AirHint found the following cheapest one-way flights from Ontario (ONT) to Barcelona (BCN) in August 2026 (see full year).
One-Way flights
| 16 Aug | Iberia | ||
| 31 Aug | Turkish Airlines | ||
| 18 Aug | Iberia | ||
| 01 Aug | British Airways | ||
| 15 Aug | Iberia | ||
| 25 Aug | Iberia | ||
| 26 Aug | Iberia | ||
| 27 Aug | British Airways |
Also check the deals for return flights from Ontario to Barcelona in August.
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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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