Cheapest return flights from Washington to Dublin in May from 400€

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

17 May - 22 May Fly Play
03 May - 08 May Fly Play
07 May - 12 May Fly Play
25 May - 29 May Fly Play
15 May - 22 May Fly Play
11 May - 18 May Fly Play
01 May - 07 May Fly Play
22 May - 05 Jun Fly Play
06 May - 20 May Fly Play
06 May - 20 May Aer Lingus direct
15 May - 22 May Aer Lingus direct
22 May - 05 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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