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

Frontier, American Airlines, and United Airlines 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 December 2025, 9 flights take off from St. Louis and land in Missouri each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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

1 flights are operational daily from St. Louis to Missouri as of December 2025. The most popular departure time for this route is 9:00AM, with 40% 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 December 2025.

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 2025/26

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Find the cheapest flights from St. Louis to Missouri

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:11 pm - 4:09 pm

STL

MCI

22h 58m1 stop

5:04 pm - 11:33 pm

MCI

STL

30h 29m1 stop

$190Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

5:11 pm - 10:31 am

STL

MCI

41h 20m2 stops

5:04 pm - 11:33 pm

MCI

STL

30h 29m1 stop

$202Multiple Airlines

Tue, Jan 13 - Tue, Jan 20

3:43 pm - 10:09 am

STL

MCI

18h 26m1 stop

8:33 pm - 6:32 pm

MCI

STL

21h 59m1 stop

$216Frontier

Sun, Jan 11 - Thu, Jan 15

6:00 am - 2:11 pm

STL

MCI

8h 11m1 stop

1:42 pm - 8:58 pm

MCI

STL

7h 16m1 stop

$251United Airlines

Tue, Jan 13 - Tue, Jan 20

10:57 am - 10:08 am

STL

MCI

23h 11m1 stop

8:31 pm - 10:02 am

MCI

STL

13h 31m1 stop

$261Frontier

Sun, Jan 4 - Fri, Jan 9

5:30 am - 12:05 pm

STL

MCI

6h 35m1 stop

1:05 pm - 2:10 pm

MCI

STL

1h 05mnonstop

$281Southwest

Sat, Feb 14 - Sun, Feb 15

5:30 am - 12:05 pm

STL

MCI

6h 35m1 stop

12:00 pm - 5:35 pm

MCI

STL

5h 35m2 stops

$286Southwest

Sat, Feb 14 - Sun, Feb 15

6:44 pm - 11:49 am

STL

SGF

17h 05m1 stop

5:00 pm - 10:20 am

SGF

STL

17h 20m1 stop

$384American Airlines

Mon, Jan 12 - Mon, Jan 19

6:30 am - 2:38 pm

STL

SGF

8h 08m1 stop

3:14 pm - 10:58 pm

SGF

STL

7h 44m1 stop

$443United Airlines

Sat, Jan 10 - Wed, Jan 14

1:54 pm - 10:28 pm

STL

SGF

8h 34m1 stop

5:58 pm - 2:50 pm

SGF

STL

20h 52m1 stop

$532American Airlines

Tue, Dec 30 - Mon, Jan 5

United Airlines flights from St. Louis to Missouri

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

United Airlines

Jan 13

STL6:00 amLambert-St Louis

8h 11m

1 stop

MCI2:11 pmKansas City

Jan 20

MCI1:42 pmKansas City

7h 16m

1 stop

STL8:58 pmLambert-St Louis

$251

Find similar

United Airlines

Jan 12

STL4:15 pmLambert-St Louis

7h 15m

1 stop

MCI11:30 pmKansas City

Jan 19

MCI4:25 pmKansas City

5h 35m

1 stop

STL10:00 pmLambert-St Louis

$331

Find similar

United Airlines

Jan 18

STL6:30 amLambert-St Louis

4h 02m

1 stop

MCI10:32 amKansas City

Jan 22

MCI8:00 amKansas City

6h 30m

1 stop

STL2:30 pmLambert-St Louis

$341

Find similar

Southwest flights from St. Louis to Missouri

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

Southwest

Feb 14

STL5:30 amLambert-St Louis

6h 35m

1 stop

MCI12:05 pmKansas City

Feb 15

MCI1:05 pmKansas City

1h 05m

STL2:10 pmLambert-St Louis

$281

Find similar

Southwest

Feb 14

STL5:30 amLambert-St Louis

6h 35m

1 stop

MCI12:05 pmKansas City

Feb 15

MCI12:00 pmKansas City

5h 35m

2 stops

STL5:35 pmLambert-St Louis

$286

Find similar

Southwest

Feb 8

STL7:45 pmLambert-St Louis

1h 10m

MCI8:55 pmKansas City

Mar 9

MCI5:10 pmKansas City

1h 10m

STL6:20 pmLambert-St Louis

$361

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 1/13

5:11 pm-4:09 pm

1 stop22h 58m

Kansas City

Tue 1/20

5:04 pm-11:33 pm

1 stop30h 29m

$190

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 1/13

5:11 pm-10:31 am

2 stops41h 20m

Kansas City

Tue 1/20

5:04 pm-11:33 pm

1 stop30h 29m

$202

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sun 1/11

3:43 pm-10:09 am

1 stop18h 26m

Kansas City

Thu 1/15

8:33 pm-6:32 pm

1 stop21h 59m

$216

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 1/13

6:00 am-2:11 pm

1 stop8h 11m

Kansas City

Tue 1/20

1:42 pm-8:58 pm

1 stop7h 16m

$251

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sun 1/4

10:57 am-10:08 am

1 stop23h 11m

Kansas City

Fri 1/9

8:31 pm-10:02 am

1 stop13h 31m

$261

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sat 2/14

5:30 am-12:05 pm

1 stop6h 35m

Kansas City

Sun 2/15

1:05 pm-2:10 pm

Nonstop1h 05m

$281

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Sat 2/14

5:30 am-12:05 pm

1 stop6h 35m

Kansas City

Sun 2/15

12:00 pm-5:35 pm

2 stops5h 35m

$286

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Mon 1/12

6:44 pm-11:49 am

1 stop17h 05m

Springfield-Branson

Mon 1/19

5:00 pm-10:20 am

1 stop17h 20m

$384

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Sat 1/10

6:30 am-2:38 pm

1 stop8h 08m

Springfield-Branson

Wed 1/14

3:14 pm-10:58 pm

1 stop7h 44m

$443

St. LouisSpringfield

STL - SGF

STLSGF

Lambert-St Louis

Tue 12/30

1:54 pm-10:28 pm

1 stop8h 34m

Springfield-Branson

Mon 1/5

5:58 pm-2:50 pm

1 stop20h 52m

$532

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?

You could potentially save up to 18% on your flight if you consider stops on a St. Louis to Missouri flight.

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

Fastest flight time	1h 10m
Direct flights	Every day
Airports in Missouri	55 airports

The fastest flight from St. Louis to Missouri takes 1h 10m

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).

Search flight deals

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 December 2025.
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 18.03% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 18.03%, Boeing 737-800 Passenger/BBJ2 (winglets) at 18.03%, and Airbus A320neo at 8.20%.

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 7.9 4,250 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.

An easier way to manage your Missouri trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fri 1/16

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Find better results for your trip to Missouri

Popular cities in Missouri

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $48

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Cheap flights from St. Louis to Missouri from $81

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 2/14. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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United Airlines flights from St. Louis to Missouri

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

Southwest flights from St. Louis to Missouri

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

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See travel insights to Missouri from

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

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?

You could potentially save up to 18% on your flight if you consider stops on a St. Louis to Missouri flight.

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

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Missouri

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

1 flights are operational daily from St. Louis to Missouri as of December 2025. The most popular departure time for this route is 9:00AM, with 40% of flights per day taking off at noon.

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

As of December 2025, 9 flights take off from St. Louis and land in Missouri each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Missouri

When did momondo last update prices for flights from Lambert-St Louis Airport to Missouri?

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Missouri trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Missouri

Popular cities in Missouri

Popular flights according to clicks in the last 7 days on momondo