AirHint found the following cheapest return flights from Lisbon (LIS) to Kathmandu (KTM) in March 2026 (see full year).

Return flights

03 Mar - 09 Mar	Ryanair
09 Mar - 23 Mar	Ryanair
06 Mar - 18 Mar	Ryanair
07 Mar - 18 Mar	Ryanair
11 Mar - 18 Mar	easyJet
03 Mar - 28 Mar	Ryanair
01 Mar - 31 Mar	Ryanair
10 Mar - 25 Apr	TAP
02 Mar - 30 Mar	Ryanair
19 Mar - 29 Mar	Ryanair
09 Mar - 14 Apr	Ryanair
02 Mar - 10 Apr	Wizz Air
01 Mar - 30 Mar	Ryanair
02 Mar - 02 Apr	Ryanair
01 Mar - 09 Apr	Ryanair
28 Mar - 11 Apr	Ryanair
01 Mar - 29 Apr	Ryanair
29 Mar - 30 Apr	Ryanair
05 Mar - 28 Apr	Emirates

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

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 March from $610

Return flights