Cheapest return flights from Chicago to Barcelona in September from 444€

AirHint found the following cheapest return flights from Chicago (MDW) to Barcelona (BCN) in September 2025 (see full year).

Return flights

15 Sep - 25 Sep Air France
02 Sep - 17 Sep Virgin Atlantic
02 Sep - 16 Sep Delta
10 Sep - 17 Sep Delta
15 Sep - 22 Sep Delta
09 Sep - 15 Sep Delta
12 Sep - 25 Sep Delta
20 Sep - 27 Sep Delta
17 Sep - 21 Sep Porter Airlines (Canada) Ltd

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

Skyscanner

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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