Cheapest return flights from Calgary to Lisbon in May from 522€

AirHint found the following cheapest return flights from Calgary (YYC) to Lisbon (LIS) in May 2026 (see full year).

Return flights

04 May - 12 May Air Canada
04 May - 18 May Air Transat
04 May - 13 May Air Transat
28 May - 04 Jun Air Transat
04 May - 11 May Air Canada
19 May - 26 May Air Canada
06 May - 11 May Air Canada
23 May - 03 Jun Air Transat

Also check the deals for one-way flights from Calgary to Lisbon in May.

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