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Cheapest return flights from Kathmandu (KTM) to Colombo (CMB), September

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Dates, airline, and price
Dates	Airline	Price
30 Sep 05 Oct	IndiGo
01 Sep 02 Sep	IndiGo
02 Sep 03 Sep	IndiGo
30 Sep 05 Oct	SriLankan Airlines Direct Flight
02 Sep 03 Sep	SriLankan Airlines Direct Flight

deals for one-way flights from Kathmandu to Colombo in September.

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Updated Jul 3, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest return flights from Kathmandu (KTM) to Colombo (CMB), September

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