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$351+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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 21, 2025.

This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:00 pmANC - LHR
2 stops25h 10mMultiple Airlines
Thu 1/87:40 amLHR - ANC
2 stops21h 17mMultiple Airlines
Deal found 12/17$1,578
This Delta deal was found by Cheapflights users on 12/18. 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.
Sun 12/289:15 pmANC - LHR
1 stop24h 50mDelta
Wed 1/711:05 amLHR - ANC
1 stop22h 43mDelta
Deal found 12/18$1,601
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/299:00 pmANC - LHR
1 stop23h 55mUnited Airlines
Thu 1/811:35 amLHR - ANC
1 stop20h 40mUnited Airlines
Deal found 12/17$1,610
This Delta deal was found by Cheapflights users on 12/18. 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.
Sun 12/289:15 pmANC - LHR
1 stop24h 50mDelta
Tue 1/610:45 amLHR - ANC
2 stops22h 24mDelta
Deal found 12/18$1,692
This Delta deal was found by Cheapflights users on 12/18. 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.
Sat 12/279:15 pmANC - LHR
1 stop24h 50mDelta
Wed 1/711:05 amLHR - ANC
1 stop22h 43mDelta
Deal found 12/18$1,743
This Delta deal was found by Cheapflights users on 12/18. 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.
Fri 12/266:00 amANC - LHR
1 stop16h 05mDelta
Wed 1/711:05 amLHR - ANC
1 stop22h 43mDelta
Deal found 12/18$1,803
This Delta deal was found by Cheapflights users on 12/18. 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.
Sat 12/278:15 pmANC - LHR
1 stop25h 10mDelta
Tue 1/610:45 amLHR - ANC
2 stops18h 59mDelta
Deal found 12/18$1,834
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/2511:59 pmANC - LHR
1 stop24h 41mUnited Airlines
Tue 1/61:00 pmLHR - ANC
2 stops39h 57mUnited Airlines
Deal found 12/18$1,885
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/251:30 amANC - LHR
1 stop23h 10mUnited Airlines
Tue 1/611:35 amLHR - ANC
1 stop20h 40mUnited Airlines
Deal found 12/19$1,889
This Delta deal was found by Cheapflights users on 12/18. 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 12/231:50 amFAI - LHR
1 stop23h 40mDelta
Sun 12/286:30 amLHR - FAI
2 stops27h 15mDelta
Deal found 12/18$2,087
This Orbitz deal was found by Cheapflights users on 12/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:15 amFAI - LHR
2 stops21h 15mMultiple Airlines
Sun 12/287:40 amLHR - FAI
2 stops28h 10mMultiple Airlines
Deal found 12/18$2,257
This Ovago deal was found by Cheapflights users on 12/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:35 amFAI - LHR
1 stop24h 45mBritish Airways
Sun 12/283:45 pmLHR - FAI
2 stops20h 05mBritish Airways
Deal found 12/18$2,489

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 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$823
(Cheapflightsfares)

One-way from

$351
(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 21, 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 2/24

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

11:35 am-10:50 pm

1 stop19h 15m

$849

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/23

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Mon 3/9

10:25 am-8:01 pm

1 stop17h 36m

$850

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 1/31

1:30 am-4:00 pm

3 stops29h 30m

London Heathrow

Sun 2/8

7:30 pm-12:22 am

3 stops37h 52m

$851

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/16

8:00 am-10:50 am

2 stops17h 50m

London Heathrow

Tue 2/24

12:15 pm-9:49 pm

2 stops18h 34m

$860

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 2/3

8:00 am-10:50 am

2 stops17h 50m

London Heathrow

Tue 2/10

8:35 pm-10:52 pm

2 stops35h 17m

$862

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 1/16

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Thu 1/29

6:35 am-11:15 pm

2 stops25h 40m

$868

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 1/31

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Sun 2/8

2:05 pm-12:22 am

2 stops43h 17m

$869

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 1/16

9:00 am-9:40 am

1 stop15h 40m

London Heathrow

Fri 1/23

6:35 am-11:15 pm

2 stops25h 40m

$876

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 2/2

9:00 am-9:20 pm

2 stops27h 20m

London Heathrow

Mon 2/9

7:40 am-7:57 pm

2 stops21h 17m

$876

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 2/2

1:30 am-10:30 am

1 stop24h 00m

London Heathrow

Tue 2/10

6:30 am-12:22 am

2 stops26h 52m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 28 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 21, 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, Icelandair, and KLM fly from Alaska to London Heathrow Airport in about 15h 40m. The time it takes to get you to your destination can typically vary by up to 8h 20m. 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
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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$1,327FlexibilityNo cancel feeOn-time69%
DeltaCheapest$776Average$1,038FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$876Average$1,300FlexibilityNo cancel feeOn-time70%

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