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

Return flights

30 Oct - 21 Nov	Turkish Airlines
28 Oct - 21 Nov	Turkish Airlines
30 Oct - 09 Nov	Turkish Airlines
31 Oct - 30 Nov	Aegean Airlines
24 Oct - 08 Nov	Scandinavian Airlines
29 Oct - 06 Nov	Turkish Airlines
30 Oct - 30 Nov	Turkish Airlines
31 Oct - 12 Nov	Aegean Airlines
31 Oct - 15 Nov	Aegean Airlines
30 Oct - 20 Nov	IndiGo
29 Oct - 30 Oct	IndiGo
24 Oct - 27 Oct	Scandinavian Airlines
27 Oct - 28 Oct	IndiGo
27 Oct - 31 Oct	IndiGo
23 Oct - 27 Oct	Air China
23 Oct - 31 Oct	Air China
25 Oct - 31 Oct	Air China
23 Oct - 30 Oct	Air China
26 Oct - 29 Oct	LOT
24 Oct - 29 Oct	Air China

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 614€

Return flights