Cheapest return flights from Ottawa to Toronto in May from $88

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

Return flights

16 May - 17 May WestJet direct
01 May - 01 May WestJet direct
05 May - 09 May WestJet direct
15 May - 17 May WestJet direct
14 May - 17 May WestJet direct
02 May - 11 May WestJet direct
29 May - 01 Jun WestJet direct
30 May - 06 Jun WestJet direct
14 May - 18 May WestJet direct
07 May - 08 May WestJet direct
07 May - 24 May Porter Airlines (Canada) Ltd direct
07 May - 20 May Porter Airlines (Canada) Ltd direct
29 May - 11 Jun Porter Airlines (Canada) Ltd direct
29 May - 03 Jun Porter Airlines (Canada) Ltd direct
29 May - 02 Jun Porter Airlines (Canada) Ltd direct
29 May - 04 Jun Porter Airlines (Canada) Ltd direct
29 May - 06 Jun Porter Airlines (Canada) Ltd direct
21 May - 03 Jun Porter Airlines (Canada) Ltd direct
21 May - 02 Jun Porter Airlines (Canada) Ltd direct
21 May - 04 Jun Porter Airlines (Canada) Ltd 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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