Cheapest return flights from London to Kathmandu in September from $927

Best time to book flights for London (LGW) to Kathmandu (KTM) flights at AirHint

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

Return flights

08 Sep - 25 Sep IndiGo
09 Sep - 23 Sep IndiGo
05 Sep - 24 Sep IndiGo
16 Sep - 29 Sep IndiGo
03 Sep - 25 Sep IndiGo
26 Sep - 24 Oct Gulf Air
01 Sep - 07 Sep IndiGo
02 Sep - 11 Sep IndiGo
15 Sep - 20 Sep IndiGo
02 Sep - 19 Sep IndiGo
06 Sep - 26 Sep IndiGo
25 Sep - 25 Oct Wizz Air Malta
30 Sep - 07 Oct Emirates
18 Sep - 10 Oct Turkish Airlines
30 Sep - 28 Oct Turkish Airlines
07 Sep - 07 Oct IndiGo
17 Sep - 12 Oct IndiGo
14 Sep - 09 Oct IndiGo
12 Sep - 04 Oct IndiGo
11 Sep - 16 Oct China Southern

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

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu