Cheapest return flights from Ontario to Bangkok in October from $773

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

Return flights

07 Oct - 20 Oct Korean Air
07 Oct - 04 Nov Korean Air
23 Oct - 30 Oct Korean Air
28 Oct - 06 Nov Korean Air
07 Oct - 14 Oct Korean Air
22 Oct - 29 Oct Korean Air
28 Oct - 12 Nov Korean Air
22 Oct - 12 Nov Korean Air
06 Oct - 17 Oct STARLUX Airlines
13 Oct - 28 Oct STARLUX Airlines
01 Oct - 22 Oct STARLUX Airlines
17 Oct - 31 Oct STARLUX Airlines
01 Oct - 10 Oct STARLUX Airlines
01 Oct - 14 Oct STARLUX Airlines
29 Oct - 05 Nov STARLUX Airlines
25 Oct - 05 Nov STARLUX Airlines
29 Oct - 22 Nov STARLUX Airlines
31 Oct - 08 Nov STARLUX Airlines
01 Oct - 11 Nov STARLUX Airlines
15 Oct - 19 Nov STARLUX Airlines

Also check the deals for one-way 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.