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Cheap flights from Southampton to Castletown from £238

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IOM
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Castletown

Enter your travel dates to find the best prices.

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 3 February 2026.

Tue 17/212:15
SOU
-
IOM
2 stops19h 15m
Multiple Airlines
Sat 21/214:10
IOM
-
SOU
1 stop2h 30m
Multiple Airlines
Deal found 2/2£238
Wed 18/208:55
SOU
-
IOM
2 stops22h 35m
Multiple Airlines
Sun 22/217:20
IOM
-
SOU
1 stop15h 25m
Multiple Airlines
Deal found 3/2£284
Thu 12/312:00
SOU
-
IOM
1 stop23h 50m
Loganair
Mon 16/309:25
IOM
-
SOU
1 stop8h 05m
Loganair
Deal found 2/2£299
Sat 11/406:50
SOU
-
IOM
1 stop12h 55m
Loganair
Wed 15/415:35
IOM
-
SOU
1 stop5h 10m
Loganair
Deal found 1/2£330
Tue 17/215:00
SOU
-
IOM
1 stop20h 50m
Loganair
Sat 21/214:10
IOM
-
SOU
1 stop2h 30m
Loganair
Deal found 2/2£362

Find flight deals from Southampton to Castletown

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Castletown (IOM). 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 3 February 2026.

Round-trip from

£238

Popular in

June

Cheapest in

March

Average price

£56
Loganair
  • Loganair
  • 17/2-21/2
  • 3 total stops
  • 21h 45m total
  • Southampton to Castletown
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Castletown 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 3 February 2026.
Use the filters below to find and compare flights from Southampton to Castletown that are best for you.

Fly from

Southampton

Fly to

Castletown

Route

Depart

Return

Price

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Tue 17/2

12:25-16:50

1 stop4h 25m

Castletown Ronaldsway

Sat 21/2

14:10-16:40

1 stop2h 30m

£260

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Wed 18/2

08:55-07:30

2 stops22h 35m

Castletown Ronaldsway

Sun 22/2

17:20-08:45

1 stop15h 25m

£284

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Thu 12/3

12:00-11:50

1 stop23h 50m

Castletown Ronaldsway

Mon 16/3

09:25-17:30

1 stop8h 05m

£299

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Sat 11/4

06:50-19:45

1 stop12h 55m

Castletown Ronaldsway

Wed 15/4

15:35-20:45

1 stop5h 10m

£330

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Tue 17/2

15:00-11:50

1 stop20h 50m

Castletown Ronaldsway

Sat 21/2

14:10-16:40

1 stop2h 30m

£362

Flights are sorted by cheapest return flights first.

Deals found on 2/2

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.
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 Southampton to Castletown

What is the cheapest month to book a flight from Southampton to Castletown?

Currently, February is the cheapest month in which you can book a flight from Southampton to Castletown (average of £31). Flying from Southampton to Castletown in August is currently the most expensive (average of £74). 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

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

  • How long is the flight from Southampton to Castletown?

    Departing from Southampton to Castletown will take you 23h 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.

  • What is the cheapest month to book a flight from Southampton to Castletown?

    Currently, February is the cheapest month in which you can book a flight from Southampton to Castletown (average of £31). Flying from Southampton to Castletown in August is currently the most expensive (average of £74). 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 Castletown?

Book flights to Castletown if you plan to visit one of these locations
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?

Of course! You can now track prices for flights from Southampton to Castletown and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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