Frontier Personal Item Size Guide: Everything You Need to Know
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Flying with Frontier Airlines? Understanding their baggage policy can save you from unexpected fees and travel hassles. As an ultra-low-cost carrier, Frontier has strict regulations for personal items and carry-on bags. This guide will help you navigate those rules and maximize your packing efficiency while recommending UUH Luggages, an ideal travel companion.
Frontier Airlines: A Budget-Friendly Airline with Strict Baggage Rules
Frontier Airlines is known for offering affordable flights across the U.S. and beyond. However, their low fares come with additional fees for carry-ons and checked bags. To avoid extra charges, it’s essential to understand their baggage rules in detail.
Personal Items on Frontier Flights: What You Can Bring for Free
What Qualifies as a Personal Item?
Each passenger is allowed one free personal item that must fit under the seat in front of them. According to Frontier’s policy, the maximum size for a personal item is:
- Height: 14 inches (35.5 cm)
- Width: 8 inches (20.3 cm)
- Length: 18 inches (45.7 cm)
These dimensions include handles, wheels, and straps. Any item exceeding these measurements will be considered a carry-on and subject to a fee.
Examples of Acceptable Personal Items
- Small backpacks
- Laptop bags
- Purses
- Briefcases
- Diaper bags
For travelers looking for a personal item that fits within these guidelines, UUH Luggages' compact travel bags are a great choice. They are designed to fit under airline seats while providing ample storage space.
What Happens If Your Personal Item Is Too Big?
If your personal item exceeds the allowed dimensions, you will be required to pay for it as a carry-on, which can be expensive. To avoid this, always measure your bag before heading to the airport.
How Strict Is Frontier Airlines With Personal Items?
Frontier Airlines is known for being very strict with personal item sizes. Agents often check bag dimensions at the gate, and if your bag doesn’t fit within their sizer, you’ll have to pay extra.
Maximizing Your Personal Item Space
Smart Packing Tips for Your Personal Item
To get the most out of your personal item space:
- Use packing cubes to organize essentials.
- Choose a bag with multiple compartments for easy access.
- Wear bulkier items like jackets instead of packing them.
- Opt for travel-size toiletries to save space.
- Roll clothes instead of folding them to maximize space.
- Use a lightweight bag to avoid extra weight.
Best Personal Item Bag: Why UUH Luggages is Ideal
UUH Luggages offers:
- Durable, lightweight designs
- Smart compartments for efficient organization
- TSA-friendly laptop sleeves
- Expandable sections for extra packing flexibility

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Carry-On Bags: What You Need to Know
Frontier’s Carry-On Size Restrictions
Unlike personal items, carry-on bags must be paid for and adhere to the following size limits:
- Height: 24 inches (61 cm)
- Width: 16 inches (40.6 cm)
- Depth: 10 inches (25.4 cm)
Carry-On Fees: When to Pay for the Best Price
Frontier charges fees for carry-on baggage, which vary based on when you pay:
- At booking: $35–$45
- During online check-in: $50–$55
- At the airport: $60+
Booking your carry-on in advance can save you money. If you want to avoid these fees, consider packing all essentials in your personal item.
Can You Bring a Carry-On for Free?
No. Unlike major airlines, Frontier does not include a free carry-on in its base fare. You must pay for it separately.
Checked Baggage: An Alternative to Carry-On
Checked Bag Size and Weight Limits
Frontier allows checked bags with a maximum size of 62 linear inches (height + width + depth) and a weight limit of 50 lbs (22.7 kg).
Checked Baggage Fees
- Pre-booked online: $40–$55
- At the airport: $60+
- Oversized or overweight bags: Additional $75 fee
For longer trips where a checked bag is necessary, UUH Luggages' large suitcases are designed to meet airline standards while maximizing space.
Recent Promotions and Changes in 2025
In response to Southwest Airlines discontinuing its free checked bag policy starting May 28, 2025, Frontier Airlines has introduced a limited-time promotion:
- Economy Bundle: For bookings made by March 24, 2025, for travel between March 18 and August 18, 2025, passengers receive a free carry-on bag, seat selection, and free flight changes.
- Free Checked Bag Offer: Passengers flying between May 28 and August 18, 2025, can use the promo code "FREEBAG" at booking to receive one free checked bag.
How to Avoid Extra Baggage Fees on Frontier
- Stick to the personal item size limit.
- Book baggage in advance to avoid higher airport fees.
- Weigh and measure bags at home to prevent surprises.
- Use lightweight luggage like those from UUH Luggages.
- Utilize Frontier’s Bundles, which sometimes include baggage.
Conclusion: Travel Smart with Frontier Airlines
Frontier Airlines’ baggage policies are strict but manageable if you plan accordingly. By choosing a well-designed personal item bag like those from UUH Luggages, you can maximize your free allowance and avoid costly fees. Smart packing and strategic booking will ensure a smooth and budget-friendly trip.
FAQs
Can I bring a backpack as my personal item on Frontier Airlines?
Yes, as long as it fits within 14" x 8" x 18". Small backpacks work well as personal items.
What happens if my personal item is too big?
Frontier will charge you a carry-on fee if your bag exceeds personal item dimensions.
How strict is Frontier with personal item sizes?
Frontier is known to enforce size limits strictly, so measure your bag before heading to the airport.
Is it cheaper to pay for baggage online or at the airport?
Online pre-booking is always cheaper than paying at the airport.
What if I bring an extra bag to the gate?
You will be charged extra if you bring an additional bag beyond your personal item.