Cheapest one-way flights from London to Kathmandu in September from $290

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

AirHint found the following cheapest one-way flights from London (LON) to Kathmandu (KTM) in September 2025 (see full year).

One-Way flights

19 Sep Pegasus Airlines
21 Sep Wizz Air UK
01 Sep Pegasus Airlines
02 Sep Pegasus Airlines
08 Sep Pegasus Airlines
20 Sep Pegasus Airlines
29 Sep British Airways
27 Sep British Airways
12 Sep Corendon Airlines
09 Sep British Airways

Also check the deals for return 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