Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Alaska from £502

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
22 Jun — 29 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Alaska

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Alaska
Explore the most affordable flight options available from Heathrow to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 May 2026.

Fri 4/917:00
LHR
-
ANC
2 stops38h 22m
Scandinavian Airlines
Sat 5/901:30
ANC
-
LHR
2 stops31h 10m
Scandinavian Airlines
Deal found 20/5£732
Thu 3/919:30
LHR
-
ANC
2 stops35h 52m
Scandinavian Airlines
Sat 5/901:30
ANC
-
LHR
2 stops31h 10m
Scandinavian Airlines
Deal found 20/5£736
Tue 1/913:05
LHR
-
ANC
2 stops21h 31m
Multiple Airlines
Mon 7/901:29
ANC
-
LHR
2 stops25h 26m
Multiple Airlines
Deal found 20/5£744
Mon 2/1120:35
LHR
-
ANC
2 stops34h 15m
Icelandair
Mon 16/1108:00
ANC
-
LHR
2 stops26h 30m
Icelandair
Deal found 21/5£744
Sat 29/806:40
LHR
-
ANC
2 stops22h 29m
Scandinavian Airlines
Sat 5/901:30
ANC
-
LHR
2 stops35h 10m
Scandinavian Airlines
Deal found 20/5£766
Sat 29/806:40
LHR
-
ANC
2 stops22h 29m
Scandinavian Airlines
Fri 4/901:30
ANC
-
LHR
2 stops46h 50m
Scandinavian Airlines
Deal found 20/5£796
Sun 30/821:25
LHR
-
ANC
2 stops27h 41m
Multiple Airlines
Tue 8/906:07
ANC
-
LHR
1 stop23h 58m
Multiple Airlines
Deal found 20/5£808
Sat 29/821:25
LHR
-
ANC
2 stops27h 41m
Multiple Airlines
Tue 8/906:07
ANC
-
LHR
1 stop23h 58m
Multiple Airlines
Deal found 20/5£811
Sat 30/507:30
LHR
-
ANC
1 stop16h 20m
Multiple Airlines
Sat 6/616:50
ANC
-
LHR
1 stop14h 50m
Multiple Airlines
Deal found 20/5£814
Wed 2/913:05
LHR
-
ANC
2 stops31h 07m
Multiple Airlines
Tue 8/906:07
ANC
-
LHR
1 stop23h 58m
Multiple Airlines
Deal found 20/5£842
Mon 31/821:25
LHR
-
ANC
2 stops37h 11m
Icelandair
Mon 7/917:06
ANC
-
LHR
2 stops42h 14m
Icelandair
Deal found 20/5£843
Thu 5/1112:15
LHR
-
FAI
2 stops22h 36m
Multiple Airlines
Thu 19/1105:30
FAI
-
LHR
2 stops29h 00m
Multiple Airlines
Deal found 19/5£882

Find flight deals from Heathrow to Alaska

Keep the following information in mind while searching for Heathrow to Alaska flight deals. Data was last updated 23 May 2026.

Round-trip from

£732

One-way from

£502

Popular in

July

Cheapest in

October

Average price

£759
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/9-5/9
  • 4 total stops
  • 69h 32m total
  • London to Alaska
Search Deals
Icelandair
  • Icelandair
  • 25/8
  • 2 total stops
  • 34h 20m total
  • London to Alaska
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 23 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 31/8

19:30-22:22

2 stops35h 52m

Anchorage

Sat 5/9

01:30-17:40

2 stops31h 10m

£766

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

06:40-01:35

2 stops27h 55m

Anchorage

Sat 5/9

01:30-17:40

2 stops31h 10m

£766

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

£882

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 4/7

14:10-12:30

1 stop31h 20m

Anchorage

Sun 12/7

21:57-08:05

1 stop25h 08m

£928

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 4/9

21:25-01:36

2 stops37h 11m

Anchorage

Wed 9/9

09:05-11:55

2 stops17h 50m

£950

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 2/9

13:05-01:36

2 stops21h 31m

Anchorage

Sun 6/9

12:21-20:20

2 stops22h 59m

£980

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 25/8

06:40-23:59

3 stops26h 19m

Anchorage

Fri 4/9

06:00-13:35

3 stops22h 35m

£981

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Wed 2/9

17:00-01:48

1 stop17h 48m

Fairbanks

Sat 12/9

21:44-15:05

2 stops32h 21m

£1,017

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 1/9

07:05-22:22

3 stops24h 17m

Anchorage

Tue 8/9

06:00-17:40

3 stops26h 40m

£1,048
Fastest return journey

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 22/6

17:00-11:57

2 stops27h 57m

Anchorage

Mon 29/6

14:44-15:05

1 stop15h 21m

£1,060

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Heathrow 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 Heathrow Airport to Alaska

How much does it cost for a return flight from London Heathrow Airport to Alaska?

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 23 May 2026.
Read reviews from past customers who have flown with Virgin Atlantic and Icelandair from London Heathrow Airport to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
657 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.5

Entertainment

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Alaska?

    Airlines like Scandinavian Airlines, Icelandair, and Alaska Airlines fly from London Heathrow Airport to Alaska in about 17h 48m. The time it takes to get you to your destination can typically vary by up to 19h 23m. There are 4213 mi between London Heathrow Airport and Alaska. 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 Heathrow to Alaska that include hotel bookings?

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

  • How can I find direct flights from Heathrow to Alaska?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

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 Heathrow to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
Heathrow to LaGuardia flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Los Angeles flights
Luton to John F Kennedy Intl flights
Heathrow to Orlando flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to Boston flights
Heathrow to Miami flights
Heathrow to San Francisco flights
Heathrow to Dulles Intl flights
London City to Newark flights
Heathrow to Las Vegas flights
Gatwick to Boston flights
Heathrow to O'Hare Intl flights
Heathrow to Baltimore flights
Heathrow to Seattle flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Los Angeles flights
Gatwick to Orlando flights
Stansted to Los Angeles flights
Stansted to LaGuardia flights
London City to Los Angeles flights
Stansted to Orlando flights
Heathrow to Atlanta flights
Gatwick to Miami flights
Gatwick to San Francisco flights
Gatwick to Dulles Intl flights
Stansted to Miami flights
London City to Miami flights
London City to Boston flights
Stansted to San Francisco flights
Stansted to Dulles Intl flights
London City to San Francisco flights
Heathrow to Hobby flights
Heathrow to Reagan-National flights
Stansted to Boston flights
London City to Dulles Intl flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Gatwick to Baltimore flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Luton to Los Angeles flights

Top 2 airlines flying from Heathrow to Alaska

Discover the top 2 airlines that operate flights from Heathrow 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£654Average£741FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£1,074Average£1,251FlexibilityNo 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 Heathrow to Alaska?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow 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 Heathrow to Alaska?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Alaska from Heathrow.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Alaska with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to Alaska flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

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

Book with Flexibility

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

Travel Smart

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.