Cheapest return flights from Ontario to Bangkok in December from $1055

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 - 16 Dec China Airlines
08 Dec - 17 Dec China Airlines
02 Dec - 15 Dec China Airlines
01 Dec - 08 Dec China Airlines
08 Dec - 29 Dec China Airlines
01 Dec - 14 Dec China Airlines
28 Dec - 13 Jan Korean Air
03 Dec - 26 Dec China Airlines
25 Dec - 15 Jan China Airlines
11 Dec - 24 Dec Korean Air
11 Dec - 25 Dec Korean Air
11 Dec - 23 Dec Korean Air
07 Dec - 06 Jan Korean Air
30 Dec - 06 Jan China Airlines
05 Dec - 07 Jan China Airlines
18 Dec - 19 Jan China Airlines
29 Dec - 09 Jan China Airlines
24 Dec - 14 Jan China Airlines
26 Dec - 10 Jan China Airlines
21 Dec - 03 Jan Korean Air

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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