How long is the flight from United Kingdom to Alaska?

Airlines like Icelandair, Virgin Atlantic, and American Airlines fly from United Kingdom to Alaska in about 19h 59m. The time it takes to get you to your destination can typically vary by up to 14h 23m. 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.

In terms of precipitation, rainfall in Alaska ranges from 13.0 - 84.0 inches per month. August is typically the wettest month, when rainfall can reach 84.0 mm. April is typically the driest time to visit Alaska when rainfall is around 13.0 mm.

If weather is an important factor for your trip to Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 15.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -8.0 C).

How far in advance should I book a flight from United Kingdom to Alaska?

Users have found that booking a flight from United Kingdom to Alaska at least 45 days early can save you up to 47% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from United Kingdom to Alaska for as little as £938 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £1,384 for flights departing within the next 3 days.

What is the cheapest month to fly from United Kingdom to Alaska?

Our data shows that April tends to be the cheapest month to fly to Alaska from United Kingdom. Users have commonly found prices around £1,021 for the month, but tickets can be as low as £626. Due to multiple factors, prepare for potentially higher prices in August.

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.

£364+ Flights from the United Kingdom to Alaska

Cheap flight deals from United Kingdom to Alaska

Round-trip from	£670
One-way from	£364
Popular in	August
Cheapest in	April
Average price	£785

Icelandair
30/9-7/10
4 total stops
52h 17m total
United Kingdom to Alaska

Search Deals

24/9
2 total stops
22h 30m total
United Kingdom to Alaska

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£39 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 2 September 2025.

Tue 30/921:25LHR - ANC

2 stops34h 22mIcelandair

Tue 7/1009:00ANC - LHR

2 stops17h 55mIcelandair

Deal found 31/8£670

Wed 15/1010:55LGW - ANC

2 stops46h 35mMultiple Airlines

Tue 21/1001:47ANC - LGW

2 stops24h 08mMultiple Airlines

Deal found 31/8£680

Fri 17/1015:40LGW - ANC

2 stops19h 19mIcelandair

Fri 24/1010:00ANC - LGW

2 stops19h 40mIcelandair

Deal found 2/9£686

Mon 29/921:25LHR - ANC

2 stops37h 18mIcelandair

Mon 13/1011:16ANC - LHR

2 stops39h 39mIcelandair

Deal found 1/9£694

Wed 15/1009:55LHR - ANC

2 stops21h 50mMultiple Airlines

Wed 22/1004:40ANC - LHR

2 stops20h 20mMultiple Airlines

Deal found 31/8£695

Thu 16/1013:05LHR - ANC

2 stops21h 54mIcelandair

Thu 23/1010:00ANC - LHR

2 stops16h 55mIcelandair

Deal found 1/9£697

Fri 17/1010:55LGW - ANC

1 stop22h 27mMultiple Airlines

Thu 23/1000:24ANC - LGW

1 stop25h 31mMultiple Airlines

Deal found 2/9£701

Mon 29/917:25LHR - FAI

1 stop18h 20mMultiple Airlines

Sun 5/1002:00FAI - LHR

1 stop27h 15mMultiple Airlines

Deal found 1/9£702

Wed 1/1011:00LHR - ANC

2 stops19h 47mMultiple Airlines

Wed 8/1006:00ANC - LHR

1 stop20h 20mMultiple Airlines

Deal found 1/9£705

Sat 13/921:25LHR - ANC

2 stops30h 22mMultiple Airlines

Wed 24/906:35ANC - LHR

2 stops20h 20mMultiple Airlines

Deal found 31/8£709

Tue 30/913:25LHR - FAI

1 stop22h 20mMultiple Airlines

Tue 7/1006:00FAI - LHR

1 stop20h 20mMultiple Airlines

Deal found 31/8£725

Mon 29/915:40LGW - ANC

2 stops29h 10mMultiple Airlines

Mon 13/1011:16ANC - LGW

2 stops18h 19mMultiple Airlines

Deal found 1/9£728

Best flights from United Kingdom to Alaska
Discover carefully curated flight deals from United Kingdom to Alaska that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2025.

Tue 30/921:25LHR - ANC

2 stops34h 22mIcelandair

Tue 7/1009:00ANC - LHR

2 stops17h 55mIcelandair

Deal found 31/8£670

Wed 15/1010:55LGW - ANC

2 stops46h 35mMultiple Airlines

Tue 21/1001:47ANC - LGW

2 stops24h 08mMultiple Airlines

Deal found 31/8£680

Wed 15/1006:40LHR - ANC

2 stops25h 03mScandinavian Airlines

Wed 22/1006:00ANC - LHR

3 stops27h 30mScandinavian Airlines

Deal found 31/8£737

Tue 30/909:20LCY - ANC

2 stops19h 59mVirgin Atlantic

Tue 7/1011:15ANC - LCY

2 stops22h 15mVirgin Atlantic

Deal found 31/8£1,091

Wed 24/909:20LCY - FAI

2 stops24h 30mDelta

Sun 28/915:05FAI - LCY

2 stops56h 05mDelta

Deal found 31/8£1,155

Thu 13/1111:30GLA - ANC

2 stops20h 18mAmerican Airlines

Sun 16/1101:20ANC - GLA

2 stops28h 10mAmerican Airlines

Deal found 31/8£1,188

Thu 27/1115:20GLA - ANC

2 stops36h 56mBritish Airways

Sun 30/1120:21ANC - GLA

2 stops33h 09mBritish Airways

Deal found 30/8£1,204

Fri 19/906:05MAN - ANC

2 stops18h 51mUnited Airlines

Tue 23/923:45ANC - MAN

2 stops25h 35mUnited Airlines

Deal found 1/9£1,235

Fri 17/1015:40LGW - ANC

2 stops19h 19mIcelandair

Fri 24/1010:00ANC - LGW

2 stops19h 40mIcelandair

Deal found 2/9£686

Wed 15/1009:55LHR - ANC

2 stops21h 50mMultiple Airlines

Wed 22/1004:40ANC - LHR

2 stops20h 20mMultiple Airlines

Deal found 31/8£695

Mon 29/921:25LHR - ANC

2 stops37h 18mIcelandair

Mon 13/1011:16ANC - LHR

2 stops39h 39mIcelandair

Deal found 1/9£694

Fri 17/1010:55LGW - ANC

1 stop22h 27mMultiple Airlines

Thu 23/1000:24ANC - LGW

1 stop25h 31mMultiple Airlines

Deal found 2/9£701

Last-minute flights from United Kingdom to Alaska
Discover last-minute flight deals from United Kingdom to Alaska. Data last updated 2 September 2025 and is based on user searches.

Tue 2/921:25LHR - ANC

2 stops27h 21mIcelandair

Mon 8/916:46ANC - LHR

2 stops18h 34mIcelandair

Deal found 31/8£862

Tue 2/915:40LGW - ANC

2 stops40h 07mIcelandair

Mon 8/916:46ANC - LGW

2 stops36h 54mIcelandair

Deal found 31/8£906

Sat 13/921:25LHR - ANC

2 stops30h 22mMultiple Airlines

Wed 24/906:35ANC - LHR

2 stops20h 20mMultiple Airlines

Deal found 31/8£709

Mon 29/921:25LHR - ANC

2 stops37h 18mIcelandair

Mon 13/1011:16ANC - LHR

2 stops39h 39mIcelandair

Deal found 1/9£694

Mon 29/913:25LHR - FAI

1 stop18h 22mMultiple Airlines

Mon 6/1006:00FAI - LHR

1 stop20h 20mMultiple Airlines

Deal found 1/9£702

Mon 29/915:40LGW - ANC

2 stops29h 10mMultiple Airlines

Mon 13/1011:16ANC - LGW

2 stops18h 19mMultiple Airlines

Deal found 1/9£728

Mon 29/915:40LGW - FAI

2 stops20h 05mMultiple Airlines

Sun 5/1002:00FAI - LGW

2 stops27h 35mMultiple Airlines

Deal found 1/9£748

Mon 29/921:25LHR - FAI

2 stops38h 20mIcelandair

Sun 5/1002:00FAI - LHR

2 stops24h 55mIcelandair

Deal found 1/9£751

Mon 29/913:05MAN - FAI

2 stops22h 40mMultiple Airlines

Sun 5/1002:00FAI - MAN

2 stops24h 40mMultiple Airlines

Deal found 1/9£783

Tue 30/921:25LHR - ANC

2 stops34h 22mIcelandair

Tue 7/1009:00ANC - LHR

2 stops17h 55mIcelandair

Deal found 31/8£670

Tue 30/913:25LHR - FAI

1 stop22h 20mMultiple Airlines

Tue 7/1006:00FAI - LHR

1 stop20h 20mMultiple Airlines

Deal found 31/8£725

Tue 30/921:25LHR - FAI

2 stops34h 22mIcelandair

Mon 6/1002:00FAI - LHR

2 stops33h 20mIcelandair

Deal found 31/8£755

One-way flights from United Kingdom to Alaska
Search for one-way flight options from United Kingdom to Alaska. Find affordable one-way fares based on user searches. Data last updated 2 September 2025.

Wed 24/910:55LGW - ANC

2 stops22h 30mMultiple Airlines

Deal found 2/9£364

Fri 26/910:55LGW - FAI

3 stops24h 50mMultiple Airlines

Deal found 1/9£372

Mon 15/1213:05MAN - ANC

3 stops43h 36mMultiple Airlines

Deal found 31/8£424

Fri 14/1114:00LGW - ANC

2 stops33h 14mMultiple Airlines

Deal found 31/8£427

Fri 14/1119:55LHR - ANC

2 stops37h 35mMultiple Airlines

Deal found 31/8£468

Tue 30/910:50LHR - ANC

3 stops43h 34mMultiple Airlines

Deal found 31/8£483

Fri 26/919:50LHR - FAI

3 stops37h 58mMultiple Airlines

Deal found 1/9£513

Sun 14/914:10LHR - ANC

3 stops34h 46mMultiple Airlines

Deal found 31/8£562

Thu 9/1019:30LHR - ANC

2 stops36h 13mScandinavian Airlines

Deal found 31/8£637

Thu 9/1014:10LHR - ANC

2 stops17h 33mWestJet

Deal found 1/9£683

Tue 30/917:25LHR - ANC

1 stop17h 12mKLM

Deal found 31/8£717

Fri 14/1118:15LCY - ANC

2 stops36h 33mMultiple Airlines

Deal found 31/8£752

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 30/9

21:25-22:47

2 stops34h 22m

Anchorage

Tue 7/10

09:00-11:55

2 stops17h 55m

£670

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Wed 15/10

10:55-00:30

2 stops46h 35m

Anchorage

Tue 21/10

01:47-10:55

2 stops24h 08m

£680

LondonAnchorage

LGW - ANC

LGWANC

London Gatwick

Fri 17/10

15:40-01:59

2 stops19h 19m

Anchorage

Fri 24/10

10:00-14:40

2 stops19h 40m

£686

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 29/9

21:25-01:43

2 stops37h 18m

Anchorage

Mon 13/10

11:16-11:55

2 stops39h 39m

£694

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 15/10

09:55-22:45

2 stops21h 50m

Anchorage

Wed 22/10

04:40-10:00

2 stops20h 20m

£695

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 16/10

13:05-01:59

2 stops21h 54m

Anchorage

Thu 23/10

10:00-11:55

2 stops16h 55m

£697

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

£701

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Mon 29/9

17:25-02:45

1 stop18h 20m

Fairbanks

Sun 5/10

02:00-14:15

1 stop27h 15m

£702

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Tue 30/9

13:25-22:47

1 stop18h 22m

Fairbanks

Mon 6/10

02:00-11:20

1 stop24h 20m

£702

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 1/10

11:00-21:47

2 stops19h 47m

Anchorage

Wed 8/10

06:00-11:20

1 stop20h 20m

£705

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 50 results

...

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 £1,762). 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?

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

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

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,382 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

661 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Icelandair

7.0

Good

544 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Lufthansa

6.8

Okay

7,385 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,344 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

How long is the flight from United Kingdom to Alaska?
Airlines like Icelandair, Virgin Atlantic, and American Airlines fly from United Kingdom to Alaska in about 19h 59m. The time it takes to get you to your destination can typically vary by up to 14h 23m. 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.
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 £1,762). 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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Complete your trip

Alaska car hire

Anchorage Airport car hire

Fairbanks Airport car hire

Juneau Intl Airport car hire

Ketchikan Airport car hire

Sitka Airport car hire

Kenai Airport car hire

Petersburg Airport car hire

Valdez Airport car hire

Kotzebue Ralph Wien Airport car hire

Anchorage car hire

Fairbanks car hire

Direct flights to United States

United Kingdom to Alaska flights

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Manchester to Anchorage flights

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Heathrow to Fairbanks flights

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Glasgow Intl to Anchorage flights

Bristol to Anchorage flights

Cardiff to Anchorage flights

Birmingham to Fairbanks flights

Leeds to Fairbanks flights

Top 7 airlines flying from United Kingdom to Alaska

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest£532	Average£743	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£631	Average£852	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£704	Average£1,325	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£797	Average£1,257	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£1,045	Average£1,249	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£1,058	Average£1,271	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£1,059	Average£1,368	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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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Cheapflights is completely free to use, so you can start saving the moment you arrive.

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Our users can plan ahead with confidence and find flights with no change fees

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Alaska from £364

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 2 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Alaska

Cheapest flights from United Kingdom to AlaskaExplore 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 2 September 2025.

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 2 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Alaska that are best for you.

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.

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?

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 2 September 2025.

Reviews of airlines servicing Alaska

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.

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 United Kingdom to Alaska?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 2 September 2025.