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Heathrow

$331+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
Jun 1 — Jun 81
Mon 6/1
Mon 6/8
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 May 2, 2026.

This KAYAK deal was found by Cheapflights users on 5/2. 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.
Sat 9/51:30 am
ANC
-
LHR
2 stops31h 10m
Scandinavian Airlines
Thu 9/247:30 pm
LHR
-
ANC
2 stops35h 52m
Scandinavian Airlines
Deal found 5/2$892
This Orbitz deal was found by Cheapflights users on 5/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:14 am
ANC
-
LHR
1 stop19h 51m
Alaska Airlines
Thu 10/225:00 pm
LHR
-
ANC
1 stop16h 10m
Alaska Airlines
Deal found 5/1$899
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 10/42:20 pm
ANC
-
LHR
1 stop15h 45m
Alaska Airlines
Thu 10/155:00 pm
LHR
-
ANC
1 stop18h 11m
Alaska Airlines
Deal found 4/28$900
This oojo deal was found by Cheapflights users on 4/30. 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 8/189:55 pm
ANC
-
LHR
1 stop26h 10m
British Airways
Wed 9/912:15 pm
LHR
-
ANC
1 stop17h 14m
British Airways
Deal found 4/30$912
This Gotogate deal was found by Cheapflights users on 5/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 pm
ANC
-
LHR
2 stops26h 40m
Multiple Airlines
Thu 10/227:25 am
LHR
-
ANC
2 stops24h 14m
Multiple Airlines
Deal found 5/1$942
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/281:20 am
FAI
-
LHR
1 stop23h 20m
United Airlines
Wed 8/266:50 am
LHR
-
FAI
2 stops21h 26m
United Airlines
Deal found 4/30$944
This American Airlines deal was found by Cheapflights users on 5/2. 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 9/82:26 am
ANC
-
LHR
1 stop19h 19m
American Airlines
Wed 9/2312:15 pm
LHR
-
ANC
1 stop17h 14m
American Airlines
Deal found 5/2$944
This United Airlines deal was found by Cheapflights users on 5/1. 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
2 stops28h 05m
United Airlines
Thu 10/226:55 am
LHR
-
ANC
2 stops21h 50m
United Airlines
Deal found 5/1$946
This British Airways deal was found by Cheapflights users on 5/2. 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.
Wed 9/910:03 pm
ANC
-
LHR
1 stop23h 47m
British Airways
Wed 9/237:30 pm
LHR
-
ANC
2 stops33h 59m
British Airways
Deal found 5/2$947
This Delta deal was found by Cheapflights users on 5/2. 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 9/62:20 pm
ANC
-
LHR
1 stop16h 15m
Delta
Thu 9/2411:45 am
LHR
-
ANC
2 stops22h 50m
Delta
Deal found 5/2$949
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:55 pm
ANC
-
LHR
2 stops24h 40m
Multiple Airlines
Thu 10/156:55 am
LHR
-
ANC
2 stops24h 44m
Multiple Airlines
Deal found 4/28$951
This Delta deal was found by Cheapflights users on 5/2. 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 8/252:40 pm
FAI
-
LHR
1 stop15h 55m
Delta
Tue 9/2911:40 am
LHR
-
FAI
1 stop21h 26m
Delta
Deal found 5/2$979

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 May 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$892
(KAYAK)

One-way from

$331
(TravelUp)

Popular in

June

Cheapest in

October

Average price

$1,212
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. 15% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 2, 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

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Tue 7/28

1:20 am-9:40 am

1 stop23h 20m

London Heathrow

Wed 8/26

6:50 am-7:16 pm

2 stops21h 26m

$944

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 8/24

1:39 am-6:45 am

2 stops20h 06m

London Heathrow

Tue 9/29

11:20 am-12:06 am

2 stops21h 46m

$983

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 8/24

1:39 am-8:50 am

2 stops22h 11m

London Heathrow

Tue 9/29

11:40 am-12:06 am

1 stop21h 26m

$983

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 9/11

11:30 am-12:10 pm

1 stop15h 40m

London Heathrow

Thu 9/24

11:45 am-10:22 pm

2 stops19h 37m

$999

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sun 9/6

11:59 pm-6:45 am

1 stop21h 46m

London Heathrow

Sat 9/26

11:25 am-10:39 pm

1 stop20h 14m

$1,021

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 8/20

11:59 pm-9:35 am

2 stops24h 36m

London Heathrow

Sun 8/30

7:25 am-7:48 pm

2 stops21h 23m

$1,051

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Thu 9/10

3:10 pm-9:25 pm

2 stops21h 15m

London Heathrow

Sat 9/26

11:25 am-10:39 pm

1 stop20h 14m

$1,076

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Sat 9/12

2:20 pm-3:35 pm

1 stop16h 15m

London Heathrow

Mon 9/21

5:45 pm-1:35 am

1 stop16h 50m

$1,077

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

Fri 9/11

11:30 am-12:10 pm

1 stop15h 40m

London Heathrow

Sun 9/20

6:30 pm-1:35 am

1 stop16h 05m

$1,077

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

Mon 7/6

1:20 am-10:25 am

2 stops24h 05m

London Heathrow

Tue 7/21

7:45 am-10:59 pm

2 stops24h 14m

$1,129

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 40 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 Air France fly from Alaska to London Heathrow Airport in about 15h 16m. The time it takes to get you to your destination can typically vary by up to 8h 04m. 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 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 May 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$757Average$1,209FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$920Average$1,687FlexibilityNo cancel feeOn-time70%

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