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Cheap flights from Southampton to Castletown from £165

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IOM
8 Jun — 15 Jun1
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 9 May 2026.

Mon 8/620:00
SOU
-
IOM
1 stop15h 45m
Aer Lingus
Mon 15/617:20
IOM
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 7/5£186
Mon 8/620:00
SOU
-
IOM
2 stops16h 30m
Multiple Airlines
Mon 15/609:10
IOM
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 7/5£198
Tue 2/608:55
SOU
-
IOM
1 stop5h 40m
Multiple Airlines
Wed 3/609:05
IOM
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 5/5£204
Fri 22/520:00
SOU
-
IOM
1 stop22h 40m
Aer Lingus
Tue 26/519:10
IOM
-
SOU
1 stop12h 55m
Aer Lingus
Deal found 7/5£238
Tue 2/608:55
SOU
-
IOM
1 stop5h 40m
Aer Lingus
Wed 3/612:20
IOM
-
SOU
1 stop7h 10m
Aer Lingus
Deal found 5/5£241
Thu 21/520:00
SOU
-
IOM
1 stop15h 45m
Aer Lingus
Sun 24/517:20
IOM
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 5/5£243
Thu 21/508:55
SOU
-
IOM
2 stops9h 45m
Multiple Airlines
Sun 24/519:10
IOM
-
SOU
1 stop13h 30m
Multiple Airlines
Deal found 5/5£249
Fri 22/518:25
SOU
-
IOM
2 stops24h 15m
Multiple Airlines
Tue 26/513:00
IOM
-
SOU
2 stops19h 05m
Multiple Airlines
Deal found 7/5£272
Sun 2/812:35
SOU
-
IOM
2 stops19h 15m
Multiple Airlines
Tue 4/812:15
IOM
-
SOU
1 stop7h 15m
Multiple Airlines
Deal found 4/5£289

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 9 May 2026.

Round-trip from

£186

One-way from

£165

Popular in

June

Cheapest in

January

Average price

£131
Aer Lingus
  • Aer Lingus
  • 8/6-15/6
  • 2 total stops
  • 31h 05m total
  • Southampton to Castletown
Search Deals
British Airways
  • British Airways
  • 2/7
  • 1 total stop
  • 6h 40m total
  • Southampton to Castletown
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£27 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 May 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 9 May 2026.
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 - IOM

SOUIOM

Southampton Eastleigh

Mon 8/6

20:00-11:45

1 stop15h 45m

Castletown Ronaldsway

Mon 15/6

17:20-08:40

1 stop15h 20m

£186

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Thu 21/5

08:55-18:40

2 stops9h 45m

Castletown Ronaldsway

Sun 24/5

19:10-08:40

1 stop13h 30m

£249

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Fri 22/5

18:25-18:40

2 stops24h 15m

Castletown Ronaldsway

Tue 26/5

13:00-08:05

2 stops19h 05m

£272

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Sun 2/8

12:35-07:50

2 stops19h 15m

Castletown Ronaldsway

Tue 4/8

18:00-16:50

2 stops22h 50m

£293

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Mon 8/6

17:20-12:30

3 stops19h 10m

Castletown Ronaldsway

Mon 15/6

09:10-19:30

2 stops10h 20m

£297

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Sun 2/8

12:35-07:50

2 stops19h 15m

Castletown Ronaldsway

Tue 4/8

10:00-10:15

2 stops24h 15m

£301

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Wed 14/10

10:45-11:45

2 stops25h 00m

Castletown Ronaldsway

Thu 22/10

15:55-08:40

2 stops16h 45m

£318

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Tue 7/7

18:25-17:45

1 stop23h 20m

Castletown Ronaldsway

Fri 10/7

15:35-12:00

1 stop20h 25m

£346
Fastest return journey

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Wed 14/10

09:20-16:50

1 stop7h 30m

Castletown Ronaldsway

Sat 24/10

12:10-19:05

2 stops6h 55m

£346
Cheapest one-way
Fastest single journey

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Thu 2/7

06:45-13:25

1 stop6h 40m

£165

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
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.

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 15h 45m. 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

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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