AirHint found the following cheapest return flights from Boston (BOS) to Ho Chi Minh City (SGN) in July 2025 (see full year).

Return flights

29 Jul - 19 Aug	Delta
28 Jul - 19 Aug	Delta
31 Jul - 13 Aug	Delta
29 Jul - 31 Aug	ANA
28 Jul - 31 Aug	Etihad Airways
08 Jul - 15 Jul	Cathay Pacific
08 Jul - 26 Jul	Turkish Airlines
21 Jul - 16 Aug	Korean Air
08 Jul - 19 Aug	Turkish Airlines
05 Jul - 13 Aug	Cathay Pacific
05 Jul - 25 Aug	Cathay Pacific
07 Jul - 26 Jul	Korean Air
07 Jul - 14 Jul	Emirates
09 Jul - 30 Jul	Emirates
24 Jul - 06 Aug	Cathay Pacific

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

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 Boston to Ho Chi Minh City in July from 861€

Return flights