Cheapest return flights from Ontario to Oslo in April from 522€

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

Return flights

19 Apr - 26 Apr British Airways
07 Apr - 14 Apr British Airways
10 Apr - 17 Apr British Airways
26 Apr - 03 May British Airways
24 Apr - 01 May British Airways
11 Apr - 18 Apr British Airways
11 Apr - 17 Apr British Airways
28 Apr - 04 May 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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