Cheapest return ORD–BKK flights, December

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

Return flights

09 Dec - 15 Dec Turkish Airlines
01 Dec - 30 Dec Turkish Airlines
13 Dec - 25 Dec SWISS
20 Dec - 27 Dec TAP
19 Dec - 09 Jan Air Serbia
27 Dec - 02 Jan Cathay Pacific
18 Dec - 24 Jan Alaska Airlines
22 Dec - 03 Jan SWISS
18 Dec - 31 Dec Alaska Airlines
24 Dec - 02 Jan Etihad Airways

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

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