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

Return flights

14 May - 07 Jun	Pegasus Airlines
09 May - 06 Jun	Pegasus Airlines
01 May - 18 May	Pegasus Airlines
06 May - 13 May	Pegasus Airlines
30 May - 13 Jun	Ryanair
08 May - 25 May	Pegasus Airlines
07 May - 24 May	Ryanair
08 May - 05 Jun	Pegasus Airlines
04 May - 24 May	Ryanair
01 May - 21 May	Pegasus Airlines
02 May - 21 May	Ryanair
01 May - 17 May	Pegasus Airlines
18 May - 24 May	Ryanair
02 May - 04 Jun	Ryanair
20 May - 20 Jun	Ryanair
15 May - 30 May	Pegasus Airlines
18 May - 08 Jun	Turkish Airlines
18 May - 10 Jun	Emirates
04 May - 04 Jun	Emirates
02 May - 06 Jun	Emirates

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 489€

Return flights