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$471+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:00 pmANC - LHR
2 stops25h 10mMultiple Airlines
Wed 1/77:40 amLHR - ANC
2 stops48h 35mMultiple Airlines
Deal found 12/10$1,070
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:00 pmANC - LHR
1 stop25h 55mUnited Airlines
Wed 1/71:25 pmLHR - ANC
2 stops39h 32mUnited Airlines
Deal found 12/10$1,085
This KLM deal was found by Cheapflights users on 12/10. 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 12/306:00 amANC - LHR
1 stop16h 05mKLM
Wed 1/712:20 pmLHR - ANC
1 stop20h 49mKLM
Deal found 12/10$1,423
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:50 amFAI - LHR
1 stop23h 40mDelta
Mon 12/2912:20 pmLHR - FAI
1 stop21h 25mDelta
Deal found 12/10$1,590
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:59 pmANC - LHR
1 stop24h 41mUnited Airlines
Mon 12/221:50 pmLHR - ANC
2 stops43h 35mUnited Airlines
Deal found 12/11$1,741
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:59 pmANC - LHR
2 stops24h 11mUnited Airlines
Wed 1/1411:10 amLHR - ANC
2 stops45h 05mUnited Airlines
Deal found 12/10$1,871
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:00 pmANC - LHR
2 stops29h 20mMultiple Airlines
Thu 12/256:35 amLHR - ANC
2 stops25h 21mMultiple Airlines
Deal found 12/11$1,914
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:48 pmFAI - LHR
1 stop30h 22mMultiple Airlines
Thu 1/111:45 amLHR - FAI
2 stops21h 50mMultiple Airlines
Deal found 12/10$10,973

Find flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$726
(Trip.com)

One-way from

$471
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,388
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 ($187 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 December 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 December 12, 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

Sat 1/10

8:00 am-10:50 am

2 stops17h 50m

London Heathrow

Fri 1/23

12:15 pm-10:52 pm

2 stops19h 37m

$754

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/24

9:00 am-2:45 pm

2 stops20h 45m

London Heathrow

Mon 3/9

7:40 am-10:50 pm

2 stops23h 10m

$841

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 1/11

5:55 am-10:30 am

1 stop19h 35m

London Heathrow

Sun 1/18

6:30 am-12:09 am

2 stops26h 39m

$843

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 1/10

8:22 pm-7:50 am

1 stop26h 28m

London Heathrow

Fri 1/23

8:40 am-6:56 pm

2 stops19h 16m

$843

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 1/10

1:20 am-6:20 am

2 stops20h 00m

London Heathrow

Sun 1/18

6:30 am-8:44 pm

2 stops23h 14m

$848

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

7:40 am-10:50 pm

2 stops23h 10m

$866

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 1/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Sat 1/31

6:35 am-11:15 pm

2 stops25h 40m

$868

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 1/23

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Sat 1/31

6:30 am-12:22 am

2 stops26h 52m

$878

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 1/23

1:30 am-6:50 am

2 stops20h 20m

London Heathrow

Sat 1/31

6:30 am-12:22 am

2 stops26h 52m

$882

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 1/23

11:05 am-12:20 pm

1 stop16h 15m

London Heathrow

Tue 1/27

9:25 am-7:30 pm

1 stop19h 05m

$1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 23 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 December 12, 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.

How much does it cost to fly round-trip from Alaska to London Heathrow Airport?

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 Lufthansa, KLM, and British Airways fly from Alaska to London Heathrow Airport in about 16h 15m. The time it takes to get you to your destination can typically vary by up to 4h 30m. There are 4213 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$1,311FlexibilityNo cancel feeOn-time69%
DeltaCheapest$776Average$1,038FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$876Average$1,300FlexibilityNo cancel feeOn-time70%

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