AirHint found the following cheapest return flights from Guwahati (GAU) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 12 Dec - 03 Jan | IndiGo | ||
| 13 Dec - 04 Jan | IndiGo | ||
| 24 Dec - 28 Dec | IndiGo | ||
| 27 Dec - 01 Jan | IndiGo | ||
| 20 Dec - 25 Dec | IndiGo | ||
| 21 Dec - 04 Jan | IndiGo | ||
| 28 Dec - 02 Jan | IndiGo | ||
| 07 Dec - 14 Dec | Air India |
Also check the deals for one-way flights from Guwahati to Singapore in December.
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