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

Return flights

21 Jul - 28 Jul	American Airlines
21 Jul - 28 Jul	Iberia	direct
22 Jul - 29 Jul	Iberia	direct
22 Jul - 29 Jul	American Airlines
29 Jul - 04 Aug	Iberia	direct
29 Jul - 04 Aug	British Airways
21 Jul - 30 Jul	Iberia
20 Jul - 27 Jul	Air Canada
08 Jul - 23 Jul	SWISS
23 Jul - 30 Jul	Air Canada
24 Jul - 31 Jul	American Airlines
21 Jul - 30 Jul	Iberia	direct
22 Jul - 05 Aug	Aer Lingus	direct
25 Jul - 01 Aug	British Airways
08 Jul - 10 Aug	Iberia	direct
23 Jul - 02 Aug	Iberia	direct
25 Jul - 01 Aug	Aer Lingus	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 420€

Return flights