Cheapest return BOS–SGN flights, September

AirHint found the following cheapest return flights from Boston (BOS) to Ho Chi Minh City (SGN) in September 2026 (see full year).

Return flights

07 Sep - 04 Oct Cathay Pacific
02 Sep - 30 Sep Cathay Pacific
06 Sep - 28 Sep Cathay Pacific
05 Sep - 12 Sep Cathay Pacific
05 Sep - 18 Sep Cathay Pacific
04 Sep - 18 Sep United
28 Sep - 05 Oct jetBlue

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

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