Allegiant Air Baggage Rules: Carry-On & Checked Bags Made Easy
Allegiant Air works a little differently when it comes to carry-on and checked in baggage policy. You can get the tickets at the cheaper rates,
but for baggage you mostly have to pay extra. You can save your extra time and money if you just know the basics of Allegiant Air Baggage Policy.
In this guide everything is covered for you that can provide you with a great travelling experience.
Carry-on bags are not free on Allegiant Air. You must pay for them in advance or at the airport. Buying early is cheaper.
Carry-On Allowance
- 1 carry-on bag (if purchased)
- Stored in the overhead bin
Carry-On Size
- Maximum size: 22 × 14 × 9 inches
- Wheels and handles count
If your bag is too big, it will be checked and may cost more.
Prohibited Item in Carry On
Corrovives
Explosives
Flammable Liquids
Firerams (Undecared)
Blunt
Liquids > 100ml
Poisons / Toxics
Sharp Objects
Tools
Carry-On Weight
Allegiant does not clearly publish a carry-on weight limit. However, your bag must fit in the overhead bin without assistance.
If it appears heavy or bulky, staff may gate-check it.
What You Can Bring Onboard
You can pack:
- Clothes
- Electronics and chargers
- Books
- Snacks
- Medicines
You cannot pack:
- Sharp objects
- Flammable items
- Large liquid containers
Security rules still apply.
Liquid Rules
Allegiant follows TSA liquid rules.
- Liquids must be 100 ml (3.4 oz) or less
- Use one clear quart-size bag
- One liquid bag per passenger
Liquids over the limit must be placed in checked baggage.
Personal Item (Free)
This is the only free bag on Allegiant Air. You can bring one personal item onboard at no cost.
Examples include:
- Small backpack
- Purse or handbag
- Laptop bag
Personal Item Size
- Must fit under the seat in front of you
- Maximum size: 16 × 15 × 7 inches
If your personal item is larger than this, Allegiant will charge you.
Checked bags are not included in most Allegiant fares. You pay per bag, per flight.
Checked Bag Size
- Maximum size: 80 inches (L + W + H)
Checked Bag Weight
- Maximum weight: 40 lbs (18 kg)
This is lower than most airlines, so pack carefully.
Checked Bag Fees
Fees vary by route and when you pay.
General rules:
- First checked bag: paid
- Second checked bag: more expensive
- Airport payment costs the most
Always add bags online if possible.
Prohibited Item in Check-In
Corrovives
Explosives
Flammable Liquids
Poisons / Toxics
Overweight and Oversized Bags
Extra charges apply if:
- Your bag weighs more than 40 lbs
- Your bag exceeds size limits
Very heavy or oversized bags may not be accepted at all.
Traveling With Children
Allegiant is fairly family-friendly.
Lap infants:
- Do not get their own baggage allowance
Parents can bring:
- Diaper bag
- Baby food and formula
- Medicines
These are usually allowed without extra charges.
Strollers and Car Seats
Good news here.
- One stroller per child is checked free
- One car seat per child is also free
You can check them:
- At the ticket counter
- Or at the gate
Small strollers may return at the gate. Larger ones go to baggage claim.
Sports Equipment
Allegiant allows sports items like:
- Golf clubs
- Skis
- Snowboards
These count as checked bags and must meet size and weight limits. Extra fees may apply.
Musical Instruments
Small instruments can be carried onboard if:
- They fit under the seat or overhead bin
Larger instruments:
- Must be checked
- Or need a paid seat
Check this early to avoid issues.
Check-In Options
You can check in:
- Online
- On the Allegiant app
- At the airport
Airport check-in may come with extra fees, so online is better.
Carry-On or Checked Bag?
| Carry it if: | Check it if: |
| • It’s small | • It’s heavy |
| • It fits under the seat | • It’s bulky |
| • You want to avoid bag fees | • It has liquids |
Planning ahead saves money with Allegiant.
Why Allegiant’s Baggage Rules Matter
Allegiant’s low fares only stay low if you pack smart.
- Most bag fees:
- Increase at the airport
- Are non-refundable
Measure your bags at home and buy add-ons early.
Frequently Asked Questions (FAQs)
Is any baggage free on Allegiant Air?
Yes. One small personal item is free.
What is the personal item size?
16 × 15 × 7 inches.
Checked bag weight limit?
40 lbs (18 kg).
Is it cheaper to pay for bags online?
Yes. Airport fees are higher.
Is carry-on free on Allegiant?
No. Carry-on bags cost extra.
Carry-on size limit?
22 × 14 × 9 inches.
Are strollers free on Allegiant?
Yes. One stroller and one car seat per child are free.
