Frontier Airlines: Book An Eligible Flight & Travel through November 16 & Earn $50 Voucher (Book by 9/12; Voucher Active Jan-March 2026)

Frontier Airlines is offering their Buy A Flight Today, Get a $50 Voucher Later Promotion when you apply promo code BOGO and book an eligible flight by September 12, 2025 and travel through November 16, 2025. Voucher can be used for future travel from January 5 through March 5, 2026.