How Strict Is Allegiant With Personal Item Size Limits? 2025

So Is Allegiant strict on the size of personal items?

If you’re flying with Allegiant, keep in mind that they can be strict about personal item size. So there’s a good chance your bag will be measured to make sure it doesn’t exceed the limit of 7″ x 15″ x 16″ (17.8 x 38.1 x 40.6 cm). If it’s any larger, it will be counted as a carry-on bag.

To save yourself from hassle or having your bag inspected at the gate be certain to comply with Allegiant’s personal item size guidelines.

If you have to pack additional bags, there are clever workarounds to increase space and even bypass baggage charges, so you won’t be caught off guard at the airport with a large bill.

TL;DR

  • Allegiant allows 1 personal item for free per passenger.
  • Personal item size limit: 7 × 15 × 16 in (17.8 × 38.1 × 40.6 cm) and it must fit under the seat in front of you.
  • Examples of personal items include a small backpack, purse, or briefcase.
  • Oversized personal items will be reclassified as carry-ons and charged accordingly.
  • Allegiant is stricter than many airlines about enforcing personal item dimensions.
  • Soft-sided or slightly oversized bags may pass if they can be squashed under the seat, but it’s a risk.
Black handbag with shoulder strap, used as an example of a personal item size for Allegiant Air, with text asking “Is Allegiant strict about personal item size?

Allegiant Personal Item Policy

Allegiant’s personal item policy is as follows:

  • Your personal item can be a purse, a briefcase, or a small backpack that fits perfectly underneath the seat in front of you.
  • The maximum dimensions are 7 x 15 x 16 inches (17.8 x 38.1 x 40.6 cm).

Here is an answer from Allegiant Air customer service insisting that the personal item size must not exceed 7 x 15 x 16 inches.

Additional Items

In addition to a carry-on bag and personal item, you are also allowed to bring on board the following necessary items:

  • A coat or jacket
  • Food items to consume during your flight
  • Mobility aids or assistive devices, such as wheelchairs, walkers, canes, crutches, strollers, etc.
  • One box or bag of duty-free shopping
  • An umbrella
  • One item of reading material, like books or newspapers
  • A diaper bag

How Strict Is Allegiant with Personal Item Size?

Allegiant is a bit strict about its personal item size.

According to Allegiant, all carry-on and personal items must fit within Allegiant’s luggage dimensions and may be verified prior to boarding.

Please measure your bags carefully, including exterior wheels, pockets, and decorations.

Personal items that do not fit completely underneath a seat may be considered a carry-on bag, and passengers will be charged accordingly.

Excess and oversized bags may be gate-checked.

The personal item must not exceed exterior dimensions of 7 in. x 15 in. x 16 in. (17.8 cm x 38.1 cm x 40.6 cm) and must be placed under the seat.

Sometimes the airline may mistakenly charge passengers, assuming that their personal items are too big.

If that happens to you, make sure to snap a photo as proof, like Pat did so they can reimburse you.

Person asks Allegiant if a large duffel bag counts as a personal item; airline replies limit is 7x15x16 inches

My Personal Item Is Slightly Oversized, What Should I Do?

The only time this might be worth the risk is if your personal item is flexible and can be squashed, or if it’s only an inch bigger than the allowed size.

That way, your personal item may still fit properly, and you won’t need to worry.

However, Allegiant does not always check the size as strictly as they claim on their website.

Is a Backpack Considered a Personal Item for Allegiant Air?

Yes, you can bring a personal item. On Allegiant Air, and it can be a small backpack, a purse, or a briefcase.

The backpack must not exceed the allowed dimensions of 7 in. x 15 in. x 16 in. (17.8 cm x 38.1 cm x 40.6 cm) and must be placed under the seat.

How Do I Make the Most of My Personal Item Space?

The best way to maximize your free baggage allowance is to wear some of your heavier or bulkier clothing as you go through the gate, and place your essentials within your carry-on and personal item.

Take a coat with wide pockets if you’re really looking to make the most of your hard-earned cash!

This will give you more room to pack essentials for your trip.

Allegiant Carry-on Policy

In addition to your personal item, Allegiant allows one carry-on bag (such as a roll-aboard or garment bag) that must fit in the overhead bin.

  • Maximum size is 9 x 14 x 22 inches (22.9 x 35.6 x 55.9 cm).

Allegiant Liquids Policies

Like all other airlines in the US, liquids are allowed in your personal item in containers of less than 3.4 oz (100 ml).

They must be placed in a transparent, quart-sized bag.

For further information, please visit the TSA website  page covering liquids, gels, and aerosols in more detail.

How Strict Is Allegiant with Its Personal Item? (Reddit Insights)

To avoid any inconvenience, we recommend investing in a fully compliant bag and sticking within the limits.

Try wearing some of your heavy clothing as you go through the gate, and you’ll be surprised how much you can fit into a bag this size.

That said, if you’ve already got a soft-sided bag that’s just over the limits you should be fine.

Screenshot from Reddit discussing Allegiant Air's strict personal item size policy, with user queries and advice on bag dimensions.

Final Thoughts

Allegiant is stricter than some airlines when it comes to their size of personal items.

To skip any extra fees, always remain under the 7 x 15 x 16 inch (17.8 x 38.1 x 40.6 cm) cutoff.

A small backpack, purse, or briefcase that you can fit under the seat is best. This will save you from surprises at the gate.

If you need additional space, it is better to pre-purchase a carry-on or checked bag than to risk paying oversized luggage charges.

By a little bit of planning, you can make the most of your Allegiant’s baggage policy and enjoy a more streamlined travel experience.

I hope this helps

Happy travels

FAQs on Allegiant Personal Items and Carry-On Bags

Does Allegiant have a weight limit on personal items or carry-on bags?

No, there is no required weight limit. Just make sure you can safely lift and store your bag in the overhead bin if needed.

Can I put my personal item under the overhead bin?

No, personal items are meant to be stored under the seat in front of you. Only carry-on bags are placed in the overhead bin.

How much does Allegiant regulate carry-on weight?

There is no official printed weight limit, but gate agents may check to ensure your bag is not too heavy to handle safely.

Should I attempt to fly with an oversize carry-on?

It’s not recommended. Oversize carry-ons may be reclassified as checked baggage and could incur higher fees.

How much do Allegiant’s baggage fees charge?

Fees vary depending on whether you pay online, at the airport, or at the gate. Purchasing online in advance is usually the cheapest option.

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