AirHint found the following cheapest return flights from Guwahati (GAU) to Kathmandu (KTM) in October 2025 (see full year).
Return flights
| 28 Oct - 04 Nov | SpiceJet | ||
| 24 Oct - 27 Oct | IndiGo | ||
| 25 Oct - 02 Nov | SpiceJet |
Also check the deals for one-way flights from Guwahati to Kathmandu in October.
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