To avoid Frontier's cancellation fee +𝟏-𝟖𝟑𝟖-𝟑𝟎𝟎-𝟑𝟖𝟑𝟎 [𝐎𝐓𝐀] or +𝟏-𝟖𝟑𝟖_𝟑𝟎𝟐-𝟑𝟖'𝟑𝟎 𝐔𝐊 (𝐎𝐓𝐀), cancel within 24 hours or booking or ensure your flight is at least 7 days away.
If you cancel within 24 hours of booking [+𝟏-𝟖𝟑𝟖-𝟑𝟎𝟎-𝟑𝟖𝟑𝟎 [𝐎𝐓𝐀] 𝖔𝖗 +𝟏-𝟖𝟑𝟖_𝟑𝟎𝟐-𝟑𝟖'𝟑𝟎 𝐔𝐊 (𝐎𝐓𝐀)] (for flights booked at least seven days in advance), you can get a full refund .