50 am-10:55 am

2 stops23h 05m

$1,305

LondonAnchorage

LHR London Heathrow - ANC Anchorage

LHRANC

London Heathrow

Fri 3/12

2:45 pm-2:11 am

1 stop20h 26m

Anchorage

Tue 3/23

9:00 am-12:20 pm

1 stop19h 20m

$1,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

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 $974). Flying from London to Alaska in December is currently the most expensive (average of $1,687). 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.

Reviews of airlines servicing Alaska

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.

Entertainment

6.9

Food

6.1

Overall

6.9

Boarding

7.2

Comfort

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Entertainment

6.9

Food

6.1

Overall

6.9

Boarding

7.2

Comfort

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Related info for your journey

  • How long is the flight from London to Alaska?

    Departing from London to Alaska will take you 30h 23m. Airlines will cover a distance of 4471 mi.

  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from London to Alaska (average of $974). Flying from London to Alaska in December is currently the most expensive (average of $1,687). 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

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