Cheapest return flights from Ontario to Oslo in April from 508€

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

Return flights

08 Apr - 15 Apr British Airways
15 Apr - 22 Apr British Airways
01 Apr - 08 Apr British Airways
10 Apr - 17 Apr British Airways
12 Apr - 19 Apr British Airways
13 Apr - 20 Apr British Airways
17 Apr - 24 Apr British Airways
03 Apr - 10 Apr British Airways
29 Apr - 06 May British Airways
05 Apr - 12 Apr British Airways
06 Apr - 13 Apr British Airways
26 Apr - 03 May British Airways
27 Apr - 04 May British Airways
24 Apr - 08 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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