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Cheap flights from the United Kingdom to Alaska from £455

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to Alaska

Enter your travel dates to find the best prices.

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 5 November 2025.

Tue 2/1212:15LHR - FAI
2 stops21h 24mMultiple Airlines
Mon 8/1202:18FAI - LHR
2 stops23h 32mMultiple Airlines
Deal found 4/11£712
Thu 27/1111:20LHR - ANC
1 stop22h 20mMultiple Airlines
Wed 10/1209:00ANC - LHR
2 stops22h 50mMultiple Airlines
Deal found 4/11£727
Tue 2/1211:55LGW - FAI
2 stops23h 43mMultiple Airlines
Tue 9/1205:55FAI - LGW
2 stops20h 00mMultiple Airlines
Deal found 4/11£767
Sat 6/1211:20LHR - ANC
2 stops22h 31mMultiple Airlines
Thu 11/1206:05ANC - LHR
2 stops25h 45mMultiple Airlines
Deal found 5/11£773
Wed 12/1111:55LGW - FAI
2 stops23h 46mMultiple Airlines
Thu 20/1105:55FAI - LGW
2 stops20h 00mMultiple Airlines
Deal found 4/11£785
Wed 12/1112:15LHR - FAI
2 stops23h 26mMultiple Airlines
Thu 20/1105:55FAI - LHR
2 stops19h 55mMultiple Airlines
Deal found 4/11£787
Sat 6/1211:55LGW - ANC
2 stops18h 49mIcelandair
Thu 11/1206:05ANC - LGW
2 stops19h 50mIcelandair
Deal found 5/11£788
Thu 27/1111:55LGW - ANC
2 stops34h 28mMultiple Airlines
Wed 10/1206:05ANC - LGW
2 stops19h 50mMultiple Airlines
Deal found 4/11£821
Tue 2/1212:15LHR - FAI
2 stops18h 28mIcelandair
Mon 8/1202:18FAI - LHR
2 stops23h 32mIcelandair
Deal found 4/11£856
Sat 6/1211:55LGW - ANC
2 stops18h 49mMultiple Airlines
Wed 10/1201:20ANC - LGW
2 stops24h 35mMultiple Airlines
Deal found 5/11£870
Wed 5/1120:35LHR - ANC
2 stops34h 13mIcelandair
Wed 12/1108:00ANC - LHR
2 stops17h 50mIcelandair
Deal found 4/11£886
Wed 5/1120:35LHR - ANC
2 stops34h 13mMultiple Airlines
Tue 11/1108:00ANC - LHR
2 stops17h 50mMultiple Airlines
Deal found 4/11£892

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 5 November 2025.

Round-trip from

£658

One-way from

£455

Popular in

January

Cheapest in

September

Average price

£1,053
Icelandair
  • Icelandair
  • 1/2-10/2
  • 4 total stops
  • 36h 51m total
  • United Kingdom to Alaska
Search Deals
2/12
  • 2/12
  • 3 total stops
  • 25h 09m total
  • United Kingdom to Alaska
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 5 November 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

Thu 8/1

14:45-22:52

1 stop17h 07m

Anchorage

Wed 14/1

00:38-12:50

1 stop27h 12m

£687

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 31/1

20:35-21:51

2 stops34h 16m

Anchorage

Sat 7/2

08:00-10:50

2 stops17h 50m

£698

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 11/4

15:40-01:28

2 stops42h 48m

Anchorage

Sat 18/4

05:00-14:40

2 stops24h 40m

£707

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Tue 2/12

12:15-00:39

2 stops21h 24m

Fairbanks

Tue 9/12

05:55-10:50

2 stops19h 55m

£712

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 11/4

21:25-01:28

2 stops37h 03m

Anchorage

Sat 18/4

12:00-20:20

2 stops23h 20m

£730

LondonFairbanks

LGW - FAI

LGWFAI

London Gatwick

Tue 2/12

11:55-02:38

2 stops23h 43m

Fairbanks

Tue 9/12

05:55-10:55

2 stops20h 00m

£767

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 31/1

12:15-21:51

2 stops18h 36m

Anchorage

Fri 6/2

00:38-10:50

2 stops25h 12m

£774

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Sat 6/12

11:55-21:44

2 stops18h 49m

Anchorage

Thu 11/12

06:05-10:55

2 stops19h 50m

£788

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 6/12

11:20-00:30

1 stop22h 10m

Anchorage

Thu 11/12

09:00-16:50

2 stops22h 50m

£788

ManchesterAnchorage

MAN - ANC

MANANC

Manchester

Tue 3/2

11:55-21:51

2 stops18h 56m

Anchorage

Tue 10/2

08:00-10:45

2 stops17h 45m

£801

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 49 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, September is the cheapest month in which you can book a flight from United Kingdom to Alaska (average of £623). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £1,014). 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 5 November 2025.

It’s typically best to fly out from United Kingdom to Alaska in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

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 5 November 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.
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
672 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
571 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,555 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,496 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 Virgin Atlantic fly from United Kingdom to Alaska in about 25h 16m. The time it takes to get you to your destination can typically vary by up to 23h 22m. The distance from United Kingdom to Alaska is about 4475 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 United Airlines. According to our data, you can fly for as low as £770. Users have also found prices from £885 and £1,426 on Delta and Virgin Atlantic, 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, September is the cheapest month in which you can book a flight from United Kingdom to Alaska (average of £623). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £1,014). 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.
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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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£671Average£889FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£687Average£772FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£716Average£1,345FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£828Average£1,305FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£1,083Average£1,330FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£1,098Average£1,307FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£1,100Average£1,427FlexibilityNo 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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