✅ Allegiant Airlines includes 1 personal item for free, up to 7 × 15 × 16 inches (18 × 38 × 40 cm).
Carry-on bags up to 9 × 14 × 22 inches (23 × 36 × 56 cm) are allowed for a fee. Wheels and handles count toward the size.
| Item | Max Size (inches) | Notes |
| Carry-On | 7 × 15 × 16 | Free; must fit under seat |
| Personal Item | 9 × 14 × 22 | Extra fee; fits in overhead bin |
How to Measure Your Bag
- Measure wheels and handles too.
- Compare with 7 × 15 × 16 personal item box.
- For carry-on, check it’s within 9 × 14 × 22.
Gotchas / Common Issues
- Allegiant enforces personal item size strictly; oversized bags get charged.
- Carry-ons cost extra, usually cheaper if purchased online.
- On busy flights, compliant carry-ons may still be gate-checked.