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

Return flights

02 Mar - 16 Mar	Gulf Air
10 Mar - 23 Mar	Gulf Air
02 Mar - 11 Mar	Gulf Air
02 Mar - 14 Mar	Gulf Air
09 Mar - 23 Mar	Gulf Air
01 Mar - 14 Mar	Gulf Air
01 Mar - 15 Mar	Oman Air
03 Mar - 12 Mar	Gulf Air
01 Mar - 21 Mar	Saudia
12 Mar - 20 Mar	Saudia
16 Mar - 20 Apr	Oman Air
29 Mar - 18 Apr	LOT
26 Mar - 23 Apr	LOT
20 Mar - 13 Apr	Thai Airways
30 Mar - 22 Apr	LOT
22 Mar - 13 Apr	Thai Airways
02 Mar - 02 Apr	Thai Airways
29 Mar - 13 Apr	Thai Airways
21 Mar - 06 Apr	Thai Airways
30 Mar - 18 Apr	LOT

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

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 March from 669€

Return flights