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Airline Guide · F9

Frontier: very low fares, if you know the rules

Frontier sells the seat and charges separately for almost everything else. Play it right and it is the cheapest way to fly; get it wrong and the extras add up fast. This guide shows you how.

IATAF9
ICAOFFT
BaseDEN
ProgramFrontier Miles

One cabin, four ways to buy it

Frontier starts with a bare fare and offers three bundles on top. The more you need — a carry-on, a seat choice, a checked bag — the more a bundle makes sense.

Fare only

Basic

  • Personal item included
  • Seat assigned at check-in
  • Carry-on and checked bags extra
  • Change fees may apply
Bundle

Economy

  • Carry-on bag included
  • Standard seat selection
  • No change fees
  • Good for short trips
Bundle

Premium

  • Extra-legroom seat
  • Carry-on bag included
  • Earlier boarding
  • No change fees
Top bundle

Business

  • UpFront Plus seat with an empty middle
  • Carry-on and two checked bags
  • Priority boarding
  • Fully refundable

Frontier baggage, read this first

Personal item 14 × 18 × 8 in

The only bag that is always free

Carry-on 24 × 16 × 10 in

Paid, up to 35 lb

Checked bag 40 lb / 18 kg

Paid — note the lower weight limit

Bag size limit 62 in / 158 cm

Length + width + height combined

Bag fees are lowest when added at booking, higher at check-in and highest at the gate. Personal-item size is checked at boarding.

Frontier Airlines Airbus A320neo on approach, showing the animal painted on its tail A320neo

Low fares, new planes and a bit of personality

Frontier flies one of the youngest and most fuel-efficient fleets in the U.S. Every aircraft carries a different animal on its tail — a fox, an owl, a sea otter — each with its own name.

  • Genuinely cheap base faresOften the lowest price on a route if you travel light.
  • More comfort than beforeUpFront Plus blocks the middle seat, and Frontier is introducing First Class seats.
  • Efficient aircraftAn all-Airbus A320neo-family fleet with low fuel burn per seat.

Popular Frontier routes

Search any route

Fares are indicative one-way economy prices and change with dates and availability. Click a route for live prices.

Denver first, then a web of bases

Denver is where Frontier started and is still its largest operation. From there it has added crew bases across the country.

Frontier mostly flies point to point, and many routes run only a few days a week — so check the schedule both ways before you book.

Hub City / Airport Known for
DEN DenverDenver International Home base and largest operation
LAS Las VegasHarry Reid International West Coast leisure base
MCO OrlandoOrlando International Florida and Caribbean base
ATL AtlantaHartsfield-Jackson Southeast base
PHL PhiladelphiaPhiladelphia International Northeast base
DFW DallasDallas/Fort Worth Texas base

Status that pays for the extras

Frontier Miles earns on what you spend, including on bags and seats. Elite status is unusually useful on a low-cost airline because it gives back the things Frontier otherwise charges for — a carry-on, seat selection and priority boarding.

Elite thresholds and benefits are set by Frontier and have changed several times.

  1. 01 Elite Silver Where you start
  2. 02 Elite Gold Level 2
  3. 03 Elite Platinum Level 3
  4. 04 Elite Diamond Top tier

Six tips for cheaper Frontier fares

01

Pack to the personal-item size

A soft backpack that fits 14 × 18 × 8 inches flies free. It is the single biggest saving.

02

Buy bags when you book

Fees rise at check-in and again at the gate. Never leave it until the airport.

03

Run the bundle maths

If you need a carry-on and a seat, the Economy bundle usually beats buying them separately.

04

Weigh your checked bag

The limit is 40 lb, not the usual 50. Overweight fees are steep.

05

Check the return day

Many routes do not fly daily. Make sure there is a flight home on the day you need.

06

Compare the full price

Ask us to price a full-service airline alongside. With bags, the gap is sometimes small.

Your F9 ticket in four steps

  1. Step 1

    Search

    Enter your cities and dates and filter results to Frontier.

  2. Step 2

    Compare

    See fares, stops and cabins side by side with taxes shown up front.

  3. Step 3

    Add details

    Enter traveller names exactly as on ID and add your Frontier Miles number.

  4. Step 4

    Fly

    Get your confirmation by email, then check in with Frontier before you fly.

Frontier Airlines FAQs

Can't find your answer? Our team is on the phone 24/7.

+1 (888) 356-6085
Is SkylineSparrow the same as Frontier Airlines?
No. SkylineSparrow is an independent travel agency. We help you search, compare and book Frontier Airlines flights, but we are not owned by or affiliated with the airline.
What is included in a basic Frontier fare?
A seat and one personal item that fits under the seat in front of you. Carry-on bags, checked bags and choosing your seat all cost extra.
How big can my free personal item be?
Up to 14 × 18 × 8 inches, including handles, wheels and straps. It is checked at the gate, and oversized items are charged.
Is a Frontier bundle worth it?
Often, yes. If you need a carry-on and want to pick your seat, a bundle usually costs less than adding those to a basic fare one by one.
Does Frontier have first class?
Frontier offers UpFront Plus, an extra-legroom row with the middle seat kept empty, and is introducing First Class seats across its fleet. Availability varies by aircraft.
What happens if Frontier cancels my flight?
You are entitled to a refund if you choose not to travel. Because many routes are not flown daily, rebooking can mean a longer wait than on bigger airlines — which is worth knowing before a tight trip.
Is it cheaper to book Frontier Airlines over the phone?
Sometimes. Our travel experts can see phone-only fares and alternative routings. Call +1 (888) 356-6085 any time — we're available 24/7.

Want the true cost of a Frontier trip?

Tell us your bags and dates — we will price it properly and compare it with the alternatives.

SkylineSparrow is an independent travel agency and is not affiliated with, endorsed by or sponsored by Frontier Airlines. Airline names and programme names are trademarks of their respective owners and are used here only to describe the flights we help you book. Fares shown are indicative; airline policies change, so always confirm details with the airline before you travel.