Cheapest one-way flights from Chicago to Dublin in March from $253

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

One-Way flights

11 Mar Icelandair
01 Mar Spirit Airlines
15 Mar Icelandair
01 Mar Aer Lingus direct
30 Mar jetBlue
20 Mar Scandinavian Airlines
11 Mar Austrian Airlines direct
15 Mar Austrian Airlines direct
30 Mar Aer Lingus direct
20 Mar Aer Lingus direct

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

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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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