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Cheap flights from London Heathrow Airport to Alaska from £517

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
12 Feb — 19 Feb1
1 adult

Cheap flight deals from Heathrow to Alaska

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Alaska (USAK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 February 2025.

Round-trip from

£784

One-way from

£517

Popular in

July

Cheapest in

February

Average price

£823
21/4-28/4
  • 21/4-28/4
  • 4 total stops
  • 56h 58m total
  • London to Alaska
WestJet
  • WestJet
  • 10/7
  • 1 total stop
  • 33h 48m total
  • London to Alaska
Highest demand for flights based on searches. 17% potential increase in price (£174 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 February 2025

Find flight deals from Heathrow to Alaska

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 7 February 2025.

Sun 7/921:25LHR - ANC
2 stops34h 02mIcelandair
Thu 11/918:00ANC - LHR
2 stops17h 20mIcelandair
Deal found 5/2£781
Mon 21/421:25LHR - ANC
2 stops37h 03mMultiple Airlines
Mon 28/407:00ANC - LHR
2 stops19h 55mMultiple Airlines
Deal found 5/2£784
Thu 4/909:50LHR - ANC
1 stop15h 27mBritish Airways
Fri 12/912:15ANC - LHR
1 stop15h 45mBritish Airways
Deal found 6/2£883
Mon 25/806:40LHR - ANC
2 stops22h 51mScandinavian Airlines
Mon 1/908:00ANC - LHR
2 stops23h 00mScandinavian Airlines
Deal found 5/2£896
Sat 8/314:50LHR - FAI
2 stops20h 32mMultiple Airlines
Sat 15/316:00FAI - LHR
1 stop36h 15mMultiple Airlines
Deal found 6/2£1,040
Wed 10/909:30LHR - ANC
1 stop12h 20mLufthansa
Tue 16/923:59ANC - LHR
2 stops20h 56mLufthansa
Deal found 5/2£1,059
Tue 18/317:05LHR - ANC
2 stops38h 54mVirgin Atlantic
Wed 26/305:55ANC - LHR
2 stops16h 55mVirgin Atlantic
Deal found 5/2£1,096
Mon 8/914:10LHR - ANC
1 stop34h 36mUnited Airlines
Sun 14/923:59ANC - LHR
2 stops45h 31mUnited Airlines
Deal found 5/2£1,113
Tue 11/309:10LHR - ANC
1 stop17h 54mDelta
Mon 17/301:05ANC - LHR
2 stops22h 00mDelta
Deal found 5/2£1,118
Mon 21/408:40LHR - ANC
2 stops20h 42mKLM
Sun 27/401:26ANC - LHR
1 stop27h 49mKLM
Deal found 5/2£1,133
Sat 8/316:25LHR - FAI
2 stops39h 59mVirgin Atlantic
Fri 14/301:35FAI - LHR
2 stops45h 40mVirgin Atlantic
Deal found 6/2£1,171
Mon 14/711:25LHR - FAI
1 stop17h 14mUnited Airlines
Tue 22/720:59FAI - LHR
1 stop24h 21mUnited Airlines
Deal found 5/2£1,225

Find flights from Heathrow to Alaska within your budget

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 7 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

21:25-01:28

2 stops37h 03m

Anchorage

Mon 28/4

07:00-11:55

2 stops19h 55m

£784

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

21:25-01:28

2 stops37h 03m

Anchorage

Sat 26/4

10:00-11:55

2 stops16h 55m

£805

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sat 8/3

14:50-02:22

2 stops20h 32m

Fairbanks

Sat 15/3

16:00-12:15

1 stop36h 15m

£1,040

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 18/3

11:35-22:51

1 stop19h 16m

Anchorage

Wed 26/3

23:53-09:40

1 stop25h 47m

£1,060

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 18/3

17:05-23:59

2 stops38h 54m

Anchorage

Wed 26/3

05:55-06:50

2 stops16h 55m

£1,096

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 11/3

09:10-19:04

1 stop17h 54m

Anchorage

Mon 17/3

01:05-07:05

2 stops22h 00m

£1,118

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 28/5

06:40-01:08

2 stops27h 28m

Anchorage

Fri 6/6

06:00-16:25

3 stops25h 25m

£1,121

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

08:40-20:22

2 stops20h 42m

Anchorage

Sun 27/4

01:26-14:15

1 stop27h 49m

£1,133

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

08:20-19:20

1 stop20h 00m

Anchorage

Sat 26/4

20:30-06:25

1 stop24h 55m

£1,134

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sun 23/3

15:00-22:51

2 stops39h 51m

Anchorage

Sun 30/3

23:44-05:55

2 stops21h 11m

£1,136

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Heathrow to Alaska

Get recent, data-driven insights about flights from Heathrow to Alaska including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Alaska?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of £987). Flying from London Heathrow Airport to Alaska in July is currently the most expensive (average of £1,796). 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 LHR to AK?

Find hourly flight availability from Heathrow 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 7 February 2025.

When flying from London Heathrow Airport 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.

Rainfall in Alaska by month

Plan your trip to Alaska by taking into account the average rainfall totals by month.

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.

Temperature in Alaska by month

Plan your trip to Alaska by taking into account the average temperature totals by month.

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).

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 7 February 2025.
See what other customers who have flown with Delta, KLM and Finnair from London to Alaska have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • What are the cheapest airlines to fly from London Heathrow Airport to Alaska one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £517. However, be on the lookout for offers from Icelandair and Lufthansa, as they are both options that can get you from London Heathrow Airport to Alaska for a low price.

  • 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Alaska?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of £987). Flying from London Heathrow Airport to Alaska in July is currently the most expensive (average of £1,796). 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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