AirHint found the following cheapest return flights from Waterloo (YKF) to Barcelona (BCN) in June 2026 (see full year).
Return flights
| 06 Jun - 13 Jun | WestJet | ||
| 05 Jun - 21 Jun | WestJet | ||
| 30 Jun - 11 Jul | WestJet |
Also check the deals for one-way flights from Waterloo to Barcelona in June.
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