Cheapest return flights from Chicago to Dublin in September from 414€

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

Return flights

02 Sep - 08 Sep SWISS
23 Sep - 29 Sep American Airlines
20 Sep - 29 Sep Iberia
23 Sep - 29 Sep Iberia direct
20 Sep - 29 Sep Finnair direct
02 Sep - 07 Sep SWISS
25 Sep - 02 Oct Scandinavian Airlines
02 Sep - 08 Sep Aer Lingus direct
14 Sep - 27 Sep SWISS
19 Sep - 03 Oct Turkish Airlines
02 Sep - 07 Sep Aer Lingus direct
25 Sep - 02 Oct Aer Lingus direct
25 Sep - 03 Oct Lufthansa
19 Sep - 03 Oct Aer Lingus direct
25 Sep - 03 Oct Brussels Airlines direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.