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

Return flights

16 Apr - 28 Apr	Gulf Air
29 Apr - 09 May	Etihad Airways
05 Apr - 02 May	LOT
02 Apr - 18 Apr	Scandinavian Airlines
04 Apr - 18 Apr	Air Serbia
26 Apr - 24 May	Virgin Atlantic
15 Apr - 30 Apr	Virgin Atlantic
12 Apr - 01 May	Virgin Atlantic
20 Apr - 30 Apr	Virgin Atlantic
17 Apr - 04 May	Virgin Atlantic
27 Apr - 31 May	Virgin Atlantic
24 Apr - 14 May	Oman Air
17 Apr - 02 May	Oman Air
17 Apr - 01 May	Virgin Atlantic
18 Apr - 02 May	Oman Air
12 Apr - 27 Apr	Oman Air
18 Apr - 25 Apr	Oman Air
17 Apr - 26 Apr	Oman Air
02 Apr - 19 Apr	LOT
13 Apr - 22 Apr	Lufthansa

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 662€

Return flights