AirHint found the following cheapest return flights from Ontario (ONT) to Ho Chi Minh City (SGN) in May 2026 (see full year).

Return flights

07 May - 14 May	China Airlines
15 May - 21 Jun	China Airlines
15 May - 23 Jun	China Airlines
05 May - 23 Jun	China Airlines
18 May - 25 Jun	Korean Air
16 May - 15 Jun	China Airlines
27 May - 17 Jun	Korean Air
31 May - 29 Jun	China Airlines
28 May - 30 Jun	China Airlines
22 May - 09 Jun	China Airlines
28 May - 18 Jun	China Airlines

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

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 May from $803

Return flights