Cheapest return flights from Ontario to Bangkok in December from $772

Best time to book flights for Ontario (ONT) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Bangkok (BKK) in December 2025 (see full year).

Return flights

02 Dec - 11 Dec Korean Air
04 Dec - 12 Dec Korean Air
05 Dec - 08 Dec Korean Air
03 Dec - 07 Jan Korean Air
04 Dec - 17 Dec China Airlines
25 Dec - 17 Jan China Airlines
27 Dec - 24 Jan China Airlines
25 Dec - 11 Jan China Airlines
22 Dec - 12 Jan Korean Air
18 Dec - 25 Dec Korean Air
14 Dec - 07 Jan Korean Air
14 Dec - 09 Jan Korean Air
12 Dec - 29 Dec Korean Air
25 Dec - 06 Jan China Airlines
12 Dec - 30 Dec Korean Air
17 Dec - 30 Dec China Airlines
14 Dec - 10 Jan Korean Air
18 Dec - 27 Dec Korean Air
09 Dec - 28 Dec China Airlines
26 Dec - 05 Jan China Airlines

Also check the deals for one-way flights from Ontario to Bangkok in December.

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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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