Cheapest return flights from Chicago to Dublin in August from 401€

AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in August 2025 (see full year).

Return flights

13 Aug - 20 Aug Frontier Airlines
21 Aug - 30 Aug Spirit Airlines
13 Aug - 21 Aug Frontier Airlines
19 Aug - 21 Aug Icelandair
19 Aug - 24 Aug Frontier Airlines
18 Aug - 24 Aug Frontier Airlines
25 Aug - 03 Sep Frontier Airlines
21 Aug - 25 Aug Frontier Airlines
12 Aug - 21 Aug Icelandair
26 Aug - 02 Sep Icelandair
24 Aug - 02 Sep Air Canada
26 Aug - 02 Sep Aer Lingus direct
26 Aug - 03 Sep Aer Lingus direct
25 Aug - 03 Sep Aer Lingus direct
24 Aug - 02 Sep Aer Lingus direct
28 Aug - 06 Sep Frontier Airlines
27 Aug - 05 Sep Air Canada
14 Aug - 28 Aug Scandinavian Airlines
14 Aug - 22 Aug Scandinavian Airlines
27 Aug - 01 Sep Frontier Airlines

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

Skyscanner

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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