Cheapest return flights from Chicago to Dublin in August from $488

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

21 Aug - 27 Aug Scandinavian Airlines
17 Aug - 24 Aug Scandinavian Airlines
14 Aug - 28 Aug Scandinavian Airlines
23 Aug - 01 Sep Scandinavian Airlines
19 Aug - 31 Aug Scandinavian Airlines
02 Aug - 29 Aug TAP
20 Aug - 23 Sep jetBlue
22 Aug - 31 Aug Scandinavian Airlines
22 Aug - 09 Sep Scandinavian Airlines
03 Aug - 18 Aug TAP
04 Aug - 16 Aug TAP
22 Aug - 01 Sep TAP
03 Aug - 09 Aug TAP
03 Aug - 08 Aug TAP
22 Aug - 09 Sep Aer Lingus direct
23 Aug - 01 Sep Aer Lingus direct
22 Aug - 01 Sep Finnair direct
20 Aug - 23 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin