AirHint found the following cheapest return flights from Chicago (ORD) to Singapore (SIN) in January 2026 (see full year).
Return flights
| 23 Jan - 23 Feb | Air India | ||
| 23 Jan - 30 Jan | Turkish Airlines | ||
| 10 Jan - 17 Jan | Turkish Airlines | ||
| 23 Jan - 24 Jan | IndiGo | ||
| 09 Jan - 17 Jan | Air India | ||
| 02 Jan - 10 Jan | Air India | ||
| 01 Jan - 20 Jan | Alaska Airlines |
Also check the deals for one-way flights from Chicago to Singapore in January.
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