Cheapest return flights from Ottawa to Oslo in September from 618€

AirHint found the following cheapest return flights from Ottawa (YOW) to Oslo (OSL) in September 2025 (see full year).

Return flights

07 Sep - 21 Sep Air France

Also check the deals for one-way flights from Ottawa to Oslo in September.

Skyscanner

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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