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Cheap flights from Southampton to Castletown from £243

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IOM
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Castletown

Enter your travel dates to find the best prices.

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 23 December 2025.

Mon 5/120:10SOU - IOM
2 stops14h 30mMultiple Airlines
Fri 9/116:30IOM - SOU
2 stops16h 15mMultiple Airlines
Deal found 21/12£243
Mon 5/109:30SOU - IOM
1 stop7h 20mAer Lingus
Fri 9/117:20IOM - SOU
1 stop15h 25mAer Lingus
Deal found 21/12£290
Fri 13/212:00SOU - IOM
1 stop6h 05mLoganair
Mon 16/215:40IOM - SOU
1 stop25h 50mLoganair
Deal found 20/12£296
Fri 13/212:00SOU - IOM
2 stops28h 10mBritish Airways
Mon 16/212:05IOM - SOU
2 stops29h 25mBritish Airways
Deal found 20/12£576

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 23 December 2025.

Round-trip from

£243

Popular in

June

Cheapest in

March

Average price

£116
5/1-9/1
  • 5/1-9/1
  • 4 total stops
  • 30h 45m total
  • Southampton to Castletown
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 23 December 2025.
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

Mon 5/1

20:10-10:40

2 stops14h 30m

Castletown Ronaldsway

Fri 9/1

16:30-08:45

2 stops16h 15m

£243

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Mon 5/1

09:30-16:50

1 stop7h 20m

Castletown Ronaldsway

Fri 9/1

17:20-08:45

1 stop15h 25m

£290

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Fri 13/2

12:00-18:05

1 stop6h 05m

Castletown Ronaldsway

Mon 16/2

15:40-17:30

1 stop25h 50m

£296

SouthamptonCastletown

SOU - IOM

SOUIOM

Southampton Eastleigh

Fri 13/2

12:00-16:10

2 stops28h 10m

Castletown Ronaldsway

Mon 16/2

12:05-17:30

2 stops29h 25m

£576

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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 July 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 6h 05m. There are 256 mi between Southampton and Castletown. Both multi-stop and direct flights can be found to your destination and back.

  • 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 July 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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