Cheap flights from London to Alaska from £430

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ANC
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Alaska

Enter your travel dates to find the best prices.

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 21 May 2026.

Sat 23/510:20
LGW
-
ANC
1 stop13h 30m
Condor
Sat 6/616:50
ANC
-
LGW
1 stop12h 50m
Condor
Deal found 16/5£579
Thu 11/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Thu 25/617:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 18/5£638
Thu 11/610:20
LGW
-
ANC
1 stop13h 30m
Condor
Thu 18/617:05
ANC
-
LGW
1 stop12h 40m
Condor
Deal found 17/5£646
Mon 1/610:20
LGW
-
ANC
1 stop13h 45m
Condor
Thu 4/617:05
ANC
-
LGW
1 stop16h 45m
Condor
Deal found 19/5£682
Thu 21/510:20
LGW
-
ANC
1 stop13h 30m
Condor
Thu 4/617:05
ANC
-
LGW
1 stop12h 40m
Condor
Deal found 19/5£693
Mon 1/610:20
LGW
-
ANC
1 stop13h 45m
Condor
Mon 15/617:05
ANC
-
LGW
1 stop12h 35m
Condor
Deal found 17/5£720
Sat 23/510:20
LGW
-
ANC
1 stop13h 30m
Multiple Airlines
Sat 6/610:00
ANC
-
LGW
2 stops23h 45m
Multiple Airlines
Deal found 16/5£768
Tue 25/821:25
LHR
-
ANC
2 stops37h 11m
Multiple Airlines
Sat 5/914:40
ANC
-
LHR
2 stops36h 10m
Multiple Airlines
Deal found 16/5£775
Thu 3/910:20
LGW
-
FAI
2 stops21h 34m
Multiple Airlines
Thu 24/908:30
FAI
-
LGW
2 stops25h 20m
Multiple Airlines
Deal found 16/5£790
Thu 21/506:15
LHR
-
ANC
2 stops17h 35m
Multiple Airlines
Thu 4/617:05
ANC
-
LHR
2 stops19h 20m
Multiple Airlines
Deal found 17/5£809
Thu 3/913:05
LHR
-
FAI
2 stops21h 42m
Multiple Airlines
Thu 24/908:30
FAI
-
LHR
2 stops26h 50m
Multiple Airlines
Deal found 16/5£844
Wed 10/614:45
LHR
-
ANC
3 stops33h 05m
Multiple Airlines
Thu 18/617:05
ANC
-
LHR
3 stops19h 55m
Multiple Airlines
Deal found 18/5£852

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 21 May 2026.

Round-trip from

£638

One-way from

£430

Popular in

July

Cheapest in

October

Average price

£760
Condor
  • Condor
  • 11/6-25/6
  • 2 total stops
  • 30h 15m total
  • London to Alaska
26/8
  • 26/8
  • 3 total stops
  • 54h 30m total
  • London to Alaska
Highest demand for flights based on searches. 19% potential increase in price (£160 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 21 May 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 return flight
Fastest return journey

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 11/6

10:20-14:50

1 stop13h 30m

Anchorage

Thu 18/6

17:05-18:50

1 stop16h 45m

£652

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 25/8

21:25-01:36

2 stops37h 11m

Anchorage

Sat 5/9

14:40-11:50

2 stops36h 10m

£787

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 11/6

10:20-14:50

1 stop13h 30m

Anchorage

Thu 25/6

05:00-18:50

2 stops28h 50m

£846

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 1/6

10:20-15:05

1 stop13h 45m

Anchorage

Thu 4/6

10:00-18:50

2 stops23h 50m

£865

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Thu 5/11

12:15-01:51

2 stops22h 36m

Fairbanks

Thu 19/11

05:30-19:30

2 stops29h 00m

£880

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 3/6

19:40-14:50

1 stop28h 10m

Anchorage

Tue 9/6

11:12-18:50

2 stops22h 38m

£886

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 11/6

10:20-14:50

1 stop13h 30m

Anchorage

Thu 18/6

05:00-14:45

2 stops24h 45m

£903

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 1/6

09:30-15:05

1 stop14h 35m

Anchorage

Thu 4/6

17:05-18:40

1 stop16h 35m

£911

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 1/6

10:20-15:05

1 stop13h 45m

Anchorage

Tue 30/6

09:07-18:50

2 stops24h 43m

£914

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 25/8

13:00-01:36

2 stops21h 36m

Anchorage

Sat 5/9

09:05-11:45

2 stops17h 40m

£928

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 55 resultsSorted by cheapest first
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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 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 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 £252). Flying from London to Alaska in August is currently the most expensive (average of £726). 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 for a return flight from London to Alaska?

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

Booking 69 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.

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 21 May 2026.
See what other customers who have flown with Alaska Airlines,Virgin Atlantic, andIcelandair 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.

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Entertainment

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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?

    There are many flights that can get you from London to Alaska in 13h 30m. Fly via Condor, Scandinavian Airlines, or Alaska Airlines to get the fastest option. London and Alaska are separated by a distance of 4495 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Alaska one-way?

    The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £407. However, be on the lookout for offers from Air Canada and British Airways, as they are both options that can get you from London to Alaska for a low price.

  • 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 holiday 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 £252). Flying from London to Alaska in August is currently the most expensive (average of £726). 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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Alternative routes for London to Alaska

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from London to Alaska

Discover the top 2 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 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£655Average£742FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£1,076Average£1,253FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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!

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