Tampa / St. Pete to Knoxville Flights on Allegiant from $50*
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
*Modifying this information may result in a different fare
Flights from Tampa / St. Pete to Knoxville
*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 from Tampa / St. Pete to Knoxville
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: December 20 2025 | From $50 Seen: 18 minutes ago |
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: January 29 2026 | From $50 Seen: 4 minutes ago |
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: January 8 2026 | From $50 Seen: 23 hrs ago |
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: January 3 2026 | From $50 Seen: 12 hrs ago |
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: December 29 2025 | From $50 Seen: 1 hour ago |
| Tampa / St. Pete (PIE) | Knoxville (TYS) | One-way / Economy | Departing: February 20 2026 | From $50 Seen: 13 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.
Flight Details
Departing From:
St. Pete–Clearwater International Airport (PIE)
Arriving To:
McGhee Tyson Airport (TYS)
Average Flight Time:
01 hour 36 minutes
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.
About Knoxville
McGhee Tyson Airport is located 12 miles south from Knoxville. Explore and get to know Knoxville by booking a car along with your flight. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you rent a car with your flight to Knoxville.
Frequently Asked Questions
Yes, Allegiant provides in-flight service on every flight. For more details on the variety of snacks and drinks available on board flights for purchase, check out our In Flight Refreshments & Services page.
Yes, all Allegiant Air flights from Tampa / St. Pete to Knoxville are nonstop.
The day with the lowest fare can differ week to week. To find out what upcoming days have the lowest price to from fly Tampa / St. Pete to Knoxville, please check out our flight search tool, which makes finding our lowest fare a breeze.
You can make changes to your reservation from Tampa / St. Pete to Knoxville a breeze by clicking Manage Trips on our homepage. Fees and fare difference may apply.
Click Flight Status on our homepage to view the status of your upcoming flight from Tampa / St. Pete to Knoxville.
Yes you can book a rental car. Yes, rental car facilities are available in Knoxville. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you book a car together with your flight from Tampa / St. Pete to Knoxville. Allegiant’s travel bundle makes flying a breeze.
