AirHint found the following cheapest return flights from Taipei (TPE) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

03 Aug - 22 Aug	Thai Lion Air
21 Aug - 25 Aug	Thai Lion Air
23 Aug - 13 Sep	Thai Lion Air
03 Aug - 14 Aug	China Eastern
16 Aug - 25 Aug	Thai Lion Air
02 Aug - 09 Aug	Thai Lion Air
23 Aug - 27 Aug	Thai Lion Air
16 Aug - 23 Aug	Thai Lion Air
23 Aug - 30 Aug	Thai Lion Air
11 Aug - 18 Aug	Thai VietJet Air
02 Aug - 16 Aug	Thai Lion Air
30 Aug - 05 Sep	Thai Lion Air
31 Aug - 14 Sep	Thai Lion Air
16 Aug - 07 Sep	Thai Lion Air
29 Aug - 06 Sep	Thai Lion Air
15 Aug - 07 Sep	Thai Lion Air
20 Aug - 07 Sep	AirAsia X
28 Aug - 06 Sep	China Southern

Also check the deals for one-way flights from Taipei to Kathmandu in August.

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 Taipei to Kathmandu in August from $391

Return flights