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

Return flights

13 May - 10 Jun	Spirit Airlines
02 May - 30 May	Alaska Airlines
10 May - 23 May	Alaska Airlines
10 May - 23 Jun	Alaska Airlines
13 May - 23 Jun	Spirit Airlines
25 May - 29 Jun	WestJet
18 May - 29 May	WestJet
25 May - 08 Jun	WestJet
28 May - 30 Jun	WestJet
15 May - 01 Jun	Alaska Airlines
26 May - 30 Jun	WestJet
28 May - 18 Jun	WestJet
15 May - 23 Jun	EVA Air

Also check the deals for one-way flights from Houston 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 Houston to Ho Chi Minh City in May from $822

Return flights