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

Return flights

25 Mar - 22 Apr	United
11 Mar - 15 Apr	United
11 Mar - 14 Apr	United
17 Mar - 14 Apr	United
11 Mar - 26 Mar	United
03 Mar - 01 Apr	United
24 Mar - 30 Apr	United
13 Mar - 21 Mar	Spirit Airlines
05 Mar - 03 Apr	United
02 Mar - 16 Mar	Spirit Airlines
06 Mar - 28 Mar	Frontier Airlines
07 Mar - 14 Mar	Frontier Airlines
03 Mar - 29 Mar	Delta

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

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 March from 786€

Return flights