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

Departing from Castletown to London Heathrow Airport will take you 3h 45m. 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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 (90%), KLM (90%) and British Airways (90%).

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 0 outbound flights to London Heathrow per day from 0 airlines. Castletown Ronaldsway is conveniently located just 1.4 mi from Castletown’s city center.

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.

£102+ Cheap Flights from Castletown to London Heathrow Airport

Cheap flight deals from Castletown to Heathrow

Enter your travel dates to find the best prices.

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Best

Direct

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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 16 September 2026.

Fri 9/1012:15 -

1 stop7h 10m

Thu 15/1007:40 -

1 stop9h 10m

Deal found 11/9£191

Thu 29/1017:20 -

1 stop3h 45m

Thu 5/1107:50 -

1 stop9h 00m

Deal found 14/9£208

Tue 29/912:15 -

1 stop3h 45m

Sat 3/1012:00 -

1 stop4h 50m

Deal found 14/9£211

Tue 27/1010:55 -

2 stops21h 10m

Tue 3/1109:50 -

1 stop7h 00m

Deal found 12/9£212

Tue 27/1017:20 -

1 stop3h 45m

Tue 3/1112:10 -

1 stop4h 40m

Deal found 12/9£220

Mon 28/917:20 -

1 stop19h 20m

Fri 2/1021:10 -

1 stop19h 40m

Deal found 13/9£223

Tue 22/917:20 -

1 stop20h 10m

Thu 8/1007:40 -

1 stop9h 10m

Deal found 11/9£227

Tue 22/917:20 -

1 stop20h 10m

Tue 29/916:50 -

1 stop18h 55m

Deal found 15/9£234

Sat 14/1109:15 -

2 stops8h 35m

Sun 15/1108:50 -

1 stop8h 00m

Deal found 15/9£236

Tue 22/917:20 -

1 stop17h 00m

Tue 29/920:50 -

2 stops36h 20m

Deal found 15/9£237

Mon 28/912:15 -

1 stop6h 40m

Fri 2/1021:10 -

2 stops14h 30m

Deal found 13/9£240

Find flight deals from Castletown to Heathrow

Round-trip from	£191
One-way from	£102
Popular in	August
Cheapest in	February
Average price	£180

Aer Lingus
9/10-15/10
2 total stops
16h 20m total
Castletown to London

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Aer Lingus
12/10-31/12
1 total stop
6h 40m total
Castletown to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£34 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£9 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 Castletown to London Heathrow Airport that are best for you.

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Depart

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Price

Cheapest return flight

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Tue 29/9

12:15-09:05

1 stop20h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£102

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Mon 28/9

12:15-18:55

1 stop6h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£108

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Mon 28/9

08:35-15:00

2 stops6h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Wed 23/9

17:20-15:00

1 stop21h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

Fastest return journey

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Mon 21/12

11:40-13:15

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£140

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Fri 20/11

11:30-13:05

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£143

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Fri 30/10

11:30-13:05

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£145

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Thu 19/11

11:40-13:15

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£146

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Fri 30/10

15:35-20:55

1 stop5h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£151

CastletownLondon

IOM Castletown Ronaldsway - LHR London Heathrow

IOMLHR

Castletown Ronaldsway

Mon 5/10

12:15-19:25

1 stop7h 10m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£165

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

IOM-LHR

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?

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

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 0 outbound flights 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 3h 45m. 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 (90%), KLM (90%) and British Airways (90%).
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.

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Cheap flights from Castletown to London Heathrow Airport from £102

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Castletown to Heathrow

Cheapest flights from Castletown to HeathrowExplore 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 16 September 2026.

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 16 September 2026.

Best flights from Castletown to HeathrowDiscover carefully curated flight deals from Castletown to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Castletown to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Direct flights from Castletown to HeathrowExplore direct flight options from Castletown to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.

Explore direct flight options from Castletown to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.

Last-minute flights from Castletown to HeathrowDiscover last-minute flight deals from Castletown to Heathrow. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Castletown to Heathrow. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Castletown to HeathrowSearch for one-way flight options from Castletown to Heathrow. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Castletown to Heathrow. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

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

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.

Cheapflights Insights

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

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

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

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

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

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

How can I find direct flights from Castletown to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Castletown to Heathrow

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Complete your trip

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Direct flights to England

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.

Castletown and Heathrow flights

Browse other Castletown and Heathrow flight options. Last updated on 16 September 2026.

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

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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 16 September 2026.

Best flights from Castletown to Heathrow
Discover carefully curated flight deals from Castletown to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Direct flights from Castletown to Heathrow
Explore direct flight options from Castletown to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.

Last-minute flights from Castletown to Heathrow
Discover last-minute flight deals from Castletown to Heathrow. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Castletown to Heathrow
Search for one-way flight options from Castletown to Heathrow. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.