Cheapest return flights from Chicago to Dublin in August from $418

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

24 Aug - 31 Aug Scandinavian Airlines
17 Aug - 26 Aug Scandinavian Airlines
17 Aug - 23 Aug Scandinavian Airlines
29 Aug - 07 Sep Scandinavian Airlines
29 Aug - 03 Sep Scandinavian Airlines
15 Aug - 29 Aug TAP
14 Aug - 22 Aug TAP
19 Aug - 26 Aug Aer Lingus direct
04 Aug - 18 Aug Air Canada
29 Aug - 01 Sep Scandinavian Airlines
28 Aug - 07 Sep Scandinavian Airlines
27 Aug - 01 Sep Scandinavian Airlines
07 Aug - 18 Aug jetBlue
14 Aug - 21 Aug Aer Lingus direct
26 Aug - 03 Sep jetBlue
26 Aug - 11 Sep jetBlue
27 Aug - 02 Sep Icelandair
22 Aug - 11 Sep Icelandair
02 Aug - 16 Aug Icelandair
22 Aug - 11 Sep Aer Lingus direct

Also check the deals for one-way flights from Chicago 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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