AirHint found the following cheapest one-way flights from Chicago (ORD) to Barcelona (BCN) in May 2026 (see full year).
One-Way flights
| 01 May | jetBlue | ||
| 07 May | WestJet | ||
| 19 May | Scandinavian Airlines | ||
| 09 May | United | direct | |
| 07 May | United | direct | |
| 01 May | United | direct | |
| 19 May | United | direct |
Also check the deals for return flights from Chicago to Barcelona in May.
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