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

Return flights

09 Mar - 23 Apr	Alaska Airlines
03 Mar - 24 Mar	Qatar Airways
10 Mar - 31 Mar	Qatar Airways
13 Mar - 17 Apr	Air China
04 Mar - 02 Apr	Qatar Airways
04 Mar - 01 Apr	Qatar Airways
02 Mar - 23 Mar	Qatar Airways
11 Mar - 01 Apr	Qatar Airways
05 Mar - 26 Mar	Qatar Airways
10 Mar - 30 Mar	Alaska Airlines
31 Mar - 15 Apr	Korean Air
03 Mar - 08 Mar	Qatar Airways
04 Mar - 25 Mar	Delta
01 Mar - 16 Mar	Delta
19 Mar - 03 Apr	United
27 Mar - 26 Apr	Delta
27 Mar - 05 Apr	Delta
13 Mar - 12 Apr	United

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 $867

Return flights