Cheapest return flights from Ottawa to Lisbon in May from 611€

Best time to book flights for Ottawa (YOW) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Ottawa (YOW) to Lisbon (LIS) in May 2025 (see full year).

Return flights

20 May - 30 May Air Transat
06 May - 20 May Air Transat
07 May - 21 May Air Canada

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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