Allegiant Air G4

127 nonstop destinations

Main hubs: Orlando (SFB) · Pinellas Park (PIE) · Las Vegas (LAS)

Cheap Allegiant Air nonstop deals

Direct round-trips on Allegiant Air below their typical price · updated continuously
Mesa Wichita (ICT)
🔥 41%
Allegiant Air
Jan 7 – Jan 14 · 7 nights
$101 typical $170
Des Moines Las Vegas (LAS)
▼ 15%
Allegiant Air Southwest
Oct 26 – Nov 2 · 7 nights
$362 typical $426
Watch cheap Allegiant Air deals The cheapest nonstop round-trips from Orlando (SFB), where Allegiant Air is based — free, weekly, no password.

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Where Allegiant Air flies nonstop

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About Allegiant Air

Allegiant Air (G4) operates 1064 nonstop routes to 127 destinations, departing from 126 airports. Its busiest bases by nonstop route count are Orlando (SFB), Pinellas Park (PIE) and Las Vegas (LAS). Updated 18 October 2026.

Busiest Allegiant Air routes

Frequently asked questions

Where does Allegiant Air fly?

Allegiant Air (G4) flies nonstop to 127 destinations, with the most routes from Orlando (SFB), Pinellas Park (PIE) and Las Vegas (LAS).

How many destinations does Allegiant Air fly to?

Allegiant Air operates 1064 nonstop routes serving 127 destinations.

What are Allegiant Air's main hubs?

Allegiant Air's busiest airports by nonstop route count are Orlando (SFB) (66 routes), Pinellas Park (PIE) (61 routes) and Las Vegas (LAS) (52 routes).

Which routes does Allegiant Air fly most frequently?

Allegiant Air's most frequent nonstop routes are FLL–BNA (multiple daily), BNA–FLL (multiple daily), DEN–CVG (multiple daily), FLL–CVG (multiple daily) and TYS–DEN (multiple daily).

Allegiant Air hubs: Orlando (SFB) Pinellas Park (PIE) Las Vegas (LAS) Punta Gorda (PGD) Mesa (AZA) Fort Lauderdale (FLL)