Duncan Inn by OYO, OK - Hwy 81 Near Chisholm Casino is offering accommodations in Duncan. Guest rooms in the hotel are equipped with a flat-screen TV with cable channels. Featuring a private bathroom with a bath or shower and free toiletries, rooms at Duncan Inn by OYO, OK - Hwy 81 Near Chisholm Casino also feature free WiFi. All rooms at the accommodation feature air conditioning and a desk. Duncan Inn by OYO, OK - Hwy 81 Near Chisholm Casino can conveniently provide information at the reception to help guests to get around the area. Lawton-Fort Sill Regional Airport is 30 miles from the property.