CVG Cincinnati - Northern Kentucky Intl. UIO Mariscal Sucre Intl. $581 Roundtrip, found 2 days ago $581 Roundtrip found 2 days ago Select Delta flight, departing Sun, Mar 2 from Cincinnati - Northern Kentucky Intl. to Mariscal Sucre Intl., returning Tue, Mar 11, priced at $581 found 2...