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

Return flights

29 May - 13 Jun	Scandinavian Airlines
12 May - 19 May	Air India
31 May - 20 Jun	LOT
04 May - 30 May	Eurowings
04 May - 13 May	Air India
17 May - 05 Jun	LOT
29 May - 07 Jun	Scandinavian Airlines
01 May - 12 May	LOT
06 May - 20 May	LOT
16 May - 06 Jun	LOT
19 May - 17 Jun	LOT
30 May - 15 Jun	LOT
18 May - 08 Jun	LOT
30 May - 12 Jun	LOT
25 May - 18 Jun	LOT
11 May - 31 May	KLM
05 May - 22 May	Eurowings
12 May - 26 May	Eurowings
08 May - 19 May	LOT
06 May - 24 May	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 570€

Return flights