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Cheap Flights from Dublin to Castle

Compare Dublin to Castle flight deals

Find the cheapest month or even day of the year to fly to Castle

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Dublin Airport to Castle flight deals

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Castle? Find our lowest prices on one-way and return tickets to the easiest airport right here.
Cardiff.ر.ق.‏ 58 per passenger.Departing Thu, 21 May.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 21 May, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 58, select.
Cardiff.ر.ق.‏ 58 per passenger.Departing Wed, 1 Apr.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 1 Apr, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 58, select.
Cardiff.ر.ق.‏ 58 per passenger.Departing Mon, 29 Jun.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 29 Jun, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 58, select.
Cardiff.ر.ق.‏ 58 per passenger.Departing Sat, 28 Mar.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sat, 28 Mar, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 58, select.
Cardiff.ر.ق.‏ 102 per passenger.Departing Tue, 14 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 14 Jul, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 102, select.
Cardiff.ر.ق.‏ 105 per passenger.Departing Wed, 16 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 16 Sep, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 105, select.
Cardiff.ر.ق.‏ 105 per passenger.Departing Tue, 11 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 11 Aug, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 105, select.
Cardiff.ر.ق.‏ 111 per passenger.Departing Wed, 14 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 14 Oct, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 111, select.
Cardiff.ر.ق.‏ 593 per passenger.Departing Tue, 15 Dec.One-way flight with KLM.Outbound indirect flight with KLM, departs from Dublin on Tue, 15 Dec, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 593, select.
Cardiff.ر.ق.‏ 642 per passenger.Departing Mon, 16 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Mon, 16 Nov, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 642, select.
Cardiff.ر.ق.‏ 1,116 per passenger.Departing Fri, 26 Feb.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Fri, 26 Feb, arriving in Cardiff.Price includes taxes and charges.From ر.ق.‏ 1,116, select.

Dublin to Castle: Flight information

The things to know before you go.
Fly intoCardiff Airport
Cheapest flight foundر.ق.‏ 58
Cheapest month to flyMay
Average flight time1 hr, 3 mins
Most popular airlineRyanair
Average flights per week9

Find the cheapest month to fly from Dublin to Castle

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Dublin to Castle flights are currently cheapest in March. We’ve based this on flights into Cardiff Airport.
Mar
from ر.ق.‏ 58
Apr
from ر.ق.‏ 58
May
from ر.ق.‏ 58
Jun
from ر.ق.‏ 58
Jul
from ر.ق.‏ 102
Aug
from ر.ق.‏ 105
Sep
from ر.ق.‏ 105
Oct
from ر.ق.‏ 111
Nov
from ر.ق.‏ 642
Dec
from ر.ق.‏ 593
Jan
Find prices
Feb
from ر.ق.‏ 1,116

Finding cheap flights from Dublin to Castle: Frequently asked questions

There are 3 airports near Castle: Cardiff Airport, Bristol Airport and Swansea Airport.
The best price we found for a return flight from Dublin to Castle is ر.ق.‏ 126. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Ryanair, Aer Lingus, Buzz all offer direct flights to Cardiff Airport.
We've checked every Dublin Airport to Castle fare we could find, and the cheapest upcoming date to fly seems to be on Thursday, 12 March 2026. Overall, the cheapest month to fly from Dublin Airport to Castle is usually March.
If you're flying from Dublin Airport, the cheapest airport near Castle is Cardiff – which is 14.7 km away from the centre of Castle. We've found flights into this airport from ر.ق.‏ 126.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Castle on Thursday, 12 March 2026.
No airlines currently offer direct flights between Dublin Airport and Castle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castle is around 40 days in advance, so don’t leave your flight to the last minute.
Cardiff Airport is 14.7km from Castle, Bristol Airport is 33.8km from Castle, and Swansea Airport is 56.2km from Castle.
Cardiff Airport is closest to Castle, at around 14.7 km away.
Currently, the cheapest airline that flies to Cardiff Airport - the closest airport to Castle - Ryanair.