Book Cheap Allegiant Flights from Knoxville at $39*
expand_more
1 Passenger
expand_morePromo Code
expand_moreexpand_more
today
today
*Modifying this information may result in a different fare
Deals from Knoxville
flight_takeoff
flight_land
$
Knoxville (TYS)to
Ft. Lauderdale (FLL)Departing: May 7 2026From$53Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Tampa / St. Pete (PIE)Departing: June 16 2026From$50Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Orlando/Sanford (SFB)Departing: June 1 2026From$49Seen: 9 hrs agoOne-wayEconomy
Knoxville (TYS)to
Destin / Ft. Walton Beach (VPS)Departing: April 16 2026From$50Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Orlando (MCO)Departing: June 1 2026From$49Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Phoenix (PHX)Departing: April 30 2026From$86Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Las Vegas (LAS)Departing: May 15 2026From$98Seen: 13 hrs agoOne-wayEconomy
Knoxville (TYS)to
Boston (BOS)Departing: April 16 2026From$51Seen: 12 hrs agoOne-wayEconomy
Knoxville (TYS)to
Jacksonville (JAX)Departing: June 19 2026From$39Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Denver (DEN)Departing: July 2 2026From$72Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Washington, D.C. (IAD)Departing: June 29 2026From$40Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Key West (EYW)Departing: May 11 2026From$42Seen: 15 hrs agoOne-wayEconomy
Knoxville (TYS)to
New York / Newark (EWR)Departing: May 30 2026From$66Seen: 11 hrs agoOne-wayEconomy
Knoxville (TYS)to
Punta Gorda / Ft. Myers (PGD)Departing: May 12 2026From$49Seen: 9 hrs agoOne-wayEconomy
Knoxville (TYS)to
Gulf Shores (GUF)Departing: May 20 2026From$43Seen: 11 hrs agoOne-wayEconomy
Knoxville (TYS)to
Sarasota / Bradenton (SRQ)Departing: May 4 2026From$40Seen: 16 hrs agoOne-wayEconomy
Knoxville (TYS)to
Chicago (Midway) (MDW)Departing: June 4 2026From$64Seen: 1 day agoOne-wayEconomy
Knoxville (TYS)to
Houston (Hobby) (HOU)Departing: May 25 2026From$81Seen: 14 hrs agoOne-wayEconomy
Knoxville (TYS)to
Philadelphia (PHL)Departing: May 28 2026From$44Seen: 11 hrs agoOne-wayEconomy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals Knoxville
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Knoxville (TYS) | Ft. Lauderdale (FLL) | One-way / Economy | Departing: May 7 2026 | From $53 Seen: 1 day ago |
| Knoxville (TYS) | Tampa / St. Pete (PIE) | One-way / Economy | Departing: June 16 2026 | From $50 Seen: 1 day ago |
| Knoxville (TYS) | Orlando/Sanford (SFB) | One-way / Economy | Departing: June 1 2026 | From $49 Seen: 9 hrs ago |
| Knoxville (TYS) | Destin / Ft. Walton Beach (VPS) | One-way / Economy | Departing: April 16 2026 | From $50 Seen: 1 day ago |
| Knoxville (TYS) | Orlando (MCO) | One-way / Economy | Departing: June 1 2026 | From $49 Seen: 1 day ago |
| Knoxville (TYS) | Phoenix (PHX) | One-way / Economy | Departing: July 30 2026 | From $86 Seen: 1 day ago |
| Knoxville (TYS) | New York / Newark (EWR) | One-way / Economy | Departing: October 14 2026 | From $58 Seen: 1 day ago |
| Knoxville (TYS) | Las Vegas (LAS) | One-way / Economy | Departing: May 15 2026 | From $98 Seen: 13 hrs ago |
| Knoxville (TYS) | Boston (BOS) | One-way / Economy | Departing: April 16 2026 | From $51 Seen: 12 hrs ago |
| Knoxville (TYS) | Jacksonville (JAX) | One-way / Economy | Departing: June 19 2026 | From $39 Seen: 1 day ago |
| Knoxville (TYS) | Denver (DEN) | One-way / Economy | Departing: August 30 2026 | From $72 Seen: 1 day ago |
| Knoxville (TYS) | Washington, D.C. (IAD) | One-way / Economy | Departing: June 29 2026 | From $40 Seen: 1 day ago |
| Knoxville (TYS) | Key West (EYW) | One-way / Economy | Departing: May 11 2026 | From $42 Seen: 15 hrs ago |
| Knoxville (TYS) | Punta Gorda / Ft. Myers (PGD) | One-way / Economy | Departing: May 12 2026 | From $49 Seen: 9 hrs ago |
| Knoxville (TYS) | Gulf Shores (GUF) | One-way / Economy | Departing: May 20 2026 | From $43 Seen: 11 hrs ago |
| Knoxville (TYS) | Sarasota / Bradenton (SRQ) | One-way / Economy | Departing: May 4 2026 | From $40 Seen: 16 hrs ago |
| Knoxville (TYS) | Austin (AUS) | One-way / Economy | Departing: July 27 2026 | From $49 Seen: 1 day ago |
| Knoxville (TYS) | Chicago (Midway) (MDW) | One-way / Economy | Departing: July 26 2026 | From $61 Seen: 1 day ago |
| Knoxville (TYS) | Houston (Hobby) (HOU) | One-way / Economy | Departing: May 25 2026 | From $81 Seen: 14 hrs ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: May 28 2026 | From $44 Seen: 11 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Travel Tips
Bundles are packages of popular services with an added discount.
Select a bundle to:
-
Streamline the booking experience
-
Save time
-
Save money!
-
Click here for more information.
Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.
-
Benefits include free checked bag, carry on, etc. Click here to learn more.
Lock in the lowest price by adding your checked and carryon bags when you book your flight.
-
By charging for carry-ons, we ensure there is space for everyone who needs it.
-
This leads to speedier boarding. Click here to see your bag options.
To explore other Allegiant destinations, visit our route map. To earn 3X points on Allegiant purchases, learn more about our Allways Rewards Visa® card.
