Direct flights with Allegiant Air (G4) - Find any non-stop route

Allegiant Air was founded in 1997 and is today one of the prominent ultra-low-cost carriers in the USA. Allegiant flies over 125 narrow-body aircraft to 120+ airports in the country, focusing on smaller cities and popular leisure spots.

All its flights are point-to-point, as its model prioritizes low operating costs, utilizing secondary airports and including minimal amenities in its standard fares. Other prominent low-cost airlines in the USA are Spirit and Frontier.

To browse the 500+ routes that Allegiant offers, choose a departure and/or destination airport in the filter below. This will display all nonstop Allegiant routes from/to that location. You can filter flights by frequency, duration, or aircraft used.

Allegiant Air’s bases and focus cities

Allegiant does not use traditional hubs like legacy airlines but operates out of several bases spread throughout the USA:

• Las Vegas (LAS): Allegiant’s largest destination with service to and from 45+ cities.

• Orlando Sanford (SFB): Allegiant holds a nearly 100% market share in this major Florida beach gateway.

• Phoenix-Mesa (AZA): An important focus city for the airline.

• Fort Lauderdale (FLL): Over 30 routes offered by Allegiant.

Other focus cities include St. Petersburg–Clearwater (PIE), Punta Gorda (PGD), Destin/Fort Walton Beach (VPS), Des Moines (DSM), Cincinnati (CVG), Sarasota (SRQ), Indianapolis (IND), among others.

Domestic nonstop flights with Allegiant Air

Allegiant backs leisure-driven routes, especially to underserved, smaller airports and famous tourist destinations. It does not have international flights - all 500+ of its routes are within the USA.

The airline usually offers 2-4 flights weekly on most of its routes.

The busiest include:

• Fort Lauderdale (FLL) - Asheville (AVL): Allegiant’s busiest route with 15 flights weekly.

• Las Vegas (LAS) - Fresno (FAT): A short but very popular route in the US’s southwest.

• Phoenix-Mesa (AZA) - Provo (PVU): Allegiant is the only airline serving this route between Arizona and Utah.

• Provo (PVU) - Orlando Sanford (SFB): One of Allegiant’s longest routes at just over 4 hours in the sky.

• Grand Rapids (GRR) - Orlando Sanford (SFB): A busy leisure route in both directions.

• Sioux Falls (FSD) - Phoenix-Mesa (AZA): A popular, 5 times weekly service that only Allegiant Air offers.

Allegiant’s seasonal flights

Owing to Allegiant’s aim to open new and exciting leisure routes, it is often the first airline to roll out flights at small airports. Many of them are leisure destinations, so a lot of the flights follow seasonality patterns, with frequency changing depending on the month.

Here are some new or seasonal routes where Allegiant is the only airline available:

• Gulf Shores (GUF) - Houston Hobby (HOU): Allegiant is currently the only airline at the recently opened Gulf Shores Airport. Service is twice weekly.

• Gulf Shores (GUF) - Cincinnati (CVG): Also part of the new routes opened from GUF. This is the most frequent service with 5 flights every week.

• Mesa-Phoenix (AZA) - Billings (BIL): BIL is one of the top leisure destinations from AZA.

• Punta Gorda (PGD) - Sioux Falls (FSD): A rare route with strong potential for holidaymakers in both directions. Starting in October 2025.

• Portsmouth (PSM) - Sarasota (SRQ): Another flight added to the schedule from October 2025 with 2 flights weekly.

Allegiant constantly opens and closes routes based on demand, so come back and check the filter above next time you're looking for a direct flight with the airline to see the most up-to-date schedule!