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

Return flights

19 Apr - 30 Apr	Delta
28 Apr - 05 May	KLM
27 Apr - 04 May	Delta
16 Apr - 20 Apr	Virgin Atlantic
15 Apr - 24 Apr	Delta
17 Apr - 24 Apr	Delta
08 Apr - 15 Apr	Air France
22 Apr - 29 Apr	Delta
01 Apr - 08 Apr	Delta
18 Apr - 28 Apr	Delta
29 Apr - 08 May	Delta
03 Apr - 14 Apr	Delta
24 Apr - 29 Apr	Delta
26 Apr - 02 May	Air France
24 Apr - 04 May	Delta
24 Apr - 01 May	Delta
24 Apr - 03 May	Delta
22 Apr - 01 May	Air France
23 Apr - 03 May	Virgin Atlantic
23 Apr - 04 May	Virgin Atlantic

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

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 April from $451

Return flights