AirHint found the following cheapest return flights from London (STN) to Kathmandu (KTM) in June 2025 (see full year).

Return flights

11 Jun - 25 Jun	AJet
11 Jun - 18 Jun	AJet
11 Jun - 09 Jul	AJet
11 Jun - 21 Jun	AJet
11 Jun - 24 Jun	AJet
11 Jun - 05 Jul	AJet
18 Jun - 25 Jun	Pegasus Airlines
19 Jun - 09 Jul	AJet
11 Jun - 17 Jun	AJet
11 Jun - 17 Jul	AJet
21 Jun - 21 Jul	Pegasus Airlines
18 Jun - 09 Jul	AJet
19 Jun - 03 Jul	AJet
21 Jun - 12 Jul	Pegasus Airlines
18 Jun - 03 Jul	Pegasus Airlines
18 Jun - 26 Jun	Pegasus Airlines
21 Jun - 16 Jul	Pegasus Airlines
11 Jun - 27 Jun	AJet
11 Jun - 30 Jun	AJet
13 Jun - 23 Jun	AJet

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

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 June from 454€

Return flights