Cheapest return flights from Washington to Dublin in August from $547

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 August 2025 (see full year).

Return flights

14 Aug - 19 Aug Scandinavian Airlines
14 Aug - 19 Aug Aer Lingus direct
21 Aug - 28 Aug Aer Lingus direct
29 Aug - 07 Sep Scandinavian Airlines
02 Aug - 11 Aug TAP
04 Aug - 11 Aug TAP
01 Aug - 05 Aug Aer Lingus direct
09 Aug - 16 Aug Icelandair
02 Aug - 11 Aug Aer Lingus direct
29 Aug - 07 Sep Aer Lingus direct
09 Aug - 16 Aug United direct

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

Skyscanner

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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