Cheapest return flights from Chicago to Bangkok in December from $936

Best time to book flights for Chicago (ORD) to Bangkok (BKK) flights at AirHint

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

Return flights

31 Dec - 20 Jan Korean Air
31 Dec - 21 Jan Korean Air
30 Dec - 19 Jan Korean Air
29 Dec - 19 Jan Korean Air
30 Dec - 20 Jan Korean Air
28 Dec - 19 Jan Korean Air
31 Dec - 15 Jan Korean Air
29 Dec - 18 Jan ANA
28 Dec - 18 Jan ANA
27 Dec - 19 Jan Korean Air
08 Dec - 22 Dec Korean Air
07 Dec - 20 Dec Etihad Airways
09 Dec - 23 Dec Thai Airways
15 Dec - 28 Dec Thai Airways

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

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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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