Cheapest return flights from Lisbon to Kathmandu in September from $1147

Best time to book flights for Lisbon (LIS) to Kathmandu (KTM) flights at AirHint

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

Return flights

15 Sep - 13 Oct Qatar Airways
16 Sep - 13 Oct Qatar Airways
11 Sep - 26 Sep Emirates
15 Sep - 12 Oct Qatar Airways
05 Sep - 28 Sep IndiGo
14 Sep - 12 Oct IndiGo
21 Sep - 13 Oct Etihad Airways
11 Sep - 11 Oct Emirates
14 Sep - 11 Oct IndiGo
12 Sep - 11 Oct IndiGo
13 Sep - 11 Oct IndiGo
13 Sep - 12 Oct Turkish Airlines

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

Skyscanner

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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