AirHint found the following cheapest return flights from Ottawa (YOW) to Lisbon (LIS) in January 2026 (see full year).
Return flights
| 15 Jan - 25 Jan | Air Canada | ||
| 19 Jan - 14 Feb | WestJet | ||
| 25 Jan - 01 Feb | Air Canada | ||
| 14 Jan - 25 Jan | Air Canada |
Also check the deals for one-way flights from Ottawa to Lisbon in January.
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