Cheapest return flights from Washington to Dublin in May from 501€

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

Return flights

01 May - 05 May TAP
05 May - 12 May Aer Lingus direct
01 May - 05 May Aer Lingus direct
03 May - 10 May Aer Lingus direct
13 May - 22 May TAP
12 May - 22 May United
13 May - 22 May Aer Lingus direct
20 May - 27 May Icelandair
14 May - 06 Jun TAP
10 May - 17 May Aer Lingus direct
26 May - 05 Jun SWISS
19 May - 29 May Lufthansa
26 May - 05 Jun Aer Lingus direct
25 May - 01 Jun Porter Airlines (Canada) Ltd
29 May - 05 Jun Aer Lingus direct
14 May - 05 Jun Aer Lingus direct
25 May - 01 Jun Aer Lingus direct
14 May - 06 Jun Aer Lingus direct
30 May - 06 Jun Aer Lingus direct

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

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