Cheapest return flights from Chicago to Dublin in August from $449

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

Return flights

11 Aug - 19 Aug British Airways
09 Aug - 19 Aug British Airways
17 Aug - 28 Aug Finnair direct
18 Aug - 28 Aug Finnair direct
19 Aug - 28 Aug Finnair
19 Aug - 28 Aug Aer Lingus direct
09 Aug - 19 Aug Aer Lingus direct
25 Aug - 01 Sep Finnair
11 Aug - 19 Aug Aer Lingus direct
26 Aug - 02 Sep Delta
19 Aug - 29 Aug Finnair
19 Aug - 29 Aug Aer Lingus direct
31 Aug - 14 Sep British Airways
27 Aug - 03 Sep Iberia
30 Aug - 12 Sep Scandinavian Airlines
25 Aug - 01 Sep Aer Lingus direct
26 Aug - 02 Sep Aer Lingus direct
28 Aug - 04 Sep Finnair
28 Aug - 04 Sep Iberia direct
27 Aug - 03 Sep United direct

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

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