Cheapest return flights from Chicago to Barcelona in September from 502€

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

Return flights

30 Sep - 07 Oct Turkish Airlines
10 Sep - 15 Sep Turkish Airlines
25 Sep - 01 Oct Turkish Airlines
04 Sep - 11 Sep Turkish Airlines
28 Sep - 05 Oct Turkish Airlines
01 Sep - 07 Sep Turkish Airlines
15 Sep - 22 Sep Turkish Airlines
10 Sep - 20 Sep Turkish Airlines
06 Sep - 13 Sep Turkish Airlines
15 Sep - 22 Sep United direct
18 Sep - 27 Sep Turkish Airlines
12 Sep - 19 Sep Turkish Airlines
09 Sep - 16 Sep TAP
30 Sep - 07 Oct Iberia direct
25 Sep - 01 Oct Finnair direct
29 Sep - 06 Oct Icelandair

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

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