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

Return flights

21 Jul - 29 Jul	Aer Lingus	direct
31 Jul - 10 Aug	SWISS
07 Jul - 21 Jul	Aer Lingus	direct
15 Jul - 22 Jul	Aer Lingus	direct
07 Jul - 20 Jul	Aer Lingus	direct
17 Jul - 29 Jul	Aer Lingus	direct
15 Jul - 20 Jul	Aer Lingus	direct
06 Jul - 20 Jul	Aer Lingus	direct
18 Jul - 25 Jul	TAP
17 Jul - 25 Jul	TAP
02 Jul - 11 Jul	Icelandair
31 Jul - 10 Aug	Finnair	direct

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

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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Cheapest return flights from Chicago to Dublin in July from $530

Return flights