Lowest Priced Flights to Tri-Cities on Allegiant starting at $53*
expand_more
1 Passenger
expand_morePromo Code
expand_moreexpand_more
today
today
*Modifying this information may result in a different fare
Best flights to Tri-Cities (TRI)
flight_takeoff
flight_land
$
Orlando/Sanford (SFB)to
Tri-Cities (TRI)Departing: August 10 2026
From
$53
Seen: 23 hrs ago
One-way
Economy
Tampa / St. Pete (PIE)to
Tri-Cities (TRI)Departing: July 20 2026
From
$98
Seen: 1 day ago
One-way
Economy
*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.
Cheap flights to Tri-Cities
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Orlando/Sanford (SFB) | Tri-Cities (TRI) | One-way / Economy | Departing: August 10 2026 | From $53 Seen: 23 hrs ago |
| Tampa / St. Pete (PIE) | Tri-Cities (TRI) | One-way / Economy | Departing: October 23 2026 | From $56 Seen: 1 hour 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.
Travel to Tri-Cities
Tri-Cities, TN is excited for your arrival. Whether you seek endless activities or plan to do some sight seeing, Allegiant Airlines can get you there. With nonstop flights and low airfare, we're here to help make your trip memorable.
To explore other Allegiant destinations, visit our route map. To earn 3X points on Allegiant purchases, learn more about our Allways Rewards Visa® card.
