Cheapest return flights from Ontario to Oslo in March 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 March 2025 (see full year).

Return flights

31 Mar - 08 Apr British Airways
19 Mar - 27 Mar Iberia
05 Mar - 24 Mar British Airways
16 Mar - 30 Mar British Airways
03 Mar - 17 Mar British Airways
22 Mar - 29 Mar British Airways
30 Mar - 05 Apr Iberia
23 Mar - 29 Mar British Airways
01 Mar - 08 Mar British Airways
16 Mar - 23 Mar British Airways
09 Mar - 16 Mar British Airways
02 Mar - 09 Mar British Airways

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

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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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