Cheapest one-way flights from Chicago to Dublin in May from $268

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

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

One-Way flights

28 May Air Canada
04 May Spirit Airlines
05 May Spirit Airlines
11 May jetBlue
17 May Spirit Airlines
29 May jetBlue
02 May Spirit Airlines
16 May Spirit Airlines
21 May Spirit Airlines
23 May Spirit 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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