Explore the latest Allegiant air coupons, promo codes, and online sales available for September 2025, and start saving on your favorite products today.
| Discount | Details | Validity |
|---|---|---|
| 50%Off | Limited Stock Alert - 50% Off Select Items | 18-9-25 |
| 5%Off | Enjoy 5% Off All Your Purchases | 18-9-25 |
| 5%Off | Save 5% Off Your Order | 19-9-25 |
| 5%Off | 5% Off Your Purchase With Coupon | 19-9-25 |
| $30Off | $30 Off Select Items: With Code | 19-9-25 |
| $20Off | $20 Off: The Best Allegiant Promo Code | 18-9-25 |
| $20Off | Get $20 Off Sitewide | 18-9-25 |
| $250Off | Earn 2,500 Points To Get $250 Off Future Allegiant Travel | 30-9-25 |
| $60Off | Get $60 Off $500+ Select Items At Allegiant Air With Coupon Code | 19-9-25 |
| $50Off | $50 Off Flights To Tampa St. Pete: The Best Allegiant Promo Code | 18-9-25 |
| $50Off | $50 Off At Allegiant Air | 18-9-25 |
| $25Off | Get $25 Off Your Next Allegiant Trip At Allegiantair.com | 18-9-25 |
| 60%Off | Up To 60% Off Your Order With Discount Code | 18-9-25 |
| 50%Off | Limited Time - Additional 50% Off Special Items | 19-9-25 |
| 25%Off | Shop Allegiantair.com Products With Discounts Up To 25% Off | 17-9-25 |
| 4%Off | Allegiant Air Coupon: 4% Off Your Purchase | 18-9-25 |
| $75Off | Get Up To $75 Off At Allegiant Air | 17-9-25 |
| $75Off | Get $75 Off Select Products At Allegiantair.com With Coupon Code | 17-9-25 |
| $50Off | Special Allegiant Air Coupons: Up To $50 Off | 17-9-25 |
| $50Off | Save Up To $50 Off Your All Orders | 17-9-25 |
| $35Off | $35 Off $100 With Allegiant Cc | 18-9-25 |
| $30Off | Allegiant Air Coupon: Extra $30 Off $200+ Site-Wide | 19-9-25 |
| $30Off | Get Up To $30 Off All Your Purchase | 17-9-25 |
| $30Off | Get $30 Off $300+ At Allegiantair.com | 17-9-25 |
| $30Off | Take $30 Off Your Order | 18-9-25 |
| $25Off | $25 Discount For Allegiant Air Coupons | 17-9-25 |
| $21Off | $21 Off Select Items: The Best Allegiant Promo Code | 18-9-25 |
| $20Off | $20 Off Roundtrip | 18-9-25 |
| $20Off | Save Up To $20 Off | 17-9-25 |
| $20Off | Shop Now & Enjoy $20 Off On Your Purchase | 19-9-25 |
| $20Off | $20 Off Flights: The Best Allegiant Promo Code | 18-9-25 |
| $20Off | Get $20 Off $1,000+ At Allegiantair.com | 19-9-25 |
| $20Off | $20 Off Storewide: With Code | 18-9-25 |
| $10Off | Get $10 Off Orders $200+ Store-Wide At Allegiantair.com With Coupon Code | 18-9-25 |
| $10Off | Up To $10 Off At Allegiant Air | 17-9-25 |
| $10Off | Save Up To $10 Off At Allegiant Air | 17-9-25 |
| $10Off | $10 Off One Way Trip | 18-9-25 |
| 25%Off | Save Up To 25% Off Save With Allegiant Air Coupons | 17-9-25 |
| 20%Off | 20% Off 2+ Nights Vacation Bookings To 200+ Resorts In 100+ Destinations On Holiday Sale | 16-9-25 |
| 15%Off | Allegiant Air Promo Code: 15% Off | 18-9-25 |
| 15%Off | Get Up To 15% Off Any Purchase | 17-9-25 |
| $250Off | Get $250 Off $2,000+ Hotel At Allegiantair.com With Code | 18-9-25 |
| $150Off | $150 Off Sitewide Order Over $1,500 | 18-9-25 |
| $100Off | Coupon Code For $100 Off | 16-9-25 |
| $75Off | $75 Off $250 Or More Cardholder | 16-9-25 |
| $60Off | $60 Off With These Verified Allegiant Air Discount Codes | 16-9-25 |
| $60Off | Up To $60 Off At Allegiant Air | 17-9-25 |
| $50Off | Extra $50 Off On Your Total Order | 17-9-25 |
| $30Off | Coupon Code For $30 Off | 16-9-25 |
| $30Off | $30 Off Flight Plus Hotel And Car Rental | 18-9-25 |
