Cheapest return flights from Chicago to Dublin in August from 555€

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 - 30 Aug Air Canada
28 Aug - 04 Sep Scandinavian Airlines
31 Aug - 29 Sep TAP
26 Aug - 03 Sep Air Canada
21 Aug - 30 Aug Aer Lingus direct
13 Aug - 26 Aug United
26 Aug - 02 Sep Iberia direct
03 Aug - 10 Aug TAP
01 Aug - 08 Aug TAP
04 Aug - 11 Aug TAP
05 Aug - 12 Aug Air Canada
14 Aug - 07 Sep SWISS
02 Aug - 09 Aug TAP
15 Aug - 30 Aug Aer Lingus direct
21 Aug - 06 Sep SWISS
15 Aug - 25 Aug TAP
28 Aug - 04 Sep Finnair direct
14 Aug - 07 Sep Finnair direct
21 Aug - 06 Sep Aer Lingus direct
31 Aug - 29 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