AirHint found the following cheapest return flights from Atlanta (ATL) to Ho Chi Minh City (SGN) in September 2025 (see full year).

Return flights

23 Sep - 18 Oct	WestJet
22 Sep - 07 Oct	WestJet
20 Sep - 04 Oct	WestJet
20 Sep - 18 Oct	WestJet
14 Sep - 22 Sep	WestJet
18 Sep - 22 Sep	WestJet
30 Sep - 05 Oct	WestJet
15 Sep - 30 Sep	Spirit Airlines
29 Sep - 27 Oct	Spirit Airlines
26 Sep - 27 Oct	WestJet
28 Sep - 08 Oct	Spirit Airlines
10 Sep - 17 Sep	Frontier Airlines
14 Sep - 05 Oct	Spirit Airlines
08 Sep - 01 Oct	Spirit Airlines
09 Sep - 16 Sep	Frontier Airlines
11 Sep - 18 Sep	Frontier Airlines
12 Sep - 19 Sep	Spirit Airlines

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

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 Atlanta to Ho Chi Minh City in September from $689

Return flights