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Frontier Airlines is a United States low-cost carrier headquartered in Denver, Colorado, USA. As of 2022, the airline flies to over 100 destinations in the United States, Mexico, Bahamas, 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.

In 2010, Frontier Airlines acquired Midwest Airlines.

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. What's more, we let you pay the way you want, whether that is in instalments with Affirm, Afterpay, Sezzle, or with a PayPal Credit finance plan.

Read our guide on buying Frontier flights now and paying later for more information.

Baggage Policy

Frontier Airlines has different weight and dimension limits for carry-on and checked baggage, as well as for your personal item and any additional baggage you may have. Read on to find out more.

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.

Checked Baggage

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

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.

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.


With Frontier Airlines, you can check in online or at the airport. Check-in opens and closes at different times for international and domestic flights with Frontier.

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.

Cabin Classes

Frontier Airlines only has one cabin class - Economy Class. Find out what's included with Frontier's Economy fare such as seating and upgrades.

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.

In-flight Entertainment & WiFi

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


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


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


As of 2022, the airline does not offer WiFi onboard their flights.

Food & Drink

Snacks and drinks are available to purchase on Frontier flights from the in-flight menu. Meals are not offered on Frontier flights due to the aim to cut costs and keep flight prices as low as possible.

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.

Frequent Flyer Program

Frontier Airlines has its own frequent flyer program called Discount Den. With this loyalty program, passengers have access to low fares with Frontier as well as other benefits.

Discount 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.

Airline Alliance

As of 2022, Frontier Airlines is not part of any airline alliances. However, they currently have a codeshare agreement with Volaris Mexico.

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Destinations that Frontier Airlines flies to

Frontier Airlines operates an extensive destinations network within the U.S., flying between some of the most popular airports in the country. With over 100 domestic destinations, booking Frontier multi-city flights across the USA is a great idea.

Alternatives to Frontier Airlines

The following airlines operate similar routes to Frontier Airlines, both internationally and domestically in the USA.

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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.

Special Items

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."


Frontier Airlines operates only on narrow-bodied aircraft and has more than 100 of these in its fleet.

As of 2022, the airline flies an Airbus only fleet which consists of Airbus A320 family of aircraft.

Hub Airport

Denver International Airport

Denver International Airport is the main hub for this airline and also for Great Lakes Airlines and Key Lime Air. Frontier Airlines uses the East Terminal of the airport. In 2022, the airport announced an expansion project that will allow Frontier Airlines exclusive access to 4 additional gates in the East Terminal. It is the largest airport in North America in terms of area and is second only to King Fahad International Airport in the world. Within the past decade, DIA has become a major focus city for Southwest Airlines.

The airport handled its highest-ever passenger traffic of 69 million in 2019 and as of 2022, it is ranked as the third most busiest airport in the USA, in terms of passenger boardings. 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) help to organize the high volume of passenger traffic. Airlines that fly from and to Denver International Airport include Air CanadaSouthwest AirlinesSkywest AirlinesUnited, Allegiant and Lufthansa.

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 for Frontier Flights

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.

Take a look at our guide on Fly Now Pay Later with Frontier Airlines for more information.

Buy Frontier Last Minute Flights

Last-minute flights are when you book flights out-of-the-blue close to the departure date and time of the flight. Last-minute flights are normally brought a few days or weeks before the departure date, but it can be purchased on the day or the day before the flight. With last-minute flights you can find great deals on flights as airlines need to fill the empty seats on the plane, however, this isn't guaranteed. These flights are usually brought by passengers who need to travel urgently.

At Alternative Airlines, most of our e-tickets are sent to you instantly or within 2 hours via email. Please note, when booking last-minute flights, in some cases, it might take up to 24 hours to receive your e-ticket. Take a look at our FAQs for more information on last-minute Frontier flights.


August 30th 2022

Frontier to expand in Phoenix with 10 new routes

In the 4th quarter of 2022 and early 2023, Frontier Airlines is going to launch 10 new routes from Phoenix Sky Harbor International Airport. There will be daily flights from Phoenix to Baltimore, Fort Lauderdale-Hollywood, California, Philadelphia, along with flights to Poland; which will operate three times a week.

Additional routes in early 2023 will include Indianapolis, Kansas City, Nashville, Minneapolis-St Paul and Seattle-Tacoma. Frequencies on these routes will vary.

Frequently asked questions

Which airports does Frontier fly out of?

Denver International Airport is the hub for Frontier Airlines. The airline flies out of this airport to around 100 destinations and its most popular destinations include Atlanta, Chicago-Midway, Cleveland, Las Vegas, Miami, Orlando, Tampa, Trenton etc.

What are the travel requirements for El Salvador with Frontier Airlines?

As of 2022, all entry restrictions into El Salvador have been restricted. No Covid testing and no proof of vaccinations are required. Frontier Airlines passengers can enjoy hassle-free entry into El Salvador.

Can I pay for Frontier Airlines flights using Apple Pay?

Yes! You can search for Frontier flights and pay for your flights using Apple Pay right here at Alternative Airlines. It's super easy to do too! We've created a handy guide showing you how to book your Frontier Airlines flights and pay with Apple Pay on our site.

Can I get a refund for my Frontier flight?

This depends on when you cancelled your booking and whether you purchased a refundable Frontier ticket or not with Alternative Airlines.

Frontier Airlines has a 24-hour cancellation policy - if you booked a Frontier flight through Alternative Airlines but want to cancel your Frontier booking, you will need to do so within the 24-hour window from when you first booked your flight.

Please get in touch with us between 9am - 8pm UK time if you wish to cancel your Frontier booking within the 24-hour cancellation window and receive a full refund.

Can I pay later for Frontier Airlines flights?

Absolutely! If you'd like to spread the cost of your Frontier flights over time, you've come to the right place! We have 40+ ways for you to pay for your flights, including flexible Buy Now Pay Later payment plans that can help you split the cost of your Frontier tickets into smaller, more manageable instalments.

Read our guide on Fly Now Pay Later with Frontier Airlines for more information!

Does Frontier Airlines offer red-eye flights?

Yes! You can book red-eye flights with Frontier Airlines right here at Alternative Airlines. Read our guide on red-eye Frontier flights for more information, such as tips and tricks with red-eye flights and more FAQs.

Where can I book Frontier last minute flights?

With us! By using Alternative Airlines you can book last minute flights with Frontier. Use our how-to-guide above and book last minute flights with any airline today. Please consider that when booking a last minute flight through Alternative Airlines, it may take up to 24 hours to receive your e-ticket.

Where can I book last-minute domestic Frontier flights?

You can book your last-minute Frontier domestic flights right here at Alternative Airlines! Say you're based in New York but need to quickly jump on a flight to Denver or Phoenix, we've got you covered. We ticket 600+ airlines, including Frontier Airlines, so you're sure to find the ideal last-minute domestic Frontier flight when you use our search tool!

How to book last minute flights with Frontier?

  1. At the top of the page, use our search form to select if you want to travel a 'return', 'one-way' or 'multi-city'. Then enter the departure and arrival destinations along with the date, how many passengers and cabin class. Once completed, press 'Search Flights'.
  2. In this example, you want to travel with Frontier Airlines - use the airline filter and select the airline you want to fly with (e.g. Frontier Airlines). Then you'll be shown all the last minute flights with Frontier.
  3. Choose the last minute Frontier flight you prefer to take, 'Confirm Selection' and head to checkout. Then use one of the 40+ ways to pay on site to secure. your booking (e.g. Klarna, tabby, Cryptocurrency, Credit Card). Once your booking has been confirmed you'll be sent an e-ticket to your inbox via email.

Popular last-minute flight routes with Frontier

Frontier flys to over 100 destinations in the United States and to over 30 international destinations. Here are some popular last minute flights with Frontier - pack your bags today and leave tomorrow to one of these popular destinations.

  • Atlanta ✈ to Denver
  • Chicago ✈ to Las Vegas
  • Georgia ✈ to Punta Cana
  • Cincinnati ✈ to Orlando