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

Return flights

01 Mar - 10 Mar	Icelandair
04 Mar - 08 Mar	Icelandair
01 Mar - 08 Mar	Icelandair
08 Mar - 13 Mar	Icelandair
01 Mar - 13 Apr	Icelandair
11 Mar - 17 Mar	Icelandair
01 Mar - 31 Mar	TAP
11 Mar - 19 Mar	Air Canada
18 Mar - 26 Mar	Air Canada
24 Mar - 30 Mar	SWISS
04 Mar - 11 Mar	TAP
24 Mar - 09 Apr	Air Canada
22 Mar - 11 Apr	TAP
28 Mar - 13 Apr	Air Canada
26 Mar - 05 Apr	Scandinavian Airlines
28 Mar - 05 Apr	Air Canada
28 Mar - 12 Apr	Air Canada
26 Mar - 04 Apr	Scandinavian Airlines
27 Mar - 04 Apr	Air Canada
28 Mar - 01 Apr	Spirit Airlines

Also check the deals for one-way flights from Chicago to Barcelona in March.

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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Cheapest return flights from Chicago to Barcelona in March from $363

Return flights