Cheapest return flights from Washington to Dublin in August from $506

AirHint found the following cheapest return flights from Washington (IAD) to Dublin (DUB) in August 2026 (see full year).

Return flights

13 Aug - 20 Aug Aer Lingus direct
14 Aug - 21 Aug Aer Lingus direct
24 Aug - 31 Aug Aer Lingus direct
25 Aug - 01 Sep Aer Lingus direct
27 Aug - 03 Sep Aer Lingus direct
26 Aug - 02 Sep Aer Lingus direct
28 Aug - 04 Sep Scandinavian Airlines
31 Aug - 07 Sep Icelandair
23 Aug - 30 Aug Scandinavian Airlines
12 Aug - 19 Aug Aer Lingus direct
15 Aug - 28 Aug Aer Lingus direct
10 Aug - 21 Aug Aer Lingus direct
22 Aug - 25 Aug Aer Lingus direct
15 Aug - 22 Aug British Airways
29 Aug - 05 Sep Scandinavian Airlines
11 Aug - 18 Aug British Airways
30 Aug - 06 Sep Icelandair
22 Aug - 12 Sep Icelandair
22 Aug - 12 Sep United direct
31 Aug - 07 Sep Aer Lingus direct

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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