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Cheap flights from Alaska to London Heathrow Airport from £315

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — LHR
15 feb. — 22 feb.1
1 adult
1 adult, Economy, 0 bags

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 16 enero 2026.

Round-trip from

£580

One-way from

£315

Popular in

January

Cheapest in

April

Average price

£1,180
KLM
  • KLM
  • 22/2-9/3
  • 3 total stops
  • 54h 36m total
  • Alaska to London
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 29h 30m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

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 16 enero 2026.

sáb. 24/109:00
ANC
-
LHR
2 stops27h 20m
United Airlines
vie. 6/206:35
LHR
-
ANC
2 stops22h 22m
United Airlines
Deal found 14/1£574
sáb. 24/101:30
FAI
-
LHR
1 stop24h 00m
KLM
mar. 3/217:50
LHR
-
FAI
2 stops39h 32m
KLM
Deal found 15/1£575
sáb. 24/120:22
ANC
-
LHR
1 stop26h 28m
KLM
vie. 6/208:40
LHR
-
ANC
2 stops19h 16m
KLM
Deal found 14/1£575
sáb. 24/120:22
ANC
-
LHR
1 stop25h 03m
Virgin Atlantic
vie. 6/206:20
LHR
-
ANC
2 stops23h 24m
Virgin Atlantic
Deal found 14/1£579
dom. 22/201:20
ANC
-
LHR
1 stop24h 10m
KLM
lun. 9/320:25
LHR
-
ANC
2 stops30h 26m
KLM
Deal found 13/1£580
mar. 24/209:00
ANC
-
LHR
2 stops23h 45m
Lufthansa
lun. 9/319:30
LHR
-
ANC
2 stops32h 31m
Lufthansa
Deal found 13/1£582
lun. 23/205:45
ANC
-
LHR
2 stops25h 50m
Multiple Airlines
lun. 9/320:25
LHR
-
ANC
2 stops30h 26m
Multiple Airlines
Deal found 13/1£584
sáb. 28/221:15
ANC
-
LHR
1 stop24h 50m
Scandinavian Airlines
mié. 11/306:20
LHR
-
ANC
2 stops20h 31m
Scandinavian Airlines
Deal found 13/1£585
mar. 17/301:34
ANC
-
LHR
1 stop24h 56m
Multiple Airlines
mar. 24/306:20
LHR
-
ANC
2 stops22h 15m
Multiple Airlines
Deal found 14/1£585
dom. 1/323:45
ANC
-
LHR
1 stop24h 55m
United Airlines
mar. 17/316:40
LHR
-
ANC
2 stops38h 10m
United Airlines
Deal found 16/1£588
mié. 18/306:15
ANC
-
LHR
2 stops20h 00m
Air France
mar. 24/306:20
LHR
-
ANC
2 stops22h 15m
Air France
Deal found 14/1£588
mié. 11/201:27
FAI
-
LHR
2 stops20h 38m
Delta
jue. 19/212:20
LHR
-
FAI
1 stop21h 02m
Delta
Deal found 15/1£710

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 16 enero 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

mar. 24/2

05:45-10:30

1 stop19h 45m

London Heathrow

lun. 9/3

20:25-18:51

2 stops30h 26m

£580

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

dom. 22/2

01:20-10:30

1 stop24h 10m

London Heathrow

lun. 9/3

20:25-18:51

2 stops30h 26m

£581

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

lun. 23/2

05:45-16:35

2 stops25h 50m

London Heathrow

lun. 9/3

20:25-18:51

2 stops30h 26m

£584

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

dom. 1/3

23:45-09:40

1 stop24h 55m

London Heathrow

mar. 17/3

16:40-22:50

2 stops38h 10m

£588

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 1/4

06:15-13:10

2 stops21h 55m

London Heathrow

mié. 29/4

09:55-00:37

2 stops23h 42m

£595

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

mié. 1/4

06:15-14:15

1 stop23h 00m

London Heathrow

mié. 29/4

17:40-00:37

1 stop15h 57m

£613

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

dom. 1/3

05:45-10:30

1 stop19h 45m

London Heathrow

dom. 8/3

06:20-19:34

2 stops22h 14m

£616

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

lun. 23/2

09:00-05:55

3 stops35h 55m

London Heathrow

lun. 9/3

07:40-22:50

2 stops23h 10m

£620

AnchorageLondon

ANC - LHR

ANCLHR

Anchorage

jue. 2/4

06:15-14:15

1 stop23h 00m

London Heathrow

mié. 15/4

08:40-20:37

2 stops20h 57m

£629

FairbanksLondon

FAI - LHR

FAILHR

Fairbanks

mié. 11/2

01:27-07:05

2 stops20h 38m

London Heathrow

jue. 19/2

12:20-00:22

1 stop21h 02m

£710

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 24 results
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2
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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 return 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 £517). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £881). 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 for a return flight 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?

    KLM, United Airlines, and Delta can get you from Alaska to London Heathrow Airport in just under 19h 45m. Your travel time can differ by up to 5h 10m. Airlines will cover a distance of 4471 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Alaska to London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £204. However, be on the lookout for offers from Air Canada and Virgin Atlantic, as they are both options that can get you from Alaska to London Heathrow Airport for a low price.

  • What are the most popular routes from Alaska to London Heathrow Airport?

    While some choose either Fairbanks - London Heathrow or Juneau Intl - London Heathrow, Anchorage - London Heathrow is the most popular route from Alaska to London Heathrow Airport.

  • 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 holiday 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 £517). Flying from Alaska to London Heathrow Airport in June is currently the most expensive (average of £881). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Alaska to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alaska to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Alaska to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Alaska to Heathrow.

Can Cheapflights find flights from Alaska to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Alaska shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Alaska to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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