Cheapest one-way flights from Chicago to Barcelona in October from 368€

Best time to book flights for Chicago (ORD) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from Chicago (ORD) to Barcelona (BCN) in October 2025 (see full year).

One-Way flights

14 Oct SWISS
09 Oct Icelandair
14 Oct United direct
02 Oct Turkish Airlines
02 Oct British Airways direct

Also check the deals for return flights from Chicago to Barcelona in October.

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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