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

Return flights

05 May - 15 May	Frontier Airlines
12 May - 26 May	Air Canada
05 May - 18 May	Frontier Airlines
20 May - 02 Jun	Spirit Airlines
12 May - 26 May	American Airlines	direct
17 May - 02 Jun	Spirit Airlines
03 May - 07 May	Spirit Airlines
15 May - 30 May	Spirit Airlines
20 May - 27 May	Air Canada
20 May - 12 Jun	Spirit Airlines
26 May - 05 Jun	Spirit Airlines
18 May - 25 May	Air Canada
17 May - 24 May	Spirit Airlines
22 May - 30 May	Spirit Airlines
29 May - 01 Jun	Spirit Airlines
20 May - 12 Jun	Aer Lingus	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Dallas-Fort Worth to Dublin in May from 526€

Return flights