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Cheapest one-way flights from Chicago (MDW) to Dublin (DUB), September

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Dates, airline, and price
Dates	Airline	Price
26 Sep	Porter Airlines (Canada) Ltd
16 Sep	Porter Airlines (Canada) Ltd
21 Sep	Porter Airlines (Canada) Ltd
15 Sep	Porter Airlines (Canada) Ltd
14 Sep	Porter Airlines (Canada) Ltd
06 Sep	KLM
05 Sep	Porter Airlines (Canada) Ltd
04 Sep	Frontier Airlines

deals for return flights from Chicago to Dublin in September.

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Updated Jul 18, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Chicago (MDW) to Dublin (DUB), September

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