AirHint found the following cheapest one-way flights from Ontario (ONT) to Barcelona (BCN) in June 2026 (see full year).
One-Way flights
| 03 Jun | British Airways | ||
| 02 Jun | British Airways | ||
| 01 Jun | Iberia | ||
| 09 Jun | Iberia | ||
| 05 Jun | Iberia | ||
| 08 Jun | Iberia | ||
| 23 Jun | Iberia | ||
| 24 Jun | Iberia | ||
| 15 Jun | Iberia | ||
| 16 Jun | British Airways |
Also check the deals for return flights from Ontario to Barcelona in June.
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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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