Cheapest return flights from Washington to Dublin in August from 350€

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

Return flights

19 Aug - 26 Aug Aer Lingus direct
19 Aug - 22 Aug Aer Lingus direct
17 Aug - 26 Aug Aer Lingus direct
18 Aug - 25 Aug United direct
18 Aug - 24 Aug SWISS
16 Aug - 25 Aug SWISS
22 Aug - 28 Aug Aer Lingus direct
22 Aug - 29 Aug Aer Lingus direct
22 Aug - 05 Sep Aer Lingus direct
21 Aug - 13 Sep Aer Lingus direct
16 Aug - 23 Aug United direct
26 Aug - 09 Sep Lufthansa
16 Aug - 25 Aug Aer Lingus direct
18 Aug - 03 Sep Aer Lingus
21 Aug - 11 Sep Aer Lingus
31 Aug - 04 Sep Allegiant Air
19 Aug - 13 Sep Scandinavian Airlines
30 Aug - 17 Sep Icelandair
17 Aug - 06 Sep Aer Lingus
30 Aug - 03 Sep Allegiant Air

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

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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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