Cheap flight deals from Cardiff to Dublin

Book direct flights from Cardiff to Dublin: One way flights from MOP 272, round trip flights from MOP 458. Find flight deals for the next 3 months below.

Deals on upcoming round-trip flights from Cardiff to Dublin

Deals on upcoming one-way flights from Cardiff to Dublin

Flying from Cardiff to Dublin

The distance between Cardiff and Dublin is about 300.11 km. It takes around 1 hour on average to fly from Cardiff to Dublin. The most popular month to Dublin is March. The off-season for travel is April.

Cheapest one-way flight priceMOP 272
Cheapest round-trip ticket priceMOP 458
Off-season for travelApril
Peak season for travelMarch
Flight distance300.11 km
Average flight time1 hour

When is the cheapest time to fly from Cardiff to Dublin?

The cheapest time for Cardiff to Dublin flights: Oct 5 to Oct 12 — one way flight prices from MOP 271.

Cheapest flights
From price
Search
  • 512
  • 1219
  • 1926
  • Nov

    262
  • 29
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Cardiff to Dublin (CWL-DUB)?

    Based on Trip.com data, Ryanair offers one-way fares as low as MOP 272 on Cheapest nonstop routes (e.g. CWL to DUB on Thu, Oct 9), while Ryanair offers Cheapest nonstop round-trips from MOP 458 departing on Sat, Nov 15 and returning on Mon, Nov 17.
  • It takes around 1 hour to fly from Cardiff (CWL) to Dublin (DUB).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cardiff to Dublin 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.
  • To find best deals on flights from Cardiff to Dublin, 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, Oct 9, with one-way flights priced at just MOP 272.
    · 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 Dublin travel is around March.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cardiff to Dublin is April, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Cardiff to Dublin on October 18, 2025 with Ryanair, with prices starting at MOP 472.
  • The time difference between Dublin and Cardiff is 0h.
  • Tickets can only be changed or canceled 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.

How to find a cheap flight from Cardiff to Dublin

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Cardiff to Dublin. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
For the best booking experience on the go, download Trip.com and search for cheap flights to access exclusive deals just for you.