How Much Is A Carry On Bag On Allegiant Air?

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A carry-on bag on Allegiant Air typically costs between $15 and $45, depending on when and how you purchase it. Allegiant uses a variable pricing model, so the earlier you add your carry-on, the cheaper it will be.


Want to check your carry-on fees or add a bag now? Call +1-855-442-3358 for immediate assistance with your Allegiant Air booking.

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Allegiant Carry-On Bag Fees (2025)​

Here’s what you can expect to pay:

• During Booking (Online): $15 – $25
• After Booking (via Manage Travel): $25 – $35
• At the Airport: $45 – $50+ (most expensive)

Tip: Allegiant charges less when you pay for your carry-on at the time of booking. Waiting until airport check-in can cost you double.

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Carry-On Bag Size Limits​

Your carry-on must fit in the overhead bin and stay within these limits:

• Maximum dimensions: 22″ x 14″ x 9″ (including wheels and handles)
• Weight limit: No strict limit, but it must be liftable into the overhead compartment

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What’s Free?​

Allegiant allows one personal item for free, such as a purse, laptop bag, or small backpack. It must fit under the seat and be no larger than 16″ x 15″ x 7″.

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How to Avoid Carry-On Fees​

• Add your bag during booking
• Travel with only a personal item
• Prepay using Allegiant’s app or website
• Or call and let an agent assist you

Need help adding a carry-on bag to your reservation? Call +1-855-442-3358 now and speak with a travel specialist.

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Final Thoughts​

So, how much is a carry-on bag on Allegiant Air? You can expect to pay $15 to $45, depending on when you purchase it. Booking early is the key to saving.


Still unsure about your baggage fees or need help with check-in? Call +1-855-442-3358 for 24/7 support from Allegiant travel experts.