Cheapest one-way flights from Chicago to Dublin in May from $338

Best time to book flights for Chicago (MDW) to Dublin (DUB) flights at AirHint

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

One-Way flights

11 May Frontier Airlines
02 May Frontier Airlines
26 May Porter Airlines (Canada) Ltd
22 May Porter Airlines (Canada) Ltd
21 May Porter Airlines (Canada) Ltd
23 May Porter Airlines (Canada) Ltd
08 May Frontier Airlines
19 May Frontier Airlines
15 May Frontier Airlines
05 May Frontier Airlines

Also check the deals for return flights from Chicago to Dublin in May.

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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