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Cheap flights from Blountville to St. Louis from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Blountville to St. Louis departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Blountville to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:17 pm - 6:50 am
TRI
-
STL
38h 33m
2 stops
Multiple Airlines Logo
4:59 pm - 4:27 pm
STL
-
TRI
22h 28m
1 stop
$288Multiple Airlines
Thu, Apr 23 - Wed, Apr 29
Delta Logo
7:19 pm - 11:36 pm
TRI
-
STL
5h 17m
1 stop
Delta Logo
9:59 am - 3:22 pm
STL
-
TRI
4h 23m
1 stop
$309Delta
Thu, Apr 23 - Wed, Apr 29
Delta Logo
7:19 pm - 11:36 pm
TRI
-
STL
5h 17m
1 stop
Delta Logo
4:41 pm - 10:32 pm
STL
-
TRI
4h 51m
1 stop
$314Delta
Thu, Apr 23 - Mon, Apr 27
American Airlines Logo
6:05 am - 9:44 am
TRI
-
STL
4h 39m
1 stop
American Airlines Logo
9:10 am - 3:45 pm
STL
-
TRI
5h 35m
1 stop
$319American Airlines
Tue, Apr 21 - Sat, Apr 25
American Airlines Logo
7:00 am - 11:37 am
TRI
-
STL
5h 37m
1 stop
American Airlines Logo
5:51 am - 2:30 pm
STL
-
TRI
7h 39m
2 stops
$324American Airlines
Tue, Apr 21 - Sat, Apr 25
Delta Logo
6:00 am - 9:46 am
TRI
-
STL
4h 46m
1 stop
Delta Logo
10:51 am - 3:27 pm
STL
-
TRI
3h 36m
1 stop
$338Delta
Thu, Jun 25 - Tue, Jun 30
American Airlines Logo
5:05 am - 11:47 am
TRI
-
STL
7h 42m
2 stops
American Airlines Logo
12:27 pm - 9:57 pm
STL
-
TRI
8h 30m
2 stops
$413American Airlines
Thu, Apr 23 - Mon, Apr 27
American Airlines Logo
6:05 am - 2:03 pm
TRI
-
STL
8h 58m
2 stops
American Airlines Logo
5:51 am - 3:45 pm
STL
-
TRI
8h 54m
2 stops
$418American Airlines
Tue, Apr 21 - Sat, Apr 25
Multiple Airlines Logo
3:16 pm - 12:14 am
TRI
-
STL
9h 58m
1 stop
Multiple Airlines Logo
6:58 pm - 2:32 pm
STL
-
TRI
42h 34m
2 stops
$433Multiple Airlines
Thu, Jun 25 - Tue, Jun 30
American Airlines Logo
6:54 am - 2:05 pm
TRI
-
STL
8h 11m
2 stops
American Airlines Logo
6:12 pm - 11:58 pm
STL
-
TRI
4h 46m
1 stop
$470American Airlines
Thu, Jul 2 - Mon, Jul 6

Delta flights from Blountville to St. Louis

Our best Delta deals on Blountville to St. Louis flight tickets
Delta
Apr 23
TRI7:19 pmBlountville Tri Cities TN/VA
5h 17m
1 stop
STL11:36 pmLambert-St Louis
Apr 29
STL9:59 amLambert-St Louis
4h 23m
1 stop
TRI3:22 pmBlountville Tri Cities TN/VA
$309
Delta
Apr 23
TRI7:19 pmBlountville Tri Cities TN/VA
5h 17m
1 stop
STL11:36 pmLambert-St Louis
Apr 27
STL4:41 pmLambert-St Louis
4h 51m
1 stop
TRI10:32 pmBlountville Tri Cities TN/VA
$314
Delta
Jun 25
TRI6:00 amBlountville Tri Cities TN/VA
4h 46m
1 stop
STL9:46 amLambert-St Louis
Jun 30
STL10:51 amLambert-St Louis
3h 36m
1 stop
TRI3:27 pmBlountville Tri Cities TN/VA
$338

American Airlines flights from Blountville to St. Louis

Our best American Airlines deals on Blountville to St. Louis flight tickets
American Airlines
Apr 21
TRI6:05 amBlountville Tri Cities TN/VA
4h 39m
1 stop
STL9:44 amLambert-St Louis
Apr 25
STL9:10 amLambert-St Louis
5h 35m
1 stop
TRI3:45 pmBlountville Tri Cities TN/VA
$319
American Airlines
Apr 21
TRI7:00 amBlountville Tri Cities TN/VA
5h 37m
1 stop
STL11:37 amLambert-St Louis
Apr 25
STL5:51 amLambert-St Louis
7h 39m
2 stops
TRI2:30 pmBlountville Tri Cities TN/VA
$324
American Airlines
Apr 23
TRI5:05 amBlountville Tri Cities TN/VA
7h 42m
2 stops
STL11:47 amLambert-St Louis
Apr 27
STL12:27 pmLambert-St Louis
8h 30m
2 stops
TRI9:57 pmBlountville Tri Cities TN/VA
$413

momondo Fare Finder

 
Customize your flight search to find flights from Blountville to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 7, 2026.
Use the filters below to find and compare flights from Blountville to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/23

5:17 pm-6:50 am

2 stops38h 33m

Lambert-St Louis

Wed 4/29

4:59 pm-4:27 pm

1 stop22h 28m

$288

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/23

7:19 pm-11:36 pm

1 stop5h 17m

Lambert-St Louis

Wed 4/29

9:59 am-3:22 pm

1 stop4h 23m

$309

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/23

7:19 pm-11:36 pm

1 stop5h 17m

Lambert-St Louis

Mon 4/27

4:41 pm-10:32 pm

1 stop4h 51m

$314

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Tue 4/21

6:05 am-9:44 am

1 stop4h 39m

Lambert-St Louis

Sat 4/25

9:10 am-3:45 pm

1 stop5h 35m

$319

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Tue 4/21

7:00 am-11:37 am

1 stop5h 37m

Lambert-St Louis

Sat 4/25

5:51 am-2:30 pm

2 stops7h 39m

$324
Quickest round-trip

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 6/25

6:00 am-9:46 am

1 stop4h 46m

Lambert-St Louis

Tue 6/30

10:51 am-3:27 pm

1 stop3h 36m

$338

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 4/23

5:05 am-11:47 am

2 stops7h 42m

Lambert-St Louis

Mon 4/27

12:27 pm-9:57 pm

2 stops8h 30m

$413

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Tue 4/21

6:05 am-2:03 pm

2 stops8h 58m

Lambert-St Louis

Sat 4/25

5:51 am-3:45 pm

2 stops8h 54m

$418

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 6/25

3:16 pm-12:14 am

1 stop9h 58m

Lambert-St Louis

Tue 6/30

6:58 pm-2:32 pm

2 stops42h 34m

$433

BlountvilleSt. Louis

TRI - STL

TRISTL

Blountville Tri Cities TN/VA

Thu 7/2

6:54 am-2:05 pm

2 stops8h 11m

Lambert-St Louis

Mon 7/6

6:12 pm-11:58 pm

1 stop4h 46m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Blountville to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Blountville Tri Cities TN/VA to Lambert-St Louis?

American Airlines is the most popular carrier operating from Blountville Tri Cities TN/VA to Lambert-St Louis

What airlines fly to St. Louis?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Blountville according to our data. Delta is the first choice among our users, with 52% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When to book flights from Blountville to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Blountville to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Blountville to St. Louis (TRI to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Blountville to St. Louis

Fastest flight time

5h 17m

Direct flights

None
The fastest flight from Blountville to St. Louis takes 5h 17m
There are no direct flights from Blountville to St. Louis. There are no popular flight routes from Blountville to St. Louis.
Search flight deals

Frequently asked questions about flying from Blountville to St. Louis

  • How far is Blountville Tri Cities TN/VA to Lambert-St Louis by plane?

    Lambert-St Louis is 454.1 mi away from Blountville Tri Cities TN/VA. Typically, this will take 5h 17m by plane in normal conditions.

  • When did momondo last update prices for flights from Blountville Tri Cities TN/VA Airport to Lambert-St Louis Airport?

    Prices for flights from Blountville Tri Cities TN/VA Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Blountville Tri Cities TN/VA Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Blountville Tri Cities TN/VA Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Blountville Tri Cities TN/VA Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Blountville to St. Louis?

Best airlines flying from Blountville to St. Louis

Compare and see reviews for airlines that fly from Blountville to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $152Free CancellationRating
7.9
8,387 reviews
Search Delta flights
American AirlinesPriceFrom $162Free CancellationRating
7.1
11,546 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
Litchfield
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Blountville to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Blountville to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Blountville to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Blountville with this policy.

How can momondo help me find flights from Blountville to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Blountville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Blountville to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Blountville to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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