June is the cheapest month to fly this route, with average fares around $134 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $136 | $106 | ||
| June 2026 | $134 | $85 | Best | |
| July 2026 | $155 | $118 | ||
| August 2026 | $172 | $130 | Peak |
Departing on Wednesday offers the lowest average fares at $120. Friday departures are the most expensive at $160, a difference of $40.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Barcelona to Dublin is June, with average round-trip fares around $134. The lowest fare found in June is $85.
Wednesday departures are the cheapest, averaging $120 round trip. The most expensive day is Friday at $160.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $172 compared to $134 in the cheapest month. July is a solid middle-ground option at $155.
Flying in June instead of August can save you approximately $38 per round trip. The cheapest month averages $134 while the most expensive averages $172.
Airlines, flight times, price calendar, and more for Barcelona to Dublin
View BCN → DUB Details