Frontier Airlines Adds 22 New Routes Amid Spirit’s Ongoing Issues

Updated: September 4, 2025, 12:33pm CDT

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Frontier Expands in the U.S., Caribbean, and Latin America
Final Thoughts

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Frontier will significantly increase its route network this coming winter with no less than 22 new routes.

The routes will include new international services to Guatemala, Honduras, and Mexico, as well as the airline’s first-ever nonstop connection to Providenciales (PLS) in Turks and Caicos.

“We are on a mission to increase service domestically and internationally, and in the process redefine air travel by demonstrating that it can be comfortable, convenient, and affordable,” said Josh Flyr, vice president of network and operations design at Frontier.

Here’s everything you need to know.

Frontier Expands in the U.S., Caribbean, and Latin America

While Spirit Airlines’ future hangs in the balance, Frontier is offering yet more new routes to reassure travelers that their low-cost flights are going nowhere.

The routes will operate mostly once or twice weekly, which suits vacationers with several days available to travel. We expect Frontier will closely analyze the demand for the new routes over the winter to decide which to axe and which to deploy more aircraft on moving forward.

The routes, start dates, and frequencies are detailed in the table below:

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Route	Start Date	Frequency
Atlanta (ATL) to Memphis (MEM)	November 20	2x weekly
Atlanta (ATL) to Milwaukee (MKE)	December 19	2x weekly
Atlanta (ATL) to Nassau, Bahamas (NAS)	December 13	1x weekly
Atlanta (ATL) to Providenciales, Turks and Caicos (PLS)	December 20	1x weekly
Atlanta (ATL) to Puerto Vallarta, Mexico (PVR)	December 20	1x weekly
Atlanta (ATL) to San José del Cabo, Mexico (SJD)	December 20	1x weekly
Atlanta (ATL) to St. Maarten (SXM)	December 6	1x weekly
Dallas (DFW) to Guatemala City, Guatemala (GUA)	December 20	1x weekly
Dallas (DFW) to San Salvador, El Salvador (SAL)	December 21	2x weekly
La Guardia (LGA) to San Juan, Puerto Rico (SJU)	December 20	1x weekly
Las Vegas (LAS) to San José del Cabo (SJD)	December 20	1x weekly
Miami (MIA) to San Pedro Sula, Honduras (SAP)	December 20	1x weekly
Miami (MIA) San Salvador (SAL)	December 19	3x weekly
Minneapolis (MSP) to Chicago O’Hare (ORD)	November 23	2x weekly
Orlando (MCO) to Guatemala City (GUA)	December 21	2x weekly
Orlando (MCO) to San José, Costa Rica (SJO)	December 20	1x weekly
Orlando (MCO) to San Pedro Sula (SAP)	December 20	1x weekly
Orlando (MCO) to San Salvador (SAL)	December 20	1x weekly
Philadelphia (PHL) to Santiago de los Caballeros, Dominican Republic (STI)	December 18	2x weekly
Phoenix (PHX) to Reno, Nevada (RNO)	November 22	2x weekly
Phoenix (PHX) to Spokane (GEG)	November 23	2x weekly
Washington (IAD) to San Salvador (SAL)	December 18	Daily

In celebration of the new routes, Frontier is offering one-way fares on hops between Chicago and Minneapolis from just $19. You’ll also find several of these new international routes starting at just $49 one-way.

Remember that Frontier is a low-cost carrier, so you’ll pay fees for checked baggage when booking the cheapest tickets.

Bottom Line:

The low-cost airline industry in the U.S. is entering unprecedented times. Southwest has completely changed its business model, Spirit’s days appear to be numbered, and Frontier won’t stop adding new routes.

Final Thoughts

Frontier Airlines is solidifying its status as a robust low-cost carrier with no less than 22 new routes spanning the Americas and the Caribbean.

With fares starting from just $19 one-way on some routes, look no further than Frontier as the cheapest airline around.