Phuket City, Bangkok Suvarnabhumi, and Chiang Mai are the top airports Thai Vietjet Air flies into and out of during the year.
A flight from Khon Kaen to Bangkok Suvarnabhumi, which has 0 stops, is Rp 682,065 which is the least expensive round-trip domestic flight that Thai Vietjet Air offers. The cheapest one-way Thai Vietjet Air ticket is flying from Ubon Ratchathani to Bangkok Suvarnabhumi. You can expect to pay around Rp 310,029 per ticket. This flight has 0 stops.
Thai Vietjet Air does not have flights from Denpasar Bali Ngurah Rai at the moment. There are scheduled flights with Thai Vietjet Air out of Singapore Changi though (if you don’t mind flying from this airport). Flying with Ethiopian Air is recommended if you still want to fly from Denpasar Bali Ngurah Rai.