Cheap flights from Dublin to Cardiff from €37
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Cardiff departing on 21/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Dublin to Cardiff
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Dublin and Cardiff?
What is the cheapest month to fly to Cardiff?
The cheapest month to fly to Cardiff from Dublin is in October. Flight prices, which tend to average around €70, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Cardiff from Dublin during September instead. Flights to Cardiff in September, while not as cheap as those in October, still average around €71.
What is the cheapest day to depart on your flight to Cardiff?
The cheapest day to depart from Dublin to Cardiff is on a Wednesday. Travellers who choose to depart for Cardiff on a Wednesday will often find tickets for as low as €211. On the other hand, Friday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €403.
How far in advance should I book a flight to Cardiff?
You are more likely to see cheaper flights to Cardiff from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Cardiff for around €108 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cardiff from Dublin for as low as €59 on momondo.
How have Dublin to Cardiff flight prices changed over time?
As of July 2025, prices for Dublin to Cardiff flights are approximately 33% more expensive when compared to flights at the same time last year.
How many flights depart from Dublin to Cardiff on average per week?
2 flights are operational weekly from Dublin to Cardiff as of July 2025. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.
When to book flights from Dublin to Cardiff
Cheap Dublin to Cardiff (DUB to CWL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Cardiff
Best price found | €43 |
|---|---|
Fastest flight time | 1h 00m |
Direct flights | Mon, Tue, Fri and Sat |
Airports in Cardiff | 1 airport |
How far is Dublin to Cardiff Wales by plane?
Cardiff Wales is 294.1 km away from Dublin. Typically, this will take 1h 00m by plane in normal conditions.
When did momondo last update prices for flights from Dublin Airport to Cardiff Wales Airport?
Prices for flights from Dublin Airport to Cardiff Wales Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Cardiff Wales Airport?
As of July 2025, there is 1 operator available to choose from for flights from Dublin Airport to Cardiff Wales Airport.
How old do you have to be to fly from Dublin Airport to Cardiff Wales Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Cardiff Wales Airport.
What documentation or ID do you need to fly to Cardiff Wales Airport?
The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to Cardiff?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Cardiff is Boeing 737-800 Passenger/BBJ2 (winglets), representing 34.74% of all bookings. The subsequent popular models are ATR 72-201 / 202 at 33.16%, Boeing 737 MAX 8 at 25.26%, and Airbus A320-100/200 at 6.32%.
What is the most popular airline from Dublin to Cardiff?
momondo data reveals that the most frequently booked airline on the route from Dublin to Cardiff is Aer Lingus, representing 100% of all bookings.
Best airlines flying from Dublin to Cardiff
Compare and see reviews for airlines that fly from Dublin to Cardiff with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €83 | Free Cancellation | Rating 7.1 1,151 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Cardiff?
Finding the right flight to Cardiff from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.
Can I find flights from Dublin to Cardiff with flexible booking policies on momondo?
momondo does allow users to show only those flights to Cardiff from Dublin which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Dublin to Cardiff?
Once all potential Dublin to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Dublin to Cardiff right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Dublin to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.