F9 · United States · Ultra low-cost
Frontier Airlines Carry-On Size 2026 24 x 16 x 10"
By Caden SorensonVerified Oct 2026Sourced from the official Frontier Airlines policy
Exact Frontier Airlines carry-on dimensions, weight limits, and fees for 2026.
Quick answer
The free cabin bag on Frontier Airlines is one personal item up to 18 x 14 x 8" (45.7 x 35.6 x 20.3 cm) that fits under the seat in front of you, included on every fare. A full-size overhead carry-on up to 24 x 16 x 10" (61 x 40.6 x 25.4 cm) costs extra, at a price that varies by flight, or comes with a higher fare. Its weight limit is 16 kg (35 lb).
- Carry-on size: up to 24 x 16 x 10" (61 x 40.6 x 25.4 cm)
- Weight limit: 16 kg (35 lb)
- Carry-on fee: paid, varies by flight
- Personal item: up to 18 x 14 x 8" (45.7 x 35.6 x 20.3 cm), free on every fare
- Gate-check risk: High
- Last verified: Oct 2026
Carry-On Bag
- Max dimensions (in)
- 24 x 16 x 10"
- Max dimensions (cm)
- 61 x 40.6 x 25.4 cm
- Weight limit
- 16 kg (35 lb)
- Fee
- Paid, varies by flight
- Gate-check risk
- High
Carry-on is not included on the Basic fare and is priced dynamically in Frontier's Bag Price Checker; it is cheapest when added at booking and most expensive at the airport. The Economy, Premium, and Business bundles include a carry-on, and Elite members can bring one free. Max 24 x 16 x 10 in and 35 lb including handles, wheels and straps.
Personal Item
- Max dimensions (in)
- 18 x 14 x 8"
- Max dimensions (cm)
- 45.7 x 35.6 x 20.3 cm
- Included
- Yes, free
- Weight
- 15.9 kg (35 lb)
Included free. Must fit fully inside the gate sizer or you will be charged as a carry-on.
See checked bag fees & moreDoes your bag fit on Frontier Airlines?
Alliance and loyalty
- Alliance
- None
- Loyalty program
- Frontier Miles
Frontier Airlines carry-on dimensions and bag size
The maximum Frontier Airlines carry-on size is 24 x 16 x 10 inches, which works out to 61 x 40.6 x 25.4 cm. These measurements include wheels, handles, and any external pockets, so a bag marketed as "22 inch" can go over if its wheels push the total past 24 inches. Always measure your bag packed, not empty.
Frontier Airlines carry-on weight limit
Frontier Airlines limits carry-on bags to 16 kg (35 lb).
Does Frontier Airlines charge for carry-on bags?
Yes. Frontier Airlines charges for carry-on bags on most fares, with a price that varies by flight and is lowest when added at booking. Fees climb at every stage: online, airport kiosk, ticket counter, gate. The personal item stays free on every fare. A carry-on is not included on the Frontier Airlines Basic fare.
What bags fit as a Frontier Airlines personal item
Common bag types compared against the Frontier Airlines personal item limit. Sizes are typical retail dimensions and vary by brand.
| Bag type | Typical size | On Frontier Airlines |
|---|---|---|
Standard backpack Everyday daypack, laptop backpack | 18 x 13 x 8" | Fits |
Tote bag Canvas or leather tote | 15 x 14 x 5" | Fits |
Laptop bag Messenger or slim briefcase | 16 x 12 x 4" | Fits |
Small duffel Gym or weekender | 18 x 11 x 11" | Too big |
Purse Handbag or crossbody | 12 x 10 x 5" | Fits |
Under-seat roller Mini wheeled bag | 16 x 14 x 8" | Fits |
Frontier Airlines carry-on by fare class
| Fare | Carry-on | Personal item | Notes |
|---|---|---|---|
| Basic | Not included | Included | Cheapest New Frontier fare: personal item only. Carry-on is a paid add-on. |
| Economy | Included | Included | New Frontier Economy bundle: includes one carry-on plus the personal item. |
| Premium | Included | Included | Economy bundle plus Board First (Group 1) for better overhead-bin odds, and no change or cancel fees. |
| Business | Included | Included | Includes the carry-on, personal item, and 2 checked bags at 50 lb each (the +10 lb extra-weight allowance is bundled in), plus an UpFront Plus seat (empty middle or 2x2). |
Frontier Airlines overhead bin size by aircraft
All-Airbus A320 family fleet. Carry-on must be 24 x 16 x 10 inches or smaller and under 35 lbs including handles and wheels. Personal item must be 18 x 14 x 8 inches or smaller. Both sizes are checked at the gate and oversized bags are charged.
Avoiding gate-check on Frontier Airlines
Buy carry-on during initial booking for the cheapest rate. Add Carry-On and Board First to guarantee overhead space and move into Group 1. Paying at the gate is the most expensive path.
What counts as a personal item on Frontier Airlines
Allowed
- Purse
- Tote
- Computer bag
- Briefcase
- Diaper bag
Counts as a second carry-on
- A second full-size backpack
- Any bag exceeding 18 x 14 x 8
Common Frontier Airlines carry-on mistakes
- Ignoring the 35 lb carry-on weight limit, which Frontier actively enforces.
- Buying a carry-on at the gate instead of during booking.
- Confusing Frontier's 24 x 16 x 10 allowance with the more common 22 x 14 x 9 standard.
What happens if your bag does not fit on Frontier Airlines
If overhead space runs out, agents offer valet gate check. If your carry-on was not pre-paid and it does not fit under the seat, Frontier charges a gate-bag fee before accepting it.
Frontier Airlines vs Spirit Airlines carry-on
Frontier and Spirit are ULCC twins. Frontier's taller, narrower carry-on box (24 x 16 x 10) fits more upright roller bags while Spirit (22 x 18 x 10) fits wider bags. Both exclude carry-on from the cheapest fare, and both charge oversized personal item fees at the gate.
See Spirit Airlines carry-on sizeFrontier Airlines checked baggage fees
Standard checked bag limit is 40 lb (18.1 kg) and 62 linear inches. Bags weighing 41-50 lb cost $75 extra per direction; bags 51-99.99 lb cost $129 for bookings on or after April 4, 2026 ($100 before). Bags of 100 lb or more are not accepted. Oversize bags from 63 to 110 linear inches cost $75; larger bags are not accepted. Frontier sells a +10 lb Extra Checked Bag Weight Allowance. Checked bag prices are dynamic and shown only in the Bag Price Checker, cheaper when added at booking. The Economy, Premium, and Business bundles include a carry-on, and the Business bundle adds two checked bags at 50 lb each.
Ways to skip the Frontier Airlines checked bag fee
- Pack carry-on only. Confirm your bag fits the Frontier Airlines carry-on size.
- Check your Frontier Miles status. See whether your tier includes a free checked bag on Frontier Airlines.
Frontier Airlines special items & sports equipment
- Ski / snowboard
- Not published
- Golf clubs
- Not published
- Bicycle
- $100
- Pet in cabin
- $149
- Pet as cargo
- Not published
Musical instruments: Small instruments such as guitars and violins can be carried on at your fare's carry-on price and may exceed carry-on size if they fit in the overhead bin. Larger instruments, such as cellos, must be checked at bag rates.
Most sports equipment is priced as a regular checked bag plus any overweight or oversize fees. Bicycles are a flat $100 per bag per direction for bookings made on or after May 29, 2026 ($75 before), and antlers are $100. Pet-in-cabin fee is $149 per pet, per direction.
Frontier Airlines basic economy restrictions
- Carry-on allowed
- No
- Personal item allowed
- Yes
- Checked bag surcharge
- Not published
- Personal item only (carry-on and checked bag cost extra unless bundled)
- Seat selection costs extra
- No changes or refunds
- All extras priced à la carte
Frequently asked questions
What is the Frontier Airlines carry-on size limit?
The free cabin bag on Frontier Airlines is one personal item up to 18 x 14 x 8" (45.7 x 35.6 x 20.3 cm) that fits under the seat in front of you, included on every fare. A full-size overhead carry-on up to 24 x 16 x 10" (61 x 40.6 x 25.4 cm), including wheels, handles, and any external pockets, costs extra, at a price that varies by flight, or comes with a higher fare. The carry-on weight limit is 16 kg (35 lb).
What are the Frontier Airlines carry-on dimensions in cm?
The Frontier Airlines carry-on size limit in centimeters is 61 x 40.6 x 25.4 cm. Frontier Airlines publishes the inch size as 24 x 16 x 10". Both measurements include wheels, handles, and external pockets.
What is the Frontier Airlines carry-on weight limit?
Frontier Airlines limits carry-on bags to 16 kg (35 lb).
Does Frontier Airlines charge for carry-on bags?
Yes. Frontier Airlines charges for carry-on bags on most fares, with a price that varies by flight and is lowest when added at booking. Fees climb at each stage, from online to kiosk to gate. The personal item stays free on every fare. A carry-on is not included on the Frontier Airlines Basic fare.
What is the Frontier Airlines personal item size?
The personal item on Frontier Airlines must fit within 18 x 14 x 8" (45.7 x 35.6 x 20.3 cm) and slide fully under the seat in front of you. Included free. Must fit fully inside the gate sizer or you will be charged as a carry-on.
Will my bag be gate-checked on Frontier Airlines?
Our guidance rates the gate-check risk on Frontier Airlines as High. It is our own rating, not a figure Frontier Airlines publishes. Plan on your carry-on being sized at the gate and be prepared to pay if it does not fit the sizer.
Can I bring a carry-on on Frontier Airlines Basic?
No. Frontier Airlines Basic passengers are limited to one personal item that fits under the seat. A full-size carry-on either is not allowed or costs an extra fee.
Does a 22-inch suitcase fit as a Frontier Airlines carry-on?
Usually yes. A standard 22 x 14 x 9 inch carry-on suitcase fits within the Frontier Airlines carry-on limit of 24 x 16 x 10" (61 x 40.6 x 25.4 cm). Confirm your specific bag measures under the limit with wheels and handles included.
Does a backpack count as a personal item on Frontier Airlines?
Yes. A standard daypack (roughly 18 x 13 x 8 inches) fits within the Frontier Airlines personal item limit of 18 x 14 x 8" (45.7 x 35.6 x 20.3 cm). The bag must slide fully under the seat in front of you. Oversized hiking or travel backpacks will not fit and count as a carry-on.
Is there a weight limit for personal items on Frontier Airlines?
Yes. Frontier Airlines limits the personal item to 15.9 kg (35 lb). Frontier publishes this cap in pounds.
How much does a checked bag cost on Frontier Airlines?
Frontier Airlines does not publish one flat first checked bag fee. The price varies by route and fare class.
What are the Frontier Airlines overweight and oversize bag fees?
Frontier Airlines charges $129 for bags weighing 51 to 70 lb, $129 for 71 to 100 lb, and $75 for bags measuring 63 to 80 linear inches. Bags over 100 lb or 80 inches are generally refused.
Flying Frontier Airlines out of these airports?
Check terminal layouts, connection times, and layover tips for major Frontier Airlines hubs and focus cities.
Frontier Airlines head-to-head comparisons
In-depth comparisons between Frontier Airlines and another carrier, covering bags, seats, on-time performance, routes, and loyalty.
- American vs Frontier 2026: American Includes the Carry-OnCompare →
- Delta vs Frontier 2026: Delta Wins on Bags and ReliabilityCompare →
- Frontier vs Allegiant 2026: Which Budget Airline Wins?Compare →
- Frontier vs United 2026: Carry-On Included on Most United FaresCompare →
- JetBlue vs Frontier 2026Compare →
- Southwest vs Frontier 2026: Southwest Wins If You Bring a BagCompare →
- Spirit vs Frontier 2026Compare →
Sources
Facts, costs, and travel details in this carry-on guide were verified against the following sources. See our research methodology for how we vet and update data.
- Frontier Airlines: Bag options accessed 2026-10-30
- Frontier Airlines: Frontiermiles accessed 2026-10-28
- Frontier Airlines: Optional services accessed 2026-10-08
- Frontier Airlines: Seating options accessed 2026-10-30
- Frontier Airlines: What type of aircraft does frontier fly accessed 2026-10-02
- Star Alliance: Members accessed 2026-10-28
- U.S. Department of Transportation: Airline family seating commitments dashboard accessed 2026-10-05
If a figure looks wrong, email hello@vient.org, see how we handle corrections, or browse past fixes in our public changelog.
Helpful guides
Gear, tactics, and packing help for your Frontier Airlines flight.
- Best carry-on bags for Frontier Airlines in 2026Eight carry-ons checked against major airline size rules, from budget to premium.
- How to avoid checked baggage feesSeven tactics and three airline-card combos that save $45 to $100 per trip.
- Checked bag fees for Frontier AirlinesFirst, second, and overweight bag fees for every airline we track, in one searchable table.
- Best AI packing list generatorsGenerate a Frontier Airlines-sized packing list in seconds with weather-aware AI tools.
- Embed the Frontier Airlines carry-on cardPut a free Frontier Airlines carry-on size card on your travel blog with a short HTML snippet.
Compare other airlines
- Air Canada carry-on sizeAC · Canada
- Air Transat carry-on sizeTS · Canada
- Alaska Airlines carry-on sizeAS · United States
- Allegiant Air carry-on sizeG4 · United States
- American Airlines carry-on sizeAA · United States
- Breeze Airways carry-on sizeMX · United States
- Delta Air Lines carry-on sizeDL · United States
- Flair Airlines carry-on sizeF8 · Canada
More Frontier Airlines guides
Go deeper on Frontier Airlines with our fare and policy guides.