Cheapest one-way flights from Chicago to Barcelona in September from 286€

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

One-Way flights

02 Sep Finnair
04 Sep Lufthansa
15 Sep SWISS
16 Sep Lufthansa
29 Sep Air Canada
29 Sep Lufthansa direct
15 Sep British Airways direct
16 Sep British Airways direct
02 Sep Finnair direct
04 Sep Finnair direct

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

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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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