AirHint found the following cheapest return flights from Ontario (ONT) to Oslo (OSL) in July 2026 (see full year).
Return flights
| 25 Jul - 01 Aug | British Airways | ||
| 18 Jul - 25 Jul | British Airways | ||
| 11 Jul - 06 Aug | British Airways | ||
| 11 Jul - 18 Jul | British Airways | ||
| 20 Jul - 03 Aug | Turkish Airlines |
Also check the deals for one-way flights from Ontario to Oslo in July.
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