AirHint found the following cheapest return flights from Porto (OPO) to Montreal (YUL) in April 2026 (see full year).
Return flights
| 17 Apr - 01 May | TAP | ||
| 12 Apr - 20 Apr | Austrian Airlines | ||
| 19 Apr - 26 Apr | Lufthansa | ||
| 10 Apr - 19 Apr | Lufthansa | ||
| 11 Apr - 19 Apr | TAP | ||
| 12 Apr - 19 Apr | TAP |
Also check the deals for one-way flights from Porto to Montreal in April.
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