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

Return flights

03 Mar - 17 Mar	Turkish Airlines
30 Mar - 27 Apr	Qatar Airways
10 Mar - 17 Mar	Qatar Airways
03 Mar - 09 Apr	Qatar Airways
01 Mar - 10 Mar	Qatar Airways
03 Mar - 10 Mar	Qatar Airways
08 Mar - 15 Mar	Qatar Airways
09 Mar - 23 Apr	STARLUX Airlines
21 Mar - 02 Apr	Alaska Airlines
01 Mar - 31 Mar	Alaska Airlines
03 Mar - 01 Apr	Korean Air
04 Mar - 01 Apr	Korean Air
02 Mar - 01 Apr	Korean Air
11 Mar - 01 Apr	Korean Air
04 Mar - 19 Mar	Alaska Airlines
19 Mar - 31 Mar	Alaska Airlines
07 Mar - 23 Apr	Qatar Airways
02 Mar - 23 Mar	Alaska Airlines
04 Mar - 25 Mar	Turkish Airlines
21 Mar - 01 Apr	Korean Air

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 $851

Return flights