AirHint found the following cheapest return flights from Newark (EWR) to Bangkok (BKK) in August 2025 (see full year).

Return flights

27 Aug - 28 Sep	Air India
31 Aug - 15 Sep	Air India
26 Aug - 07 Sep	ANA
27 Aug - 03 Sep	ANA
28 Aug - 09 Sep	ANA
31 Aug - 19 Sep	Air India
28 Aug - 14 Sep	ANA
28 Aug - 04 Sep	ANA
25 Aug - 22 Sep	Air India
29 Aug - 08 Sep	ANA
24 Aug - 29 Aug	ANA
26 Aug - 28 Aug	ANA
24 Aug - 28 Aug	ANA
27 Aug - 30 Aug	Alaska Airlines
27 Aug - 31 Aug	EVA Air

Also check the deals for one-way flights from Newark to Bangkok 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 Newark to Bangkok in August from $753

Return flights