Cheapest return flights from Ontario to Oslo in August from $716

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 August 2025 (see full year).

Return flights

06 Aug - 20 Aug British Airways
06 Aug - 13 Aug British Airways
06 Aug - 23 Aug British Airways
15 Aug - 12 Sep British Airways
01 Aug - 26 Aug British Airways
11 Aug - 23 Aug British Airways
09 Aug - 23 Aug British Airways
08 Aug - 22 Aug Finnair

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

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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