AirHint found the following cheapest return flights from Chicago (ORD) to Ho Chi Minh City (SGN) in August 2025 (see full year).

Return flights

16 Aug - 02 Sep	Cathay Pacific
29 Aug - 07 Sep	Cathay Pacific
30 Aug - 07 Sep	Cathay Pacific
18 Aug - 25 Aug	Air India
29 Aug - 05 Sep	Cathay Pacific
19 Aug - 28 Aug	Alaska Airlines
12 Aug - 30 Aug	Cathay Pacific

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

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 Chicago to Ho Chi Minh City in August from $753

Return flights