Cheapest one-way flights from Chicago to Dublin in August from $283

AirHint found the following cheapest one-way flights from Chicago (MDW) to Dublin (DUB) in August 2025 (see full year).

One-Way flights

02 Aug Frontier Airlines
03 Aug Frontier Airlines
08 Aug Frontier Airlines
06 Aug Porter Airlines (Canada) Ltd
14 Aug Porter Airlines (Canada) Ltd
26 Aug Porter Airlines (Canada) Ltd
16 Aug Frontier Airlines
05 Aug Porter Airlines (Canada) Ltd
25 Aug Porter Airlines (Canada) Ltd
27 Aug Delta

Also check the deals for return 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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