Cheapest return DFW–DUB flights, May

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Dublin (DUB) in May 2026 (see full year).

Return flights

27 May - 03 Jun Frontier Airlines
24 May - 01 Jun Frontier Airlines
22 May - 27 May Frontier Airlines
31 May - 06 Jun Frontier Airlines
23 May - 06 Jun Frontier Airlines
22 May - 30 May Frontier Airlines
27 May - 03 Jun Aer Lingus direct
31 May - 06 Jun Iberia direct
22 May - 27 May Finnair direct
23 May - 06 Jun Finnair direct
22 May - 30 May Iberia direct

Also check the deals for one-way flights from Dallas-Fort Worth to Dublin in May.

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