AirHint found the following cheapest return flights from Ontario (ONT) to Singapore (SIN) in January 2026 (see full year).

Return flights

15 Jan - 18 Jan	Korean Air
29 Jan - 03 Feb	Korean Air
13 Jan - 08 Feb	Korean Air
06 Jan - 20 Jan	Korean Air
22 Jan - 31 Jan	Korean Air
16 Jan - 19 Jan	Korean Air
20 Jan - 30 Jan	Korean Air
17 Jan - 15 Feb	Korean Air
16 Jan - 14 Feb	Korean Air
30 Jan - 10 Feb	Korean Air
20 Jan - 10 Feb	Korean Air
19 Jan - 15 Feb	Korean Air
12 Jan - 09 Feb	Korean Air
26 Jan - 24 Feb	Korean Air
19 Jan - 16 Feb	STARLUX Airlines
12 Jan - 26 Jan	STARLUX Airlines
01 Jan - 26 Jan	Korean Air
15 Jan - 22 Jan	China Airlines
16 Jan - 25 Jan	China Airlines

Also check the deals for one-way flights from Ontario to Singapore in January.

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 Singapore

Cheap car rent in Singapore

Cheapest return flights from Ontario to Singapore in January from $774

Return flights