Cheapest return flights from Ontario to Bangkok in December from $960

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

04 Dec - 14 Dec Qatar Airways
03 Dec - 25 Dec Korean Air
03 Dec - 23 Dec Korean Air
03 Dec - 10 Dec Korean Air
03 Dec - 26 Dec Korean Air
03 Dec - 24 Dec Korean Air
08 Dec - 25 Dec China Airlines
03 Dec - 29 Dec China Airlines
01 Dec - 15 Dec China Airlines
04 Dec - 15 Jan China Airlines
29 Dec - 12 Jan China Airlines
30 Dec - 14 Jan China Airlines
26 Dec - 31 Dec China Airlines
28 Dec - 11 Jan China Airlines
19 Dec - 18 Jan Korean Air
11 Dec - 08 Jan China Airlines
17 Dec - 07 Jan China Airlines
20 Dec - 01 Jan Qatar Airways
15 Dec - 10 Jan China Airlines
17 Dec - 06 Jan China Airlines

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

Skyscanner

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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