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

Return flights

19 Jun - 26 Jun	Air India
19 Jun - 24 Jun	Air India
20 Jun - 27 Jun	Air India
26 Jun - 27 Jun	Air India
22 Jun - 27 Jun	Air India
21 Jun - 28 Jun	Air India
17 Jun - 21 Jun	Air India
27 Jun - 01 Jul	Air India
20 Jun - 31 Jul	Air India
26 Jun - 03 Jul	Air India
29 Jun - 03 Jul	Air India
25 Jun - 30 Jun	IndiGo
22 Jun - 30 Jun	IndiGo
20 Jun - 23 Jun	Air India

Also check the deals for one-way flights from Lucknow 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 Lucknow to Kathmandu in June from $229

Return flights