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Frontier Domestic Flights

Buy Frontier Domestic Flights

Search and book Frontier domestic flights at Alternative Airlines. Use our search form to search for any domestic route operated by Frontier and book your flights through Alternative Airlines.

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Why Buy Frontier Domestic Flights?

Frontier Airlines, also known as Frontier, is a major American ultra-low-cost carrier with headquarters in Denver, Colorado. The airline operates flights to over 100 destinations within the United States, as well as over 30 international destinations.

Frontier's main hub is at Denver International Airport (DEN) and has many focus cities including Atlanta, Chicago, Las Vegas, Miami, Orlando, Philadelphia and more. The airline also flies to more remote destinations within the US including Reno, Albuquerque, Oklahoma City, etc.

If you're looking to fly domestically within the US but don't want to spend too much money on tickets, Frontier is the way to go. Being an ultra-low-cost airline means you can easily get from A to B without breaking the bank. There are also 4 cabin classes to choose from, so you can even travel in style with a Classic Plus fare and not go over budget!

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Frontier Domestic Routes

The majority of Frontier's flight network consists of domestic flights in the USA. Frontier flies to over 100 domestic destinations within the US every day.

Below are some of the most popular domestic routes operated by Frontier:

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Denver ✈ New York, Orlando, Las Vegas and Atlanta

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Philadelphia ✈ Orlando, San Diego, Detroit, Seattle

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Las Vegas ✈ New York, Miami, Houston, Washington

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Orlando ✈ Las Vegas, New York, Pittsburgh, Seattle

All Domestic Destinations that Frontier flies to:

Check out all the domestic destinations that Frontier Airlines flies to:

Aguadilla, Albuquerque, Anchorage, Arlington, Atlanta, Austin, Bozeman, Bloomington/Normal, Boston, Buffalo, Burbank, Cedar Rapids, Charleston, Charlotte, Chicago, Cleveland, Colorado Springs, Columbia, Columbus, Covington, Dallas/Fort Worth, Dayton, Denver, Des Moines, Detroit, Durango, El Paso, Fayetteville, Fargo, Fort Lauderdale, Fort Myers, Grand Rapids, Harlingen, Harrisburg, Hartford, Huntsville, Houston, Indianapolis, Jackson, Jacksonville, Kansas City, Las Vegas, Little Rock, Long Island/Islip, Los Angeles, Madison, Miami, Milwaukee, Minneapolis, Myrtle Beach, Nashville, New Orleans, New York City, Newburgh, Norfolk, Oakland, Oklahoma City, Ontario, Orange County, Orlando, Pensacola, Philadelphia, Phoenix, Pittsburgh, Portland, Providence, Raleigh, Reno, Rochester, Sacramento, Salt Lake City, San Antonio, San Diego, San Francisco, San Juan, St. Louis, St. Thomas, Seattle, Sioux Falls, Spokane, Syracuse, Tampa, Trenton and West Palm Beach

Using our search form, type any of these destinations into the departure/arrival fields and hit the 'Search Flights' button to begin your search for domestic flights with Frontier Airlines!

Aircraft landing at an airport

The Cabin

When flying domestically with Frontier, you'll have a choice of four different cabin classes - Basic, Economy, Classic and Classic Plus. Each class offers a different level of service with various benefits.


The lowest fare available and ideal if you're flying domestically in the US on a budget. Meals are not included in the price of the fare, but snacks/drinks can be purchased on board from the in-flight menu. Seat selection is not available - standard seats are assigned at check-in. Standard seats have a pitch of 28-31 inches / 71-78 cm.


Seat selection is available and you can choose between Standard or Stretch seating (with a small upgrade fee). Fees for taking your pet on board or for unaccompanied minors are cheaper than what you would have to pay with a Basic fare.

Lady looking out of a plane window

The Cabin


Seat selection is available and upgrading to a Stretch seat is cheaper than if you were flying with an Economy ticket. Checked baggage is included in the airfare (up to 2 bags per passenger).

Classic Plus

Seat selection is available and Stretch seating is automatically included in the airfare. The ticket is fully refundable and beverages are included in the ticket for flights over 200 miles. Checked baggage is included (up to 2 bags per passenger). Stretch seats have a pitch of 33-38 inches / 83-96 cm.

Person checking in at the airport

Check-In & Arrival

How To Check-In

For domestic flights with Frontier Airlines, you can check in online, at a check-in kiosk in the airport or at a full-service check-in counter in the airport.


Checking in for your domestic flight with Frontier is easy, especially if you do it online. You can check in online through the Frontier online check-in page or on the Frontier Airlines mobile app. Online check-in opens 24 hours before the flight departure time and closes 45 minutes before.


You can also check-in for your domestic Frontier flight at the airport by using a self-service check-in kiosk or a full-service check-in counter.

Arrival time

Whether you're checking in online or at the airport, it's recommended that you arrive at the airport at least 2 hours before your flight. You should be checked in with a boarding pass at least 60 minutes before departure and be at your gate at least 30 minutes before departure. Doors close 15 minutes before the flight is due to depart.

Carry-on baggage

Frontier Domestic Flight Baggage

Carry-On Baggage

For all Frontier flights, including domestic flights, you can bring one personal item onboard free of charge - this includes purses, totes, computer bags, briefcases, diaper bags and children's backpacks. The personal item must be no larger than 14 x 18 x 8 inches / 35 x 45 x 20 cm (height by width by depth). The personal item must also be able to fit underneath the seat in front of you.

Carry-on bags are not included in the airfare and need to be purchased either at the time of booking or all the way up to the time of boarding. The carry-on bag must fit within the dimensions of 24 x 16 x 10 inches / 60 x 40 x 25 cm (height by width by depth). The weight must not exceed 35 lbs / 15 kg. Carry-on bags can be large backpacks, small duffel bags or small suitcases/wheeled bags.

Checked Baggage

If you're flying on a Basic or Economy fare, checked baggage needs to be purchased at the time of booking or all the way up to 45 minutes before a domestic flight departure. Checked baggage is included in the price of Classic and Classic Plus fares. Each passenger can take up to 2 checked bags. The dimensions of each checked baggage must not exceed 62 linear inches / 157 linear cm and weigh no more than 40 lbs / 18 kg. Checked baggage includes large duffel bags, large suitcases and sporting equipment.

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Ready to book your domestic flights with Frontier Airlines?

Use our search form at the top of the page to begin your search for Frontier domestic flights at Alternative Airlines.


Do you need a passport for Frontier domestic flights?

No, you don't need a passport to travel within the US, unless you're a non-US citizen.

If you're a US citizen, all you need is one piece of government-issued photo ID that also shows your date of birth and gender. Or, you can use two pieces of government-issued non-photo identification that also show your date of birth and gender and both match.

How early should I arrive for Frontier domestic flights?

Whether you're flying internationally or domestically with Frontier Airlines, it's suggested that you arrive at the airport at least 2 hours prior to departure, especially if you need to check in any baggage.

Which terminal do Frontier domestic flights depart from?

The terminal that your Frontier domestic flight will depart from depends on which airport you're departing from. Here are the departure terminals for each of Frontier's domestic hubs and focus cities:

  • Denver International Airport - Terminal East
  • Hartsfield–Jackson Atlanta International Airport - Terminal N
  • Chicago-Midway International Airport - Main Terminal with 3 concourses (A, B and C)
  • Cleveland Hopkins International Airport - Concourse A in the Main Terminal
  • Las Vegas-Harry Reid International Airport - Terminal 3
  • Miami International Airport - Terminal C
  • Orlando International Airport - Terminal A
  • Philadelphia International Airport - Terminals A, D and E
  • Phoenix Sky Harbor International Airport - Terminal 3
  • Tampa International Airport - Concourse C in the Main Terminal
  • Trenton–Mercer Airport - Main Terminal
Does Frontier Airlines charge for baggage on domestic flights?

When flying domestically with Frontier, you're allowed to take one personal item (a small bag, laptop bag, purse, etc) on board free of charge. Carry-on baggage and checked baggage need to be purchased either at the time of booking or all the way up to 45 minutes before the flight departure. If you're flying with a Classic or Classic Plus ticket, your checked baggage is included in the airfare - 2 checked bags are allowed per passenger.

What meals are available on Frontier domestic flights?

Meals are not included in any domestic Frontier ticket, however, snacks and beverages can be purchased on board from the in-flight menu. If you're flying with a Classic Plus ticket, beverages are included in the price of the ticket and will be served on board flights going further than 200 miles.

Do domestic Frontier flights have Wi-Fi?

Unfortunately, Wi-Fi isn't currently available on any Frontier flight (international or domestic). The lack of Wi-Fi on Frontier flights allows the airline to offer the lowest fares possible.

Is there in-flight entertainment on domestic flights with Frontier?

No, there is currently no kind of in-flight entertainment (movies, TV, music, etc) available on board domestic flights with Frontier. We recommend taking your own means of entertainment on board the flight. There is also no Wi-Fi available.