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

Return flights

12 Oct - 22 Nov	TAP
01 Oct - 09 Oct	Pegasus Airlines
03 Oct - 23 Oct	Ryanair
13 Oct - 24 Oct	TAP
01 Oct - 20 Oct	IndiGo
06 Oct - 28 Oct	Emirates
03 Oct - 18 Oct	IndiGo
13 Oct - 21 Nov	IndiGo
29 Oct - 29 Nov	Qatar Airways
08 Oct - 31 Oct	IndiGo
09 Oct - 13 Nov	Qatar Airways
08 Oct - 30 Oct	IndiGo
30 Oct - 16 Nov	Qatar Airways
01 Oct - 23 Oct	IndiGo
16 Oct - 22 Nov	IndiGo
01 Oct - 17 Nov	IndiGo
23 Oct - 24 Nov	IndiGo
30 Oct - 30 Nov	IndiGo
01 Oct - 15 Nov	IndiGo
01 Oct - 28 Oct	Turkish Airlines

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 686€

Return flights