How long is the flight from Southampton to Castletown?

Departing from Southampton to Castletown will take you 20h 50m. There are 256 mi between Southampton and Castletown.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Castletown as you normally would.

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

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

How can I find direct flights from Southampton to Castletown?

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

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

Yes. Cheapflights offers flight deals from Southampton to Castletown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£176+ Cheap Flights from Southampton to Castletown

Cheap flight deals from Southampton to Castletown

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Southampton to Castletown
Explore the most affordable flight options available from Southampton to Castletown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Mon 21/1215:30 -

1 stop16h 25m

Sat 9/117:20 -

1 stop15h 25m

Deal found 12/9£176

Thu 5/1109:20 -

1 stop7h 30m

Wed 11/1118:30 -

2 stops14h 20m

Deal found 15/9£200

Thu 1/1020:00 -

1 stop15h 45m

Mon 5/1017:20 -

1 stop15h 20m

Deal found 16/9£205

Tue 29/909:15 -

1 stop7h 35m

Sat 3/1017:20 -

1 stop15h 15m

Deal found 14/9£212

Wed 28/1020:00 -

1 stop20h 50m

Wed 4/1118:30 -

2 stops14h 20m

Deal found 13/9£213

Thu 1/1020:00 -

1 stop15h 45m

Mon 5/1009:10 -

2 stops23h 30m

Deal found 16/9£214

Thu 5/1109:20 -

1 stop7h 30m

Wed 11/1117:20 -

1 stop15h 30m

Deal found 15/9£214

Wed 28/1020:00 -

1 stop20h 50m

Wed 4/1117:20 -

1 stop15h 30m

Deal found 13/9£231

Tue 29/913:25 -

2 stops22h 20m

Sat 3/1017:20 -

1 stop15h 15m

Deal found 14/9£237

Find flight deals from Southampton to Castletown

Round-trip from	£176
Popular in	July
Cheapest in	January
Average price	£146

Aer Lingus
21/12-9/1
2 total stops
31h 50m total
Southampton to Castletown

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (£33 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Thu 5/11

09:20-16:50

1 stop7h 30m

Castletown Ronaldsway

Wed 11/11

18:30-08:50

2 stops14h 20m

£200

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Wed 28/10

20:00-16:50

1 stop20h 50m

Castletown Ronaldsway

Wed 4/11

17:20-08:50

1 stop15h 30m

£231

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Tue 29/9

13:25-11:45

2 stops22h 20m

Castletown Ronaldsway

Sat 3/10

17:20-08:35

1 stop15h 15m

£237

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Mon 21/12

17:55-10:30

2 stops16h 35m

Castletown Ronaldsway

Sat 9/1

17:20-08:45

1 stop15h 25m

£253

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Sat 10/10

10:15-12:30

1 stop26h 15m

Castletown Ronaldsway

Wed 31/12

00:00-00:00

Nonstop0h 00m

£320

Fastest return journey

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Fri 9/10

06:50-15:25

2 stops8h 35m

Castletown Ronaldsway

Wed 31/12

00:00-00:00

Nonstop0h 00m

£375

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Wed 28/10

08:50-18:00

2 stops9h 10m

Castletown Ronaldsway

Wed 4/11

10:40-16:20

3 stops29h 40m

£426

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Thu 1/10

08:55-15:25

2 stops6h 30m

Castletown Ronaldsway

Mon 5/10

18:40-16:50

3 stops22h 10m

£432

SouthamptonCastletown

SOU Southampton Eastleigh - IOM Castletown Ronaldsway

SOUIOM

Southampton Eastleigh

Thu 5/11

19:55-11:00

1 stop15h 05m

Castletown Ronaldsway

Wed 11/11

12:25-08:25

1 stop20h 00m

£516

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Sorted by cheapest first

Best time to book a flight from Southampton to Castletown

Have a flexible travel schedule? Discover the best time to fly to Castletown from Southampton with our price prediction graph.

SOU-IOM

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.

Related info for your journey

How long is the flight from Southampton to Castletown?
Departing from Southampton to Castletown will take you 20h 50m. There are 256 mi between Southampton and Castletown.
Can I find deals for flights from Southampton to Castletown that include hotel bookings?
Yes. In addition to deals on Southampton to Castletown flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Castletown?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Castletown.
Can I find deals for business class flights from Southampton to Castletown?
Yes. Cheapflights offers flight deals from Southampton to Castletown 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

Douglas

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

Cheapflights makes it easy to find Southampton to Castletown flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castletown from Southampton.

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

Certainly. Search results for flights to Castletown from Southampton 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 Southampton to Castletown become cheaper?

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Cheap flights from Southampton to Castletown from £176

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Castletown

Cheapest flights from Southampton to CastletownExplore the most affordable flight options available from Southampton to Castletown. 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 Southampton to Castletown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

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

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

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

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

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

Find flight deals from Southampton to Castletown

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Cheapflights Fare Finder

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

Best time to book a flight from Southampton to Castletown

Have a flexible travel schedule? Discover the best time to fly to Castletown from Southampton with our price prediction graph.

Related info for your journey

How long is the flight from Southampton to Castletown?

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

How can I find direct flights from Southampton to Castletown?

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

Travelling to a place near Castletown?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Castletown

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Castletown

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

Complete your trip

Complete your trip to Castletown by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Southampton to Castletown by cabin class

Find flights from Southampton to Castletown, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and Castletown flights

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

Other flights from Southampton

Browse through other flights departing from Southampton. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from Southampton to Castletown
Explore the most affordable flight options available from Southampton to Castletown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

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

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

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