Cheapest return PIT–YOW flights, May

AirHint found the following cheapest return flights from Pittsburgh (PIT) to Ottawa (YOW) in May 2026 (see full year).

Return flights

26 May - 02 Jun United
23 May - 31 May United
20 May - 27 May United
04 May - 11 May United

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

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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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