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

Return flights

03 Mar - 10 Mar	Delta
04 Mar - 11 Mar	Delta
10 Mar - 17 Mar	Delta
17 Mar - 24 Mar	Delta
05 Mar - 12 Mar	Delta
11 Mar - 18 Mar	Delta
24 Mar - 31 Mar	Delta
09 Mar - 16 Mar	Delta
16 Mar - 23 Mar	Delta
25 Mar - 01 Apr	Delta
31 Mar - 07 Apr	Air France
18 Mar - 25 Mar	Delta
30 Mar - 06 Apr	Air France
28 Mar - 04 Apr	Air France
29 Mar - 05 Apr	KLM
26 Mar - 02 Apr	Delta
28 Mar - 01 Apr	Delta
27 Mar - 03 Apr	Delta
26 Mar - 04 Apr	Delta

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Chicago to Barcelona in March from 435€

Return flights