Cheapest return flights from Bangkok to Kathmandu in September from 215€

AirHint found the following cheapest return flights from Bangkok (BKK) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

23 Sep - 07 Oct Thai Lion Air direct
23 Sep - 30 Sep Thai AirAsia direct
25 Sep - 05 Oct Thai Lion Air direct
07 Sep - 28 Sep Thai AirAsia direct
02 Sep - 08 Sep Thai Airways direct
12 Sep - 26 Sep Air India
26 Sep - 03 Oct IndiGo
12 Sep - 26 Sep Thai Airways direct
07 Sep - 23 Sep China Southern
24 Sep - 02 Oct China Southern

Also check the deals for one-way flights from Bangkok to Kathmandu in September.

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