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

Return flights

28 Jul - 25 Aug	Finnair	direct
14 Jul - 21 Jul	Iberia	direct
08 Jul - 22 Jul	Iberia
15 Jul - 21 Jul	TAP
13 Jul - 20 Jul	SWISS
08 Jul - 22 Jul	Iberia	direct
15 Jul - 08 Aug	Air Canada
13 Jul - 20 Jul	Finnair	direct
09 Jul - 16 Jul	TAP
17 Jul - 08 Aug	TAP
11 Jul - 18 Jul	TAP
12 Jul - 19 Jul	SWISS
09 Jul - 15 Jul	TAP
17 Jul - 02 Aug	Delta
15 Jul - 08 Aug	Finnair	direct
17 Jul - 02 Aug	American Airlines	direct
17 Jul - 08 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 $472

Return flights