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

Return flights

20 Aug - 27 Aug	Delta
25 Aug - 10 Sep	Delta
28 Aug - 02 Sep	ANA
28 Aug - 06 Sep	ANA
21 Aug - 28 Aug	Delta
19 Aug - 26 Aug	Delta
25 Aug - 01 Sep	ANA
23 Aug - 30 Aug	Delta
30 Aug - 05 Sep	ANA
12 Aug - 25 Aug	Air India
28 Aug - 04 Sep	Air India
23 Aug - 26 Aug	Spirit Airlines
13 Aug - 21 Aug	Korean Air
28 Aug - 03 Sep	Air India
12 Aug - 16 Aug	Air India
15 Aug - 22 Aug	Korean Air
11 Aug - 14 Aug	Delta

Also check the deals for one-way flights from Newark to Phuket 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 Phuket in August from $853

Return flights