Cheap flights from the United Kingdom to Alaska from £377

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from United Kingdom to Alaska

Keep the following information in mind while searching for United Kingdom to Alaska flight deals. Data was last updated 12 September 2025.

Round-trip from

£594

One-way from

£377

Popular in

August

Cheapest in

April

Average price

£785
Scandinavian Airlines
  • Scandinavian Airlines
  • 17/10-24/10
  • 4 total stops
  • 50h 03m total
  • United Kingdom to Alaska
3/11
  • 3/11
  • 3 total stops
  • 34h 24m total
  • United Kingdom to Alaska
Highest demand for flights based on searches. 4% potential increase in price (£39 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from United Kingdom to Alaska

Cheapest flights from United Kingdom to Alaska
Explore the most affordable flight options available from United Kingdom to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Fri 17/1006:40LHR - ANC
2 stops25h 03mScandinavian Airlines
Fri 24/1006:00ANC - LHR
2 stops25h 00mScandinavian Airlines
Deal found 10/9£594
Sun 5/1009:55LHR - ANC
1 stop23h 27mMultiple Airlines
Sat 11/1000:24ANC - LHR
1 stop24h 36mMultiple Airlines
Deal found 11/9£614
Wed 8/1010:55LGW - ANC
2 stops32h 12mMultiple Airlines
Tue 14/1001:47ANC - LGW
2 stops24h 08mMultiple Airlines
Deal found 10/9£618
Mon 20/1015:40LGW - ANC
2 stops40h 05mIcelandair
Sun 26/1010:00ANC - LGW
2 stops16h 55mIcelandair
Deal found 11/9£641
Sun 26/1014:40LGW - ANC
2 stops40h 08mIcelandair
Sun 2/1108:00ANC - LGW
2 stops17h 55mIcelandair
Deal found 11/9£656
Sun 5/1021:25LHR - ANC
2 stops34h 20mIcelandair
Sun 12/1011:16ANC - LHR
2 stops24h 04mIcelandair
Deal found 11/9£659
Sun 5/1010:55LGW - ANC
1 stop22h 27mMultiple Airlines
Sat 11/1000:24ANC - LGW
1 stop25h 31mMultiple Airlines
Deal found 11/9£669
Fri 17/1010:55LGW - ANC
1 stop22h 27mMultiple Airlines
Thu 23/1000:24ANC - LGW
1 stop25h 31mMultiple Airlines
Deal found 10/9£674
Fri 17/1009:55LHR - ANC
1 stop23h 27mMultiple Airlines
Thu 23/1001:47ANC - LHR
2 stops28h 53mMultiple Airlines
Deal found 10/9£690
Mon 20/1015:40LGW - ANC
2 stops28h 28mMultiple Airlines
Sat 25/1001:04ANC - LGW
2 stops25h 51mMultiple Airlines
Deal found 11/9£694
Thu 9/1015:40LGW - ANC
2 stops19h 19mMultiple Airlines
Thu 16/1008:00ANC - LGW
2 stops21h 40mMultiple Airlines
Deal found 11/9£696
Mon 3/1111:55LGW - ANC
2 stops29h 58mMultiple Airlines
Sun 16/1117:35ANC - LGW
2 stops32h 20mMultiple Airlines
Deal found 10/9£704

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 12 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Alaska that are best for you.

Fly from

United Kingdom

Fly to

Alaska

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 5/10

09:55-00:22

1 stop23h 27m

Anchorage

Sun 12/10

05:05-17:15

2 stops27h 10m

£619

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 20/10

15:40-22:45

2 stops40h 05m

Anchorage

Sun 26/10

10:00-10:55

2 stops16h 55m

£641

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 26/10

14:40-22:48

2 stops40h 08m

Anchorage

Sun 2/11

08:00-10:55

2 stops17h 55m

£656

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sun 5/10

10:55-00:22

1 stop22h 27m

Anchorage

Sat 11/10

00:24-10:55

1 stop25h 31m

£669

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Fri 17/10

10:55-00:22

1 stop22h 27m

Anchorage

Thu 23/10

00:24-10:55

1 stop25h 31m

£674

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 17/10

09:55-00:22

1 stop23h 27m

Anchorage

Thu 23/10

01:47-15:40

2 stops28h 53m

£690

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 20/10

15:40-11:08

2 stops28h 28m

Anchorage

Sat 25/10

01:04-10:55

2 stops25h 51m

£694

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 3/11

11:55-08:53

2 stops29h 58m

Anchorage

Sun 16/11

17:35-10:55

2 stops32h 20m

£704

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 13/11

12:15-21:48

2 stops18h 33m

Anchorage

Mon 17/11

08:00-19:30

2 stops26h 30m

£755

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 8/10

06:40-01:59

2 stops28h 19m

Anchorage

Wed 22/10

06:00-17:40

3 stops26h 40m

£824

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 43 results
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Best time to book a flight from United Kingdom to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from United Kingdom 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 the United Kingdom to Alaska

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Alaska (average of £987). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £1,740). 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 GB to AK?

Find hourly flight availability from United Kingdom 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 12 September 2025.

When flying from United Kingdom 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.

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 12 September 2025.
Read reviews from past customers who have flown with KLM, Virgin Atlantic, andIcelandair from the United Kingdom to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to Alaska?

    Airlines like Icelandair, Delta, and American Airlines fly from United Kingdom to Alaska in about 20h 18m. The time it takes to get you to your destination can typically vary by up to 23h 34m. The distance from United Kingdom to Alaska is about 4133 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as £551. Users have also found prices from £662 and £744 on Scandinavian Airlines and Icelandair, respectively.

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

    Yes. In addition to deals on United Kingdom to Alaska flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Alaska?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Alaska?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Alaska (average of £987). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £1,740). 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 United Kingdom to Alaska

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

Top 7 airlines flying from United Kingdom to Alaska

Discover the top 7 airlines that operate flights from United Kingdom 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£532Average£743FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£646Average£851FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£703Average£1,336FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£797Average£1,256FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£1,044Average£1,261FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£1,057Average£1,270FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£1,058Average£1,367FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from United Kingdom to Alaska?

Cheapflights helps you search for flights from United Kingdom to Alaska via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Alaska?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Alaska by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom to Alaska with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Alaska flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to Alaska become cheaper?

Not ready to book yet? You can track prices for flights from United Kingdom to Alaska on Cheapflights with our Price Alert feature and get notified when better prices are available.

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