Cheapest return flights from Washington to Dublin in August from $486

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

18 Aug - 26 Aug Scandinavian Airlines
18 Aug - 26 Aug Aer Lingus direct
21 Aug - 23 Aug Scandinavian Airlines
13 Aug - 20 Aug Aer Lingus direct
23 Aug - 28 Aug Scandinavian Airlines
30 Aug - 07 Sep Scandinavian Airlines
18 Aug - 25 Aug Aer Lingus direct
06 Aug - 11 Aug Aer Lingus direct
07 Aug - 18 Aug Air Canada
19 Aug - 22 Aug TAP
28 Aug - 04 Sep Aer Lingus direct
03 Aug - 10 Aug Aer Lingus direct
29 Aug - 08 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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