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

Return flights

06 Sep - 28 Sep	Air India
01 Sep - 15 Sep	Air India
05 Sep - 20 Sep	Air India
07 Sep - 23 Sep	Air India
12 Sep - 01 Oct	Air India
06 Sep - 03 Oct	Air India
30 Sep - 08 Oct	Vueling Airlines
14 Sep - 21 Sep	Air India
05 Sep - 16 Sep	Air India
05 Sep - 17 Sep	Air India
13 Sep - 01 Oct	Air India
03 Sep - 26 Sep	Air India
16 Sep - 01 Oct	Wizz Air Malta
16 Sep - 28 Sep	Wizz Air Malta
15 Sep - 24 Sep	Air India
15 Sep - 01 Oct	Air India
30 Sep - 17 Oct	easyJet
05 Sep - 04 Oct	Air India
30 Sep - 15 Oct	Wizz Air Malta
04 Sep - 11 Oct	easyJet

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

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from Paris to Kathmandu in September from $639

Return flights