SOUTH BEND, Ind. May 21, 2025 — Allegiant Travel Company (NASDAQ: ALGT) today announced five new nonstop routes to eight cities around the country. To celebrate, the company is offering one-way fares on the new routes as low as $39.*

The routes, launching this fall, will provide the only nonstop service between these cities. Additionally, the airline added an intrastate route for travelers in Tennessee.

"This expansion caters to passengers and communities we feel have been overlooked by other carriers," said Drew Wells, Allegiant’s chief commercial officer. "Allegiant's unique business model, connecting small-to-medium sized cities to vacation destinations, creates accessible travel options not otherwise available in what we believe are underserved markets. We know travelers enjoy the convenience of nonstop flights departing from their neighborhood airport."

The new route from South Bend International Airport (SBN) in Indiana includes:
• Fort Lauderdale / Miami, Florida via Fort Lauderdale-Hollywood International Airport (FLL) – beginning August 29, 2025 with one-way fares as low as $59.*

“We are thrilled with Allegiant’s choice to offer year-round flights to Fort Lauderdale from SBN,” said Mike Daigle, South Bend International Airport’s CEO and executive director. “This flight gives our community the much-requested nonstop access to the southeast side of Florida including Miami and West Palm Beach.”

Allegiant’s full network expansion announced today includes six additional cities. The new nonstop routes include:
The new routes to McGhee Tyson Airport (TYS) in Tennessee include:
• Memphis, Tennessee via Memphis International Airport (MEM) – beginning September 4, 2025 with one-way fares as low as $39.*
• Key West, Florida via Key West International Airport (EYW) – beginning October 3, 2025 with one-way fares as low as $49.*

The new routes to Gulf Shores International Airport (GUF) in Alabama include:
• Appleton, Wisconsin via Appleton International Airport (ATW) – beginning October 2, 2025 with one-way fares as low as $59.*
• Des Moines, Iowa via Des Moines International Airport (DSM) – beginning October 3, 2025 with one-way fares as low as $59.*

A hallmark of Allegiant's leisure-focused business model is that it operates a network of only nonstop, point-to-point flights, making air travel a more seamless experience. Passengers spend less time at the airport and more time on vacation.

Flight days, times and the lowest fares can be found at Allegiant.com.

*About the introductory one-way fares:
Seats and dates are limited and fares are not available on all flights. Flights must be purchased by May 21, 2025 for travel by Feb. 9, 2026. Prices displayed includes taxes, carrier charges & government fees. Fare rules, routes and schedules are subject to change without notice. Optional baggage charges and additional restrictions may apply. For more details, optional services and baggage fees, please visit Allegiant.com.

Allegiant – Together We FlyTM
Las Vegas-based Allegiant (NASDAQ: ALGT) is an integrated travel company with an airline at its heart, focused on connecting customers with the people, places and experiences that matter most. Since 1999, Allegiant Air has linked travelers in small-to-medium cities to world-class vacation destinations with all-nonstop flights and industry-low average fares. Today, Allegiant’s fleet serves communities across the nation, with base airfares less than half the cost of the average domestic roundtrip ticket. For more information, visit us at Allegiant.com. Media information, including photos, is available at http://gofly.us/iiFa303wrtF