AirHint found the following cheapest return flights from Ottawa (YOW) to Lisbon (LIS) in March 2026 (see full year).
Return flights
| 01 Mar - 09 Mar | Air Canada | ||
| 04 Mar - 09 Mar | Air Canada | ||
| 18 Mar - 11 Apr | Porter Airlines (Canada) Ltd | ||
| 10 Mar - 24 Mar | Air France | ||
| 11 Mar - 18 Mar | Air Transat |
Also check the deals for one-way flights from Ottawa to Lisbon in March.
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