AirHint found the following cheapest one-way flights from Ontario (ONT) to Barcelona (BCN) in July 2026 (see full year).
One-Way flights
| 30 Jul | Turkish Airlines | ||
| 18 Jul | Iberia | ||
| 23 Jul | Iberia | ||
| 01 Jul | Iberia | ||
| 02 Jul | Iberia |
Also check the deals for return flights from Ontario to Barcelona in July.
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