AirHint found the following cheapest return flights from Houston (IAH) to Ho Chi Minh City (SGN) in July 2025 (see full year).

Return flights

10 Jul - 20 Aug	ANA
05 Jul - 25 Jul	Spirit Airlines
15 Jul - 13 Aug	Spirit Airlines
02 Jul - 16 Jul	Spirit Airlines
05 Jul - 08 Jul	Zipair
28 Jul - 11 Aug	Spirit Airlines
21 Jul - 11 Aug	Spirit Airlines
11 Jul - 20 Jul	Spirit Airlines
19 Jul - 25 Jul	Spirit Airlines
15 Jul - 14 Aug	United
13 Jul - 13 Aug	Spirit Airlines
10 Jul - 15 Aug	Frontier Airlines
05 Jul - 14 Jul	Spirit Airlines
13 Jul - 27 Jul	Spirit Airlines
04 Jul - 06 Jul	Turkish Airlines
16 Jul - 06 Aug	Frontier Airlines
03 Jul - 19 Jul	ANA
15 Jul - 05 Aug	Spirit Airlines
20 Jul - 03 Aug	Spirit Airlines
01 Jul - 31 Jul	ANA

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

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 July from $942

Return flights