AirHint found the following cheapest one-way flights from Chicago (ORD) to Bangkok (BKK) in January 2026 (see full year).
One-Way flights
| 29 Jan | Frontier Airlines | ||
| 23 Jan | Frontier Airlines | ||
| 25 Jan | Frontier Airlines | ||
| 31 Jan | Frontier Airlines | ||
| 28 Jan | Air India | ||
| 06 Jan | Spirit Airlines | ||
| 16 Jan | Air India | ||
| 20 Jan | IndiGo | ||
| 09 Jan | IndiGo | ||
| 11 Jan | IndiGo |
Also check the deals for return flights from Chicago to Bangkok in January.
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