Cheapest return flights from Ontario to Oslo in May from 637€

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

Return flights

03 May - 10 May British Airways
10 May - 17 May British Airways
09 May - 16 May British Airways
02 May - 09 May British Airways
16 May - 23 May British Airways
17 May - 24 May British Airways
18 May - 01 Jun Turkish Airlines
21 May - 04 Jun Turkish Airlines

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

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