Flights Cardiff → Dublin
As of November 2026, economy flights from Cardiff to Dublin have a typical range GBP 230–926, median GBP 535. Full range across all 76 offers: GBP 165–2633. We analyzed 76 offers from 6 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Cardiff → Dublin
Based on 76 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Cardiff → Dublin
Add-on pricing from the cheapest available offer per airline · November 2026 · GBP
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Ryanair | Included | — | — |
| Air France | GBP 51 | — | — |
| KLM | Included | GBP 35 | — |
| Aer Lingus | — | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Cardiff to Dublin cost?
Based on 76 offers · November 2026
Cardiff to Dublin flights ranged from GBP 165 to GBP 2633 across 76 offers analyzed in November 2026. The chart below shows how prices distributed across all 76 offers.
These 76 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between GBP 382 and GBP 615
What hidden fees do Cardiff to Dublin flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Cardiff to Dublin routes. The breakdown below is based on 76 offers analyzed in November 2026.
| Carrier | Avg fee (GBP) | % of base fare |
|---|---|---|
| FR | 4 | 1% |
| AF | 50 | 4% |
| KL | 42 | 5% |
| EI | 8 | 1% |
Air France: base ~GBP 618 + fees GBP 50 = ~GBP 668 total. Aer Lingus: base ~GBP 660 + fees GBP 8 = ~GBP 668 total.
Air France's GBP 50 ancillary fees narrow the gap with Aer Lingus's lower-fee model — the GBP 42 base difference shrinks to GBP 0 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Cardiff to Dublin?
6 airlines flew Cardiff to Dublin in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Ryanair), fares ranged GBP 188–555 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (GBP) | Median (GBP) | Fees (GBP) |
|---|---|---|---|---|
 Ryanair | 37 | 188–555 | 380 | 4 (1%) |
 KLM | 11 | 435–610 | 510 | n/a |
 BY | 3 | 563–577 | 574 | n/a |
 KLM | 15 | 582–1078 | 640 | 42 (7%) |
 Air France | 5 | 576–2063 | 668 | 50 (8%) |
 Aer Lingus | 5 | 656–685 | 668 | 8 (1%) |
Where do the best Cardiff → Dublin prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Cardiff to Dublin flights
- Full-service carriers on Cardiff–Dublin cost 1.6x more than budget airlines (GBP 612 vs GBP 380 median; overall median GBP 535).
- AF charges 12.6x more in ancillary fees than FR — GBP 50 vs GBP 4 avg per booking.
- The same route priced GBP 210 apart depending on where it was booked — the lowest median was GBP 380. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Cardiff to Dublin cost?
- Based on 76 offers analyzed, Cardiff to Dublin flights range from GBP 165 to GBP 2633, with a median price of GBP 535. Search for your specific dates →
- What hidden fees should I expect on Cardiff to Dublin flights?
- On average, ancillary fees (bags, seat selection) add GBP 17 to the base fare on Cardiff to Dublin flights. See itemized fees for your itinerary →
- Which airline is cheapest on Cardiff to Dublin including all fees?
- Ryanair has the lowest median fare on Cardiff to Dublin at GBP 380 (median across 37 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Cardiff–Dublin flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was GBP 380. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Cardiff to Dublin routes?
- Cardiff to Dublin has 6 airlines competing, creating a price range from GBP 165 to GBP 2633 across 76 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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