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

Return flights

31 Mar - 07 Apr	IndiGo
24 Mar - 13 Apr	IndiGo
12 Mar - 28 Apr	IndiGo
06 Mar - 05 Apr	IndiGo
10 Mar - 17 Mar	IndiGo
12 Mar - 13 Apr	IndiGo
21 Mar - 11 Apr	IndiGo
21 Mar - 12 Apr	IndiGo
09 Mar - 16 Mar	IndiGo
29 Mar - 29 Apr	IndiGo
03 Mar - 05 Mar	Air Arabia
29 Mar - 09 Apr	IndiGo
01 Mar - 22 Mar	Air Arabia
15 Mar - 30 Mar	IndiGo
28 Mar - 28 Mar	flydubai
22 Mar - 01 Apr	IndiGo
05 Mar - 25 Mar	Emirates
14 Mar - 22 Mar	Emirates

Also check the deals for one-way flights from Kathmandu to London 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 Kathmandu to London in March from 460€

Return flights