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Alaska

$518+ Cheap flights from Heathrow (LHR) to Alaska

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ANC
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(flugladen.de)

One-way from

$518
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,106
Provider with most accurate pricing for London (LON)-Anchorage flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Anchorage flights.
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From London Heathrow to Alaska
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One-way flight from London Heathrow to Alaska
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Highest demand for flights based on searches. 11% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 14, 2025.

This flugladen.de deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:15 pmLHR - FAI
2 stops23h 26mMultiple Airlines
Tue 11/185:55 amFAI - LHR
2 stops19h 55mMultiple Airlines
Deal found 10/14$822
This oojo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:15 pmLHR - ANC
2 stops18h 33mIcelandair
Thu 11/138:00 amANC - LHR
2 stops26h 30mIcelandair
Deal found 10/12$840
This Trip.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:15 pmLHR - FAI
2 stops21h 11mMultiple Airlines
Wed 12/35:55 amFAI - LHR
2 stops19h 55mMultiple Airlines
Deal found 10/12$867
This oojo deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:15 pmLHR - ANC
2 stops18h 33mIcelandair
Thu 11/208:00 amANC - LHR
2 stops26h 30mIcelandair
Deal found 10/14$900
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmLHR - ANC
2 stops18h 33mIcelandair
Fri 4/310:00 amANC - LHR
2 stops25h 20mIcelandair
Deal found 10/14$907
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:35 pmLHR - ANC
2 stops34h 22mIcelandair
Fri 4/310:00 amANC - LHR
2 stops25h 20mIcelandair
Deal found 10/14$908
This Trip.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:15 pmLHR - FAI
2 stops22h 00mMultiple Airlines
Fri 1/95:51 amFAI - LHR
2 stops19h 59mMultiple Airlines
Deal found 10/14$908
This Expedia deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:15 pmLHR - ANC
2 stops22h 37mMultiple Airlines
Wed 12/37:05 amANC - LHR
2 stops18h 45mMultiple Airlines
Deal found 10/11$914
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmLHR - ANC
2 stops18h 33mIcelandair
Tue 3/3110:00 amANC - LHR
2 stops25h 20mIcelandair
Deal found 10/14$936
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmLHR - ANC
2 stops18h 33mIcelandair
Thu 4/210:00 amANC - LHR
2 stops40h 55mIcelandair
Deal found 10/14$938
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:35 pmLHR - ANC
2 stops34h 22mIcelandair
Thu 4/210:00 amANC - LHR
2 stops40h 55mIcelandair
Deal found 10/14$939
This Icelandair deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmLHR - ANC
2 stops18h 33mIcelandair
Mon 3/3012:00 pmANC - LHR
2 stops47h 20mIcelandair
Deal found 10/14$947

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 14, 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

Tue 11/4

12:15 pm-9:48 pm

2 stops18h 33m

Anchorage

Thu 11/13

8:00 am-7:30 pm

2 stops26h 30m

$840

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Tue 11/11

12:15 pm-2:41 am

2 stops23h 26m

Fairbanks

Mon 11/17

2:14 am-10:50 am

2 stops23h 36m

$842

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Wed 11/26

12:15 pm-12:26 am

2 stops21h 11m

Fairbanks

Wed 12/3

5:55 am-10:50 am

2 stops19h 55m

$867

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 1/12

8:35 pm-9:51 pm

2 stops34h 16m

Anchorage

Sun 1/18

8:00 am-7:30 pm

2 stops26h 30m

$873

LondonFairbanks

LHR - FAI

LHRFAI

London Heathrow

Wed 12/24

12:15 pm-1:15 am

2 stops22h 00m

Fairbanks

Fri 1/9

5:51 am-10:50 am

2 stops19h 59m

$908

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Wed 11/26

12:15 pm-1:52 am

2 stops22h 37m

Anchorage

Wed 12/3

7:05 am-10:50 am

2 stops18h 45m

$914

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 11/18

12:15 pm-9:48 pm

2 stops18h 33m

Anchorage

Tue 3/31

10:00 am-8:20 pm

2 stops25h 20m

$936

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Mon 1/12

12:15 pm-11:52 pm

2 stops20h 37m

Anchorage

Sat 1/17

1:10 am-10:50 am

2 stops24h 40m

$943

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Fri 11/21

12:15 pm-9:57 pm

2 stops18h 42m

Anchorage

Fri 4/3

10:00 am-8:20 pm

2 stops25h 20m

$956

LondonAnchorage

LHR - ANC

LHRANC

London Heathrow

Tue 11/18

12:15 pm-9:48 pm

2 stops18h 33m

Anchorage

Wed 4/1

12:00 pm-8:20 pm

2 stops23h 20m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 28 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 round-trip 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of $851). Flying from London Heathrow Airport to Alaska in July is currently the most expensive (average of $1,322). 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 October 14, 2025.

It’s typically best to fly out from London Heathrow Airport to Alaska at noon. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip 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 October 14, 2025.
See what other customers who have flown with Delta from London Heathrow Airport to Alaska have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Icelandair fly from London Heathrow Airport to Alaska in about 18h 33m. The time it takes to get you to your destination can typically vary by up to . There are 4471 mi between London Heathrow Airport and Alaska.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Alaska (average of $851). Flying from London Heathrow Airport to Alaska in July is currently the most expensive (average of $1,322). 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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Alternative routes for Heathrow to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Heathrow to Alaska

Discover the top airline 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 2,558,603 searches. Data last updated October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,401Average$2,070FlexibilityNo cancel feeOn-timeN/A

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