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$341+ Cheap flights from Alaska to Heathrow (LHR)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from Alaska to Heathrow

Cheapest flights from Alaska to Heathrow
Explore the most affordable flight options available from Alaska to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This KLM deal was found by Cheapflights users on 11/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:05 amANC - LHR
1 stop16h 00mKLM
Tue 12/22:45 pmLHR - ANC
1 stop16h 57mKLM
Deal found 11/10$594
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:05 amANC - LHR
1 stop16h 00mKLM
Wed 12/106:30 amLHR - ANC
2 stops19h 04mKLM
Deal found 11/13$617
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:30 amANC - LHR
2 stops21h 35mDelta
Wed 12/106:30 amLHR - ANC
2 stops21h 34mDelta
Deal found 11/13$622
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:59 pmANC - LHR
2 stops22h 31mUnited Airlines
Tue 12/2311:35 amLHR - ANC
1 stop20h 21mUnited Airlines
Deal found 11/12$645
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:30 amANC - LHR
2 stops21h 35mDelta
Tue 12/2312:20 pmLHR - ANC
1 stop17h 17mDelta
Deal found 11/12$650
This Booking.com deal was found by Cheapflights users on 11/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:07 pmANC - LHR
2 stops27h 13mMultiple Airlines
Thu 11/207:40 amLHR - ANC
2 stops24h 16mMultiple Airlines
Deal found 11/12$658
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:07 pmANC - LHR
1 stop23h 48mUnited Airlines
Thu 11/206:35 amLHR - ANC
2 stops25h 21mUnited Airlines
Deal found 11/12$665
This KLM deal was found by Cheapflights users on 11/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:30 amANC - LHR
1 stop25h 00mKLM
Thu 11/208:40 amLHR - ANC
2 stops19h 06mKLM
Deal found 11/12$667
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:30 amANC - LHR
2 stops21h 25mDelta
Thu 11/206:30 amLHR - ANC
2 stops21h 16mDelta
Deal found 11/12$672
This Expedia deal was found by Cheapflights users on 11/11. 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.
Fri 12/261:55 amFAI - LHR
2 stops35h 30mMultiple Airlines
Sat 1/310:40 pmLHR - FAI
2 stops34h 55mMultiple Airlines
Deal found 11/11$2,781
This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:50 amFAI - LHR
1 stop23h 40mKLM
Sat 1/33:05 pmLHR - FAI
1 stop18h 35mKLM
Deal found 11/11$3,330
This Gurufare deal was found by Cheapflights users on 11/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:45 amFAI - LHR
1 stop16h 25mBritish Airways
Sat 1/32:55 pmLHR - FAI
1 stop16h 31mBritish Airways
Deal found 11/11$4,040

Cheap flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$594
(KLM)

One-way from

$341
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$853
Provider with most accurate pricing for Anchorage-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Anchorage-London (LON) flights.
Search Deals
From Alaska to London Heathrow
Search Deals
One-way flight from Alaska to London Heathrow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alaska to Heathrow 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 November 13, 2025.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Alaska

Fly to

Heathrow

Route

Depart

Return

Price

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 11/25

6:05 am-7:05 am

1 stop16h 00m

London Heathrow

Tue 12/2

2:45 pm-10:42 pm

1 stop16h 57m

$594

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

1:15 pm-12:50 pm

1 stop14h 35m

London Heathrow

Mon 3/9

6:20 am-8:30 pm

2 stops22h 10m

$645

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 12/2

11:59 pm-7:30 am

2 stops22h 31m

London Heathrow

Tue 12/23

11:35 am-10:56 pm

1 stop20h 21m

$645

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

Mon 3/9

6:30 am-8:30 pm

2 stops22h 00m

$646

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 12/1

12:30 am-7:05 am

2 stops21h 35m

London Heathrow

Tue 12/23

12:20 pm-8:37 pm

1 stop17h 17m

$650

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 5/3

8:45 pm-10:00 am

2 stops28h 15m

London Heathrow

Sat 5/16

2:05 pm-6:41 pm

2 stops37h 36m

$988

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 5/2

1:30 am-9:00 am

1 stop22h 30m

London Heathrow

Sat 5/16

5:25 pm-12:06 am

1 stop15h 41m

$1,000

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 5/2

1:30 am-6:45 am

2 stops20h 15m

London Heathrow

Sat 5/16

5:25 pm-12:06 am

1 stop15h 41m

$1,004

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 4/16

1:30 am-9:00 am

1 stop22h 30m

London Heathrow

Tue 4/21

6:30 am-12:06 am

2 stops26h 36m

$1,119

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Thu 2/26

2:26 pm-12:20 pm

1 stop12h 54m

London Heathrow

Mon 3/2

2:55 pm-10:38 pm

1 stop16h 43m

$1,154

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 26 results
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Best time to book a flight from Alaska to Heathrow

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

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

Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of $697). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of $1,182). 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 AK to LHR?

Find hourly flight availability from Alaska to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

One of the essential ways to save on airfare from Alaska to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 33% on airfare.

Related info for your journey

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

    Airlines like KLM, Delta, and United Airlines fly from Alaska to London Heathrow Airport in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 7h 56m. There are 4471 mi between Alaska and London Heathrow Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Alaska to London Heathrow Airport?

    The most popular flight routes from Alaska to London Heathrow Airport are Anchorage - London Heathrow, Fairbanks - London Heathrow and Juneau Intl - London Heathrow.

  • Can I find deals for flights from Alaska to Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Alaska to Heathrow 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 Alaska to London Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of $697). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of $1,182). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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Alternative routes for Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Alaska to Heathrow

Discover the top 3 airlines that operate flights from Alaska to Heathrow. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$1,311FlexibilityNo cancel feeOn-time69%
DeltaCheapest$776Average$1,084FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$876Average$1,300FlexibilityNo cancel feeOn-time70%

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