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

Return flights

08 May - 10 Jun	AJet
08 May - 17 May	AJet
08 May - 12 May	AJet
05 May - 04 Jun	Aegean Airlines
08 May - 25 May	AJet
01 May - 19 May	AJet
02 May - 23 May	Wizz Air Malta
06 May - 18 May	Aegean Airlines
15 May - 20 May	Pegasus Airlines
06 May - 14 May	Wizz Air Malta
12 May - 26 May	Pegasus Airlines
11 May - 04 Jun	Ryanair
06 May - 15 May	Wizz Air Malta
26 May - 09 Jun	Pegasus Airlines
05 May - 05 Jun	Aegean Airlines
01 May - 03 Jun	AJet
05 May - 03 Jun	Aegean Airlines
03 May - 01 Jun	Wizz Air UK
31 May - 16 Jun	Ryanair
03 May - 29 Jun	Aegean Airlines

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.

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Cheapest return flights from London to Kathmandu in May from 462€

Return flights