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

Return flights

21 Aug - 02 Sep	Delta
17 Aug - 24 Aug	Delta
06 Aug - 18 Aug	Delta
06 Aug - 25 Aug	Delta
05 Aug - 18 Aug	Delta
07 Aug - 18 Aug	Delta
07 Aug - 25 Aug	Delta
05 Aug - 25 Aug	Delta
05 Aug - 24 Aug	Delta
07 Aug - 02 Sep	Delta
07 Aug - 03 Sep	Delta
03 Aug - 18 Aug	Delta
06 Aug - 23 Aug	Delta
19 Aug - 02 Sep	Korean Air
08 Aug - 03 Sep	Delta

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

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 August from 767€

Return flights