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

Return flights

26 Jul - 12 Aug	Delta
29 Jul - 06 Aug	Air Canada
28 Jul - 05 Aug	Air Canada
29 Jul - 06 Aug	Aer Lingus	direct
30 Jul - 07 Aug	Air Canada
22 Jul - 05 Aug	Air Canada
14 Jul - 06 Aug	Delta
16 Jul - 23 Jul	Aer Lingus	direct
07 Jul - 28 Jul	Air Canada
15 Jul - 07 Aug	TAP
14 Jul - 05 Aug	Air Canada
30 Jul - 07 Aug	Aer Lingus	direct
01 Jul - 14 Jul	Icelandair
22 Jul - 27 Jul	Aer Lingus	direct
24 Jul - 31 Jul	TAP
10 Jul - 17 Jul	TAP
04 Jul - 19 Jul	TAP
02 Jul - 12 Jul	TAP
13 Jul - 24 Jul	Aer Lingus
07 Jul - 28 Jul	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 473€

Return flights