Seoul Gimpo Intl, Jeju City, and Fukuoka are the top airports T'way Air flies into and out of during the year.
A flight from Seoul Gimpo Intl to Jeju City, which has 0 stops, is Rp 449,543 which is the least expensive round-trip domestic flight that T'way Air offers. The cheapest one-way T'way Air ticket is flying from Seoul Gimpo Intl to Jeju City. You can expect to pay around Rp 217,021 per ticket. This flight has 0 stops.
T'way Air does not have flights from Denpasar Bali Ngurah Rai at the moment. There are scheduled flights with T'way 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.