AirHint found the following cheapest return flights from Lisbon (LIS) to Kathmandu (KTM) in October 2025 (see full year).

Return flights

19 Oct - 17 Nov	Air Europa
04 Oct - 19 Oct	Emirates
28 Oct - 20 Nov	IndiGo
01 Oct - 20 Oct	IndiGo
13 Oct - 24 Nov	IndiGo
21 Oct - 19 Nov	IndiGo
15 Oct - 02 Nov	IndiGo
15 Oct - 18 Nov	IndiGo
29 Oct - 20 Nov	IndiGo
01 Oct - 30 Oct	IndiGo
01 Oct - 28 Oct	IndiGo
03 Oct - 12 Nov	IndiGo
04 Oct - 28 Nov	IndiGo
21 Oct - 01 Nov	IndiGo
18 Oct - 21 Oct	IndiGo
13 Oct - 29 Oct	IndiGo
06 Oct - 30 Oct	Emirates

Also check the deals for one-way flights from Lisbon to Kathmandu in October.

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 Lisbon to Kathmandu in October from 661€

Return flights