Cheapest return flights from Chicago to Dublin in March from $411

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

Return flights

10 Mar - 17 Mar Icelandair
02 Mar - 10 Mar Icelandair
02 Mar - 08 Mar Scandinavian Airlines
30 Mar - 07 Apr Spirit Airlines
04 Mar - 08 Mar Scandinavian Airlines
04 Mar - 10 Mar TAP
01 Mar - 10 Mar TAP
03 Mar - 06 Mar Aer Lingus direct
25 Mar - 02 Apr Aer Lingus direct
04 Mar - 08 Mar Aer Lingus direct
04 Mar - 09 Mar Aer Lingus direct
02 Mar - 08 Mar Aer Lingus direct
30 Mar - 07 Apr Aer Lingus direct
25 Mar - 22 Apr Aer Lingus direct
29 Mar - 07 Apr Aer Lingus direct
25 Mar - 01 Apr Aer Lingus direct
30 Mar - 09 Apr Aer Lingus direct
01 Mar - 01 Apr Aer Lingus direct
31 Mar - 12 Apr Aer Lingus direct
29 Mar - 06 Apr Air Canada

Also check the deals for one-way 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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