AirHint found the following cheapest return flights from Calgary (YYC) to Lisbon (LIS) in April 2026 (see full year).
Return flights
| 15 Apr - 22 Apr | Air Canada | ||
| 05 Apr - 25 Apr | Air Canada | ||
| 10 Apr - 20 Apr | Air Canada | ||
| 11 Apr - 02 May | Air Canada | ||
| 15 Apr - 26 Apr | WestJet | ||
| 17 Apr - 26 Apr | Air Canada |
Also check the deals for one-way flights from Calgary to Lisbon in April.
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