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

Return flights

29 May - 14 Jun	Scandinavian Airlines
29 May - 13 Jun	KLM
14 May - 08 Jun	Gulf Air
19 May - 08 Jun	Gulf Air
28 May - 08 Jun	LOT
13 May - 06 Jun	Gulf Air
14 May - 23 May	Etihad Airways
08 May - 13 May	Virgin Atlantic
20 May - 26 May	KLM
22 May - 17 Jun	Virgin Atlantic
18 May - 01 Jun	Etihad Airways
01 May - 16 May	Air India
07 May - 24 May	Virgin Atlantic
01 May - 20 May	Virgin Atlantic
03 May - 17 May	Virgin Atlantic
15 May - 12 Jun	Lufthansa
10 May - 24 May	Virgin Atlantic
13 May - 24 May	Virgin Atlantic
13 May - 14 May	Air India
25 May - 25 Jun	Air India

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 576€

Return flights