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

Return flights

05 Mar - 19 Mar	Pegasus Airlines
05 Mar - 24 Mar	Ryanair
13 Mar - 29 Mar	Pegasus Airlines
05 Mar - 31 Mar	Ryanair
16 Mar - 23 Apr	Pegasus Airlines
09 Mar - 13 Mar	Pegasus Airlines
10 Mar - 24 Mar	Ryanair
10 Mar - 01 Apr	Ryanair
04 Mar - 30 Mar	Ryanair
08 Mar - 21 Mar	Ryanair
01 Mar - 21 Mar	Ryanair
01 Mar - 13 Mar	Ryanair
01 Mar - 01 Apr	Ryanair
10 Mar - 10 Apr	Ryanair
02 Mar - 01 Apr	Ryanair
06 Mar - 03 Apr	Pegasus Airlines
25 Mar - 10 Apr	Pegasus Airlines
19 Mar - 13 Apr	Ryanair
06 Mar - 09 Apr	AJet
24 Mar - 09 Apr	Ryanair

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 571€

Return flights