Cheapest return flights from Washington to Dublin in August from $641

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

15 Aug - 23 Aug Scandinavian Airlines
14 Aug - 22 Aug Scandinavian Airlines
22 Aug - 13 Sep Scandinavian Airlines
06 Aug - 13 Aug Aer Lingus direct
11 Aug - 18 Aug Scandinavian Airlines
13 Aug - 19 Aug British Airways
13 Aug - 19 Aug Aer Lingus direct
22 Aug - 13 Sep United direct
15 Aug - 23 Aug Aer Lingus direct
14 Aug - 22 Aug American Airlines 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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