August is the cheapest month to fly this route, with average fares around $1038 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $1151 | $1113 | ||
| June 2026 | $1206 | $1104 | Peak | |
| July 2026 | $1105 | $1026 | ||
| August 2026 | $1038 | $1015 | Best |
Departing on Tuesday offers the lowest average fares at $1119. Thursday departures are the most expensive at $1189, a difference of $70.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Dallas to Dublin is August, with average round-trip fares around $1038. The lowest fare found in August is $1015.
Tuesday departures are the cheapest, averaging $1119 round trip. The most expensive day is Thursday at $1189.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $1206 compared to $1038 in the cheapest month. May is a solid middle-ground option at $1151.
Flying in August instead of June can save you approximately $168 per round trip. The cheapest month averages $1038 while the most expensive averages $1206.
Airlines, flight times, price calendar, and more for Dallas to Dublin
View DFW → DUB Details