AirHint found the following cheapest return flights from Ontario (ONT) to Prague (PRG) in June 2026 (see full year).
Return flights
| 10 Jun - 12 Jun | Delta | ||
| 24 Jun - 13 Jul | Turkish Airlines | ||
| 04 Jun - 09 Jun | Turkish Airlines | ||
| 22 Jun - 12 Jul | Turkish Airlines | ||
| 20 Jun - 12 Jul | Turkish Airlines | ||
| 17 Jun - 12 Jul | Turkish Airlines |
Also check the deals for one-way flights from Ontario to Prague in June.
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