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

Return flights

06 Dec - 11 Dec	IndiGo
27 Dec - 03 Jan	IndiGo
05 Dec - 07 Dec	Thai AirAsia
05 Dec - 09 Dec	Thai AirAsia
05 Dec - 24 Dec	Thai AirAsia
07 Dec - 09 Dec	Thai AirAsia
05 Dec - 11 Dec	Thai AirAsia
10 Dec - 27 Dec	Thai AirAsia
07 Dec - 27 Dec	Thai AirAsia
05 Dec - 22 Dec	Thai AirAsia
10 Dec - 24 Dec	Thai AirAsia
27 Dec - 01 Jan	Air India Express
27 Dec - 02 Jan	Air India Express
27 Dec - 04 Jan	Air India Express
27 Dec - 08 Jan	Air India Express

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 338€

Return flights