Cheapest return flights from Ontario to Oslo in October from $662

AirHint found the following cheapest return flights from Ontario (ONT) to Oslo (OSL) in October 2026 (see full year).

Return flights

28 Oct - 04 Nov British Airways
13 Oct - 20 Oct British Airways
14 Oct - 21 Oct British Airways
27 Oct - 03 Nov British Airways
25 Oct - 01 Nov British Airways
29 Oct - 05 Nov British Airways
17 Oct - 24 Oct British Airways
02 Oct - 09 Oct British Airways
01 Oct - 16 Oct British Airways
20 Oct - 07 Nov British Airways
30 Oct - 06 Nov British Airways
01 Oct - 08 Oct British Airways
22 Oct - 29 Oct British Airways
09 Oct - 16 Oct British Airways
06 Oct - 13 Oct British Airways
10 Oct - 17 Oct British Airways

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

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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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