Cheapest one-way flights from Chicago to Dublin in May from $439

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

13 May Air France
28 May Porter Airlines (Canada) Ltd
23 May Porter Airlines (Canada) Ltd
24 May Porter Airlines (Canada) Ltd
21 May Porter Airlines (Canada) Ltd
19 May Frontier Airlines
15 May Frontier Airlines
14 May Air France

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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