Cheapest return flights from Ontario to Oslo in April from $571

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 April 2025 (see full year).

Return flights

02 Apr - 09 Apr British Airways
16 Apr - 23 Apr British Airways
15 Apr - 24 Apr British Airways
15 Apr - 22 Apr British Airways
17 Apr - 01 May British Airways
14 Apr - 21 Apr British Airways
30 Apr - 07 May jetBlue
04 Apr - 11 Apr British Airways

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

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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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