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

Return flights

08 Oct - 21 Oct	Turkish Airlines
03 Oct - 06 Oct	Turkish Airlines
03 Oct - 09 Oct	Turkish Airlines
01 Oct - 09 Oct	Turkish Airlines
14 Oct - 18 Oct	Turkish Airlines
12 Oct - 22 Oct	Turkish Airlines
13 Oct - 20 Oct	Turkish Airlines
06 Oct - 12 Oct	Turkish Airlines
03 Oct - 05 Oct	Turkish Airlines
06 Oct - 16 Oct	Turkish Airlines
26 Oct - 05 Nov	LOT
26 Oct - 06 Nov	LOT
29 Oct - 18 Nov	SWISS
22 Oct - 18 Nov	Eurowings
26 Oct - 04 Nov	LOT
25 Oct - 05 Nov	LOT
31 Oct - 16 Nov	Eurowings
28 Oct - 18 Nov	Eurowings
30 Oct - 27 Nov	Eurowings
20 Oct - 18 Nov	SWISS

Also check the deals for one-way flights from London to Kathmandu in October.

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 London to Kathmandu in October from 496€

Return flights