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Heathrow

$423+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:00 am
ANC
-
LHR
2 stops22h 50m
Lufthansa
Mon 3/97:30 pm
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 1/18$781
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/279:00 am
ANC
-
LHR
1 stop15h 40m
United Airlines
Tue 2/34:40 pm
LHR
-
ANC
2 stops36h 17m
United Airlines
Deal found 1/20$787
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/109:10 pm
ANC
-
LHR
2 stops28h 10m
United Airlines
Wed 3/181:25 pm
LHR
-
ANC
2 stops38h 36m
United Airlines
Deal found 1/19$797
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 3/111:45 pm
ANC
-
LHR
2 stops21h 10m
United Airlines
Tue 3/171:25 pm
LHR
-
ANC
2 stops38h 36m
United Airlines
Deal found 1/19$802
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 10/48:55 pm
ANC
-
LHR
1 stop24h 50m
United Airlines
Fri 10/232:05 pm
LHR
-
ANC
2 stops38h 40m
United Airlines
Deal found 1/19$813
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:55 pm
ANC
-
LHR
2 stops28h 05m
Air Canada
Fri 10/239:30 am
LHR
-
ANC
2 stops43h 15m
Air Canada
Deal found 1/19$817
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 4/269:04 pm
ANC
-
LHR
1 stop24h 41m
United Airlines
Wed 5/65:40 pm
LHR
-
ANC
2 stops32h 21m
United Airlines
Deal found 1/19$818
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:10 am
ANC
-
LHR
1 stop17h 50m
British Airways
Wed 8/2610:05 am
LHR
-
ANC
1 stop22h 01m
British Airways
Deal found 1/19$819
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:04 pm
ANC
-
LHR
2 stops26h 31m
Air Canada
Wed 5/62:05 pm
LHR
-
ANC
2 stops39h 01m
Air Canada
Deal found 1/19$821
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:30 pm
ANC
-
LHR
1 stop24h 50m
British Airways
Wed 5/68:55 am
LHR
-
ANC
1 stop18h 55m
British Airways
Deal found 1/19$822
This Scandinavian Airlines deal was found by Cheapflights users on 1/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/311:30 am
FAI
-
LHR
3 stops29h 30m
Multiple Airlines
Sat 2/76:40 am
LHR
-
FAI
3 stops26h 42m
Multiple Airlines
Deal found 1/19$895
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 5/178:55 pm
FAI
-
LHR
1 stop24h 50m
United Airlines
Sun 5/312:50 pm
LHR
-
FAI
1 stop16h 59m
United Airlines
Deal found 1/20$1,000

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$781
(Cheapflightsfares)

One-way from

$423
(KAYAK)

Popular in

January

Cheapest in

April

Average price

$1,582
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. 13% potential increase in price ($183 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 January 2026
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 January 20, 2026.
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

Sun 3/1

11:45 pm-9:40 am

1 stop24h 55m

London Heathrow

Tue 3/17

1:25 pm-8:01 pm

2 stops38h 36m

$797

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 4/27

9:04 pm-6:45 am

1 stop24h 41m

London Heathrow

Tue 5/5

5:40 pm-5:01 pm

2 stops32h 21m

$818

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 4/26

9:04 pm-6:55 am

2 stops24h 51m

London Heathrow

Fri 5/8

8:00 am-5:01 pm

1 stop18h 01m

$826

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 4/28

11:47 pm-6:45 am

2 stops21h 58m

London Heathrow

Fri 5/8

8:00 am-5:01 pm

1 stop18h 01m

$826

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

$827

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 3/22

11:52 pm-9:40 am

1 stop25h 48m

London Heathrow

Sat 4/4

6:55 am-10:45 pm

2 stops24h 50m

$843

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sat 1/31

1:30 am-4:00 pm

3 stops29h 30m

London Heathrow

Sat 2/7

6:40 am-12:22 am

3 stops26h 42m

$895

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 5/17

8:55 pm-6:45 am

1 stop24h 50m

London Heathrow

Sun 5/31

2:50 pm-10:49 pm

1 stop16h 59m

$1,000

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 5/14

1:30 am-6:45 am

2 stops20h 15m

London Heathrow

Fri 5/22

5:40 pm-12:06 am

1 stop15h 26m

$1,023

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 5/14

1:30 am-3:35 pm

1 stop29h 05m

London Heathrow

Fri 5/22

11:40 am-12:06 am

1 stop21h 26m

$1,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 33 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 $693). 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.

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 United Airlines, Delta, and KLM fly from Alaska to London Heathrow Airport in about 20h 15m. The time it takes to get you to your destination can typically vary by up to 8h 50m. 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 $693). 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
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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 Alaska to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to London City flights
Atlanta to Heathrow flights
Boston to London City flights
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Newark to Stansted flights
Dulles Intl to Gatwick flights
Newark to Luton flights
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Hobby to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to London City flights
Dulles Intl to Stansted flights
Los Angeles to Gatwick flights
Boston to Stansted flights
Tampa to Heathrow flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Baltimore to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Reagan-National to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
O'Hare Intl to London City flights
Charlotte to Heathrow flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
O'Hare Intl to Stansted flights
Austin to Heathrow flights
Detroit to Heathrow flights
Portland to Heathrow flights

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$1,327FlexibilityNo cancel feeOn-time69%
DeltaCheapest$776Average$1,012FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$876Average$1,255FlexibilityNo cancel feeOn-time70%

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