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Cheap flights from the United Kingdom to Alaska from £433

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
27 Dec — 3 Jan1
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 27 November 2025.

Thu 25/1214:55LHR - ANC
1 stop17h 47mMultiple Airlines
Thu 1/106:00ANC - LHR
1 stop21h 20mMultiple Airlines
Deal found 25/11£924
Wed 24/1211:55LGW - ANC
2 stops19h 04mIcelandair
Wed 31/1208:00ANC - LGW
2 stops17h 55mIcelandair
Deal found 24/11£992
Wed 24/1211:55LGW - ANC
2 stops21h 49mMultiple Airlines
Tue 30/1201:59ANC - LGW
2 stops23h 56mMultiple Airlines
Deal found 24/11£1,009
Sun 28/1214:50LHR - ANC
2 stops42h 54mMultiple Airlines
Sat 3/123:59ANC - LHR
1 stop29h 56mMultiple Airlines
Deal found 26/11£1,165
Sat 29/1107:30LHR - FAI
2 stops23h 34mMultiple Airlines
Sat 6/1208:00FAI - LHR
2 stops29h 20mMultiple Airlines
Deal found 26/11£1,230
Fri 28/1111:55LGW - FAI
2 stops22h 18mMultiple Airlines
Fri 5/1202:18FAI - LGW
2 stops23h 37mMultiple Airlines
Deal found 26/11£1,326
Sun 28/1214:50LHR - ANC
2 stops23h 53mMultiple Airlines
Sun 4/123:59ANC - LHR
1 stop29h 41mMultiple Airlines
Deal found 25/11£1,326
Fri 28/1112:15LHR - FAI
2 stops21h 11mMultiple Airlines
Sat 6/1208:00FAI - LHR
2 stops17h 50mMultiple Airlines
Deal found 26/11£1,328
Sun 28/1211:40LHR - ANC
2 stops21h 19mVirgin Atlantic
Sun 4/120:15ANC - LHR
2 stops38h 55mVirgin Atlantic
Deal found 25/11£1,339
Thu 25/1206:35LHR - ANC
2 stops22h 10mUnited Airlines
Wed 31/1201:30ANC - LHR
2 stops19h 25mUnited Airlines
Deal found 25/11£1,442
Sun 28/1211:35LHR - ANC
1 stop21h 50mUnited Airlines
Sun 4/121:00ANC - LHR
1 stop23h 55mUnited Airlines
Deal found 25/11£1,476
Tue 2/1210:00LHR - FAI
2 stops47h 18mDelta
Fri 5/1201:30FAI - LHR
2 stops44h 35mDelta
Deal found 26/11£1,480

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 27 November 2025.

Round-trip from

£646

One-way from

£433

Popular in

December

Cheapest in

October

Average price

£961
20/1-30/1
  • 20/1-30/1
  • 4 total stops
  • 36h 26m total
  • United Kingdom to Alaska
Search Deals
25/1
  • 25/1
  • 3 total stops
  • 34h 43m total
  • United Kingdom to Alaska
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 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 27 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

Tue 20/1

12:15-21:51

2 stops18h 36m

Anchorage

Fri 30/1

08:00-10:50

2 stops17h 50m

£646

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 14/1

11:55-22:52

2 stops19h 57m

Anchorage

Thu 22/1

08:00-10:55

2 stops17h 55m

£647

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Tue 20/1

11:55-21:51

2 stops18h 56m

Anchorage

Fri 30/1

08:00-10:55

2 stops17h 55m

£654

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 14/1

11:55-22:52

2 stops19h 57m

Anchorage

Thu 22/1

08:00-10:55

2 stops17h 55m

£661

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Mon 9/2

11:55-21:51

2 stops18h 56m

Anchorage

Fri 20/2

08:00-10:55

2 stops17h 55m

£666

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 15/1

11:55-21:51

2 stops18h 56m

Anchorage

Thu 22/1

08:00-10:55

2 stops17h 55m

£675

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Thu 15/1

11:55-21:51

2 stops18h 56m

Anchorage

Wed 21/1

02:10-10:55

2 stops23h 45m

£682

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 10/1

15:05-22:52

1 stop16h 47m

Anchorage

Sat 17/1

10:05-11:55

1 stop16h 50m

£711

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 26/5

06:40-22:22

3 stops24h 42m

Anchorage

Fri 5/6

06:00-18:30

3 stops27h 30m

£717

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 19/1

20:35-21:51

2 stops34h 16m

Anchorage

Fri 23/1

00:38-19:30

2 stops33h 52m

£725

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 55 results
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6

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 £615). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £998). 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 27 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 27 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
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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
7.0
Good
582 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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
7,594 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.8

Comfort

7.6

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, Scandinavian Airlines, and Delta fly from United Kingdom to Alaska in about 19h 57m. The time it takes to get you to your destination can typically vary by up to 4h 45m. The distance from United Kingdom to Alaska is about 4495 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £615). Flying from United Kingdom to Alaska in July is currently the most expensive (average of £998). 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

Browse thousands of different options on Cheapflights for your next trip

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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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£546Average£762FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£663Average£879FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£707Average£1,315FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£817Average£1,297FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£1,071Average£1,296FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£1,085Average£1,290FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£1,086Average£1,409FlexibilityNo 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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