Carry-on bag
- Size
- 24 × 16 × 10 in≈about 61 × 41 × 25 cm
- Weight
- 35 lb≈about 15.9 kg
- Wheels and handles
- Count toward the size
- With your fare
- Paid extra
Paid extra: cheapest when added while booking, dearest at the airport.
- Handles, wheels and straps count toward the size.
- If the overhead bins are full, it may be checked at the gate at no extra cost.
Personal item
- Size
- 18 × 14 × 8 in≈about 46 × 36 × 20 cm
- Weight
- 35 lb≈about 15.9 kg
- Wheels and handles
- Count toward the size
- With your fare
- Included in every fare
- One is included with every fare, each way. It has to fit under the seat in front of you.
Which other airlines take an 18 × 14 × 8 in bag
Compare every airline’s under-seat limit on the personal item page.
Checked bags
- Weight
- 40 lb≈about 18.1 kg
- Total
- 62 in≈about 157 cm
- Frontier’s standard limit is 40 lb, not the 50 lb most US airlines use; some bundles and elite levels allow more.
- Overweight 41–50 lb: $75; 51–99 lb: $129 (bookings from 4 April 2026). Oversize 63–110 inches: $75. Heavier or bigger bags aren’t accepted.
Bag fees
First checked bag: Varies by date.
- Bags cost least when added while booking and most at the airport; Frontier’s Bag Price Checker shows the price for your dates.
The cheapest fare, power banks and pets on Frontier
- Cheapest fare: Basic Fare: no overhead carry-on; checked bags: paid. Every airline’s cheapest fare
- Power banks: No set number. Every airline’s power bank rules
- Pets in the cabin: In the cabin on some routes, $149 each way, carrier up to 18 × 14 × 11 in. Every airline’s pet rules
Frontier next to other US airlines
| Airline | Carry-on / cabin bag | Weight | Included? | Personal item |
|---|---|---|---|---|
| American Airlines | 22 × 14 × 9 in56 × 36 × 23 cm | None published | Included | 18 × 14 × 8 in45 × 35 × 20 cm |
| Delta Air Lines | 22 × 14 × 9 in56 × 35 × 23 cm | None published | Included | No size published |
| United Airlines | 22 × 14 × 9 in56 × 35 × 23 cm | None published | Not in Basic Economy | 17 × 10 × 9 in43 × 25 × 22 cm |
| Southwest Airlines | 24 × 16 × 10 in≈about 61 × 41 × 25 cm | None published | Included | No size published |
| JetBlue | 22 × 14 × 9 in55.9 × 35.6 × 22.9 cm | No weight limit | Included | 17 × 13 × 8 in43.2 × 33 × 20.3 cm |
| Alaska Airlines | 22 × 14 × 9 in≈about 56 × 36 × 23 cm | None published | Included | No size published |
| Frontier Airlines | 24 × 16 × 10 in≈about 61 × 41 × 25 cm | 35 lb≈about 15.9 kg | Paid extra | 18 × 14 × 8 in≈about 46 × 36 × 20 cm |
| Allegiant Air | 22 × 16 × 10 in55 × 40 × 25 cm | None published | Paid extra | 18 × 14 × 8 in45 × 35 × 20 cm |
| Hawaiian Airlines | 22 × 14 × 9 in≈about 56 × 36 × 23 cm | None published | Included | No size published |
| Sun Country Airlines | 24 × 16 × 11 in≈about 61 × 41 × 28 cm | 35 lb≈about 15.9 kg | Paid extra | 17 × 13 × 9 in≈about 43 × 33 × 23 cm |
| Breeze Airways | 22 × 14 × 9 in≈about 56 × 36 × 23 cm | 35 lb≈about 15.9 kg | Paid extra | 17 × 13 × 8 in≈about 43 × 33 × 20 cm |
| Avelo Airlines | 22 × 14 × 9 in55 × 35 × 22 cm | None published | Paid extra | 17 × 13 × 9 in43 × 33 × 22 cm |
Wheels and handles: wheels and handles included for Frontier. Every airline drawn to scale