What is the cheapest airline that flies from Lambert-St Louis to Missouri?

Frontier and Southwest are the most popular carriers operating from Lambert-St Louis to Missouri

How many flights depart from St. Louis to Missouri on average per week?

As of April 2026, 15 flights take off from St. Louis and land in Missouri each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

How many flights depart from St. Louis to Missouri on average per day?

2 flights are operational daily from St. Louis to Missouri as of April 2026. The most popular departure time for this route is 8:00AM, with 36% of flights per day taking off at noon.

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?

There are 2 operators available for flights from Lambert-St Louis Airport to Missouri as of April 2026.

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.

$81 Cheap Flights from St. Louis to Missouri in 2026

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Find the cheapest flights from St. Louis to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:33 pm - 5:29 pm

STL

MCI

22h 56m

1 stop

2:34 pm - 6:06 pm

MCI

STL

27h 32m

2 stops

$248Frontier

Tue, May 12 - Tue, May 19

8:17 pm - 1:30 pm

STL

MCI

17h 13m

1 stop

2:15 pm - 7:32 pm

MCI

STL

5h 17m

1 stop

$270Frontier

Sat, Apr 18 - Mon, Apr 20

9:58 pm - 2:06 pm

STL

MCI

16h 08m

2 stops

11:53 am - 6:50 am

MCI

STL

18h 57m

1 stop

$290Frontier

Fri, Apr 24 - Sun, Apr 26

6:51 pm - 5:29 pm

STL

MCI

22h 38m

2 stops

2:34 pm - 6:06 pm

MCI

STL

27h 32m

2 stops

$297Frontier

Tue, May 12 - Tue, May 19

11:25 am - 10:34 am

STL

MCI

23h 09m

1 stop

11:13 am - 11:19 pm

MCI

STL

36h 06m

2 stops

$312Multiple Airlines

Thu, Apr 23 - Mon, Apr 27

3:33 pm - 9:33 am

STL

SGF

18h 00m

2 stops

10:26 am - 12:14 am

SGF

STL

13h 48m

1 stop

$428Multiple Airlines

Tue, Aug 25 - Wed, Sep 2

7:05 am - 5:35 pm

STL

SGF

10h 30m

1 stop

10:21 am - 7:33 pm

SGF

STL

9h 12m

1 stop

$429American Airlines

Sat, Apr 25 - Sat, May 2

6:00 am - 1:22 pm

STL

JLN

7h 22m

1 stop

8:54 am - 12:11 pm

JLN

STL

27h 17m

1 stop

$490United Airlines

Thu, Jun 4 - Sun, Jun 7

5:51 am - 5:35 pm

STL

SGF

11h 44m

1 stop

2:21 pm - 11:54 pm

SGF

STL

9h 33m

1 stop

$570American Airlines

Wed, May 20 - Tue, May 26

7:45 am - 1:12 pm

STL

JLN

5h 27m

1 stop

8:56 am - 8:25 am

JLN

STL

23h 29m

1 stop

$627United Airlines

Fri, Apr 17 - Sun, Apr 19

Frontier flights from St. Louis to Missouri

Our best Frontier deals on St. Louis to Missouri flight tickets

Frontier

May 12

STL6:33 pmLambert-St Louis

22h 56m

1 stop

MCI5:29 pmKansas City

May 19

MCI2:34 pmKansas City

27h 32m

2 stops

STL6:06 pmLambert-St Louis

$248

Frontier

Apr 24

STL9:58 pmLambert-St Louis

16h 08m

2 stops

MCI2:06 pmKansas City

Apr 26

MCI11:53 amKansas City

18h 57m

1 stop

STL6:50 amLambert-St Louis

$290

Frontier

May 12

STL6:51 pmLambert-St Louis

22h 38m

2 stops

MCI5:29 pmKansas City

May 19

MCI2:34 pmKansas City

27h 32m

2 stops

STL6:06 pmLambert-St Louis

$297

United Airlines flights from St. Louis to Missouri

Our best United Airlines deals on St. Louis to Missouri flight tickets

United Airlines

May 9

STL11:15 amLambert-St Louis

7h 00m

1 stop

MCI6:15 pmKansas City

May 13

MCI6:17 amKansas City

6h 30m

1 stop

STL12:47 pmLambert-St Louis

$403

United Airlines

May 9

STL6:00 amLambert-St Louis

8h 01m

1 stop

MCI2:01 pmKansas City

May 13

MCI2:59 pmKansas City

7h 31m

1 stop

STL10:30 pmLambert-St Louis

$413

United Airlines

Apr 14

STL9:10 amLambert-St Louis

5h 15m

1 stop

MCI2:25 pmKansas City

Apr 14

MCI5:05 pmKansas City

4h 47m

1 stop

STL9:52 pmLambert-St Louis

$467

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 5/12

6:33 pm-5:29 pm

1 stop22h 56m

Kansas City

Tue 5/19

2:34 pm-6:06 pm

2 stops27h 32m

$248

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sat 4/18

8:17 pm-1:30 pm

1 stop17h 13m

Kansas City

Mon 4/20

2:15 pm-7:32 pm

1 stop5h 17m

$270

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Fri 4/24

9:58 pm-2:06 pm

2 stops16h 08m

Kansas City

Sun 4/26

11:53 am-6:50 am

1 stop18h 57m

$290

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 5/12

6:51 pm-5:29 pm

2 stops22h 38m

Kansas City

Tue 5/19

2:34 pm-6:06 pm

2 stops27h 32m

$297

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Thu 4/23

11:25 am-10:34 am

1 stop23h 09m

Kansas City

Mon 4/27

11:13 am-11:19 pm

2 stops36h 06m

$312

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Tue 8/25

3:33 pm-9:33 am

2 stops18h 00m

Springfield-Branson

Wed 9/2

10:26 am-12:14 am

1 stop13h 48m

$428

Quickest round-trip

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Sat 4/25

7:05 am-5:35 pm

1 stop10h 30m

Springfield-Branson

Sat 5/2

10:21 am-7:33 pm

1 stop9h 12m

$429

St. LouisJoplin

STL - JLN

STLJLN

Lambert-St Louis

Thu 6/4

6:00 am-1:22 pm

1 stop7h 22m

Joplin

Sun 6/7

8:54 am-12:11 pm

1 stop27h 17m

$490

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Wed 5/20

5:51 am-5:35 pm

1 stop11h 44m

Springfield-Branson

Tue 5/26

2:21 pm-11:54 pm

1 stop9h 33m

$570

St. LouisJoplin

STL - JLN

STLJLN

Lambert-St Louis

Fri 4/17

7:45 am-1:12 pm

1 stop5h 27m

Joplin

Sun 4/19

8:56 am-8:25 am

1 stop23h 29m

$627

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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	$210
Fastest flight time	1h 05m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Missouri	55 airports

The best one-way flight to Missouri from St. Louis in the past 72 hours is $210. The best round-trip flight deal from St. Louis to Missouri found on momondo in the last 72 hours is $332.

The fastest flight from St. Louis to Missouri takes 1h 05m

Direct flights go from St. Louis to Missouri on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.

There are 55 airports in Missouri. From St. Louis there are direct flights to Kansas City (MCI).

Search flight deals

Frequently asked questions about flying from St. Louis to Missouri

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?
There are 2 operators available for flights from Lambert-St Louis Airport to Missouri as of April 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Missouri is Boeing 737 MAX 8, representing 40.20% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 26.47%, Embraer 175 at 4.90%, and Airbus A319 at 4.90%.

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
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,335 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.