What are the Carry-On Bag Size and Weight Restrictions on Allegiant Air?
- noaheo483
- Mar 3
- 2 min read

When flying with Allegiant Air, it’s important to understand the allegiant carry on weight limit. Knowing this limit helps you avoid unexpected fees and ensures your bag can comfortably fit in the overhead bin. Allegiant Air has specific rules for carry-on bags and personal items, so planning ahead is key to a smooth airport experience.
What is the Maximum Size Allowed for an Allegiant Carry-On Bag?
Allegiant Air permits one carry-on bag per passenger. The maximum dimensions for a carry-on are 22 x 14 x 9 inches, including wheels and handles. Bags exceeding these dimensions may need to be checked at the gate. Your personal item should fit under the seat and not exceed 18 x 14 x 8 inches.
Bag Type | Maximum Dimensions | Notes |
Carry-On | 22 x 14 x 9 in | Fits overhead bin |
Personal Item | 18 x 14 x 8 in | Must fit under the seat |
How Much Can You Weigh Your Allegiant Carry-On Bag?
While Allegiant Air does not enforce a strict weight limit, passengers are expected to lift their carry-on into the overhead bin without assistance. This is considered part of the allegiant carry-on weight guidelines. Personal items are recommended to stay under 15 lbs, which aligns with the airline’s allegiant personal item weight limit.
How Much Does an Allegiant Carry-On Cost?
The allegiant carry-on price varies depending on when and how you purchase it:
During online booking: Usually $25–$35.
At the airport: Can increase to $40–$45.
Paying in advance is the easiest way to save money and avoid higher fees at the gate.
What Are the Rules for Liquids in Allegiant Carry-On Bags?
When bringing liquids in your allegiant carry on, you must follow TSA guidelines:
Containers must be 3.4 ounces (100 ml) or smaller.
All containers must fit in one clear, quart-sized resealable bag.
Only one bag per passenger is allowed.
Following these rules ensures a smooth security check.
How Can You Avoid Problems with Your Carry-On?
To prevent issues:
Measure and weigh your carry-on and personal items before heading to the airport.
Keep liquids packed according to TSA rules.
Ensure your personal item fits under the seat.
Consider paying for carry-on online to save on fees.
Being prepared can save time and avoid frustration at the gate.
Conclusion: Key Takeaways for Allegiant Carry-On Bags
Understanding Allegiant Air’s carry-on rules makes traveling easier. Stick to the recommended sizes and weights for both your carry-on and personal items. Pack efficiently and follow liquid regulations to ensure a smooth boarding process. Proper planning avoids unexpected gate fees and makes your trip more enjoyable.



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