Cheapest one-way flights from Chicago to Dublin in March from $248

AirHint found the following cheapest one-way flights from Chicago (MDW) to Dublin (DUB) in March 2026 (see full year).

One-Way flights

01 Mar Frontier Airlines
17 Mar Frontier Airlines
02 Mar Frontier Airlines
15 Mar Frontier Airlines
23 Mar Air France
16 Mar Delta
10 Mar Delta
11 Mar Delta
12 Mar Delta
14 Mar Delta

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

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