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

Return flights

15 Sep - 24 Sep	United
08 Sep - 15 Sep	ANA
01 Sep - 08 Sep	Japan Airlines
02 Sep - 23 Sep	Emirates
15 Sep - 17 Oct	Emirates
08 Sep - 03 Oct	Emirates
29 Sep - 31 Oct	Emirates
04 Sep - 18 Sep	Emirates
04 Sep - 11 Sep	Emirates
02 Sep - 24 Sep	Emirates
22 Sep - 24 Oct	Emirates
02 Sep - 30 Sep	Emirates
03 Sep - 07 Oct	Emirates
06 Sep - 14 Oct	Emirates
28 Sep - 26 Oct	Emirates
15 Sep - 27 Sep	Emirates
25 Sep - 16 Oct	Emirates

Also check the deals for one-way flights from Washington 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 Washington to Ho Chi Minh City in September from 830€

Return flights