Are there nonstop flights from Kabul (KBL) to Khost (KHT)?

Yes. Kam Air fly this route. Flight time is about 41m.

Kabul → Khost

Kabul International Airport (KBL) to Khost International Airport (KHT)・153 km

Nonstop flights available (1 airline). Flight time about 41m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.