AirHint found the following cheapest return flights from Newark (EWR) to Bangkok (BKK) in December 2026 (see full year).

Return flights

01 Dec - 09 Dec	Delta
05 Dec - 23 Dec	Air India
01 Dec - 15 Dec	Turkish Airlines
05 Dec - 24 Dec	Turkish Airlines
08 Dec - 22 Dec	Air India
07 Dec - 22 Dec	Air India
01 Dec - 29 Dec	Air India
07 Dec - 15 Dec	Air India
04 Dec - 19 Dec	Turkish Airlines
02 Dec - 15 Dec	United
29 Dec - 12 Jan	LOT
27 Dec - 10 Jan	LOT
15 Dec - 12 Jan	LOT
25 Dec - 12 Jan	Air India
27 Dec - 03 Jan	Air India
24 Dec - 04 Jan	Air India
14 Dec - 04 Jan	Air India
06 Dec - 03 Jan	Air India
25 Dec - 08 Jan	Air India
24 Dec - 03 Jan	Air India

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 794€

Return flights