Cheapest return flights from Chicago to Dublin in August from $435

Best time to book flights for Chicago (ORD) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in August 2025 (see full year).

Return flights

17 Aug - 27 Aug Scandinavian Airlines
17 Aug - 24 Aug Scandinavian Airlines
18 Aug - 24 Aug Scandinavian Airlines
17 Aug - 25 Aug Scandinavian Airlines
21 Aug - 01 Sep Scandinavian Airlines
28 Aug - 01 Sep Scandinavian Airlines
04 Aug - 17 Sep TAP
06 Aug - 20 Aug Finnair direct
10 Aug - 24 Aug TAP
06 Aug - 17 Sep Aer Lingus direct
15 Aug - 21 Aug TAP
14 Aug - 22 Aug TAP
11 Aug - 19 Aug Aer Lingus direct
04 Aug - 17 Sep Aer Lingus direct
17 Aug - 27 Aug Aer Lingus direct
04 Aug - 15 Sep Air Canada
25 Aug - 01 Sep Aer Lingus direct
04 Aug - 15 Sep Aer Lingus direct
28 Aug - 01 Sep Aer Lingus direct
21 Aug - 01 Sep Aer Lingus direct

Also check the deals for one-way flights from Chicago 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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