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

Return flights

02 Dec - 09 Dec	Delta
08 Dec - 24 Dec	Turkish Airlines
01 Dec - 08 Dec	Turkish Airlines
08 Dec - 14 Dec	Turkish Airlines
03 Dec - 13 Dec	Turkish Airlines
03 Dec - 14 Dec	Turkish Airlines
03 Dec - 26 Dec	Turkish Airlines
05 Dec - 26 Dec	Turkish Airlines
05 Dec - 13 Dec	Turkish Airlines
06 Dec - 20 Dec	Turkish Airlines
28 Dec - 27 Jan	Delta
30 Dec - 13 Jan	Delta
03 Dec - 06 Jan	Japan Airlines
28 Dec - 07 Jan	Delta
28 Dec - 16 Jan	Delta
28 Dec - 15 Jan	Delta
08 Dec - 08 Jan	Air France
24 Dec - 01 Jan	Ethiopian Airlines
29 Dec - 06 Jan	Hawaiian Airlines
01 Dec - 06 Jan	Delta

Also check the deals for one-way flights from Newark to Bangkok in December.

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 December from 896€

Return flights