AirHint found the following cheapest return flights from Toronto (YYZ) to Kingston (KIN) in December 2025 (see full year).

Return flights

24 Dec - 31 Dec	WestJet	direct
12 Dec - 09 Jan	WestJet
16 Dec - 09 Jan	Flair Airlines
13 Dec - 10 Jan	Flair Airlines
26 Dec - 31 Dec	WestJet	direct
15 Dec - 26 Dec	WestJet	direct
23 Dec - 30 Dec	Flair Airlines	direct
19 Dec - 28 Dec	Porter Airlines (Canada) Ltd
12 Dec - 09 Jan	WestJet	direct
24 Dec - 17 Jan	WestJet
24 Dec - 18 Jan	WestJet
25 Dec - 18 Jan	Flair Airlines
24 Dec - 07 Jan	WestJet
26 Dec - 09 Jan	WestJet
26 Dec - 18 Jan	WestJet	direct

Also check the deals for one-way flights from Toronto to Kingston in December.

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 return flights from Toronto to Kingston in December from 540€

Return flights