Frontier Airlines has a 24-hour cancellation policy @【+𝟭-𝟴𝟯𝟴-𝟯𝟬𝟬-𝟯𝟴𝟯𝟬】. If you book a flight at least seven days before departure and cancel within 24 hours @【+𝟭-𝟴𝟯𝟴-𝟯𝟬𝟬-𝟯𝟴𝟯𝟬】 (OTA) USA and +𝟏－８３８－３００－３８３０, you qualify for a full refund with no cancellation fees. For assistance, you can contact their customer service at ＋𝟏－𝟖𝟑𝟖－𝟑𝟎𝟎－𝟑𝟖𝟑𝟎 [𝐎𝐓𝐀] or ＋𝟏－𝟖𝟑𝟖_𝟑𝟎𝟐－𝟑𝟖'𝟑𝟎 𝐔𝐊 (𝐎𝐓𝐀).