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Cheap flights from London Southend Airport to Castletown from £113

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — IOM
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Castletown

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Castletown
Explore the most affordable flight options available from Southend to Castletown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Wed 19/820:15 -
2 stops22h 35m
Fri 21/817:20 -
2 stops15h 20m
Deal found 13/8£331

Find flight deals from Southend to Castletown

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) 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 18 August 2026.

Popular in

July

Cheapest in

January

Average price

£150
Highest demand for flights based on searches. 26% potential increase in price (£33 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 August 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend 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 18 August 2026.
Use the filters below to find and compare flights from London Southend Airport to Castletown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Wed 4/11

17:20-16:25

2 stops23h 05m

£113

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Sun 27/9

16:25-13:00

2 stops20h 35m

£139

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Mon 24/8

19:20-11:45

3 stops40h 25m

£152

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Sat 31/10

14:30-16:50

3 stops26h 20m

£177

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Thu 20/8

20:40-14:45

2 stops18h 05m

£194

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Tue 25/8

06:30-11:45

2 stops29h 15m

£206

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Fri 28/8

22:00-11:40

2 stops13h 40m

£218
Fastest single journey

LondonCastletown

SEN London Southend - IOM Castletown Ronaldsway

SENIOM

London Southend

Sun 27/9

07:00-19:25

3 stops12h 25m

£308

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Sorted by cheapest first

Best time to book a flight from Southend to Castletown

Have a flexible travel schedule? Discover the best time to fly to Castletown from Southend 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 Southend to Castletown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castletown from London Southend?

    Castletown Ronaldsway (IOM), located 1.4 mi from the city center, is the airport you fly into when you book flights from London Southend to Castletown. 0 airlines have flights to Ronaldsway from London Southend on a regular basis. Booking flights from London Southend to Castletown Ronaldsway should not be difficult; the airport handles an average of 0 inbound flights from London Southend per day.

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

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

  • How can I find direct flights from Southend to Castletown?

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

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

    Yes. Cheapflights offers flight deals from Southend 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
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Alternative routes for Southend to Castletown

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Castletown flights
Gatwick to Castletown flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Southend 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 Southend to Castletown?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southend to Castletown.

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

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

Of course! You can now track prices for flights from Southend 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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