AirHint found the following cheapest return flights from Ontario (ONT) to Ho Chi Minh City (SGN) in December 2025 (see full year).

Return flights

01 Dec - 31 Dec	STARLUX Airlines
02 Dec - 28 Dec	China Airlines
04 Dec - 26 Dec	China Airlines
08 Dec - 29 Dec	China Airlines
28 Dec - 18 Jan	China Airlines
28 Dec - 16 Jan	China Airlines
19 Dec - 26 Dec	STARLUX Airlines
13 Dec - 26 Dec	STARLUX Airlines
21 Dec - 28 Dec	China Airlines
16 Dec - 13 Jan	China Airlines
21 Dec - 27 Dec	China Airlines
17 Dec - 30 Dec	STARLUX Airlines
22 Dec - 12 Jan	China Airlines
20 Dec - 20 Jan	STARLUX Airlines
25 Dec - 06 Jan	China Airlines
25 Dec - 09 Jan	China Airlines
23 Dec - 10 Jan	Korean Air
22 Dec - 11 Jan	China Airlines
22 Dec - 08 Jan	China Airlines
18 Dec - 31 Dec	China Airlines

Also check the deals for one-way flights from Ontario to Ho Chi Minh City in December.

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 Ho Chi Minh City

Cheap car rent in Ho Chi Minh City

Cheapest return flights from Ontario to Ho Chi Minh City in December from $1036

Return flights