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 - 19 Mar	Qatar Airways
02 Mar - 01 Apr	Frontier Airlines
11 Mar - 01 Apr	Frontier Airlines
03 Mar - 24 Mar	United
09 Mar - 23 Apr	United
19 Mar - 31 Mar	Qatar Airways
01 Mar - 10 Mar	Qatar Airways
04 Mar - 01 Apr	Qatar Airways
18 Mar - 08 Apr	United
21 Mar - 01 Apr	Frontier Airlines
01 Mar - 06 Apr	Delta
04 Mar - 25 Mar	Qatar Airways
02 Mar - 03 Apr	Delta
10 Mar - 31 Mar	Frontier Airlines
02 Mar - 23 Mar	Frontier Airlines
01 Mar - 18 Apr	Delta
26 Mar - 02 Apr	United
14 Mar - 21 Mar	Frontier Airlines
06 Mar - 28 Mar	Etihad Airways

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 778€

Return flights