Cheapest return flights from Toronto to Oslo in May from 674€

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

Return flights

23 May - 30 May Porter Airlines (Canada) Ltd
14 May - 18 May Porter Airlines (Canada) Ltd
26 May - 16 Jun Porter Airlines (Canada) Ltd
21 May - 26 May SWISS
15 May - 30 May SWISS
25 May - 15 Jun Air Transat
25 May - 16 Jun Porter Airlines (Canada) Ltd

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

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