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Frontier Airlines (F9) Reservations
Compare Frontier Airlines fares, understand the add-on costs, and book with 24/7 support.
Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
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Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
Popular Frontier Airlines Routes
Routes Frontier Airlines flies most often, with the lowest one-way fares we have recorded recently. Search above for live availability, or call and an agent will price your dates.
Fares are quoted in USD and are the lowest one-way prices we have recorded recently on these routes. They are not a live quote: availability and pricing change constantly and cannot be guaranteed until ticketed. Please review our terms and conditions before booking.
About Frontier Airlines
Frontier Airlines (IATA code: F9) is an ultra-low-cost carrier based in Denver. Like Spirit, it unbundles its product: the base fare covers a seat and a personal item, with carry-on bags, checked bags and seat assignments priced separately.
Frontier operates one of the youngest and most fuel-efficient fleets in the United States, built around the Airbus A320neo family, and markets itself on that environmental efficiency. Its largest bases are Denver, Orlando, Las Vegas and Philadelphia.
Frontier’s network skews heavily toward leisure routes and changes seasonally more than most carriers, so a route that operates in winter may disappear in summer. Our agents check current schedules and quote the fully loaded price including bags, so you can compare it honestly against the alternatives.
Frontier Airlines Baggage Policy
Carry-On Baggage
- One personal item is included with every fare — maximum 14 x 18 x 8 inches.
- A full-size carry-on bag costs extra and must be purchased separately.
- Buy bags at booking. Gate prices are dramatically higher than online prices.
Checked Baggage
- All checked bags are chargeable on standard fares.
- Maximum size per checked bag: 62 linear inches (length + width + height).
- Maximum weight: 40 lb — lower than most carriers, with overweight fees above it.
- Frontier bundle fares and the Discount Den membership can include bags. Ask us to price the bundles against buying à la carte.
24/7 Post-Booking Assistance
Travel can be unpredictable, but our travel experts are by your side around the clock. We help you adjust your Frontier Airlines booking, cancel flights, add services, or update passenger details — and if you need to cancel, we walk you through the refund process with complete transparency, so you know exactly what to expect and when.
Exclusive Add-On Services
Frontier Airlines — Frequently Asked Questions
If you travel with only a personal item, Frontier is frequently the cheapest way to fly its routes. Once bags and seats are added the picture changes. Our agents price the complete trip on Frontier and on the alternatives so you can compare like for like.
A seat and one personal item. Carry-on bags, checked bags, seat selection and refreshments are charged separately.
Frontier sells bundled fares that combine bags, seat selection and flexibility at a lower total than buying each separately. Whether a bundle saves money depends on what you actually need — call us and we will do the arithmetic.
40 lb, which is lower than the 50 lb standard at most US carriers. Weigh your bag before leaving for the airport to avoid overweight charges.
Yes, more than most carriers. Frontier adjusts its network seasonally and a route available in one season may not operate in another. Our agents check live schedules for your dates.
Changes are generally possible with a fee plus fare difference, and the terms depend on your fare type and how far in advance you change. Call us and we will review your booking.
Cheapoflight.net is an independent travel agency and is not affiliated with, endorsed by, or sponsored by Frontier Airlines. All airline names, logos, and trademarks are the property of their respective owners and are used for identification purposes only. Service fees may apply.