Cheap Flights Dublin – Cardiff from £15

Flight FAQs

• Which airlines offer the cheapest flights from Dublin (DUB) to Cardiff (CWL)?

  Based on Trip.com data, Ryanair offers one-way fares as low as £15 on Cheapest nonstop routes (e.g. DUB to CWL on Thu, Feb 12), while Ryanair offers Cheapest nonstop round-trips from £33 departing on Wed, Mar 4 and returning on Wed, Mar 11.

• Which airlines offer direct flights from Dublin to Cardiff?

  At the moment, you can catch a direct flight from Dublin to Cardiff with the following airlines, including: Ryanair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Dublin (DUB) to Cardiff (CWL)?

  It takes about 1 hour 3 minutes to fly from Dublin (DUB) to Cardiff (CWL).

• When is the best time to book flights from Dublin to Cardiff?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dublin to Cardiff is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Dublin to Cardiff?

  Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Dublin to Cardiff. You can check the weekly schedule for popular airlines on this route below: Ryanair: -/-/-/W/-/-/- -- FR7850 (09:09) Ryanair: S/-/T/-/T/F/- -- FR634 (14:29) Ryanair: -/-/-/-/-/-/S -- FR676 (20:05)

• How can I find the best deals on flights from Dublin to Cardiff?

  To find best deals on flights from Dublin to Cardiff, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Feb 12, with one-way flights priced at just £15.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Cardiff travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Dublin to Cardiff to get the best price?

  The cheapest months to fly from Dublin to Cardiff is November, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Dublin to Cardiff?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Dublin to Cardiff on February 16, 2026 with Ryanair, with prices starting at £15.

• Which airports can I fly through when travelling to Cardiff from Dublin?

  You can land at any one of the following hubs in Cardiff, with Dublin Airport to Cardiff Airport (DUB-CWL) is by far the most common option on this route: Cardiff Airport (CWL).

• What is the time difference between Dublin and Cardiff?

  The time difference between Cardiff and Dublin is 0h.

• How can I change or cancel my flight ticket from Dublin to Cardiff?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.