Personal Item
18 x 14 x 8 in
- Fare type
- Check ticket
- Weight
- Max 35 lb
- Storage
- Under seat
Frontier Airlines
F9Source checked
Frontier Airlines carry-on and personal item size limits
Check published Frontier Airlines baggage dimensions, fare notes, weight limits, source links, and last checked dates before you fly.
Quick baggage answer
Frontier Airlines rules, visually summarized
Review the fare label, measurement limit, and official source date together. Your ticket controls the final allowance.
Check fare
Carry-on
24 x 16 x 10 in
- Fare type
- Check ticket
- Weight
- Max 35 lb
- Storage
- Overhead bin
Check your bag for Frontier Airlines
Airline limit
18 x 14 x 8 in
Frontier Airlines · Personal Item
Official airline sourceSource checked · Sep 13, 2026
Enter dimensions to check
Add your packed bag dimensions to compare them with this airline rule.
Fare type notes
Some airlines include only a smaller underseat item with basic fares. Larger cabin bags can require a paid bundle, priority service, or eligible ticket.
How strict is Frontier Airlines?
Frontier Airlines publishes 24 x 16 x 10 in for the cabin bag, and at the gate the sizer frame decides — not your tape measure. CabinFit does not publish an enforcement score; a bag within 1 cm of any limit leaves almost no packing margin. Hard shells can't squeeze and soft bags bulge once packed — leave yourself a margin.
Policy highlights
What to watch for on Frontier Airlines
Review the fare label, measurement limit, and official source date together. Your ticket controls the final allowance.
dimensions
Underseat item
Frontier Airlines publishes 18 x 14 x 8 in as the physical personal item limit; it has to fit under the seat in front of you. This describes size and storage only, not ticket entitlement. Max 35 lb.
dimensions
Overhead cabin bag
Frontier Airlines publishes 24 x 16 x 10 in as the physical carry-on limit; it goes in the overhead bin. This describes size and storage only, not ticket entitlement. Max 35 lb.
source
Source snapshot
We last checked Frontier Airlines's published limits against Frontier bag options on Sep 13, 2026. If you booked a different fare or your route changed since then, open the linked source for the current rules.
context
Airline context
Frontier Airlines is a low-cost carrier based in United States. Like most low-cost carriers, the free allowance is usually just the underseat bag — the larger cabin bag is often a paid add-on, so match your bag to your exact fare before you get to the gate.
Special travel items
Pets, family gear, batteries, and equipment
Only source-backed policies are expanded. Missing categories stay in a compact review state instead of being presented as airline facts.
Source-backed categories
0/6
No reviewed extra-item policies yet
CabinFit has not reviewed these specific policies for Frontier Airlines. Use the official source and do not rely on generic category guidance.
Open official sourcePersonal Item
18 x 14 x 8 in
- Fare type
- Check ticket
- Weight
- Max 35 lb
- Storage
- Under seat
- Confidence
- High
Published limit is 18 x 14 x 8 inches and 35 lb. Include handles, wheels and straps; the item must fit fully within the sizer.
This allowance may depend on fare type, route, aircraft, cabin, or ticket conditions. Verify your ticket and the official airline page before travel.
Source checkedSep 13, 2026
Official Frontier Airlines sourceCarry-on
24 x 16 x 10 in
- Fare type
- Check ticket
- Weight
- Max 35 lb
- Storage
- Overhead bin
- Confidence
- High
Published limit is 24 x 16 x 10 inches and 35 lb, including handles, wheels and straps.
This allowance may depend on fare type, route, aircraft, cabin, or ticket conditions. Verify your ticket and the official airline page before travel.
Source checkedSep 13, 2026
Official Frontier Airlines sourceAirline baggage comparison
Frequently asked
Frontier Airlines publishes 18 x 14 x 8 in as the physical size limit. This does not confirm ticket entitlement; check whether the bag is included with your fare.
Frontier Airlines publishes 24 x 16 x 10 in as the physical size limit. This does not confirm ticket entitlement; check whether the bag is included with your fare.
Frontier Airlines publishes 18 x 14 x 8 in for the personal item, which rides under the seat in front of you, and 24 x 16 x 10 in for the carry-on, which goes in the overhead bin. Your fare decides whether one or both are included.
No. CabinFit compares your measurements with the limits Frontier Airlines published (Frontier bag options, last checked Sep 13, 2026). Gate staff, fare conditions, and aircraft changes can still affect the final decision — keep a margin and open the official page before you fly.
CabinFit has not verified Frontier Airlines's cabin policies for pets, instruments, or sports equipment yet, and it will not invent them. Use the official Frontier Airlines baggage page linked above for those rules.