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Cheap flights from Castletown to London Heathrow Airport from £117

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
IOM — LHR
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Castletown to Heathrow

Enter your travel dates to find the best prices.

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 13 June 2026.

Tue 28/712:15
IOM
-
LHR
1 stop5h 05m
Aer Lingus
Thu 13/818:10
LHR
-
IOM
1 stop22h 40m
Aer Lingus
Deal found 12/6£233
Wed 22/712:20
IOM
-
LHR
1 stop6h 35m
Aer Lingus
Mon 27/721:10
LHR
-
IOM
1 stop14h 35m
Aer Lingus
Deal found 8/6£237
Mon 20/712:15
IOM
-
LHR
1 stop7h 10m
Aer Lingus
Wed 12/821:10
LHR
-
IOM
1 stop14h 35m
Aer Lingus
Deal found 10/6£244
Thu 23/717:20
IOM
-
LHR
1 stop22h 40m
Aer Lingus
Thu 30/716:50
LHR
-
IOM
1 stop18h 55m
Aer Lingus
Deal found 12/6£247
Mon 20/712:15
IOM
-
LHR
1 stop7h 10m
Multiple Airlines
Wed 12/822:25
LHR
-
IOM
2 stops20h 25m
Multiple Airlines
Deal found 10/6£249
Mon 27/712:15
IOM
-
LHR
1 stop6h 40m
Aer Lingus
Mon 3/807:40
LHR
-
IOM
1 stop9h 10m
Aer Lingus
Deal found 12/6£251
Thu 23/719:20
IOM
-
LHR
2 stops19h 10m
Multiple Airlines
Thu 30/716:50
LHR
-
IOM
1 stop18h 55m
Multiple Airlines
Deal found 12/6£254
Fri 4/912:15
IOM
-
LHR
1 stop8h 05m
Aer Lingus
Sat 19/907:40
LHR
-
IOM
1 stop9h 10m
Aer Lingus
Deal found 11/6£261
Sat 4/717:20
IOM
-
LHR
1 stop14h 45m
Multiple Airlines
Tue 14/720:50
LHR
-
IOM
2 stops17h 40m
Multiple Airlines
Deal found 8/6£266
Tue 28/712:15
IOM
-
LHR
1 stop5h 05m
Multiple Airlines
Thu 13/808:40
LHR
-
IOM
2 stops8h 10m
Multiple Airlines
Deal found 12/6£270

Find 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 13 June 2026.

Round-trip from

£233

One-way from

£117

Popular in

June

Cheapest in

February

Average price

£236

Good round-trip deal

£924 or less
Aer Lingus
  • Aer Lingus
  • 28/7-13/8
  • 2 total stops
  • 27h 45m total
  • Castletown to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 26/7
  • 1 total stop
  • 14h 45m total
  • Castletown to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Castletown Ronaldsway to London Heathrow.
Search Deals

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 13 June 2026.
Use the filters below to find and compare flights from Castletown to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 22/7

12:20-18:55

1 stop6h 35m

London Heathrow

Mon 27/7

21:10-11:45

1 stop14h 35m

£237

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Mon 20/7

12:15-19:25

1 stop7h 10m

London Heathrow

Wed 12/8

21:10-11:45

1 stop14h 35m

£244

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 1/7

12:20-17:20

1 stop5h 00m

London Heathrow

Fri 3/7

21:10-16:50

1 stop19h 40m

£276

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Fri 24/7

15:35-21:10

1 stop5h 35m

London Heathrow

Fri 31/7

06:45-17:45

1 stop11h 00m

£280

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Thu 30/7

11:30-13:05

Nonstop1h 35m

London Heathrow

Mon 3/8

06:45-17:45

1 stop11h 00m

£298

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Fri 24/7

17:20-17:20

1 stop24h 00m

London Heathrow

Fri 31/7

18:10-16:50

1 stop22h 40m

£304

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Thu 16/7

07:05-17:30

1 stop10h 25m

London Heathrow

Thu 23/7

06:55-17:30

1 stop10h 35m

£306

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Mon 27/7

11:40-13:15

Nonstop1h 35m

London Heathrow

Mon 3/8

06:45-11:50

1 stop5h 05m

£313

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Wed 1/7

11:35-13:10

Nonstop1h 35m

London Heathrow

Fri 3/7

21:10-16:50

1 stop19h 40m

£318

CastletownLondon

IOM - LHR

IOMLHR

Castletown Ronaldsway

Fri 16/10

15:35-22:40

2 stops7h 05m

London Heathrow

Mon 19/10

12:00-16:50

1 stop4h 50m

£329

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 resultsSorted by cheapest first
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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 13 June 2026.

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 5h 35m. The distance between Castletown and London Heathrow Airport is about 251 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 (93%), KLM (93%) and British Airways (93%).

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

    While on average a flight from Castletown to London Heathrow Airport is generally £955, our data shows the cheapest flight currently is £924. When looking at the most popular route, (Castletown Ronaldsway - London Heathrow), you can expect to pay £233 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.

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
Milton Keynes
Wembley
Luton
Gatwick
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Poole
Guildford
Romford

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 Luton flights
Castletown to London City flights

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 Castletown to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Castletown today with Cheapflights!

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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