STL to TRI (St. Louis to Tri-Cities) Flights

Last Minute Flights from STL to TRI

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBlountvilleSeptember 21 to October 14$328
*Prices include taxes and fees

Cheapest STL to TRI Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLBlountvilleNovember 4 to November 11$307
STLBlountvilleNovember 23 to December 2$308
STLBlountvilleNovember 6 to November 9$309
STLBlountvilleSeptember 27 to October 14$313
*Prices include taxes and fees
STL to TRI Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Tri-Cities Regional
Destination airport IATA code
TRI
Distance
462 mi

Frequently asked questions

What airlines fly direct from STL to Tri-Cities Airport?
At the moment, no airlines fly straight from Lambert-St. Louis Intl. Airport (STL) to Tri-Cities Regional Airport (TRI). If you want to travel to Blountville, you'll need to book a flight with at least one stop.
How many flights are there from STL to TRI?
There are approximately 16 flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional), so you have plenty of ways to get to Blountville. Just pick a date and time that suits your schedule and lock in your fare.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
This flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) will take some 3 hours and 21 minutes. Use the time to bury your nose in the novel that's been lying beside your bed for a long time or just rest your eyes.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
St. Louis, MO (STL-Lambert-St. Louis Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) is a short-haul flight of 460 miles (750 1). You'll barely have time to get cozy in your seat before landing in Blountville.
How many morning flights are there from STL to TRI?
Those who prefer to rise early get to choose from 63 morning flights from STL to TRI every week.

  • American Airlines (AA) operates 42 weekly flights that jet off before midday. The first departure is 5:00AM.
  • Delta Air Lines (DL) offers 21 morning flights each week. The earliest time you can fly off with this airline is 5:36AM.

How many afternoon flights are there from STL to TRI?
Take your pick of 50 afternoon and evening flights from STL to TRI each week and say no to early morning starts.

  • Take off with American Airlines (AA), which has 26 afternoon and evening flights each week on this route. The earliest departure is scheduled for 1:11PM.
  • Another option is Delta Air Lines (DL). Find a seat on one of its 24 weekly afternoon and evening flights that head to TRI from 12:53PM.

What is the earliest departure time out of St. Louis to Blountville?
5:00AM is the earliest flight taking off from STL, landing at TRI at 2:49PM. Save valuable time in the morning by having your bags packed and ready to be tossed in the boot.
What is the latest departure time out of St. Louis to Blountville?
Secure a seat on the 7:20PM flight out of STL, arriving at TRI at 3:00PM, and give yourself time to wrap up any last-minute vacation preparations. This is the latest flight available on this route.
What is the average price from St. Louis to Blountville?
Round-trip fares between STL and TRI begin from around $307. When you're ready book your trip, we'll help you walk away with the hottest deal around. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Tri-Cities Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Tri-Cities to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to TRI, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Tri-Cities, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.