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Cheap flights from Castletown to Dublin from £85

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
IOM — DUB
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Castletown to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Castletown to Dublin
Explore the most affordable flight options available from Castletown to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Thu 3/917:20 -
Nonstop0h 50m
Sun 6/910:55 -
Nonstop0h 50m
Deal found 11/8£85
Fri 25/917:20 -
Nonstop0h 50m
Wed 30/916:00 -
Nonstop0h 50m
Deal found 14/8£99
Thu 3/909:40 -
1 stop10h 50m
Sun 6/922:45 -
1 stop9h 05m
Deal found 12/8£100
Wed 30/912:20 -
Nonstop0h 50m
Wed 7/1016:00 -
Nonstop0h 50m
Deal found 16/8£104
Fri 11/917:20 -
Nonstop0h 50m
Mon 14/910:55 -
Nonstop0h 50m
Deal found 15/8£107
Wed 30/912:20 -
Nonstop0h 50m
Wed 7/1021:00 -
1 stop12h 10m
Deal found 16/8£117
Fri 25/917:15 -
1 stop6h 44m
Wed 30/916:00 -
Nonstop0h 50m
Deal found 14/8£118
Sat 5/1208:25 -
1 stop8h 10m
Sun 6/1216:00 -
Nonstop0h 50m
Deal found 14/8£120

Find flight deals from Castletown to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Castletown (IOM) to Dublin (DUB). 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 17 August 2026.

Round-trip from

£85

Popular in

March

Cheapest in

December

Average price

£137

Good round-trip deal

£180 or less
Aer Lingus
  • Aer Lingus
  • 3/9-6/9
  • Nonstop
  • 1h 40m total
  • Castletown to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Castletown Ronaldsway to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Castletown to Dublin 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 17 August 2026.
Use the filters below to find and compare flights from Castletown to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Thu 3/9

17:20-18:10

Nonstop0h 50m

Dublin

Sun 6/9

10:55-11:45

Nonstop0h 50m

£85

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Fri 25/9

17:20-18:10

Nonstop0h 50m

Dublin

Wed 30/9

16:00-16:50

Nonstop0h 50m

£85

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Thu 3/9

09:40-20:30

1 stop10h 50m

Dublin

Sun 6/9

22:45-07:50

1 stop9h 05m

£102

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Fri 11/9

17:20-18:10

Nonstop0h 50m

Dublin

Mon 14/9

10:55-11:45

Nonstop0h 50m

£107

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Sat 5/12

08:25-16:35

1 stop8h 10m

Dublin

Sun 6/12

16:00-16:50

Nonstop0h 50m

£120
Fastest return journey

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Sat 5/12

17:20-18:05

Nonstop0h 45m

Dublin

Sun 6/12

16:00-16:50

Nonstop0h 50m

£122

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Sun 30/8

17:20-18:10

Nonstop0h 50m

Dublin

Tue 1/9

16:00-16:50

Nonstop0h 50m

£138
Cheapest one-way
Fastest single journey

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Wed 2/12

15:35-11:25

2 stops19h 50m

£273

CastletownDublin

IOM Castletown Ronaldsway - DUB Dublin

IOMDUB

Castletown Ronaldsway

Tue 1/12

16:50-14:35

2 stops21h 45m

£462

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Sorted by cheapest first

Best time to book a flight from Castletown to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Castletown 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 Castletown to Dublin

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

Currently, December is the cheapest month in which you can book a flight from Castletown to Dublin (average of £96). Flying from Castletown to Dublin in March is currently the most expensive (average of £325). 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.

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

Find hourly flight availability from Castletown to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 August 2026.

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

How much does it cost for a return flight from Castletown to Dublin?

Airfare is below average for this route at the moment.

Castletown to Dublin flights typically cost between £109 and £241 in September.
The cheapest return price found within the last 5 days was £85 on Aer Lingus (3 Sept–6 Sept).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 17 August 2026.
Get a feel of what it's like to fly with Aer Lingus from Castletown to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,708 reviews
Check prices

Food

6.7

Overall

7.3

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2026

FCO - DUB

Very disappointed that there was no WiFi or entertainment on the plane. For a 9+ hour flight that was awful! Staff were very nice and friendly.
Aer Lingus
7.3
Good
1,708 reviews
Aer Lingus
7.3
Good
1,708 reviews
Check prices

Food

6.7

Overall

7.3

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2026

FCO - DUB

Very disappointed that there was no WiFi or entertainment on the plane. For a 9+ hour flight that was awful! Staff were very nice and friendly.

Related info for your journey

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

  • What airports do I use to fly from Castletown to Dublin?

    You will need to book a flight from Castletown Ronaldsway to Dublin if you want to fly from Castletown to Dublin. At least 1 airline has flights from Ronaldsway (IOM) to Dublin (DUB) on a regular basis. There is 1 flight to Dublin from the Castletown airport per day. If you manage to book one that is nonstop, then you can expect the flight time from IOM to DUB to be around 0h 45m.

  • How popular is this Castletown to Dublin flight route?

    The Castletown Ronaldsway to Dublin flight path was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Castletown to Dublin?

    For as low as £85, Aer Lingus can have you in Dublin from Castletown in 50m. Castletown and Dublin are separated by a distance of 80 mi. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Castletown to Dublin round-trip?

    Our cheapest airline available from Castletown to Dublin is Aer Lingus. Our recent data shows that you can find tickets from as low as £81 on this airline. You may be able to fly from Castletown to Dublin for 43% less than the average price by searching for this airline.

  • What are the most reliable airlines from Castletown to Dublin?

    The top 3 most reliable airlines when flying from Castletown to Dublin are Aer Lingus (70%), Emerald Airlines (70%) and Qatar Airways (61%).

  • What are the cheapest flights from Castletown to Dublin?

    On average you can expect to pay £447 for a flight from Castletown to Dublin. The cheapest flight overall is £134 while the most popular route, (Castletown Ronaldsway - Dublin) is currently priced at £448.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Castletown to Dublin 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 Castletown to Dublin?

    Currently, December is the cheapest month in which you can book a flight from Castletown to Dublin (average of £96). Flying from Castletown to Dublin in March is currently the most expensive (average of £325). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
Arklow
Cavan
Swords
Portmarnock
Athlone
Dundalk
Bray
Wicklow
Malahide
Maynooth
Drogheda
Kildare

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Castletown to Dublin

Discover the top airline that operate flights from Castletown to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£81Average£124FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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 Castletown to Dublin?

When you search for this flight from Castletown to Dublin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Castletown to Dublin.

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

Need flexible booking options for your flight to Dublin from Castletown? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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