AirHint found the following cheapest return flights from Ontario (ONT) to Zagreb (ZAG) in June 2026 (see full year).
Return flights
| 30 Jun - 11 Jul | Turkish Airlines | ||
| 16 Jun - 21 Jul | Turkish Airlines | ||
| 01 Jun - 15 Jun | British Airways | ||
| 24 Jun - 03 Jul | British Airways | ||
| 05 Jun - 15 Jun | British Airways |
Also check the deals for one-way flights from Ontario to Zagreb in June.
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