Search & Book Flights

  • Trusted Choice
  • Secure Booking
Cancellation Protection
Illness incl. COVID-19
Refundable Booking
Mechanical Breakdown
Terms and conditions
Trusted Choice
Rated 4.5 Stars. Based on 3,581 service ratings over the past year
Dedicated customer service team on hand to help
Secure payments
Over 600 Airlines
Safe and Secure

Buy Flights

Search and Buy Flights with Alternative Airlines

Make a Booking and Find Some Amazing Deals


Frontier Airlines is a United States low-cost carrier headquartered in Denver, Colorado, USA. As of 2020, the airline flies to over 100 destinations in the United States, Mexico, Canada, Puerto Rico and the Dominican Republic. The airline is dedicated to reducing the cost of air-travel for its passengers, which is why tickets can only be purchased for one cabin class: Economy.

Did you know? The airline was recently named the industry’s most fuel-efficient airline, by The International Council on Clean Transportation (ICCT).

Looking to make a Frontier flight booking?

Alternative Airlines is an online flight search and booking site that makes it easy to book affordable Frontier airline tickets. Whats more, we let you pay the way you want, whether that is in instalments with Affirm or Quadpay, or with a PayPal Credit finance plan. Find out more about booking your tickets using one of our finance options here.


Frontier Airlines operates an extensive destinations network within the U.S., flying between some of the most popular airports in the country. The airline maintains a hub at Denver International Airport with focus cities in Chicago O'Hare International Airport in Chicago; Cleveland Hopkins International Airport in Cleveland, Ohio; Miami International Airport in Miami, Florida; Orlando International Airport in Orlando, Florida and Trenton–Mercer Airport near Trenton, New Jersey. With over 100 domestic destinations, booking multi-city flights across the USA with Frontier Airlines is a great idea.

International Destinations

Canada Calgary YYC Calgary International Airport
Dominican Republic Punta Cana PUJ Punta Cana International Airport
Dominican Republic Santiago de los Caballeros STI Cibao International Airport
Dominican Republic Santo Domingo SDQ Las Américas International Airport
El Salvador San Salvador SAL El Salvador International Airport
Guatemala Guatemala City GUA La Aurora International Airport
Jamaica Montego Bay MBJ Sangster International Airport
Mexico Cancún CUN Cancún International Airport
Mexico Puerto Vallarta PVR Licenciado Gustavo Díaz Ordaz International Airport
Mexico San José del Cabo SJD Los Cabos International Airport

Domestic Destinations

Albany New York ALB Albany International Airport
Albuquerque New Mexico ABQ Albuquerque International Sunport
Atlanta Georgia ATL Hartsfield–Jackson Atlanta International Airport
Austin Texas AUS Austin–Bergstrom International Airport
Baltimore Maryland BWI Baltimore-Washington International Airport
Billings Montana BIL Billings Logan International Airport
Bismarck North Dakota BIS Bismarck Municipal Airport
Bloomington/Normal Illinois BMI Central Illinois Regional Airport
Boise Idaho BOI Boise Airport
Boston Massachusetts BOS Logan International Airport
Bozeman Montana BZN Bozeman Yellowstone International Airport
Branson Missouri BKG Branson Airport
Buffalo New York BUF Buffalo Niagara International Airport
Burlington Vermont BTV Burlington International Airport
Cedar Rapids Iowa CID The Eastern Iowa Airport
Charleston South Carolina CHS Charleston International Airport
Charlotte North Carolina CLT Charlotte Douglas International Airport
Chicago Illinois ORD O'Hare International Airport
Cincinnati Ohio CVG Cincinnati/Northern Kentucky International Airport
Cleveland Ohio CLE Cleveland Hopkins International Airport
Colorado Springs Colorado COS Colorado Springs Airport
Columbus Ohio CMH Port Columbus International Airport
Dallas/Fort Worth Texas DFW Dallas/Fort Worth International Airport
Denver Colorado DEN Denver International Airport
Des Moines Iowa DSM Des Moines International Airport
Detroit Michigan DTW Detroit Metropolitan Airport
El Paso Texas ELP El Paso International Airport
Fargo North Dakota FAR Hector International Airport
Fayetteville/Bentonville Arkansas XNA Northwest Arkansas Regional Airport
Fort Lauderdale Florida FLL Fort Lauderdale–Hollywood International Airport
Fort Myers Florida RSW Southwest Florida International Airport
Fresno California FAT Fresno Yosemite International Airport
Grand Rapids Michigan GRR Gerald R. Ford International Airport
Green Bay Wisconsin GRB Green Bay–Austin Straubel International Airport
Greenville/Spartanburg South Carolina GSP Greenville-Spartanburg International Airport
Harlingen Texas HRL Valley International Airport
Harrisburg Pennsylvania MDT Harrisburg International Airport
Hartford Connecticut BDL Bradley International Airport
Houston Texas IAH George Bush Intercontinental Airport
Huntsville Alabama HSV Huntsville International Airport
Indianapolis Indiana IND Indianapolis International Airport
Jackson Mississippi JAN Jackson-Evers International Airport
Jackson Hole Wyoming JAC Jackson Hole Airport
Jacksonville Florida JAX Jacksonville International Airport
Kansas City Missouri MCI Kansas City International Airport
Knoxville Tennessee TYS McGhee Tyson Airport
Las Vegas Nevada LAS McCarran International Airport
Little Rock Arkansas LIT Clinton National Airport
Long Island/Islip New York ISP Long Island MacArthur Airport
Los Angeles California LAX Los Angeles International Airport
Louisville Kentucky SDF Louisville International Airport
Madison Wisconsin MSN Dane County Regional Airport
Memphis Tennessee MEM Memphis International Airport
Miami Florida MIA Miami International Airport
Milwaukee Wisconsin MKE Milwaukee Mitchell International Airport
Minneapolis Minnesota MSP Minneapolis–Saint Paul International Airport
Missoula Montana MSO Missoula International Airport
Mobile Alabama BFM Mobile Downtown Airport
Myrtle Beach South Carolina MYR Myrtle Beach International Airport
Nashville Tennessee BNA Nashville International Airport
Newark New Jersey EWR Newark Liberty International Airport
New Orleans Louisiana MSY Louis Armstrong New Orleans International Airport
New York City New York LGA LaGuardia Airport
Norfolk Virginia ORF Norfolk International Airport
Oklahoma City Oklahoma OKC Will Rogers World Airport
Omaha Nebraska OMA Eppley Airfield
Ontario California ONT Ontario International Airport
Orange County California SNA John Wayne Airport
Orlando Florida MCO Orlando International Airport
Palm Springs California PSP Palm Springs International Airport
Pensacola Florida PNS Pensacola International Airport
Philadelphia Pennsylvania PHL Philadelphia International Airport
Phoenix Arizona PHX Phoenix Sky Harbor International Airport
Pittsburgh Pennsylvania PIT Pittsburgh International Airport
Portland Maine PWM Portland International Jetport
Portland Oregon PDX Portland International Airport
Providence Rhode Island PVD T.F. Green Airport
Raleigh North Carolina RDU Raleigh–Durham International Airport
Reno Nevada RNO Reno-Tahoe International Airport
Sacramento California SMF Sacramento International Airport
Salt Lake City Utah SLC Salt Lake City International Airport
San Antonio Texas SAT San Antonio International Airport
San Diego California SAN San Diego International Airport
San Francisco California SFO San Francisco International Airport
San Jose California SJC San Jose International Airport
San Juan Puerto Rico SJU Luis Munoz Marin International Airport
Santa Barbara California SBA Santa Barbara Municipal Airport
Sarasota Florida SRQ Sarasota–Bradenton International Airport
Savannah Georgia SAV Savannah/Hilton Head International Airport
Seattle Washington SEA Seattle-Tacoma International Airport
Sioux Falls South Dakota FSD Sioux Falls Regional Airport
Spokane Washington GEG Spokane International Airport
St. Louis Missouri STL St. Louis Lambert International Airport
Syracuse New York SYR Syracuse International Airport
Tampa Florida TPA Tampa International Airport
Trenton New Jersey TTN Trenton–Mercer Airport
Tucson Arizona TUS Tucson International Airport
Tulsa Oklahoma TUL Tulsa International Airport
Tyler Texas TYR Tyler Pounds Regional Airport
Washington, D.C. Virginia DCA Ronald Reagan Washington National Airport
Washington, D.C. Virginia IAD Washington Dulles International Airport
West Palm Beach Florida PBI Palm Beach International Airport
Wichita Kansas ICT Wichita Dwight D. Eisenhower National Airport
Wilmington Delaware ILG Wilmington Airport


Carry-on Baggage

Carry-On bag charges vary based on when you purchase. Carry-On bags can be no larger than 25 x 40 x 60 cm (10 x 16 x 24 inches) including handles, wheels, and straps and no heavier than 15.5kg/35lbs. Carry-On bags must fit in the overhead bin. Carry-on fees are non-refundable.

Personal Item

Personal items cannot exceed 20 x 45 x 35 cm (8 x 18 x 14 inches). One personal item will be included for each passengers.

Checked Baggage

Checked bags must be within 157cm/62in (linear)and no heavier than 23kg/50lbs.

Additional Baggage

Baggage that exceeds these limits will have an additional charge of $75 USD for each bag that is overweight and $75 USD for each oversized bag, and bags over 45kg/100lbs in excess of 279cm/110 inches (linear) will not be accepted.

Codeshare Agreements Baggage Allowance for frequent flyers

EarlyReturns Elite members always receive a free carry-on bag in addition to the personal item.

Check-In Information

Online Check-In

Passengers can check-in online using the Frontier Airlines online check-in page and entering the relevant details. Online check-in closes 60 minutes before scheduled flight departure time on both international and domestic flights. If you have booked your Frontier flights with Alternative Airlines, you will receive details of how to check-in online on your e-ticket.

Airport Check-In

Passengers can also check-in at the airport by visiting the check-in counters. Passengers should arrive at the airport no later than two hours before their flight departs. Airport check-in closes 60 minutes before flight departure time for international flights and 45 minutes before flight departure time for domestic flights.

Economy Class

Economy Class is the only cabin class available on Frontier flights. However, passengers can purchase seats that have extra legroom.

Economy Class Air Fares

There are two Class Fares within Economy: Economy Standard, and Economy Stretch. In Economy Stretch, passengers can enjoy wider seats, will be the first to disembark the plane and be the first to receive in-flight service.

Economy Class Seating

Economy class seats have 28-31 inches seat pitch and 18 inches seat width.

Economy Stretch has a seat pitch of 36-38 inches whilst the seat pitch is the same as the economy class at 18 inches.

Seat Selection

We offer our customers the opportunity to check seat availability and select a seat before making their Frontier Airlines reservation. Whether you need some extra legroom or you love to sit by the window, we give our customers the chance to choose where they want to sit on the plane to make their journey as comfortable as possible. Find out how to book your Frontier Airlines seats.

Speciality Items and Sports Equipment

Specific restrictions apply to sports equipment. We recommend checking the height and weight restrictions of items such as surfboards and golf clubs with the airline before flying. Bicycles are checked at an additional fee. For information on how to pack your bike for air travel, as well as a breakdown on airline bicycle policies please visit our FAQ page on "Flying with a Bike."

In-flight Entertainment

To keep costs down for passengers, the airline does not currently offer in-flight entertainment on its flights.

- TV

Frontier Airlines does not offer in-flight TV shows on its flights.

- Movies

In order to keep prices low for its passengers, this airline does not offer in-flight movies.


- Meal Options

Passengers on Frontier flights can purchase food and snacks for their flights. Passengers can buy a snack and drink bundles to save money, including items such as chocolate, crisps, beef jerky, nuts and confectionery.

- Special Dietary Requirements

Because they do not provide any meals free of charge, there are no special meals provided. Passengers can purchase snacks and check the ingredients in flight to see if they meet their needs, or alternatively, passengers can bring their own food onto the plane.

- Drinks & Alcohol

Frontier does not provide any complimentary drinks as part of their service. Passengers can purchase a selection of drinks on board their Frontier flights, including alcoholic beverages like spirits, beer and wine and also soft drinks such as soda, water, coffee and tea.


As of March 2020, the airline does not offer WiFi onboard their flights.


The airline's fleet consists of the Airbus.

A319-100 4 0
A320-200 19 0
A320-200Neo 51 3
A321-200 21 0


As of March 2020, Frontier Airlines is not part of any airline alliances. However, they currently have a codeshare agreement with Volaris Mexico.

Hub Airport

Denver International Airport

The airport is the main hub for this airline and also Great Lakes Airlines. It is also the fourth-largest and Central U.S. hub for United Airlines. Within the past decade, DIA has become a major focus city for Southwest Airlines. The airport handled 69 million passengers in 2019, making the airport the 20th busiest airport in the world and 5th busiest in the USA. It also has the third largest domestic connection network in the country. Gates spread out over three detached, yet internally connected, concourses (A, B & C) helps to organize the high volume of passenger traffic. Airlines that fly from and to Denver International Airport include Air Canada, Southwest Airlines, Skywest Airlines, United,Allegiant and Lufthansa.

Alternative Airlines to Frontier Airlines:

Please click on the logos below to find out more about airlines that fly similar routes:

Air Canada LogoSouthwest Airlines logoDelta Airlines logo

Lufthansa Logoair choice one Logo

Make a Frontier Airlines Booking and Pay with PayPal

Use PayPal on any Frontier Airlines flight when making a reservation with Alternative Airlines. PayPal is a secure and convenient way to pay for Frontier Airlines plane tickets and is available as a payment option on all Frontier Airlines flights when you book with Alternative Airlines!

You can get a Frontier Airlines ticket discount through the wide range of available flight vouchers and apply it to your PayPal purchase. It's easy to apply at the checkout and with the simple click of the button, you can get access to cheaper air travel.

Set up a payment plan and pay for your flights in instalments with PayPal Credit. You can find out all the steps to buy your airline tickets with PayPal Credit at the payment page during your flight booking.

Find out more reasons to pay for flights using PayPal.

Payment Plans

Buy Frontier Airlines flights on finance when booking with Alternative Airlines. There are many options to choose from that allows you to spread the cost: You can choose to use Affirm if you are based in the US or Fly Now Pay Later or PayPal Credit if you are a UK resident.

Frequent Flyer Program

What is Frontier Deal Den?

Frontier Den, or Discount Den, is a new membership scheme with Frontier Airlines. It offers low fares through a subscription and is available for up to 6 people on the itinerary. Find out more information on Discount Den with Frontier Airlines

Even if you are a child or a senior, you can still get a discount on your Frontier Airlines ticket with Alternative Airlines. Save on Frontier Airlines senior discount and on any flight ticket with Alternative Airlines offers and PayPal discount codes.


September 8th 2020

Frontier Airlines committed to passenger welfare as flights resume

Following COVID 19 restriction, Frontier Airlines has begun to see demand for flights benign to pick up again. The airline has lots of measures in place to ensure traveller safety and welfare, including mandatory temperature checks before boarding. It will also be mandatory for passengers to wear face coverings.

May 28th 2020

Frontier Airlines Announces 18 New Nonstop Routes for Summer 2020

The airline has announced 18 new routes for summer 2020. The new flights will begin in June and will expand the airline’s rapidly growing presence in major US cities, including Boston, Chicago, Newark and Philadelphia. The airline is committed to continuing to provide low cost flights and support passenger well-being as demand begins to pick up again following COVID 19 restrictions.

February 25th 2020

Frontier Airlines launches new routes from Phoenix to California

From April 23rd, the airline will add two new daily flights from Phoenix Sky Harbor International Airport to Los Angeles International Airport and Norman Y. Mineta San Jose International Airport.