Cheapest return flights from Chicago to Barcelona in September from 349€

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

Return flights

21 Sep - 30 Sep TAP
04 Sep - 14 Sep TAP
15 Sep - 25 Sep TAP
11 Sep - 18 Sep TAP
08 Sep - 21 Sep TAP
01 Sep - 12 Sep TAP
08 Sep - 17 Sep TAP
23 Sep - 03 Oct Iberia
23 Sep - 30 Sep United direct
23 Sep - 03 Oct Finnair direct
17 Sep - 24 Sep British Airways
17 Sep - 02 Oct British Airways
11 Sep - 20 Sep Icelandair
18 Sep - 02 Oct TAP
10 Sep - 01 Oct British Airways direct
03 Sep - 01 Oct Air Canada
09 Sep - 02 Oct British Airways direct
27 Sep - 04 Oct TAP
16 Sep - 12 Oct Aer Lingus
24 Sep - 05 Oct Delta

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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