AirHint found the following cheapest return flights from Washington (DCA) to Ho Chi Minh City (SGN) in March 2026 (see full year).

Return flights

01 Mar - 10 Mar	Cathay Pacific
02 Mar - 07 Apr	Cathay Pacific
03 Mar - 24 Mar	Cathay Pacific
11 Mar - 01 Apr	Alaska Airlines
09 Mar - 23 Apr	Cathay Pacific
02 Mar - 01 Apr	Alaska Airlines
04 Mar - 01 Apr	Alaska Airlines
04 Mar - 08 Apr	Alaska Airlines
10 Mar - 31 Mar	Alaska Airlines
04 Mar - 25 Mar	jetBlue
02 Mar - 23 Mar	Hawaiian Airlines
19 Mar - 31 Mar	Cathay Pacific
21 Mar - 01 Apr	Alaska Airlines
02 Mar - 02 Apr	Alaska Airlines
03 Mar - 03 Apr	Cathay Pacific
04 Mar - 02 Apr	EVA Air
07 Mar - 28 Mar	Cathay Pacific
12 Mar - 21 Mar	Alaska Airlines

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

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 March from $968

Return flights