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Cheap flights from Dublin to Castletown from £85

DUB — IOM
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Castletown

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Castletown

Thu 22/1016:00 -
Nonstop0h 50m
Thu 29/1017:20 -
Nonstop0h 45m
Deal found 7/9£85
Sun 11/1010:55 -
Nonstop0h 50m
Sun 18/1017:20 -
Nonstop0h 50m
Deal found 10/9£86
Tue 6/1010:55 -
Nonstop0h 50m
Thu 8/1012:15 -
Nonstop0h 50m
Deal found 9/9£90
Thu 22/1010:55 -
Nonstop0h 50m
Thu 29/1015:20 -
1 stop8h 05m
Deal found 7/9£98
Sat 24/1016:00 -
Nonstop0h 50m
Sat 31/1017:20 -
Nonstop0h 45m
Deal found 9/9£113
Sun 11/1022:55 -
1 stop8h 55m
Sun 18/1012:15 -
Nonstop0h 50m
Deal found 10/9£114
Sat 24/1016:00 -
Nonstop0h 50m
Sat 31/1011:30 -
1 stop9h 40m
Deal found 9/9£125
Fri 11/916:00 -
Nonstop0h 50m
Sun 13/917:20 -
Nonstop0h 50m
Deal found 9/9£128
Thu 17/910:35 -
1 stop4h 50m
Sun 20/912:15 -
Nonstop0h 50m
Deal found 6/9£155

Find flight deals from Dublin to Castletown

Round-trip from

£85

Popular in

May

Cheapest in

October

Average price

£128

Good round-trip deal

£99 or less
Aer Lingus
  • Aer Lingus
  • 22/10-29/10
  • Nonstop
  • 1h 35m total
  • Dublin to Castletown
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£28 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 September 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Castletown Ronaldsway.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Dublin to Castletown that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Tue 6/10

10:55-11:45

Nonstop0h 50m

Castletown Ronaldsway

Thu 8/10

12:15-13:05

Nonstop0h 50m

£90

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Sun 11/10

19:30-07:50

1 stop12h 20m

Castletown Ronaldsway

Sun 18/10

14:55-22:30

1 stop7h 35m

£156

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Wed 16/12

13:25-15:30

2 stops26h 05m

Castletown Ronaldsway

Wed 31/12

00:00-00:00

Nonstop0h 00m

£181

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Sat 24/10

21:15-16:05

2 stops18h 50m

Castletown Ronaldsway

Sat 31/10

14:40-23:50

1 stop9h 10m

£191

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Wed 6/1

15:10-15:30

1 stop24h 20m

Castletown Ronaldsway

Mon 11/1

11:40-12:35

1 stop24h 55m

£234

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Mon 4/1

08:45-15:30

1 stop6h 45m

Castletown Ronaldsway

Fri 8/1

11:30-19:45

1 stop8h 15m

£247

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Wed 6/1

09:00-15:30

1 stop6h 30m

Castletown Ronaldsway

Sun 10/1

13:10-19:40

1 stop6h 30m

£247

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Tue 5/1

20:40-15:30

1 stop18h 50m

Castletown Ronaldsway

Sat 9/1

12:05-09:55

1 stop21h 50m

£249

DublinCastletown

DUB Dublin - IOM Castletown Ronaldsway

DUBIOM

Dublin

Mon 12/10

08:30-15:30

1 stop7h 00m

Castletown Ronaldsway

Tue 13/10

11:30-18:40

1 stop7h 10m

£251

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

Best time to book a flight from Dublin to Castletown

Have a flexible travel schedule? Discover the best time to fly to Castletown from Dublin with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Dublin to Castletown

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

Currently, October is the cheapest month in which you can book a flight from Dublin to Castletown (average of £69). Flying from Dublin to Castletown in May is currently the most expensive (average of £193). 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 DUB to IOM?

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

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

Airfare is below average for this route at the moment.

Dublin to Castletown flights typically cost between £118 and £154 in October.
The cheapest return price found within the last 5 days was £85 on Aer Lingus (22 Oct–29 Oct).

Reviews of airlines servicing Castletown

See what other customers who have flown with Aer Lingus from Dublin to Castletown have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,755 reviews
Check prices

Boarding

7.5

Crew

8.1

Entertainment

7.0

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.
Aer Lingus
7.3
Good
1,755 reviews
Aer Lingus
7.3
Good
1,755 reviews
Check prices

Boarding

7.5

Crew

8.1

Entertainment

7.0

Food

6.7

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

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

    If you wish to fly to Castletown from Dublin, then you need to book flights from Dublin to Castletown Ronaldsway. There are 3 flights from Dublin (DUB) to Ronaldsway (IOM) per day to choose from. Flights to Castletown from Dublin are available from 1 airline, which means you should have some options if you want to compare airfare deals. 0h 50m is how long a nonstop flight from Dublin to Castletown Ronaldsway typically takes.

  • How popular is this Dublin to Castletown flight route?

    This flight path from Dublin to Castletown Ronaldsway was viewed by 18 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 Dublin to Castletown?

    There are many flights that can get you from Dublin to Castletown in 50m. Fly via Aer Lingus or British Airways to get the fastest option. Dublin and Castletown are separated by a distance of 80 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at £82, Aer Lingus will fly you from Dublin to Castletown and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip. You may be able to fly from Dublin to Castletown for 33% less than the average price by searching for this airline.

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

    No one likes to see their flight delayed. When booking a flight from Dublin to Castletown consider choosing Qatar Airways (53%), Aer Lingus (53%) or Emerald Airlines (53%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Dublin to Castletown?

    While on average a flight from Dublin to Castletown is generally £124, our data shows the cheapest flight currently is £90. When looking at the most popular route, (Dublin - Castletown Ronaldsway), you can expect to pay £89 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Dublin to Castletown (average of £69). Flying from Dublin to Castletown in May is currently the most expensive (average of £193). 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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Top airline flying from Dublin to Castletown

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£82Average£120FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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