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

Return flights

27 Oct - 09 Nov	Turkish Airlines
20 Oct - 18 Nov	Turkish Airlines
21 Oct - 25 Nov	Turkish Airlines
21 Oct - 18 Nov	Turkish Airlines
21 Oct - 28 Oct	Turkish Airlines
19 Oct - 19 Nov	Turkish Airlines
20 Oct - 03 Nov	Turkish Airlines
14 Oct - 28 Oct	Turkish Airlines
08 Oct - 05 Nov	Turkish Airlines
20 Oct - 10 Nov	Alaska Airlines
31 Oct - 03 Nov	Turkish Airlines
12 Oct - 08 Nov	Alaska Airlines
07 Oct - 16 Oct	Turkish Airlines
20 Oct - 31 Oct	Turkish Airlines
16 Oct - 20 Oct	Delta
06 Oct - 31 Oct	Korean Air
14 Oct - 18 Oct	Alaska Airlines
02 Oct - 08 Oct	Alaska Airlines
01 Oct - 15 Oct	Etihad Airways
02 Oct - 07 Oct	EVA Air

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

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 October from $812

Return flights