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Lake Eola fountain and the downtown Orlando skyline reflected in the lake at sunset

Allegiant at Knoxville · aircraft base since 2018

Allegiant at Knoxville: 21 nonstops, a few days a week.

Allegiant flies more destinations from TYS than any other airline, mostly Florida and leisure cities, usually two to four times a week, and some only in season. Here is the whole network and its patterns.

Photo: Photo via Pexels (pexels.com/photo/7453854)

Short answer

Allegiant flies 21 nonstop destinations from Knoxville (TYS): 13 year-round and 8 seasonal, usually 2 to 4 times a week. 15 of them no other airline flies from TYS. Knoxville has been an Allegiant aircraft base since October 2018.

Knoxville's biggest network

Allegiant at TYS, by the numbers

21Allegiant destinations from TYS today.
8Allegiant routes at TYS in June 2018, when the base was announced.
15routes only Allegiant flies from Knoxville.
2006the year Allegiant began flying at TYS (December).

Season board

Every Allegiant route, and when it flies.

Allegiant season board21 routes
Seasonal

Austin AUS

Usually 2 to 4x weekly · May-Aug per WVLT

Also: Southwest

Seasonal · Since Sep 2020

Boston BOS

Twice weekly

Only Allegiant flies it from TYS

Seasonal

Chicago (Midway) MDW

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Year-round

Denver DEN

Usually 2 to 4x weekly · low frequency

Also: United, Southwest

Year-round

Destin/Fort Walton Beach VPS

Usually 2 to 4x weekly · low frequency; peaks spring/summer

Only Allegiant flies it from TYS

Year-round

Fort Lauderdale FLL

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Seasonal · Since May 21, 2025

Gulf Shores/Orange Beach GUF

Up to 2x weekly, summer

Summer route: Allegiant showed no winter fares in our Nov 2026 to Feb 2027 check.

Only Allegiant flies it from TYS

Seasonal · Relaunched 2024 (seasonal)

Houston (Hobby) HOU

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Year-round · Added 2024

Jacksonville JAX

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Seasonal · Since Oct 3, 2025

Key West EYW

Usually 2 to 4x weekly · winter/spring

Allegiant's next Key West fares were in January 2027 at our October check.

Only Allegiant flies it from TYS

Year-round

Las Vegas LAS

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Seasonal · Since Sep 3, 2025

Memphis MEM

2x weekly

Only Allegiant flies it from TYS

Year-round

Newark EWR

2 to 3x weekly

Also: United

Year-round · Since May 2024

Orlando (International) MCO

Usually 2 to 4x weekly

Also: Southwest

Year-round

Orlando (Sanford) SFB

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Year-round · Since May 21, 2026

Philadelphia PHL

2x weekly

Also: American

Seasonal

Phoenix (Sky Harbor) PHX

Usually 2 to 4x weekly · no fares shown until Feb 28, 2027

Allegiant showed no Phoenix fares until February 28, 2027 at our October check.

Only Allegiant flies it from TYS

Year-round

Punta Gorda/Fort Myers PGD

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Year-round · Since Feb 14, 2025

Sarasota/Bradenton SRQ

Up to 2x weekly

Only Allegiant flies it from TYS

Year-round

St. Petersburg/Clearwater PIE

Usually 2 to 4x weekly

Only Allegiant flies it from TYS

Year-round · Since May 23, 2025

Washington (Dulles) IAD

Usually 2 to 4x weekly · from May 23, 2025

Also: United

Allegiant flies most TYS routes 2 to 4 times a week, and seasonal routes can pause for months. Season labels follow the airline, airport or news coverage; where none exists we used Allegiant's fare calendar for November 2026 to February 2027.

Map

The Allegiant map

Allegiant from Knoxville21 of 21 shown
AllegiantSeasonal or announced (dashed)
  • Austin AUS Allegiant · seasonal
  • Boston BOS Allegiant · seasonal
  • Chicago (Midway) MDW Allegiant · seasonal
  • Denver DEN Allegiant
  • Destin/Fort Walton Beach VPS Allegiant
  • Fort Lauderdale FLL Allegiant
  • Gulf Shores/Orange Beach GUF Allegiant · seasonal
  • Houston (Hobby) HOU Allegiant · seasonal
  • Jacksonville JAX Allegiant
  • Key West EYW Allegiant · seasonal
  • Las Vegas LAS Allegiant
  • Memphis MEM Allegiant · seasonal
  • Newark EWR Allegiant
  • Orlando (International) MCO Allegiant
  • Orlando (Sanford) SFB Allegiant
  • Philadelphia PHL Allegiant
  • Phoenix (Sky Harbor) PHX Allegiant · seasonal
  • Punta Gorda/Fort Myers PGD Allegiant
  • Sarasota/Bradenton SRQ Allegiant
  • St. Petersburg/Clearwater PIE Allegiant
  • Washington (Dulles) IAD Allegiant

Growth and competition

From 8 routes to 21

When Allegiant announced the Knoxville base on June 20, 2018, it flew eight nonstops from TYS. It now sells 21.

  1. June 20188
  2. October 202621

Where Allegiant competes

RouteAlso flown by
Austin AUSSouthwest
Denver DENUnited Southwest
Las Vegas LAS Southwest begins March 2027
Newark EWRUnited
Orlando (International) MCOSouthwest
Philadelphia PHLAmerican
Washington (Dulles) IADUnited
Lake Eola fountain and the downtown Orlando skyline reflected in the lake at sunset
MCO and SFBOrlandoTwo Orlando airports on Allegiant.
Fort Lauderdale Beach with palm trees, wide sand and high-rise condos lining the Atlantic shore
Year-roundFort LauderdaleA top-10 TYS route.
The Southernmost Point buoy in Key West, Florida, painted "90 Miles to Cuba", beside the open sea
SeasonalKey WestSince Oct 3, 2025.
The Las Vegas Strip at dusk with the Bellagio fountains, Caesars Palace and the Paris Las Vegas Eiffel Tower
Year-roundLas VegasThe longest TYS nonstop.

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Related

Questions

Where does Allegiant fly from Knoxville?
21 destinations as of October 19, 2026: Austin, Boston, Chicago (Midway), Denver, Destin/Fort Walton Beach, Fort Lauderdale, Gulf Shores/Orange Beach, Houston (Hobby), Jacksonville, Key West, Las Vegas, Memphis, Newark, Orlando (International), Orlando (Sanford), Philadelphia, Phoenix (Sky Harbor), Punta Gorda/Fort Myers, Sarasota/Bradenton, St. Petersburg/Clearwater, Washington (Dulles).
Is Knoxville an Allegiant base?
Yes. Allegiant announced a two-aircraft base at McGhee Tyson on June 20, 2018, with operations starting in October 2018, investing more than $50 million and planning up to 66 jobs. Allegiant first flew at TYS in December 2006.
How often does Allegiant fly from Knoxville?
Most TYS routes run 2 to 4 times a week, not daily. Philadelphia and Memphis are twice weekly, Newark 2 to 3 times a week, Gulf Shores and Sarasota up to twice weekly.
Which Allegiant routes from Knoxville are seasonal?
Austin, Boston, Chicago (Midway), Gulf Shores/Orange Beach, Houston (Hobby), Key West, Memphis, Phoenix (Sky Harbor).
Does Allegiant fly from Knoxville to Las Vegas?
Yes, year-round. Southwest plans to add Las Vegas in March 2027.
Can I connect on Allegiant?
No. Allegiant sells only point-to-point nonstop itineraries.

Sources

  1. Allegiant: flights from Knoxville
  2. Allegiant newsroom: Allegiant plans aircraft base in Tennessee (June 20, 2018)
  3. Wikipedia: Allegiant Air (sells only point-to-point nonstop itineraries)
  4. McGhee Tyson Airport: nonstop flights (airport page, 35 cities)
  5. McGhee Tyson Airport: Allegiant Sarasota service
  6. McGhee Tyson Airport: Allegiant begins nonstop service to Gulf Shores, AL
  7. McGhee Tyson Airport: Allegiant announces new routes to Florida, Alabama and D.C.
  8. McGhee Tyson Airport: Allegiant begins nonstop service to Memphis, TN
  9. McGhee Tyson Airport: Allegiant begins nonstop service to Key West, FL
  10. WVLT: Allegiant to add new nonstop destination from Knoxville (Nov 18, 2025)
  11. WVLT: United adds flight from McGhee Tyson to one of the nation's largest airports (Jul 16, 2026)
  12. WBIR: Allegiant adds new flights from Knoxville to Boston, Houston, Chicago and more
  13. Houston Airports: Allegiant launches seasonal nonstop flights Houston to Knoxville
  14. Wikipedia: McGhee Tyson Airport (airlines, top routes from USDOT)