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Heathrow

$339+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:19 pm
ANC
-
LHR
1 stop25h 56m
United Airlines
Wed 8/196:55 am
LHR
-
ANC
2 stops22h 04m
United Airlines
Deal found 7/14$813
This Flighttix deal was found by Cheapflights users on 7/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:20 pm
ANC
-
LHR
2 stops27h 40m
Multiple Airlines
Wed 8/196:55 am
LHR
-
ANC
2 stops26h 04m
Multiple Airlines
Deal found 7/17$861
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:23 pm
ANC
-
LHR
1 stop16h 12m
Delta
Wed 10/286:30 am
LHR
-
ANC
2 stops22h 25m
Delta
Deal found 7/17$886
This Delta deal was found by Cheapflights users on 7/18. 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 10/2511:30 am
ANC
-
LHR
1 stop15h 00m
Delta
Wed 2/36:30 am
LHR
-
ANC
2 stops18h 48m
Delta
Deal found 7/18$887
This FlightHub deal was found by Cheapflights users on 7/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:44 pm
ANC
-
LHR
2 stops26h 26m
Multiple Airlines
Wed 2/36:35 am
LHR
-
ANC
2 stops21h 59m
Multiple Airlines
Deal found 7/18$891
This Expedia deal was found by Cheapflights users on 7/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:20 am
ANC
-
LHR
1 stop19h 45m
Alaska Airlines
Wed 10/282:45 pm
LHR
-
ANC
1 stop16h 03m
Alaska Airlines
Deal found 7/17$897
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:05 am
ANC
-
LHR
1 stop19h 15m
Alaska Airlines
Wed 2/32:45 pm
LHR
-
ANC
1 stop18h 25m
Alaska Airlines
Deal found 7/15$898
This FlightHub deal was found by Cheapflights users on 7/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:44 pm
ANC
-
LHR
2 stops25h 26m
Multiple Airlines
Mon 11/167:15 pm
LHR
-
ANC
2 stops36h 24m
Multiple Airlines
Deal found 7/17$901
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:24 am
ANC
-
LHR
1 stop24h 56m
Alaska Airlines
Thu 11/122:45 pm
LHR
-
ANC
2 stops28h 02m
Alaska Airlines
Deal found 7/15$902
This Delta deal was found by Cheapflights users on 7/13. 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 9/222:28 pm
ANC
-
LHR
1 stop16h 07m
Delta
Tue 9/2911:45 am
LHR
-
ANC
2 stops21h 47m
Delta
Deal found 7/13$903
This lastminute.com deal was found by Cheapflights users on 7/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:00 pm
FAI
-
LHR
2 stops27h 40m
Virgin Atlantic
Thu 8/2012:25 pm
LHR
-
FAI
1 stop17h 24m
Virgin Atlantic
Deal found 7/13$935
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 8/1610:00 pm
FAI
-
LHR
2 stops24h 10m
Delta
Thu 8/2011:30 am
LHR
-
FAI
2 stops22h 04m
Delta
Deal found 7/13$939

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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$813
(United Airlines)

One-way from

$339
(Delta)

Popular in

June

Cheapest in

January

Average price

$1,263
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. 17% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 18, 2026.
Use the filters below to find and compare flights from Alaska to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 8/16

8:19 pm-7:15 am

1 stop25h 56m

London Heathrow

Wed 8/19

6:55 am-7:59 pm

2 stops22h 04m

$813

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 10/21

2:23 pm-3:35 pm

1 stop16h 12m

London Heathrow

Wed 10/28

6:30 am-8:55 pm

2 stops22h 25m

$886

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/18

6:00 am-8:45 am

2 stops17h 45m

London Heathrow

Wed 12/2

6:30 am-10:36 pm

2 stops25h 06m

$930

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 10/18

4:02 pm-3:35 pm

1 stop14h 33m

London Heathrow

Sun 11/1

6:30 am-9:55 pm

2 stops23h 25m

$936

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 8/16

10:00 pm-7:10 am

2 stops24h 10m

London Heathrow

Thu 8/20

11:30 am-12:34 am

2 stops22h 04m

$939

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 11/11

6:00 am-11:40 am

2 stops20h 40m

London Heathrow

Mon 11/16

6:30 am-4:18 pm

2 stops18h 48m

$941

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 9/1

8:15 am-3:35 pm

1 stop22h 20m

London Heathrow

Tue 9/8

8:40 am-9:00 pm

2 stops21h 20m

$941

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 9/21

2:30 pm-3:35 pm

1 stop16h 05m

London Heathrow

Mon 9/28

9:55 am-12:35 am

2 stops23h 40m

$955

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 8/16

8:27 pm-6:45 am

1 stop25h 18m

London Heathrow

Thu 8/20

2:50 pm-10:59 pm

1 stop17h 09m

$962

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Sun 8/9

1:00 am-9:40 am

1 stop23h 40m

London Heathrow

Wed 8/19

2:50 pm-10:59 pm

1 stop17h 09m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 35 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of $807). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of $2,717). 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.

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 Alaska Airlines fly from Alaska to London Heathrow Airport in about 16h 12m. The time it takes to get you to your destination can typically vary by up to 9h 44m. 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, September is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of $807). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of $2,717). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Northampton
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Alaska to Heathrow

Discover the top 2 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,252FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$1,255Average$1,687FlexibilityNo cancel feeOn-time70%

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