AirHint found the following cheapest return flights from Guwahati (GAU) to Singapore (SIN) in December 2025 (see full year).

Return flights

17 Dec - 25 Dec	IndiGo
06 Dec - 11 Dec	IndiGo
09 Dec - 14 Dec	IndiGo
24 Dec - 29 Dec	IndiGo
27 Dec - 03 Jan	IndiGo
06 Dec - 14 Dec	Air India Express
17 Dec - 01 Jan	Thai AirAsia
17 Dec - 02 Jan	Thai AirAsia
17 Dec - 04 Jan	Thai AirAsia
21 Dec - 01 Jan	Thai AirAsia
17 Dec - 22 Dec	Thai AirAsia
17 Dec - 24 Dec	Thai AirAsia
17 Dec - 29 Dec	Thai AirAsia
21 Dec - 02 Jan	Thai AirAsia
06 Dec - 16 Dec	Air India Express
21 Dec - 04 Jan	Thai AirAsia
09 Dec - 16 Dec	Air India Express
24 Dec - 01 Jan	Thai AirAsia
24 Dec - 02 Jan	Thai AirAsia
24 Dec - 04 Jan	Thai AirAsia

Also check the deals for one-way flights from Guwahati to Singapore in December.

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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Cheapest return flights from Guwahati to Singapore in December from $393

Return flights