Cheapest return YOW–YTZ flights, May

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

Return flights

28 May - 31 May Air Canada direct
27 May - 27 May Air Canada direct
28 May - 28 May Air Canada direct
29 May - 31 May Air Canada direct
28 May - 01 Jun Air Canada direct
30 May - 14 Jun Porter Airlines (Canada) Ltd direct
30 May - 12 Jun Porter Airlines (Canada) Ltd direct
30 May - 06 Jun Porter Airlines (Canada) Ltd direct
30 May - 13 Jun Porter Airlines (Canada) Ltd direct
30 May - 10 Jun Porter Airlines (Canada) Ltd direct
30 May - 11 Jun Porter Airlines (Canada) Ltd direct
30 May - 17 Jun Porter Airlines (Canada) Ltd direct
30 May - 20 Jun Porter Airlines (Canada) Ltd direct
30 May - 08 Jun Porter Airlines (Canada) Ltd direct
27 May - 31 May Porter Airlines (Canada) Ltd direct
21 May - 23 May Air Canada direct
23 May - 25 May Air Canada direct
23 May - 24 May Air Canada direct
21 May - 24 May Air Canada direct
20 May - 22 May Air Canada direct

Also check the deals for one-way flights from Ottawa to Toronto 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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