Cheapest return MDW–DUB flights, May

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

Return flights

26 May - 16 Jun Porter Airlines (Canada) Ltd
29 May - 15 Jun Porter Airlines (Canada) Ltd
29 May - 17 Jun Porter Airlines (Canada) Ltd
29 May - 18 Jun Porter Airlines (Canada) Ltd
29 May - 13 Jun Porter Airlines (Canada) Ltd
29 May - 16 Jun Porter Airlines (Canada) Ltd
30 May - 11 Jun Porter Airlines (Canada) Ltd
29 May - 19 Jun Porter Airlines (Canada) Ltd
31 May - 16 Jun Porter Airlines (Canada) Ltd
26 May - 02 Jun Porter Airlines (Canada) Ltd
13 May - 20 May Porter Airlines (Canada) Ltd
27 May - 31 May Porter Airlines (Canada) Ltd
24 May - 31 May Porter Airlines (Canada) Ltd
05 May - 19 May Frontier Airlines
03 May - 13 May Frontier Airlines
19 May - 26 May Porter Airlines (Canada) Ltd
11 May - 20 May Porter Airlines (Canada) Ltd
05 May - 12 May Frontier Airlines
06 May - 12 May Frontier Airlines
13 May - 18 May Porter Airlines (Canada) Ltd

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

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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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