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

Return flights

30 Aug - 06 Sep	Air India
23 Aug - 27 Aug	Air India
05 Aug - 14 Aug	Air India
06 Aug - 10 Aug	Air India
20 Aug - 24 Aug	Air India
03 Aug - 07 Aug	Air India
06 Aug - 14 Aug	Air India
14 Aug - 19 Aug	Air India
16 Aug - 21 Aug	Air India
14 Aug - 18 Aug	Air India
29 Aug - 07 Sep	Air India
13 Aug - 17 Aug	IndiGo
27 Aug - 12 Sep	Thai AirAsia
29 Aug - 12 Sep	Thai AirAsia

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

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 August from 193€

Return flights