Cheapest return flights from Chicago to Bangkok in December from 622€

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

Return flights

02 Dec - 16 Dec ANA
02 Dec - 10 Dec Delta
10 Dec - 31 Jan ANA
28 Dec - 20 Jan Delta
27 Dec - 27 Jan ANA
04 Dec - 07 Jan Cathay Pacific
28 Dec - 25 Jan Delta
28 Dec - 11 Jan ANA
29 Dec - 12 Jan ANA
26 Dec - 14 Jan ANA
28 Dec - 14 Jan Delta
28 Dec - 12 Jan Delta
18 Dec - 29 Dec United

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

Skyscanner

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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