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

Return flights

27 Jul - 03 Aug	KLM
28 Jul - 07 Aug	Delta
15 Jul - 22 Jul	Delta
30 Jul - 16 Aug	KLM
05 Jul - 12 Jul	Air France
01 Jul - 08 Jul	KLM
15 Jul - 21 Jul	Scandinavian Airlines
28 Jul - 04 Aug	KLM
24 Jul - 31 Jul	Delta
02 Jul - 07 Jul	KLM
02 Jul - 09 Jul	KLM
31 Jul - 05 Aug	Delta
23 Jul - 30 Jul	Delta
26 Jul - 02 Aug	Delta
21 Jul - 27 Jul	Delta
16 Jul - 22 Jul	Delta
25 Jul - 01 Aug	Delta
01 Jul - 01 Aug	WestJet
29 Jul - 02 Aug	Delta

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 $619

Return flights