Cheapest return flights from Washington to Dublin in May from 488€

Best time to book flights for Washington (IAD) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Dublin (DUB) in May 2025 (see full year).

Return flights

10 May - 14 May Scandinavian Airlines
04 May - 11 May Scandinavian Airlines
29 May - 05 Jun Aer Lingus direct
28 May - 04 Jun Aer Lingus direct
30 May - 06 Jun Aer Lingus direct
11 May - 18 May Aer Lingus direct
17 May - 24 May Aer Lingus direct
27 May - 03 Jun Aer Lingus direct
04 May - 11 May Aer Lingus direct
08 May - 12 May Aer Lingus direct
17 May - 22 May Aer Lingus direct
20 May - 26 May Aer Lingus direct
01 May - 17 May Aer Lingus direct
14 May - 19 May Aer Lingus direct
31 May - 03 Jun Aer Lingus direct
25 May - 07 Jun Aer Lingus direct
28 May - 09 Jun Aer Lingus direct
29 May - 03 Jun Aer Lingus direct
15 May - 05 Jun Aer Lingus direct
24 May - 04 Jun Aer Lingus direct

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

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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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