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

Return flights

22 Sep - 22 Oct	IndiGo
13 Sep - 19 Oct	IndiGo
18 Sep - 28 Sep	IndiGo
11 Sep - 29 Sep	IndiGo
09 Sep - 29 Sep	IndiGo
18 Sep - 05 Oct	IndiGo
11 Sep - 01 Oct	IndiGo
20 Sep - 05 Oct	IndiGo
28 Sep - 05 Oct	Pegasus Airlines
13 Sep - 21 Sep	Pegasus Airlines
09 Sep - 23 Sep	Pegasus Airlines
11 Sep - 28 Sep	IndiGo
22 Sep - 13 Oct	Ryanair
14 Sep - 03 Oct	Pegasus Airlines
21 Sep - 06 Oct	Pegasus Airlines
22 Sep - 14 Oct	Ryanair
13 Sep - 27 Sep	Pegasus Airlines
08 Sep - 22 Sep	Jet2
15 Sep - 22 Sep	Ryanair
17 Sep - 30 Sep	Ryanair

Also check the deals for one-way flights from Manchester 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.

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Cheapest return flights from Manchester to Kathmandu in September from 526€

Return flights