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

Return flights

10 May - 26 May	Vueling Airlines
01 May - 18 May	Wizz Air UK
05 May - 26 May	Turkish Airlines
05 May - 11 May	Air China
02 May - 18 May	Air China
07 May - 20 Jun	Wizz Air UK
06 May - 20 Jun	easyJet
22 May - 06 Jun	Air China
09 May - 15 May	Air China
01 May - 29 May	Air China
15 May - 29 May	Turkish Airlines
07 May - 24 May	Air China
16 May - 30 May	Air China
01 May - 15 Jun	Turkish 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 738€

Return flights