Before you start packing for your Allegiant flight, it’s important to familiarize yourself with their carry-on requirements to avoid any last-minute charges at the airport.
Allegiant Air is slightly lenient with its carry-on size limits, meaning you may still be able to take your carry-on suitcase even if it is slightly above the size restrictions.
It is always best to stay within the airline’s size limits to avoid any inconvenience or additional charges at the airport.
Keep reading to learn more about Allegiant’s carry-on luggage restrictions, size and weight limits, fees, liquid rules, and restricted or prohibited items.
How Strict Is Allegiant With Carry-on Size?
Unlike many other airlines, Allegiant is not very strict about carry-on size and weight.
Allegiant Air has a generous allowance for carry-on bags; however, that does not guarantee they won’t check your suitcase dimensions before boarding. (As you will see in the screenshot below.)
To avoid issues, ensure that your carry-on is not too large and does not exceed Allegiant’s luggage size and weight limits.
Allegiant Air Carry-on Size Requirements
- Carry-on bag: 9 x 14 x 22 inches (22.9 x 35.6 x 55.9 cm)
- Personal item: 7 x 15 x 16 inches (17.8 x 38.1 x 40.6 cm) (Must fit under the seat in front of you.)
In addition to one carry-on bag, you can also bring one personal item free of charge.
Allegiant Air Carry-on Fees
Allegiant’s carry-on costs vary depending on your flight route and whether you pay online or at the airport.
Approximate fees:
- Pre-booked: $10-$75
- At the airport: $50-$75
- Oversized carry-on: $50-$75
Lap Infant Carry-on
- 1 diaper bag: An additional item is allowed on the aircraft, in addition to the free baggage allowance.
Stroller Check Policy
Each fare-paying passenger is allowed to take one car seat and/or stroller to the boarding gate to be checked free of charge.
It’s always cheaper to pay for your baggage online rather than at the airport. If you already have a flight booked, you can use the “Manage My Booking” service online.
Haley was unhappy with Allegiant because they made her pay $30 and gate-checked her bag, even though her aunt had the same-sized bag.
The Allegiant Air customer service did not provide her with an explanation.
What Happens If You Show Up With an Oversized Carry-on?
It’s always advisable to check the exact size of your suitcase before your flight.
A slightly oversized bag may be allowed on board if you encounter a lenient airline clerk.
If your carry-on is too large, you will likely be required to check it at the gate.
If your bag is significantly oversized, it will not fit in the overhead compartment or under the seat in front of you.
Additionally, it may pose a safety risk by obstructing movement in case of an emergency.
If you plan to take the risk, using a soft-sided bag is a better option since it can be squeezed into the luggage sizer, overhead compartment, or under the seat.
Does Allegiant Check Carry-on Bags?
Allegiant Air has baggage sizers at the airport, and most of the time, you will need to place your suitcase inside for measurement.
- If your suitcase is slightly bigger, you may not face any issues.
- If your suitcase is too large, you will be required to check it in.
Best Carry-on Bag for Allegiant Air
A suitcase that adheres to Allegiant’s carry-on size limit of 22″ x 14″ x 9″ (55 x 35 x 22 cm) is the best choice.
This size also works for most U.S. airlines like United, American and JetBlue .
If you frequently fly internationally, you may want to opt for a 20-inch carry-on or a 24-inch checked bag to avoid issues when boarding.
Allegiant Air Checked Luggage Policy
Allegiant allows passengers to check up to 4 bags.
Each checked bag can weigh up to 40 lbs (18 kg).
Checked Baggage Fees:
- Online (1-4 bags): $18-$41 each (varies by route)
- Pre-departure (1-4 bags): $45 each
- At the airport (1-4 bags): $50 each
Avoid placing valuables or expensive items in checked luggage, as they may get damaged or lost.
Overweight Baggage Fees:
- 40-70 lbs (18-32 kg): $50
- 71-100 lbs (32-45.4 kg): $75
- Oversized bags (over 80” linear dimensions): $75
Final thoughts
Allegiant is slightly lenient about its carry-on size limits.
While they may check your bag dimensions, they do not inspect each single suitcase.
Some travelers may bring oversized bags without issue, but that does not guarantee your bag will be exempt from being checked.
Frequently Asked Questions
A carry-on bag on Allegiant Air must not exceed 22” x 14” x 9” (55 x 35 x 22 cm). A personal item, which is included in your booking, must not exceed 15” x 16” x 7” (38 x 40 x 17 cm) and must fit under the seat in front of you.
Allegiant charges passengers for carry-on bags. If you add a carry-on at the time of booking, the cost ranges from $18-$35 depending on your destination. If you purchase it between booking and departure, the fee is $45. At the airport ticket counter, the cost is $50, and at the gate, it can go up to $75. Allegiant does not charge for a personal item.
Checked baggage fees depend on when and where you purchase them. If you add 1-4 checked bags at the time of booking, you will pay between $18-$41 per bag, depending on the route. If you add bags between booking and departure, the cost is $45 per bag, and at the airport, it increases to $50 per bag.
If your bag exceeds Allegiant’s weight limit of 40 lbs (18 kg), excess baggage charges will apply. A bag weighing 40-70 lbs (18-32 kg) will incur a $50 fee, while a bag weighing 71-100 lbs (32-45.4 kg) will incur a $75 fee. If your bag exceeds 80 linear inches in combined height, width, and length, you will be charged an oversized baggage fee of $75.
Yes, a backpack can be considered a carry-on item as long as it does not exceed 22” x 14” x 9” (55 x 35 x 22 cm). If your backpack is larger than these dimensions, you will need to check it in and pay the applicable fee.
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