frontier airlines Flight Booking

Frontier Airlines at a Glance

Frontier is an ultra-low-cost airline. The base fare covers your seat and one personal item, and everything else is priced separately or bundled.

Frontier Airlines Baggage Allowance and Size Limits

Frontier's limits differ from most US airlines in size and weight. The size of the paid carry-on and the weight of a checked bag decide how much is allowed and what you will pay. Also, baggage fees are lowest at booking and increase at the airport and the gate.

Frontier Personal Item Size

The free personal item can be up to 14 x 18 x 8 inches (36 x 46 x 20 cm), including handles, wheels, and straps. Frontier checks personal items at boarding, and if one is too big, you'll be charged as a carry-on at the gate, which is the most expensive option.

Frontier Carry-On Size and Weight Limits

A paid carry-on can measure up to 24 x 16 x 10 inches (61 x 41 x 25 cm) and weigh up to 35 lbs (16 kg). That's actually bigger than the carry-on limit on United or American.

Frontier Checked Bag Size and Weight Limits

Checked bags can measure up to 62 linear inches (158 cm), but they must weigh 40 lbs (18 kg). Most US airlines allow 50 lbs, so keep an eye on that number. Anything heavier will incur an overweight charge.

What Can You Bring as a Carry-On or Personal Item on Frontier?

On Frontier, you get one free item in total, so it helps to know what fits:

• Backpack: free if it fits 14 x 18 x 8 inches. Many school-size backpacks do, but a large hiking or travel pack won't.
• Purse or laptop bag: this is your personal item. Carrying both means one has to go inside the other.
• Roller suitcase or duffel: paid carry-on.
• Coat, diaper bag for a lap infant, and medical devices: allowed in addition to your personal item.
• Sports gear: checked as a special item. See our Frontier sports equipment guide.

Compare Frontier's bag costs with other airlines on our airline baggage fees page.

How to Get Cheap Frontier Flights

The ticket price is only part of the cost on Frontier. These habits keep the total down:

• Add bags when you book, because the price goes up at check-in.
• On short trips, travel with just a personal item if you can. That's when Frontier?s fare is the cheapest.
• If you need a bag and a seat, check the bundles. They can cost less than buying each extra separately.
• Weigh your checked bag at home. Packing to 50 lbs on a 40 lb airline is an expensive mistake.

Our Frontier online check-in guide walks through getting your boarding pass on your phone.

Popular Destinations on Frontier Airlines

Frontier serves all of these cities, many of them with nonstops from Denver:

• Flights to Denver
• Flights to Las Vegas
• Flights to Orlando
• Flights to Chicago
• Flights to Dallas
• Flights to New York

FAQs

How much does Frontier charge for carry-on and checked bags?

Frontier doesn't publish flat bag fees. The price depends on your route, your travel date, and when you buy. Overweight charges are separate, starting at $75 for a checked bag between 41 and 50 lbs. For bags weighing more than 51lbs to 99 lbs, the airline charges a $129 fee per bag. Baggage weighing more than 99 lbs is not allowed.

Are Frontier flights actually cheaper than other airlines?

The base fare is usually cheaper. Once you add a carry-on, a checked bag, or a seat, the total can end up close to what Alaska or American charges, since both include a carry-on on every fare. Compare the full trip price before you book.

Where can I find the best Frontier Airlines deals?

CheapFlightsFares tracks low Frontier fares so you don?t have to, and our deals section shows the cheapest ones we?ve found recently. When you?re ready to book, you can add a checked bag or select a seat at checkout, which is usually cheaper than adding them later. Our agents can also find phone-only deals if you call.