Cheapest return flights from Chicago to Barcelona in October from 374€

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

Return flights

06 Oct - 15 Oct British Airways
19 Oct - 29 Oct British Airways
19 Oct - 29 Oct United direct
15 Oct - 18 Oct British Airways
03 Oct - 09 Oct Aer Lingus
09 Oct - 17 Oct United
03 Oct - 09 Oct United direct

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

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