Cheap flights from St. Louis to Missouri from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Missouri departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:10 am - 10:55 am
STL
-
MCI
4h 45m
1 stop
Southwest Logo
4:30 pm - 11:05 pm
MCI
-
STL
6h 35m
1 stop
$197Southwest
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
8:17 pm - 9:58 am
STL
-
MCI
13h 41m
1 stop
Multiple Airlines Logo
7:00 am - 9:13 pm
MCI
-
STL
14h 13m
1 stop
$202Multiple Airlines
Sat, Feb 28 - Mon, Mar 2
Frontier Logo
8:17 pm - 9:58 am
STL
-
MCI
13h 41m
1 stop
Frontier Logo
10:55 am - 11:59 pm
MCI
-
STL
13h 04m
2 stops
$211Frontier
Sat, Feb 28 - Mon, Mar 2
United Airlines Logo
7:41 am - 12:19 pm
STL
-
MCI
4h 38m
1 stop
United Airlines Logo
3:22 pm - 9:07 pm
MCI
-
STL
5h 45m
1 stop
$213United Airlines
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
1:59 pm - 7:48 pm
STL
-
MCI
5h 49m
1 stop
Frontier Logo
10:53 am - 6:51 am
MCI
-
STL
19h 58m
1 stop
$249Frontier
Fri, Feb 27 - Sun, Mar 1
Southwest Logo
5:40 am - 12:00 pm
STL
-
MCI
6h 20m
1 stop
Southwest Logo
8:20 am - 9:25 am
MCI
-
STL
1h 05mnonstop
$264Southwest
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
11:32 am - 7:55 pm
STL
-
MCI
32h 23m
2 stops
Multiple Airlines Logo
6:04 pm - 12:15 pm
MCI
-
STL
18h 11m
1 stop
$271Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
9:59 am - 5:30 pm
STL
-
SGF
7h 31m
1 stop
American Airlines Logo
6:00 pm - 10:03 am
SGF
-
STL
16h 03m
1 stop
$355American Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
9:55 am - 5:38 pm
STL
-
JLN
7h 43m
1 stop
United Airlines Logo
8:54 am - 9:36 am
JLN
-
STL
24h 42m
1 stop
$507United Airlines
Wed, Mar 4 - Sat, Mar 7
American Airlines Logo
9:37 am - 10:35 pm
STL
-
SGF
12h 58m
1 stop
American Airlines Logo
7:34 am - 11:48 pm
SGF
-
STL
16h 14m
1 stop
$625American Airlines
Wed, Feb 25 - Sun, Mar 1

Frontier flights from St. Louis to Missouri

Our best Frontier deals on St. Louis to Missouri flight tickets
Frontier
Feb 28
STL8:17 pmLambert-St Louis
13h 41m
1 stop
MCI9:58 amKansas City
Mar 2
MCI10:55 amKansas City
13h 04m
2 stops
STL11:59 pmLambert-St Louis
$211
Frontier
Feb 27
STL1:59 pmLambert-St Louis
5h 49m
1 stop
MCI7:48 pmKansas City
Mar 1
MCI10:53 amKansas City
19h 58m
1 stop
STL6:51 amLambert-St Louis
$249
Frontier
Mar 1
STL10:11 pmLambert-St Louis
21h 37m
2 stops
MCI7:48 pmKansas City
Mar 6
MCI8:40 pmKansas City
13h 09m
1 stop
STL9:49 amLambert-St Louis
$288

Southwest flights from St. Louis to Missouri

Our best Southwest deals on St. Louis to Missouri flight tickets
Southwest
Apr 13
STL6:45 pmLambert-St Louis
4h 50m
1 stop
MCI11:35 pmKansas City
Apr 15
MCI4:50 pmKansas City
1h 05m
STL5:55 pmLambert-St Louis
$195
Southwest
Apr 13
STL5:40 amLambert-St Louis
3h 40m
1 stop
MCI9:20 amKansas City
Apr 15
MCI4:25 pmKansas City
5h 20m
1 stop
STL9:45 pmLambert-St Louis
$205
Southwest
Mar 23
STL3:45 pmLambert-St Louis
6h 40m
1 stop
MCI10:25 pmKansas City
Mar 26
MCI5:35 pmKansas City
5h 35m
1 stop
STL11:10 pmLambert-St Louis
$213

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Missouri 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 February 13, 2026.
Use the filters below to find and compare flights from St. Louis to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Wed 3/11

6:10 am-10:55 am

1 stop4h 45m

Kansas City

Wed 3/18

4:30 pm-11:05 pm

1 stop6h 35m

$197

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sat 2/28

8:17 pm-9:58 am

1 stop13h 41m

Kansas City

Mon 3/2

7:00 am-9:13 pm

1 stop14h 13m

$202

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sat 2/28

8:17 pm-9:58 am

1 stop13h 41m

Kansas City

Mon 3/2

10:55 am-11:59 pm

2 stops13h 04m

$211

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Thu 3/5

7:41 am-12:19 pm

1 stop4h 38m

Kansas City

Mon 3/9

3:22 pm-9:07 pm

1 stop5h 45m

$213

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Fri 2/27

1:59 pm-7:48 pm

1 stop5h 49m

Kansas City

Sun 3/1

10:53 am-6:51 am

1 stop19h 58m

$249

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Wed 3/11

5:40 am-12:00 pm

1 stop6h 20m

Kansas City

Wed 3/18

8:20 am-9:25 am

Nonstop1h 05m

$264

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Wed 3/11

11:32 am-7:55 pm

2 stops32h 23m

Kansas City

Wed 3/18

6:04 pm-12:15 pm

1 stop18h 11m

$271

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Tue 3/10

9:59 am-5:30 pm

1 stop7h 31m

Springfield-Branson

Tue 3/17

6:00 pm-10:03 am

1 stop16h 03m

$355

St. LouisJoplin

STL - JLN

STLJLN

Lambert-St Louis

Wed 3/4

9:55 am-5:38 pm

1 stop7h 43m

Joplin

Sat 3/7

8:54 am-9:36 am

1 stop24h 42m

$507

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Wed 2/25

9:37 am-10:35 pm

1 stop12h 58m

Springfield-Branson

Sun 3/1

7:34 am-11:48 pm

1 stop16h 14m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missouri from

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

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 Lambert-St Louis to Missouri flight route?

Fly from Lambert-St Louis to Kansas City for the best Lambert-St Louis - Missouri flight prices

What cabin class options are available on Lambert-St Louis to Missouri flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Missouri flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Missouri.

Cheap St. Louis to Missouri flight deals and tips

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

Best Price Found

$209

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from St. Louis in the past 72 hours is $209. The best round-trip flight deal from St. Louis to Missouri found on momondo in the last 72 hours is $350.
The fastest flight from St. Louis to Missouri takes 1h 05m
Direct flights go from St. Louis to Missouri every day.
There are 55 airports in Missouri. From St. Louis there are direct flights to Kansas City (MCI).
  • When did momondo last update prices for flights from Lambert-St Louis Airport to Missouri?

    Prices for flights from Lambert-St Louis Airport to Missouri refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Missouri?

  • How old do you have to be to fly from Lambert-St Louis Airport to Missouri?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The travel and health documents you'll need for your trip to Missouri may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missouri. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Missouri?

Best airlines flying from St. Louis to Missouri

Compare and see reviews for airlines that fly from St. Louis to Missouri with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $97Free CancellationRating
8.0
4,283 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find St. Louis to Missouri flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Missouri that suits you.

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

Flights from St. Louis to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between St. Louis and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from St. Louis and alert you when they change.

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1 adult
Sun 3/15
Sun 3/22

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