Cheapest return flights from Colombo to Kathmandu in August from $372

AirHint found the following cheapest return flights from Colombo (CMB) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

25 Aug - 05 Sep Air India
04 Aug - 06 Aug Air India
07 Aug - 20 Aug Air India
18 Aug - 27 Aug Air India
07 Aug - 21 Aug Air India
14 Aug - 24 Aug Air India
04 Aug - 13 Aug Air India
07 Aug - 19 Aug Air India
07 Aug - 18 Aug Air India
07 Aug - 15 Aug Air India
08 Aug - 15 Aug Air India
30 Aug - 17 Sep IndiGo
31 Aug - 18 Sep Air India
24 Aug - 04 Sep IndiGo
24 Aug - 04 Sep SriLankan Airlines direct
31 Aug - 18 Sep SriLankan Airlines direct

Also check the deals for one-way flights from Colombo to Kathmandu in August.

Skyscanner

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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