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Heathrow

$337+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:40 pm
ANC
-
LHR
1 stop25h 00m
United Airlines
Wed 10/147:25 am
LHR
-
ANC
2 stops21h 20m
United Airlines
Deal found 4/15$888
This United Airlines deal was found by Cheapflights users on 4/18. 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 10/138:55 pm
ANC
-
LHR
1 stop24h 50m
United Airlines
Tue 10/206:55 am
LHR
-
ANC
2 stops21h 50m
United Airlines
Deal found 4/18$889
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 10/1711:40 pm
ANC
-
LHR
1 stop25h 00m
United Airlines
Mon 11/211:10 am
LHR
-
ANC
2 stops44h 29m
United Airlines
Deal found 4/17$900
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:40 pm
ANC
-
LHR
2 stops60h 10m
Air Canada
Fri 8/289:30 am
LHR
-
ANC
2 stops37h 08m
Air Canada
Deal found 4/15$905
This oojo deal was found by Cheapflights users on 4/15. 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.
Sun 10/410:03 pm
ANC
-
LHR
1 stop24h 37m
British Airways
Wed 10/148:55 am
LHR
-
ANC
1 stop19h 13m
British Airways
Deal found 4/15$911
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:27 am
ANC
-
LHR
1 stop19h 18m
Multiple Airlines
Wed 10/284:55 pm
LHR
-
ANC
1 stop27h 31m
Multiple Airlines
Deal found 4/15$916
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:04 pm
ANC
-
LHR
1 stop15h 56m
Multiple Airlines
Tue 10/209:50 am
LHR
-
ANC
1 stop18h 20m
Multiple Airlines
Deal found 4/18$918
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:40 pm
ANC
-
LHR
2 stops30h 50m
Multiple Airlines
Tue 9/156:55 am
LHR
-
ANC
2 stops26h 04m
Multiple Airlines
Deal found 4/16$938
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:30 pm
ANC
-
LHR
1 stop28h 05m
United Airlines
Sun 9/131:35 pm
LHR
-
ANC
2 stops43h 24m
United Airlines
Deal found 4/15$948
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/128:55 pm
FAI
-
LHR
1 stop24h 50m
United Airlines
Thu 5/2111:25 am
LHR
-
FAI
1 stop20h 34m
United Airlines
Deal found 4/14$972
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/128:55 pm
FAI
-
LHR
2 stops24h 35m
United Airlines
Fri 5/222:50 pm
LHR
-
FAI
1 stop17h 09m
United Airlines
Deal found 4/14$975
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/128:55 pm
FAI
-
LHR
2 stops24h 00m
United Airlines
Tue 5/197:45 am
LHR
-
FAI
2 stops20h 57m
United Airlines
Deal found 4/14$976

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$888
(United Airlines)

One-way from

$337
(oojo)

Popular in

June

Cheapest in

August

Average price

$865
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. 16% potential increase in price ($215 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 April 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 April 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 10/4

11:40 pm-9:40 am

1 stop25h 00m

London Heathrow

Wed 10/14

7:25 am-7:45 pm

2 stops21h 20m

$888

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/20

10:30 pm-11:35 am

1 stop28h 05m

London Heathrow

Sun 8/30

10:50 am-11:59 pm

2 stops22h 09m

$989

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/20

2:40 pm-11:50 am

2 stops36h 10m

London Heathrow

Sun 8/30

8:25 pm-7:14 pm

2 stops31h 49m

$995

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/27

8:35 pm-6:55 am

1 stop25h 20m

London Heathrow

Thu 9/10

9:30 am-11:59 pm

2 stops23h 29m

$1,011

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 8/7

11:59 pm-11:10 am

1 stop26h 11m

London Heathrow

Sat 8/22

7:45 am-9:22 pm

2 stops22h 37m

$1,020

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Thu 10/8

1:30 am-12:10 pm

1 stop25h 40m

London Heathrow

Sun 10/18

6:30 am-12:15 am

2 stops26h 45m

$1,051

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Mon 7/20

4:00 pm-8:40 pm

2 stops19h 40m

London Heathrow

Wed 7/29

3:20 pm-12:56 pm

2 stops30h 36m

$1,099

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Wed 5/13

8:55 pm-6:45 am

1 stop24h 50m

London Heathrow

Wed 5/20

2:10 pm-7:48 pm

1 stop38h 38m

$1,140

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Tue 4/28

11:47 pm-9:40 am

1 stop24h 53m

London Heathrow

Mon 5/11

7:25 am-8:06 pm

2 stops21h 41m

$1,148

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 7/24

4:00 pm-9:40 am

1 stop32h 40m

London Heathrow

Fri 7/31

9:30 am-7:12 pm

1 stop18h 42m

$1,162

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 37 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 $683). 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.

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 Scandinavian Airlines fly from Alaska to London Heathrow Airport in about 25h. The time it takes to get you to your destination can typically vary by up to 40m. 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 $683). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,166FlexibilityNo cancel feeOn-timeN/A

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