Cheap flights from Cardiff to Dublin
Cheap return flights from Cardiff to Dublin
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Dublin flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- Aer Lingus
- British Airways
These airlines usually offer the cheapest flights from Cardiff to Dublin.
What airlines fly indirectly?
- KLM
- Lufthansa
- Air France
These airlines fly from Cardiff to Dublin, but you’ll have at least one layover.
How long is the flight?
1 hour
This is the shortest flight time from Cardiff to Dublin.
Alternative flights from the UK to Dublin
Check out prices for other routes
Alternative flights from Cardiff
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Cardiff/Dublin route. There are around 35 flights on any given week from the UK to Dublin and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Cardiff to Dublin
Tips and advice from our flight experts
You've searched for flights from Cardiff to Dublin. We've found 15 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest for this route, so keep an eye out for them. The cheapest offer we've found is a one-way ticket for Cardiff to Dublin on 30/06/2026 at 21:25 for £62.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 5 airlines that operate the 290 km flight from Cardiff to Dublin.
To find the best offers, book in advance or look for last-minute deals. Consider flying with Ryanair, which is popular for this route, and remember the average flight duration is about 1 hour. After selecting an offer, fill out your information and payment. Don't forget to check our flight + hotel service to book everything at once, saving time and money.
Other popular destinations near Dublin
Where other people are flying to
