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

Return flights

18 Mar - 26 Mar	Delta
19 Mar - 26 Mar	Delta
18 Mar - 29 Mar	Delta
20 Mar - 29 Mar	Delta
21 Mar - 27 Mar	Delta
26 Mar - 04 Apr	Delta
14 Mar - 21 Mar	Virgin Atlantic
26 Mar - 06 Apr	Delta
14 Mar - 04 Apr	Air France

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 $638

Return flights