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$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. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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Cheap flight deals from Alaska to Heathrow

Keep the following information in mind while searching for Alaska to Heathrow flight deals. Data was last updated enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$778
(KLM)

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.
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Provider most trusted by Cheapflights users for Anchorage-London (LON) flights.
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From Alaska to London Heathrow
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One-way flight from Alaska to London Heathrow
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Highest demand for flights based on searches. 13% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 enero 14, 2026.

This KLM deal was found by Cheapflights users on 1/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/221:20 am
ANC
-
LHR
1 stop24h 10m
KLM
lun. 3/98:25 pm
LHR
-
ANC
2 stops30h 26m
KLM
Deal found 1/13$778
This Cheapflightsfares deal was found by Cheapflights users on 1/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/249:00 am
ANC
-
LHR
2 stops23h 45m
Lufthansa
lun. 3/97:30 pm
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 1/13$781
This Air France deal was found by Cheapflights users on 1/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/235:45 am
ANC
-
LHR
2 stops23h 00m
Multiple Airlines
lun. 3/98:25 pm
LHR
-
ANC
2 stops30h 26m
Multiple Airlines
Deal found 1/11$783
This Delta deal was found by Cheapflights users on 1/13. 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.
sáb. 2/288:22 pm
ANC
-
LHR
1 stop26h 28m
Delta
jue. 3/196:20 am
LHR
-
ANC
2 stops26h 09m
Delta
Deal found 1/13$784
This United Airlines deal was found by Cheapflights users on 1/12. 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.
mar. 3/1711:52 pm
ANC
-
LHR
1 stop25h 48m
United Airlines
lun. 3/231:50 pm
LHR
-
ANC
2 stops41h 00m
United Airlines
Deal found 1/12$788
This KLM deal was found by Cheapflights users on 1/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/16:15 am
ANC
-
LHR
1 stop23h 00m
KLM
mié. 4/811:45 am
LHR
-
ANC
2 stops17h 50m
KLM
Deal found 1/13$793
This Air France deal was found by Cheapflights users on 1/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/11:20 pm
ANC
-
LHR
2 stops20h 15m
Multiple Airlines
mié. 4/89:55 am
LHR
-
ANC
2 stops19h 40m
Multiple Airlines
Deal found 1/13$797
This KAYAK deal was found by Cheapflights users on 1/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/211:45 pm
ANC
-
LHR
2 stops21h 10m
Lufthansa
mar. 3/171:25 pm
LHR
-
ANC
2 stops38h 36m
Lufthansa
Deal found 1/13$798
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/111:45 pm
ANC
-
LHR
2 stops22h 25m
United Airlines
mar. 3/171:25 pm
LHR
-
ANC
2 stops38h 36m
United Airlines
Deal found 1/13$800
This KLM deal was found by Cheapflights users on 1/12. 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.
mié. 2/251:27 am
FAI
-
LHR
1 stop24h 03m
KLM
jue. 3/55:50 pm
LHR
-
FAI
2 stops39h 32m
KLM
Deal found 1/12$830
This Air France deal was found by Cheapflights users on 1/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/251:27 am
FAI
-
LHR
2 stops21h 38m
Multiple Airlines
jue. 3/56:30 am
LHR
-
FAI
2 stops26h 52m
Multiple Airlines
Deal found 1/12$835
This Delta deal was found by Cheapflights users on 1/11. 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.
mar. 4/281:38 am
FAI
-
LHR
2 stops19h 42m
Delta
mié. 5/206:15 pm
LHR
-
FAI
2 stops62h 51m
Delta
Deal found 1/11$851

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 enero 14, 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

dom. 2/22

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

lun. 3/9

8:25 pm-6:51 pm

2 stops30h 26m

$778

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mar. 2/24

5:45 am-10:30 am

1 stop19h 45m

London Heathrow

lun. 3/9

8:25 pm-6:51 pm

2 stops30h 26m

$778

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mar. 2/24

9:00 am-5:45 pm

2 stops23h 45m

London Heathrow

lun. 3/9

7:30 pm-8:01 pm

2 stops32h 31m

$781

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

lun. 2/23

5:45 am-4:35 pm

2 stops25h 50m

London Heathrow

lun. 3/9

8:25 pm-6:51 pm

2 stops30h 26m

$783

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 4/1

6:15 am-2:15 pm

1 stop23h 00m

London Heathrow

mié. 4/29

9:55 am-8:37 pm

2 stops19h 42m

$793

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 4/1

1:20 pm-4:35 pm

2 stops18h 15m

London Heathrow

mié. 4/29

9:55 am-8:37 pm

2 stops19h 42m

$797

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

dom. 3/1

11:45 pm-7:10 am

2 stops22h 25m

London Heathrow

mar. 3/17

1:25 pm-8:01 pm

2 stops38h 36m

$800

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mar. 3/3

1:20 am-10:30 am

1 stop24h 10m

London Heathrow

mar. 3/17

2:30 pm-12:29 am

1 stop17h 59m

$806

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 3/4

5:45 am-10:30 am

1 stop19h 45m

London Heathrow

mié. 3/18

12:20 pm-8:35 pm

1 stop16h 15m

$806

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 3/4

5:45 am-10:30 am

1 stop19h 45m

London Heathrow

jue. 3/19

12:20 pm-8:35 pm

1 stop16h 15m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 35 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 KLM, Lufthansa, and Delta fly from Alaska to London Heathrow Airport in about 19h 42m. The time it takes to get you to your destination can typically vary by up to 4h 28m. 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
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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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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Los Angeles to London City flights
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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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$1,327FlexibilityNo cancel feeOn-time69%
DeltaCheapest$776Average$998FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$876Average$1,300FlexibilityNo cancel feeOn-time70%

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