AirHint found the following cheapest return flights from Ontario (ONT) to Oslo (OSL) in July 2026 (see full year).
Return flights
| 28 Jul - 04 Aug | British Airways | ||
| 21 Jul - 28 Jul | British Airways | ||
| 14 Jul - 21 Jul | British Airways | ||
| 04 Jul - 11 Jul | British Airways | ||
| 11 Jul - 18 Jul | British Airways | ||
| 07 Jul - 11 Jul | British Airways |
Also check the deals for one-way flights from Ontario to Oslo in July.
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