Frontier Airlines is among the carriers renowned for offering inexpensive tickets. Travelers, however, should be aware of its specific baggage allowance rules. According to the Frontier Airlines Baggage Allowance 2025 terms, carry-on as well as checked bags are charged separately. 1 complimentary personal item like a tiny backpack is included in every ticket. Nevertheless, there are certain restrictions on both checked and carry-on luggage. If these limits are surpassed, then there can be further costs. To avoid these expenses, it is suggested to abide by all the rules of baggage policy of this airline in advance. Accordingly, when necessary, purchase extra baggage allowance online to receive some discounts.
Frontier Airline Carry on Baggage Allowance
Travelers can bring 1 personal item on board. This consists of a briefcase, diaper bag, computer bag, handbag, totes, or children’s backpack. The maximum dimensions of a personal item, including handles, straps, and wheels, is 14” H* 18” W* 8” D.
In addition to this, a traveler can bring 1 carry-on luggage on board. This includes a compact suitcase, wheeled luggage, a big backpack, or a tiny duffel bag. Frontier Airlines allows a maximum of 24″ H* 16″ W* 10″ D in carry-on luggage. Additionally, the combined weight of the handles, wheels, and straps is less than 35 lbs.
What is Frontier Airlines Checked Baggage Allowance?
The maximum Frontier Airlines international baggage allowance is 62 linear inches. Furthermore, the maximum amount of checked baggage should be forty pounds. Additional fees will apply for bags weighing 41 to 100 pounds. Overweight bags will incur an extra fee for bags that are beyond these restrictions. Further, each oversized luggage will incur a separate cost. Furthermore, Frontier Airlines does not permit luggage that weighs more than 110 pounds.
Note: Bags longer than 110 linear inches will not be accepted as per the rules of Frontier Airlines baggage allowance 2025.
Is Smart Luggage Allowed on Frontier Airlines Flights?
Smart bags are usually hard-shell cases with integrated electronics for 1 or more uses. The batteries that power these bags are lithium-ion (Li-ion). Considering these, for the sake of everyone’s safety, including the workers, Frontier Airlines does not permit smart bags on its airplanes in the circumstances listed below.
- When it is impossible to take the battery out of the bag.
- In case the battery has more than 100 watt-hours.
- When there are indications of any damage or flaw in the battery.
To guarantee the battery is handled and transported safely, it is important to specify the battery’s type and size when checking in. The following guidelines are applicable for taking the battery on board:
- Before boarding the flight, the battery needs to be taken out.
- After being taken out, the battery needs to be put safely inside a carry-on luggage.
- Prior to the battery is put inside a carry-on bag, it must be secured from short circuits by being in its:
- Taping over exposed terminals to insulate the terminal
- Original retail packaging
- Being in a separate plastic bag or protective pouch
What is the Frontier Airlines Baggage Allowance for Children?
As long as the children are between 7 days and 2 years old, Frontier Airlines permits them to fly freely on an adult’s lap. According to the rules of Frontier Airlines international baggage allowance, for infants, travelers can bring a second complimentary personal item on flights. This is inclusive of a diaper bag. It should be under 8*8*14 inches.
In addition, infants traveling in strollers are permitted to enter the Frontier boarding gate. Here, this air carrier will provide a complimentary check-in. Ramp agents will return the stroller to fliers so that they can use it at the airport when they get there.
The following items are free to bring on board as well:
- CRS or Child Restraint System: Infant and child restraint systems that have been authorized for use on airplanes are accepted by Frontier Airlines. With some special guidelines of Frontier Airlines baggage allowance 2025, it must fit into the appropriate airplane seat with the armrest down.
- Child Harness: Frontier Airlines allows the FAA-approved AMSafe Aviation C.A.R.E.S child harness equipment on board. It is intended for kids who weigh between 22 and 44 pounds (10 to 20 kg). In addition, it needs to be marked “FAA Approved in accordance with 14 CFR 21.305(d) approved for airplane use only.
- Car Seats: A child or kid between the ages of seven days and 2 years can use a car seat on Frontier Airlines flights. However, this is possible when there is enough room in the seat. The car seat can be utilized by any child with a separate seat.
To utilize a car seat while flying, the following rules of Frontier Airlines international baggage allowance is a must:
- It must have manufacturer labels indicating permission for use in aircraft.
- The seat and back should be strong.
- To secure the infant in the car seat, the restraining straps must be fastened.
- The child’s weight is limited by the car seat.
- It is not possible to place it on the seats using an:
- Airbag seatbelt affixed
- The emergency exit rows
- The seats are directly in front of or behind the exit rows.
- Car seats are best placed in window seats or exit down the aisle, which allows fliers to move freely.
- Other seat arrangements are allowed as long as the car seat does not block any passenger’s ability to exit.
- It must always be fastened with a seat belt.
Booster Seats: According to the Frontier Airlines baggage allowance 2025, Booster seats are allowed on airplanes. However, during takeoff and landing, they must be stored beneath the seat or in an overhead compartment. A flier is permitted to utilize the seat during the trip. Further, when the airplane starts to descend, the booster seat needs to be stowed.
Are Pets Permitted on Frontier Airlines Flights?
For a one-way transportation charge, domesticated dogs, cats, rabbits, guinea pigs, hamsters, or small home birds can be transported on Frontier flights inside the United States of America. As per the Frontier Airlines international baggage allowance regulations, the pet must always remain in its travel container for safety reasons.
According to CDC regulations, only service animals are permitted in the cabin while traveling internationally. The following are the allowances for pet travel containers:
- A hard-sided pet container’s maximum measurements are 8*14*18 inches.
- 18 inches in length, 14 inches in width, and 11 inches in height are the maximum measurements for a soft-sided pet container.
- Frontier Airlines advises using soft-sided cases for all containers.
- Fliers are permitted to bring a carry-on bag or a personal item in addition to their pet travel containers.
- There will be an extra charge for the carry-on bag.
Note: Further, pets are not permitted to be checked luggage.
What is Baggage Allowance for Frontier Bundles?
Different packages with varying baggage limitations are available on Frontier Airlines. Other bundles may have little or no checked luggage, but the WORKS bundle comes with a personal item, a carry-on bag, and checked baggage. Passengers can avoid unforeseen costs by planning and preparing for their journey by being aware of the precise Frontier Airlines baggage allowance for Bundles.
| Type of Bag | Basic Fare | Premium Bundle | Economy Bundle | Business Bundle |
| Personal item | Included | Added | Included | Added |
| Carry-on luggage | Accessible for buying | Included | Added | Included |
| Checked baggage | Purchasable | Accessible for buying | Purchasable | Added (2 bags each weighing up to 50 lbs) |
Does Frontier Airlines Charge for Extra Baggage Allowance?
There is a fee for additional baggage allowance with Frontier Airlines. Oversize as well as overweight bags may incur different surcharges.
- Fees for Oversize Checked Baggage: Each bag, which ranges in length from 63 to 110 linear inches, costs 75 USD. This cost is non-refundable.
- Cost for Overweight Luggage: Each overweight piece of luggage costs between $75 and $100. It will also cost 75 USD for each bag that weighs between 41 and 50 pounds.
More costs charged for extra Frontier Airlines baggage allowance 2025 are mentioned below:
- Additionally, luggage measuring 51 to 100 pounds will cost USD 100 each.
- For antlers, USD 100 can be levied per bag.
- Allowance for bicycles can be purchased for $75 per luggage and per trip.
How to Purchase Extra Baggage Allowance on Frontier Airlines?
To purchase an extra Frontier Airlines international baggage allowance, fliers can come to the particular airport. Or, they can opt to do the same via the official website of this air carrier. For the same, it is vital to follow some steps by adding the required flight information.
The following are the steps to abide by for purchasing an extra bag allowance on this airline:
- Open the official website of Frontier Airlines.
- To access the booking itinerary, log in to the “My Trip/Check-in” option.
- Enter information like “Last Name” and “Confirmation Code”.
- It will show the “Manage My Booking” page.
- Click the “Add Baggage “ feature at the top of the page to buy an extra allowance.
- Follow the further steps as directed on the screen to purchase an extra Frontier Airlines baggage allowance 2025.
Note: Via online procedures, passengers may save money than at the airport.
Frontier Airlines Baggage Allowance for Military Members
1 complimentary personal item is allowed to Military members on board. They are also allowed to bring a free carry-on bag. Further, 2 complimentary checked bags are permitted. All luggage must adhere to the weight and dimension restrictions specified by the baggage acceptance policies.
Note: Overweight and oversized baggage penalties are waived for military members.
How to Include Military Bags?
Military members can include extra Frontier Airlines international baggage allowance at the airport or check-in gate. Here, they must show a legitimate, unexpired U.S. Government Common Access Card (CAC) with uniformed facilities or academy connection or an Armed Forces of the United States Identification Card with an active duty, reserve, guard, or academy affiliation. For the same procedure, there are no fees charged.
Frontier Airlines Allowance for Special Assistance
Scooters, wheelchairs, i.e. electric/manual, and other mobility aids are permitted objectives to be transported on Frontier Airlines planes in the passenger cabin or cargo area at no cost. The passenger compartment can accommodate up to two wheelchairs, depending on space. The aircraft’s cargo compartment will be used to store any extra wheelchairs.
Further, wheelchairs are not allowed in the cabin when they are more than 40 inches high by 13 inches broad by 50 inches long. Additionally, according to the Frontier Airlines baggage allowance 2025 guidelines, the weight should not exceed 70 pounds.
Batteries for Mobility Aids and Wheelchairs
The cargo compartment will be used for mobility devices that are battery-operated and registered at the ticket counter or gate. In certain circumstances, the customer’s wheelchair or other mobility device’s battery may be removed as well as to package the battery independently. Also, it is important to label and/or provide comprehensive disconnection and reconnection instructions for easily reattaching the battery.
Moreover, to guarantee the battery is handled and transported safely, it is vital to specify the battery’s type and size when checking in. To be used in an airplane, batteries must be free of flaws, corrosion, and leaks.
Wheelchair battery types and their restrictions are shown below:
- Wet Cell or Spillable Batteries: It is not permitted to have an extra spillable battery as per the rules of Frontier Airlines international baggage allowance.
- Dry Cells/AKA Gel or Non-Spillable Batteries: In the cargo area, 1 extra non-spillable battery is permitted.
- Batteries with Lithium-Ion: The primary lithium-ion battery has a maximum capacity of 300 watt hours (Wh). Fliers can bring the primary lithium-ion batteries that they took out of their wheelchair or mobility assistance. Onboard, a maximum of 2 extra batteries of <160 WH each or 1 spare battery of <300 WH is permitted. Every battery that is brought on board needs to be safely stored in a carry-on bag.
- Batteries Made with Lithium Metal: According to the guidelines of the Frontier Airlines baggage allowance 2025, Lithium metal batteries are prohibited on every airplane.
Check Here: Frontier Cancellation Policy & Frontier Seat Selection
Conclusion,
The rules of Frontier Airlines baggage allowance 2025 are simple yet differ according to the type of ticket. Based on the same, passengers are allowed to bring 1 personal item free of charge, while carry-on, as well as checked luggage, have additional costs that rise with size and weight. Therefore, it is crucial to prepare, follow size guidelines, and pay for luggage in advance to avoid excessive expenses.
Frequently Asked Questions on Frontier Airlines Baggage Allowance 2025
On domestic flights in the United States, fliers who are 18 years of age or older can bring weapon components and ammunition in checked luggage with certain special instructions. However, they are not permitted to bring on board.
On the official website of Frontier Air, passengers can increase or upgrade the weight of their checked bag from 41 to 50 pounds and 51 to 99 pounds.
Generally, Frontier Airlines does not allow pets as checked luggage. Instead, these can be brought as carry-on luggage with the standard allowance set forth by this air carrier.
Carry-on luggage on Frontier Air flights is permitted for formula, breast milk, toddler drinks, and baby/toddler meals in amounts exceeding 3.4 ounces or 100 millimeters.
In general, medical oxygen cylinders, whether compressed or liquified, are not permitted by Frontier Airlines on board or in checked baggage.
Personal item only (free): Max 14 x 18 x 8 in (must fit under seat).
Carry-on bag: Requires paid “Carry-On Baggage” add-on (max 24 x 16 x 10 in).
Online pre-purchase: $35–$60.
Airport purchase: $60–$99 (higher at gate).
No free checked bags on standard fares. Fees apply: First bag: $38–$65 (online) | $55–$85 (airport).
Second bag: $45–$75 (online).
Max 40 lbs (18 kg) | 62 linear inches (158 cm).
Overweight (41–99 lbs): $75–$100 extra.
Yes! Counts as checked baggage (standard fees apply).
Bicycles: $75 (must be boxed, ≤ 50 lbs).
Strictly 14 x 18 x 8 in (36 x 46 x 20 cm). Oversized items incur $99 gate fee.
1 stroller + 1 car seat per child fly free.
Book “The WORKS” bundle (includes carry-on + checked bag).
Elite Status members get free carry-on/checked bags.
Oversized (63–80 in): $75–$150.
Over 99 lbs: Not accepted.
Yes! Cheapest when added during initial booking (up to 70% off gate prices).