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

Return flights

10 Apr - 27 Apr	SWISS
17 Apr - 03 May	Aegean Airlines
17 Apr - 01 May	Aegean Airlines
23 Apr - 09 May	SWISS
23 Apr - 27 Apr	SWISS
23 Apr - 01 May	SWISS
03 Apr - 22 Apr	SWISS
07 Apr - 18 Apr	SWISS
03 Apr - 19 Apr	SWISS
16 Apr - 03 May	Gulf Air
07 Apr - 17 Apr	SWISS
02 Apr - 19 Apr	Lufthansa
03 Apr - 14 Apr	Lufthansa
16 Apr - 23 May	Gulf Air
12 Apr - 29 Apr	Oman Air
14 Apr - 24 Apr	Brussels Airlines
17 Apr - 08 May	Lufthansa
24 Apr - 10 May	Etihad Airways
16 Apr - 17 May	Gulf Air
16 Apr - 11 May	Oman Air

Also check the deals for one-way flights from London to Kathmandu in April.

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from London to Kathmandu in April from 668€

Return flights