Allegiant Air Flights: G4 Tickets at Best Deal Prices

Allegiant Air at a glance

A Las Vegas-based leisure airline that has linked smaller US cities to vacation spots with nonstop flights since 1999.

1999first flights
~124aircraft
4.4Mpassengers, Q1 2026
100%nonstop flights
Las Vegasheadquarters
Sun Countrypart of the group since May 2026

Top 10 Allegiant routes and typical fares

Allegiant goes where other airlines don’t: on nine of the ten routes below, it is the only airline flying nonstop. It also uses smaller airports, such as Orlando Sanford and St. Pete–Clearwater.

Typical round-trip fare, all airlines, past 12 months^*

AZAPhoenix–Mesa to 1h 33mNonstopPVUProvo

Round trip$180^*

LASLas Vegas to 1h 17mNonstopFATFresno

Round trip$117^*

SFBOrlando Sanford to 1h 33mNonstopAVLAsheville

Round trip$148^*

SFBOrlando Sanford to 2h 27mNonstopABEAllentown

Round trip$192^*

SFBOrlando Sanford to 1h 39mNonstopTYSKnoxville

Round trip$158^*

PIESt. Pete–Clearwater to 1h 40mNonstopTYSKnoxville

Round trip$176^*

SFBOrlando Sanford to 2h 42mNonstopGRRGrand Rapids

Round trip$243^*

PIESt. Pete–Clearwater to 2h 43mNonstopGRRGrand Rapids

Round trip$237^*

SFBOrlando Sanford to 2h 09mNonstopCVGCincinnati

Round trip$168^*

PIESt. Pete–Clearwater to 2h 11mNonstopCVGCincinnati

Round trip$185^*

*Average round-trip economy fare on the route across all airlines over the past 12 months, including all taxes and fees. Flight times reflect the past three months. These are not live quotes; your travel expert will price your exact dates.

Where Allegiant flies most

Allegiant bases its planes at leisure airports, usually the smaller alternative to a big city’s main airport. These four carry most of the routes on this page.

SFB
Orlando Sanford
Allegiant’s busiest Florida base: 12 nonstops a week each to Asheville, Allentown and Knoxville.
PIE
St. Pete–Clearwater
The quieter Tampa Bay airport, with 11 nonstops a week to Knoxville and 7 to Grand Rapids.
AZA
Phoenix–Mesa
Allegiant’s Arizona base, with 15 nonstops a week to Provo, Utah.
LAS
Las Vegas
Home to Allegiant’s headquarters, with 13 nonstops a week to Fresno.

Why book Allegiant Air with JustFlightsFares

Allegiant often has the only nonstop, but not every day. Our travel experts look at four things before quoting your fare.

We plan around the schedule

Many Allegiant routes run just a few days a week. We find the dates that work, so you don’t pay more for a one-stop on another airline.

We compare the smaller airport with the big one

Orlando Sanford sits north of Orlando, well away from Orlando International. We check whether the bigger airport is worth it once you count the drive.

We price the extras with you

Allegiant keeps base fares low and charges for add-ons. We build the total for what you need, so you can compare it fairly.

We show you Allegiant’s edge on shared routes

On Las Vegas to Fresno, Allegiant’s cheapest round trip has been about $62 against Southwest’s $234. We point out wins like that.

When Allegiant Air fares are lowest

Allegiant’s cheapest months are unusual. Four routes are cheapest in January, but the mountain routes to Asheville and Knoxville are cheapest in August.

Route	Cheapest month	Avg. fare that month	12-month average	Good-deal price
Phoenix–Mesa (AZA) – Provo (PVU)	February	$113	$180	Under $144
Las Vegas (LAS) – Fresno (FAT)	September	$85	$117	Under $81
Orlando Sanford (SFB) – Asheville (AVL)	August	$118	$148	Under $114
Orlando Sanford (SFB) – Allentown (ABE)	January	$134	$192	Under $151
Orlando Sanford (SFB) – Knoxville (TYS)	August	$111	$158	Under $122
St. Pete–Clearwater (PIE) – Knoxville (TYS)	August	$126	$176	Under $128
Orlando Sanford (SFB) – Grand Rapids (GRR)	December	$171	$243	Under $191
St. Pete–Clearwater (PIE) – Grand Rapids (GRR)	January	$175	$237	Under $187
Orlando Sanford (SFB) – Cincinnati (CVG)	January	$108	$168	Under $129
St. Pete–Clearwater (PIE) – Cincinnati (CVG)	January	$112	$185	Under $156

Round-trip economy averages, all airlines, including all taxes and fees.

Fly Friday from Las Vegas

Las Vegas–Fresno averages $86 round trip on a Friday departure against $192 on a Sunday.

Visit the mountains in late summer

Orlando Sanford–Knoxville drops to about $111 in August, and Orlando Sanford–Asheville to about $118.

Avoid Sunday returns

Sunday is the most expensive departure day on several routes, including St. Pete–Cincinnati at $278 versus $175 on a Saturday.

Allegiant Air flights: common questions

Where does Allegiant fly from?

Mostly from smaller and leisure airports. On this page, its busiest bases are Orlando Sanford, St. Pete–Clearwater, Phoenix–Mesa and Las Vegas.

Is Allegiant the only airline on its routes?

Usually. On nine of the ten routes on this page, Allegiant is the only airline flying nonstop, such as Orlando Sanford to Asheville and Phoenix–Mesa to Provo.

Does Allegiant own Sun Country Airlines?

Yes. Allegiant completed its acquisition of Sun Country on May 13, 2026. For now, both airlines keep their own brands, websites and loyalty programs.

How much is an Allegiant flight from Orlando Sanford to Knoxville?

Round trips averaged $158 over the past 12 months, usually between $122 and $207. August is cheapest, at about $111. Allegiant flies it about 12 times a week.

Does Allegiant fly nonstop only?

Yes. Allegiant sells nonstop flights only, with no connections.

Is JustFlightsFares part of Allegiant Air?

No. JustFlightsFares is an independent travel agency, not owned by or affiliated with Allegiant Air. Our travel experts book Allegiant flights for you and compare them with other airlines on your route.

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About this page. JustFlightsFares is an independent travel agency and is not affiliated with, endorsed by or sponsored by Allegiant Air. Allegiant Air, the G4 code and its logo are trademarks of their owner and appear here only to identify the airline. Fares change constantly, and we confirm the total price, including all taxes and fees, before you pay.

Last updated: October 14, 2026