AirHint found the following cheapest return flights from London (LCY) to Kathmandu (KTM) in May 2026 (see full year).

Return flights

02 May - 23 May	KLM
16 May - 04 Jun	KLM
14 May - 28 May	SWISS
03 May - 17 May	KLM
25 May - 14 Jun	KLM
18 May - 31 May	KLM
19 May - 31 May	KLM
21 May - 31 May	KLM
20 May - 26 May	KLM
19 May - 26 May	KLM
22 May - 31 May	KLM
16 May - 31 May	KLM
21 May - 05 Jun	KLM
26 May - 26 Jun	KLM
23 May - 07 Jun	KLM
18 May - 03 Jun	KLM
18 May - 01 Jun	SWISS
29 May - 14 Jun	KLM
01 May - 01 Jun	KLM

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

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

Cheapest return flights from London to Kathmandu in May from 776€

Return flights