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

Return flights

06 May - 13 May	Korean Air
04 May - 14 May	Korean Air
07 May - 14 May	Korean Air
14 May - 20 May	Korean Air
14 May - 10 Jun	Korean Air
06 May - 20 May	Korean Air
05 May - 16 Jun	Korean Air
01 May - 10 Jun	Korean Air
03 May - 10 May	Korean Air
02 May - 10 Jun	Delta
01 May - 31 May	Korean Air
04 May - 30 May	Korean Air
15 May - 11 Jun	Korean Air
12 May - 26 May	China Airlines
02 May - 29 May	China Airlines
18 May - 22 Jun	China Airlines
15 May - 12 Jun	Korean Air
20 May - 03 Jun	China Airlines
19 May - 29 Jun	China Airlines
20 May - 04 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.

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Cheapest return flights from Ontario to Ho Chi Minh City in May from $625

Return flights