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

Return flights

07 Oct - 21 Oct	Turkish Airlines
27 Oct - 11 Nov	Turkish Airlines
27 Oct - 19 Nov	Turkish Airlines
27 Oct - 09 Nov	Turkish Airlines
21 Oct - 18 Nov	Turkish Airlines
21 Oct - 28 Oct	Turkish Airlines
30 Oct - 17 Nov	United
28 Oct - 24 Nov	United
07 Oct - 22 Oct	Delta
15 Oct - 10 Nov	Delta
20 Oct - 10 Nov	Delta
05 Oct - 28 Oct	Frontier Airlines
12 Oct - 02 Nov	Turkish Airlines
12 Oct - 08 Nov	Alaska Airlines
07 Oct - 16 Oct	Turkish Airlines
20 Oct - 31 Oct	Frontier Airlines
01 Oct - 15 Oct	Etihad Airways
07 Oct - 27 Oct	Etihad Airways
01 Oct - 31 Oct	Emirates

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 680€

Return flights