Cheapest return flights from Washington to Dublin in August from $475

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

13 Aug - 20 Aug Aer Lingus direct
20 Aug - 26 Aug Aer Lingus direct
19 Aug - 26 Aug Aer Lingus direct
18 Aug - 26 Aug Aer Lingus direct
05 Aug - 20 Aug Aer Lingus direct
20 Aug - 27 Aug Aer Lingus direct
20 Aug - 25 Aug Aer Lingus direct
18 Aug - 25 Aug Aer Lingus direct
26 Aug - 02 Sep Aer Lingus direct
12 Aug - 19 Aug Aer Lingus direct
22 Aug - 29 Aug Scandinavian Airlines
27 Aug - 03 Sep Aer Lingus direct
30 Aug - 17 Sep Scandinavian Airlines
25 Aug - 01 Sep Scandinavian Airlines
31 Aug - 07 Sep Scandinavian Airlines
28 Aug - 04 Sep Scandinavian Airlines
30 Aug - 06 Sep Scandinavian Airlines
27 Aug - 01 Sep Icelandair
29 Aug - 05 Sep Aer Lingus direct
31 Aug - 07 Sep Aer Lingus 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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