Cheapest return flights from Chicago to Barcelona in September from $471

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

Return flights

20 Sep - 30 Sep Air Canada
05 Sep - 17 Sep Scandinavian Airlines
05 Sep - 15 Sep Scandinavian Airlines
20 Sep - 30 Sep United direct
06 Sep - 17 Sep Air Canada
16 Sep - 22 Sep Air Canada
01 Sep - 08 Sep British Airways
02 Sep - 09 Sep Air Canada
18 Sep - 25 Sep Iberia
18 Sep - 25 Sep Iberia direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.