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$278+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This oojo deal was found by Cheapflights users on 3/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:10 am
ANC
-
LHR
1 stop17h 50m
British Airways
Tue 9/228:55 am
LHR
-
ANC
1 stop18h 37m
British Airways
Deal found 3/14$811
This Flighttix deal was found by Cheapflights users on 3/14. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
ANC
-
LHR
2 stops21h 05m
Virgin Atlantic
Tue 5/58:40 am
LHR
-
ANC
2 stops24h 45m
Virgin Atlantic
Deal found 3/14$819
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:20 pm
ANC
-
LHR
1 stop16h 15m
Delta
Tue 9/2212:50 pm
LHR
-
ANC
2 stops20h 43m
Delta
Deal found 3/14$820
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:15 am
ANC
-
LHR
1 stop24h 20m
Delta
Tue 4/286:15 am
LHR
-
ANC
2 stops27h 10m
Delta
Deal found 3/14$835
This KLM deal was found by Cheapflights users on 3/16. 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 4/156:00 am
ANC
-
LHR
1 stop24h 35m
KLM
Tue 4/216:30 am
LHR
-
ANC
2 stops21h 16m
KLM
Deal found 3/16$840
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
ANC
-
LHR
2 stops22h 05m
Delta
Tue 4/286:30 am
LHR
-
ANC
2 stops23h 16m
Delta
Deal found 3/15$845
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:15 pm
ANC
-
LHR
2 stops27h 00m
Delta
Wed 4/298:55 am
LHR
-
ANC
2 stops24h 30m
Delta
Deal found 3/15$852
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 9/18:20 pm
ANC
-
LHR
1 stop16h 15m
United Airlines
Tue 9/222:05 pm
LHR
-
ANC
2 stops33h 59m
United Airlines
Deal found 3/18$855
This KLM deal was found by Cheapflights users on 3/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:15 am
ANC
-
LHR
1 stop24h 20m
KLM
Tue 4/285:45 pm
LHR
-
ANC
1 stop15h 40m
KLM
Deal found 3/14$857
This Scandinavian Airlines deal was found by Cheapflights users on 3/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:05 am
JNU
-
LHR
2 stops25h 35m
Scandinavian Airlines
Thu 9/105:00 pm
LHR
-
JNU
2 stops34h 07m
Scandinavian Airlines
Deal found 3/17$959
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 9/273:53 pm
FAI
-
LHR
1 stop14h 12m
Alaska Airlines
Thu 10/15:00 pm
LHR
-
FAI
1 stop18h 38m
Alaska Airlines
Deal found 3/15$1,033
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:22 am
SIT
-
LHR
2 stops23h 58m
Icelandair
Tue 4/211:05 pm
LHR
-
SIT
2 stops38h 28m
Icelandair
Deal found 3/15$1,121

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$811
(oojo)

One-way from

$278
(Trip.com)

Popular in

December

Cheapest in

August
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. 6% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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 March 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

Wed 4/15

6:00 am-3:35 pm

1 stop24h 35m

London Heathrow

Tue 4/21

6:30 am-6:46 pm

2 stops21h 16m

$840

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 4/15

6:00 am-3:35 pm

1 stop24h 35m

London Heathrow

Wed 4/22

11:40 am-8:46 pm

1 stop18h 06m

$869

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Wed 4/29

6:00 am-3:35 pm

1 stop24h 35m

London Heathrow

Wed 5/6

11:40 am-8:46 pm

1 stop18h 06m

$869

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 4/28

1:41 pm-3:35 pm

1 stop16h 54m

London Heathrow

Mon 5/11

9:55 am-12:55 am

2 stops24h 00m

$890

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/20

12:49 pm-1:05 pm

1 stop15h 16m

London Heathrow

Sun 8/30

6:30 am-8:59 pm

2 stops23h 29m

$913
Quickest round-trip

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/20

2:40 pm-1:20 pm

1 stop13h 40m

London Heathrow

Sun 8/30

7:25 am-7:48 pm

2 stops21h 23m

$930

JuneauLondon

JNU - LHR

JNULHR

Juneau Intl

Sun 9/6

7:05 am-5:40 pm

2 stops25h 35m

London Heathrow

Thu 9/10

5:00 pm-6:07 pm

2 stops34h 07m

$959

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 5/31

6:00 am-10:30 am

2 stops19h 30m

London Heathrow

Thu 6/18

11:45 am-10:22 pm

2 stops19h 37m

$1,082

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 3/31

1:30 am-1:05 pm

2 stops26h 35m

London Heathrow

Mon 4/6

11:45 am-12:12 am

2 stops21h 27m

$1,151

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Fri 5/1

1:45 am-12:10 pm

1 stop25h 25m

London Heathrow

Sat 5/9

5:45 pm-12:35 am

1 stop15h 50m

$1,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 30 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, 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 January is currently the most expensive (average of $1,255). 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 KLM, Delta, and Scandinavian Airlines fly from Alaska to London Heathrow Airport in about 16h 54m. The time it takes to get you to your destination can typically vary by up to 8h 41m. 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 $693). Flying from Alaska to London Heathrow Airport in January is currently the most expensive (average of $1,255). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

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.

Top airline flying from Alaska to Heathrow

Discover the top airline 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,198FlexibilityNo cancel feeOn-timeN/A

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