Cheapest return flights from Ontario to Oslo in October from $728

Best time to book flights for Ontario (ONT) to Oslo (OSL) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Oslo (OSL) in October 2025 (see full year).

Return flights

15 Oct - 22 Oct British Airways
18 Oct - 25 Oct British Airways
14 Oct - 21 Oct jetBlue
13 Oct - 20 Oct jetBlue
06 Oct - 13 Oct jetBlue
07 Oct - 14 Oct jetBlue
08 Oct - 15 Oct jetBlue
12 Oct - 19 Oct jetBlue
03 Oct - 10 Oct jetBlue
16 Oct - 23 Oct jetBlue

Also check the deals for one-way flights from Ontario to Oslo in October.

Skyscanner

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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