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Cheap flights from Castletown to London Heathrow Airport from £109

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
IOM — LHR
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Castletown to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Castletown (IOM) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 September 2025.

Round-trip from

£168

One-way from

£109

Popular in

April

Cheapest in

January

Average price

£268

Good round-trip deal

£315 or less
Aer Lingus
  • Aer Lingus
  • 14/10-15/10
  • 2 total stops
  • 12h 10m total
  • Castletown to London
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Aer Lingus
  • Aer Lingus
  • 26/9
  • 1 total stop
  • 25h 00m total
  • Castletown to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£49 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Castletown Ronaldsway to London Heathrow.
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Find flight deals from Castletown to Heathrow

Cheapest flights from Castletown to Heathrow
Explore the most affordable flight options available from Castletown to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Tue 14/1012:20IOM - LHR
1 stop8h 00mAer Lingus
Wed 15/1007:40LHR - IOM
1 stop4h 10mAer Lingus
Deal found 9/9£168
Wed 8/1012:20IOM - LHR
1 stop8h 00mAer Lingus
Wed 15/1007:40LHR - IOM
1 stop9h 10mAer Lingus
Deal found 10/9£168
Tue 14/1012:20IOM - LHR
1 stop3h 35mAer Lingus
Tue 28/1012:10LHR - IOM
1 stop4h 40mAer Lingus
Deal found 10/9£199
Thu 9/1013:10IOM - LHR
1 stop5h 45mAer Lingus
Thu 16/1007:40LHR - IOM
1 stop5h 00mAer Lingus
Deal found 10/9£199
Tue 4/1117:20IOM - LHR
1 stop3h 45mAer Lingus
Wed 12/1109:50LHR - IOM
1 stop7h 00mAer Lingus
Deal found 10/9£219
Wed 8/1012:20IOM - LHR
1 stop3h 35mMultiple Airlines
Wed 15/1022:25LHR - IOM
2 stops18h 20mMultiple Airlines
Deal found 10/9£230
Fri 31/1017:20IOM - LHR
1 stop3h 45mAer Lingus
Sat 1/1120:45LHR - IOM
1 stop11h 55mAer Lingus
Deal found 9/9£235
Thu 25/917:15IOM - LHR
2 stops15h 55mMultiple Airlines
Mon 29/921:10LHR - IOM
1 stop14h 40mMultiple Airlines
Deal found 10/9£241
Sun 26/1009:10IOM - LHR
1 stop11h 55mAer Lingus
Sun 2/1120:45LHR - IOM
1 stop20h 05mAer Lingus
Deal found 11/9£241
Thu 25/913:10IOM - LHR
1 stop6h 15mAer Lingus
Mon 29/921:10LHR - IOM
1 stop14h 40mAer Lingus
Deal found 10/9£246
Tue 4/1117:20IOM - LHR
1 stop15h 45mMultiple Airlines
Wed 12/1114:40LHR - IOM
Nonstop1h 30mMultiple Airlines
Deal found 10/9£247
Tue 14/1011:30IOM - LHR
Nonstop1h 35mMultiple Airlines
Wed 15/1007:40LHR - IOM
1 stop9h 10mMultiple Airlines
Deal found 9/9£248

Cheapflights Fare Finder

 
Customise your flight search to find flights from Castletown 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 12 September 2025.
Use the filters below to find and compare flights from Castletown to London Heathrow Airport that are best for you.

Fly from

Castletown

Fly to

Heathrow

Route

Depart

Return

Price

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 8/10

12:20-20:20

1 stop8h 00m

London Heathrow

Wed 15/10

07:40-16:50

1 stop9h 10m

£168

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Tue 4/11

17:20-21:05

1 stop3h 45m

London Heathrow

Wed 12/11

09:50-16:50

1 stop7h 00m

£219

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 8/10

12:20-15:55

1 stop3h 35m

London Heathrow

Wed 15/10

22:25-16:45

2 stops18h 20m

£230

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 7/1

17:20-21:05

1 stop3h 45m

London Heathrow

Thu 8/1

12:10-16:50

1 stop4h 40m

£233

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Fri 31/10

17:20-21:05

1 stop3h 45m

London Heathrow

Sat 1/11

20:45-08:40

1 stop11h 55m

£235

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 7/1

12:05-13:40

Nonstop1h 35m

London Heathrow

Thu 8/1

14:40-16:10

Nonstop1h 30m

£238

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Thu 25/9

17:15-09:10

2 stops15h 55m

London Heathrow

Mon 29/9

21:10-11:50

1 stop14h 40m

£241

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Tue 4/11

17:20-09:05

1 stop15h 45m

London Heathrow

Wed 12/11

14:40-16:10

Nonstop1h 30m

£247

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Mon 22/9

13:10-19:25

1 stop6h 15m

London Heathrow

Tue 23/9

20:50-11:50

2 stops15h 00m

£251

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Tue 14/10

12:20-15:55

1 stop3h 35m

London Heathrow

Tue 28/10

14:40-16:10

Nonstop1h 30m

£264

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from Castletown to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Castletown 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 Castletown to London Heathrow Airport

What is the cheapest time of day to fly from IOM to LHR?

Find hourly flight availability from Castletown to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.

When flying from Castletown to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Castletown to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Castletown to London Heathrow?

    Most people fly from Castletown Ronaldsway (IOM) if they book a flight from Castletown to London Heathrow. On average, Ronaldsway has 1 outbound flight to London Heathrow per day from 0 airlines. Castletown Ronaldsway is conveniently located just 1.4 mi from Castletown’s city center.

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

    Departing from Castletown to London Heathrow Airport will take you 8h. The distance between Castletown and London Heathrow Airport is about 251 mi.

  • What are the most reliable airlines from Castletown to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Castletown to London Heathrow Airport are Loganair (96%), KLM (96%) and British Airways (96%).

  • What are the cheapest flights from Castletown to London Heathrow Airport?

    While on average a flight from Castletown to London Heathrow Airport is generally £315, our data shows the cheapest flight currently is £299. When looking at the most popular route, (Castletown Ronaldsway - London Heathrow), you can expect to pay £168 for that flight.

  • Can I find deals for flights from Castletown to Heathrow that include hotel bookings?

    Yes. In addition to deals on Castletown to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Castletown to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Castletown to Heathrow.

  • Can I find deals for business class flights from Castletown to Heathrow?

    Yes. Cheapflights offers flight deals from Castletown 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 Castletown to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Castletown to London Heathrow Airport (average of £112). Flying from Castletown to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Winchester
Chichester
Ipswich
Swindon
Dartford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Castletown to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Castletown to Gatwick flights
Castletown to London City flights
Castletown to Luton flights

Fly with Cheapflights

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

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

Cheapflights simply makes it quick and affordable to book flights from Castletown to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Castletown to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Castletown 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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