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

Return flights

11 May - 24 May	Wizz Air
11 May - 25 May	Wizz Air
10 May - 23 May	AJet
09 May - 25 May	AJet
09 May - 20 May	AJet
09 May - 23 May	AJet
09 May - 26 May	AJet
10 May - 03 Jun	Pegasus Airlines
08 May - 23 May	Pegasus Airlines
05 May - 23 May	AJet
08 May - 24 May	Pegasus Airlines
17 May - 07 Jun	Pegasus Airlines
09 May - 10 Jun	AJet
28 May - 08 Jun	Pegasus Airlines
07 May - 30 Jun	AJet
15 May - 03 Jun	Wizz Air
17 May - 04 Jun	Pegasus Airlines
28 May - 03 Jun	AJet
18 May - 01 Jun	Pegasus Airlines
05 May - 09 Jun	Wizz Air UK

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 $574

Return flights