AirHint found the following cheapest one-way flights from Toronto (YYZ) to Kingston (KIN) in August 2025 (see full year).

One-Way flights

31 Aug	Flair Airlines
30 Aug	WestJet
23 Aug	Porter Airlines (Canada) Ltd
29 Aug	WestJet
27 Aug	Porter Airlines (Canada) Ltd
24 Aug	Porter Airlines (Canada) Ltd
26 Aug	Flair Airlines
20 Aug	Caribbean Airlines	direct
22 Aug	Porter Airlines (Canada) Ltd
30 Aug	Flair Airlines	direct

Also check the deals for return flights from Toronto to Kingston in August.

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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Cheapest one-way flights from Toronto to Kingston in August from 191€

One-Way flights