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Cheap flights from London Heathrow Airport to Alaska from £441

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Heathrow to Alaska

Keep the following information in mind while searching for Heathrow to Alaska flight deals. Data was last updated 28 March 2025.

Round-trip from

£759

One-way from

£441

Popular in

July

Cheapest in

February

Average price

£1,097
Icelandair
  • Icelandair
  • 2/5-4/5
  • 4 total stops
  • 57h 02m total
  • London to Alaska
2/5
  • 2/5
  • 2 total stops
  • 42h 18m total
  • London to Alaska
Highest demand for flights based on searches. 18% potential increase in price (£183 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in March 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 28 March 2025.

Fri 2/513:05LHR - ANC
2 stops18h 27mIcelandair
Sun 4/512:20ANC - LHR
2 stops38h 35mIcelandair
Deal found 27/3£759
Mon 21/421:25LHR - ANC
2 stops58h 07mMultiple Airlines
Mon 28/405:00ANC - LHR
2 stops21h 55mMultiple Airlines
Deal found 27/3£789
Thu 1/509:50LHR - ANC
1 stop15h 37mBritish Airways
Mon 5/509:05ANC - LHR
1 stop18h 55mBritish Airways
Deal found 27/3£792
Fri 23/506:40LHR - ANC
2 stops25h 27mScandinavian Airlines
Sun 1/606:05ANC - LHR
3 stops25h 20mScandinavian Airlines
Deal found 27/3£857
Sun 11/513:25LHR - FAI
2 stops30h 54mMultiple Airlines
Sun 18/510:00FAI - LHR
1 stop16h 20mMultiple Airlines
Deal found 27/3£939
Mon 21/411:05LHR - ANC
1 stop17h 16mLufthansa
Mon 28/420:30ANC - LHR
2 stops24h 25mLufthansa
Deal found 27/3£1,052
Sat 26/406:30LHR - ANC
2 stops25h 07mUnited Airlines
Tue 29/420:30ANC - LHR
2 stops28h 30mUnited Airlines
Deal found 27/3£1,105
Mon 12/506:30LHR - ANC
2 stops18h 50mDelta
Sun 18/500:59ANC - LHR
2 stops20h 26mDelta
Deal found 28/3£1,120
Mon 12/506:30LHR - ANC
2 stops18h 50mKLM
Sun 18/500:59ANC - LHR
1 stop28h 16mKLM
Deal found 28/3£1,127
Sun 11/520:55LHR - FAI
2 stops36h 33mKLM
Sat 17/501:45FAI - LHR
1 stop27h 30mKLM
Deal found 27/3£1,188
Tue 1/710:00LHR - ANC
2 stops21h 43mFinnair
Tue 22/720:11ANC - LHR
2 stops25h 04mFinnair
Deal found 27/3£1,194
Mon 25/814:10LHR - ANC
1 stop34h 32mAir Canada
Mon 1/916:35ANC - LHR
1 stop35h 45mAir Canada
Deal found 27/3£1,400

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 28 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Alaska that are best for you.

Fly from

Heathrow

Fly to

Alaska

Route

Depart

Return

Price

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 2/5

13:05-22:32

2 stops18h 27m

Anchorage

Sun 4/5

12:20-11:55

2 stops38h 35m

£759

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

21:25-22:32

2 stops58h 07m

Anchorage

Mon 28/4

05:00-11:55

2 stops21h 55m

£789

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Thu 1/5

09:50-16:27

1 stop15h 37m

Anchorage

Mon 5/5

09:05-13:00

1 stop18h 55m

£792

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 23/5

06:40-23:07

2 stops25h 27m

Anchorage

Sun 1/6

06:05-16:25

3 stops25h 20m

£857

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sun 11/5

13:25-11:19

2 stops30h 54m

Fairbanks

Sun 18/5

10:00-11:20

1 stop16h 20m

£939

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 21/4

11:05-19:21

1 stop17h 16m

Anchorage

Mon 28/4

20:30-05:55

2 stops24h 25m

£1,052

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Sat 26/4

06:30-22:37

2 stops25h 07m

Anchorage

Tue 29/4

20:30-10:00

2 stops28h 30m

£1,105

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 12/5

06:30-16:20

2 stops18h 50m

Anchorage

Sun 18/5

00:59-06:25

2 stops20h 26m

£1,120

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 12/5

06:30-16:20

2 stops18h 50m

Anchorage

Sun 18/5

00:59-14:15

1 stop28h 16m

£1,127

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Sun 11/5

20:55-00:28

2 stops36h 33m

Fairbanks

Sat 17/5

01:45-14:15

1 stop27h 30m

£1,188

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 25 results
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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

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 28 March 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 28 March 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.

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 £667. However, be on the lookout for offers from Icelandair and Scandinavian Airlines, 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

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.

Top 5 airlines flying from Heathrow to Alaska

Discover the top 5 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£654Average£786FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£737Average£1,233FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£777Average£1,123FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£1,008Average£1,282FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£1,156Average£1,303FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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