Cheapest one-way flights from Ontario to Bangkok in October from $434

AirHint found the following cheapest one-way flights from Ontario (ONT) to Bangkok (BKK) in October 2025 (see full year).

One-Way flights

15 Oct Korean Air
30 Oct Korean Air
29 Oct Korean Air
21 Oct Korean Air
18 Oct STARLUX Airlines
17 Oct STARLUX Airlines
01 Oct STARLUX Airlines
25 Oct STARLUX Airlines
31 Oct STARLUX Airlines
02 Oct China Airlines

Also check the deals for return flights from Ontario to Bangkok in October.

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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