AirHint found the following cheapest return flights from Waterloo (YKF) to Lisbon (LIS) in August 2026 (see full year).
Return flights
| 21 Aug - 30 Aug | WestJet | ||
| 12 Aug - 24 Aug | WestJet | ||
| 12 Aug - 23 Aug | WestJet | ||
| 19 Aug - 02 Sep | WestJet |
Also check the deals for one-way flights from Waterloo to Lisbon in August.
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