Cheap flights from Tri-Cities Regional to Lambert-St. Louis Intl. (TRI to STL)

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Find The Best Dates To Fly from Tri-Cities Regional to Lambert-St. Louis Intl.

Compare Flight Prices from Tri-Cities to St. Louis

Affordable Airfare Tickets from TRI to STL Airport

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $712 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Sun, Apr 27 - Fri, May 2
TRI
Tri-Cities
STL
St. Louis
$712 Roundtrip, found 2 days ago
$712
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Apr 27 from Tri-Cities to St. Louis, returning Fri, May 2, priced at $712 found 2 days ago
Tue, Apr 29 - Tue, Apr 29
TRI
Tri-Cities
STL
St. Louis
$751 Roundtrip, found 2 days ago
$751
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Apr 29 from Tri-Cities to St. Louis, returning Tue, Apr 29, priced at $751 found 2 days ago
Mon, Apr 28 - Mon, Apr 28
TRI
Tri-Cities
STL
St. Louis
$842 Roundtrip, found 2 days ago
$842
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Apr 28 from Tri-Cities to St. Louis, returning Mon, Apr 28, priced at $842 found 2 days ago

Frequently asked questions

Can I catch a flight from TRI to St. Louis Lambert International Airport right now?
For any present St. Louis Lambert International Airport quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught out.
Are there direct flights from Tri-Cities Regional Airport (TRI) to STL?
There are no direct flights from Tri-Cities Regional Airport (TRI) to Lambert Field. But there are airlines which advertise flights with just one stopover. Check out American Airlines, Delta or Aeromexico.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to St. Louis Lambert International Airport, please visit our Customer Service Portal.
How long is the flight from TRI to St. Louis Lambert International Airport?
Flights between Blountville and St. Louis usually take around 3 hours and 26 minutes all up. Make the most of that time in the air by reading, snoozing away, watching a film or doing all three.
What is the flight distance from Tri-Cities Regional Airport (TRI) to Lambert Field?
There’s not much point settling in for a movie. We’ll be surprised if you even squeeze in a couple of episodes of your favorite show on the brief hop between Tri-Cities Regional Airport (TRI) and Lambert Field. You’ll only be traveling 460 mi.
What airlines fly from Tri-Cities Regional Airport (TRI) to Lambert Field?
You’ll need to make at least one stopover if you’re on your way from Tri-Cities Regional Airport (TRI) to Lambert-St. Louis Intl. Airport (STL), as no airlines offer direct flights on this route. Make the most of your layover by stretching your legs, freshening up and engaging in a little retail therapy.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Tri-Cities to St. Louis

 

Traveling From
Tri-Cities Regional
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$712

Route Info

Flight path for flights from Tri-Cities Regional Airport to Lambert-St. Louis International Airport


Origin:
TRI - Tri-Cities Regional Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
697.00 miles


Airlines & Aircraft Used on TRI to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
Embraer EMB.120 Brasilia

Discover our best flights from Tri-Cities TRI to St. Louis STL. 

With 3 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Tri-Cities TRI to St. Louis STL at the right price  

Airfares to St. Louis STL from Tri-Cities TRI currently cost between $712 and $842. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Tri-Cities TRI to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Tri-Cities TRI to St. Louis STL on Travelocity starting at . Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Tri-Cities TRI quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from TRI to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Tri-Cities TRI to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from TRI. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Tri-Cities TRI to St. Louis STL today 

If you’re flexible about when you travel, April is usually the cheapest month to fly from Tri-Cities TRI to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Tri-Cities TRI 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from TRI have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Tri-Cities TRI with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.