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Cheap flights from Alaska to London Heathrow Airport from £253

ANC — LHR
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alaska to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Alaska to Heathrow

Mon 2/1102:55 -
1 stop24h 25m
Tue 10/1114:45 -
1 stop17h 59m
Deal found 19/9£549
Tue 3/1118:48 -
2 stops32h 32m
Tue 10/1114:45 -
2 stops29h 30m
Deal found 19/9£552
Tue 8/1206:00 -
1 stop21h 20m
Wed 16/1214:45 -
1 stop17h 36m
Deal found 20/9£571
Mon 2/1105:30 -
1 stop21h 50m
Thu 12/1114:45 -
1 stop15h 52m
Deal found 21/9£573
Sat 28/1102:52 -
1 stop24h 28m
Wed 16/1214:45 -
1 stop20h 28m
Deal found 17/9£573
Sun 1/1118:48 -
2 stops32h 32m
Tue 17/1114:45 -
2 stops29h 30m
Deal found 21/9£573
Sun 1/1118:48 -
2 stops32h 32m
Fri 13/1114:45 -
1 stop20h 05m
Deal found 21/9£575
Tue 8/1212:24 -
1 stop14h 56m
Thu 24/1214:45 -
2 stops27h 54m
Deal found 20/9£575
Sun 27/921:44 -
2 stops32h 21m
Tue 6/1017:00 -
1 stop17h 37m
Deal found 18/9£576
Mon 30/1120:14 -
1 stop27h 01m
Thu 17/1208:20 -
1 stop19h 47m
Deal found 20/9£581
Sat 26/921:54 -
1 stop24h 46m
Fri 9/1008:55 -
1 stop19h 22m
Deal found 18/9£583
Mon 5/1001:59 -
1 stop28h 06m
Wed 21/1017:00 -
1 stop16h 48m
Deal found 22/9£584

Find flight deals from Alaska to Heathrow

Round-trip from

£549

One-way from

£253

Popular in

June

Cheapest in

March

Average price

£743
Alaska Airlines
  • Alaska Airlines
  • 2/11-10/11
  • 2 total stops
  • 42h 24m total
  • Alaska to London
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United Airlines
  • United Airlines
  • 6/2-31/12
  • 1 total stop
  • 26h 15m total
  • Alaska to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£106 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 return flight
Fastest return journey

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Wed 3/3

06:00-10:40

1 stop19h 40m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£253

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sat 6/2

20:40-10:50

2 stops29h 10m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£253

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Wed 23/12

01:55-11:35

2 stops24h 40m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£335

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 18/10

23:45-11:55

2 stops27h 10m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£345

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Thu 24/12

02:12-12:20

1 stop25h 08m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£459

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Mon 1/3

05:50-12:20

1 stop21h 30m

London Heathrow

Fri 5/3

14:45-02:38

1 stop20h 53m

£573

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Sun 10/1

02:58-12:20

1 stop24h 22m

London Heathrow

Fri 15/1

14:45-00:25

1 stop18h 40m

£575

JuneauLondon

JNU Juneau Intl - LHR London Heathrow

JNULHR

Juneau Intl

Mon 1/3

09:20-12:20

3 stops42h 00m

London Heathrow

Thu 4/3

14:45-00:28

1 stop18h 43m

£588

FairbanksLondon

FAI Fairbanks - LHR London Heathrow

FAILHR

Fairbanks

Fri 25/12

13:33-12:50

3 stops38h 17m

London Heathrow

Wed 31/12

00:00-13:00

Nonstop0h 00m

£599

AnchorageLondon

ANC Anchorage - LHR London Heathrow

ANCLHR

Anchorage

Thu 10/12

12:24-12:20

1 stop14h 56m

London Heathrow

Thu 24/12

14:45-21:34

1 stop15h 49m

£608

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

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, September is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £628). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,031). 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

  • How long is the flight from Alaska to London Heathrow Airport?

    Alaska Airlines and Delta can get you from Alaska to London Heathrow Airport in just under 19h 50m. Your travel time can differ by up to 1h 40m. 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 Air Canada, with whom users have recently found tickets for as low as £264. However, be on the lookout for offers from Virgin Atlantic and American Airlines, 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, September is the cheapest month in which you can book a flight from Alaska to London Heathrow Airport (average of £628). Flying from Alaska to London Heathrow Airport in December is currently the most expensive (average of £2,031). 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
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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LaGuardia to Stansted flights
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O'Hare Intl to London City flights
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Fly with Cheapflights

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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