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

Return flights

06 Mar - 26 Mar	AJet
02 Mar - 26 Mar	Pegasus Airlines
07 Mar - 26 Mar	AJet
11 Mar - 26 Mar	Wizz Air UK
13 Mar - 19 Mar	Wizz Air UK
13 Mar - 26 Mar	AJet
03 Mar - 12 Mar	AJet
12 Mar - 26 Mar	AJet
07 Mar - 17 Mar	AJet
07 Mar - 24 Mar	AJet
24 Mar - 25 Apr	Wizz Air
23 Mar - 25 Apr	Wizz Air
23 Mar - 27 Apr	Wizz Air
09 Mar - 01 Apr	AJet
23 Mar - 21 Apr	Wizz Air
08 Mar - 13 Apr	AJet
01 Mar - 01 Apr	AJet
24 Mar - 26 Apr	Wizz Air
20 Mar - 25 Apr	Wizz Air
23 Mar - 26 Apr	Wizz Air

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 $492

Return flights