Cheapest return flights from Washington to Dublin in May from 387€

AirHint found the following cheapest return flights from Washington (IAD) to Dublin (DUB) in May 2026 (see full year).

Return flights

14 May - 19 May TAP
13 May - 19 May TAP
05 May - 10 May TAP
01 May - 05 May TAP
05 May - 12 May TAP
21 May - 09 Jun TAP
07 May - 30 May TAP
19 May - 13 Jun TAP
16 May - 06 Jun TAP
05 May - 10 May United direct
18 May - 24 May Scandinavian Airlines
18 May - 25 May TAP
05 May - 12 May Aer Lingus direct
22 May - 13 Jun TAP

Also check the deals for one-way flights from Washington to Dublin in May.

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