AirHint found the following cheapest return flights from Trivandrum (TRV) to Kathmandu (KTM) in June 2025 (see full year).

Return flights

18 Jun - 25 Jun	Air India
23 Jun - 28 Jun	Air India
17 Jun - 24 Jun	Air India
24 Jun - 24 Jun	Air India
29 Jun - 02 Jul	Air India
16 Jun - 19 Jun	Air India
23 Jun - 27 Jun	Air India
15 Jun - 01 Jul	Air India
20 Jun - 20 Jun	Air India
16 Jun - 20 Jun	Air India

Also check the deals for one-way flights from Trivandrum to Kathmandu in June.

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 Trivandrum to Kathmandu in June from $266

Return flights