Cheapest return flights from Kathmandu to Osaka in September from $543

Best time to book flights for Kathmandu (KTM) to Osaka (KIX) flights at AirHint

AirHint found the following cheapest return flights from Kathmandu (KTM) to Osaka (KIX) in September 2025 (see full year).

Return flights

16 Sep - 26 Sep Thai AirAsia
13 Sep - 26 Sep Thai AirAsia
13 Sep - 14 Sep Thai AirAsia
02 Sep - 14 Sep Thai AirAsia
02 Sep - 04 Sep Thai AirAsia
02 Sep - 05 Sep Thai AirAsia
23 Sep - 26 Sep Thai AirAsia
13 Sep - 15 Sep Thai AirAsia
02 Sep - 11 Sep Thai AirAsia
02 Sep - 07 Sep Thai AirAsia
16 Sep - 03 Oct Thai AirAsia
16 Sep - 01 Oct Thai AirAsia
16 Sep - 02 Oct Thai AirAsia
13 Sep - 03 Oct Thai AirAsia
13 Sep - 01 Oct Thai AirAsia
13 Sep - 02 Oct Thai AirAsia
23 Sep - 03 Oct Thai AirAsia
23 Sep - 01 Oct Thai AirAsia
23 Sep - 02 Oct Thai AirAsia
27 Sep - 03 Oct Thai AirAsia

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

Skyscanner

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.

Book a cheap hotel in Osaka

Cheap car rent in Osaka