Cheapest return flights from Ontario to Oslo in December from 2510€

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

Return flights

27 Dec - 03 Jan British Airways
28 Dec - 04 Jan British Airways

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

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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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