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

Return flights

05 May - 18 May	AJet
09 May - 05 Jun	AJet
05 May - 05 Jun	AJet
01 May - 10 May	AJet
08 May - 05 Jun	AJet
07 May - 05 Jun	AJet
01 May - 17 May	AJet
26 May - 12 Jun	Pegasus Airlines
05 May - 21 May	Pegasus Airlines
02 May - 23 May	Pegasus Airlines
01 May - 16 May	Pegasus Airlines
26 May - 05 Jun	Pegasus Airlines
14 May - 25 Jun	Ryanair
14 May - 04 Jun	Pegasus Airlines
01 May - 14 May	Pegasus Airlines
01 May - 23 May	Pegasus Airlines
20 May - 03 Jun	Ryanair
28 May - 11 Jun	Pegasus Airlines
01 May - 07 May	Pegasus Airlines
04 May - 21 May	Ryanair

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 490€

Return flights