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Cheap flights from Kansas to St. Louis from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas to St. Louis departing on 5/1. 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 Kansas to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:15 pm - 7:21 pm
MCI
-
STL
5h 06m
1 stop
Frontier Logo
8:17 pm - 1:49 pm
STL
-
MCI
17h 32m
1 stop
$171Frontier
Fri, May 1 - Mon, May 4
Frontier Logo
11:19 am - 6:50 am
MCI
-
STL
19h 31m
1 stop
Frontier Logo
5:27 pm - 5:29 pm
STL
-
MCI
24h 02m
1 stop
$214Frontier
Fri, May 1 - Fri, May 8
Frontier Logo
2:15 pm - 7:32 pm
MCI
-
STL
5h 17m
1 stop
Frontier Logo
8:17 pm - 1:49 pm
STL
-
MCI
17h 32m
1 stop
$216Frontier
Mon, Apr 27 - Mon, May 4
Southwest Logo
1:00 pm - 10:00 pm
ICT
-
STL
9h 00m
1 stop
Southwest Logo
4:40 pm - 11:30 pm
STL
-
ICT
6h 50m
1 stop
$288Southwest
Tue, May 12 - Thu, May 14
Southwest Logo
5:05 am - 11:30 am
ICT
-
STL
6h 25m
1 stop
Southwest Logo
8:35 am - 2:10 pm
STL
-
ICT
5h 35m
1 stop
$289Southwest
Tue, Apr 28 - Tue, May 5
Delta Logo
7:33 am - 11:32 am
ICT
-
STL
3h 59m
1 stop
Delta Logo
9:15 am - 4:33 pm
STL
-
ICT
7h 18m
1 stop
$297Delta
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
8:40 am - 11:19 pm
TUL
-
STL
14h 39m
1 stop
Multiple Airlines Logo
3:33 pm - 12:36 pm
STL
-
TUL
21h 03m
2 stops
$302Multiple Airlines
Mon, Apr 27 - Thu, May 7
Multiple Airlines Logo
8:40 am - 11:19 pm
TUL
-
STL
14h 39m
1 stop
Multiple Airlines Logo
8:17 pm - 7:50 am
STL
-
TUL
35h 33m
2 stops
$306Multiple Airlines
Mon, Apr 27 - Sat, May 2
American Airlines Logo
3:46 pm - 8:19 pm
TUL
-
STL
4h 33m
1 stop
American Airlines Logo
6:06 am - 11:41 am
STL
-
TUL
5h 35m
1 stop
$309American Airlines
Tue, Sep 8 - Wed, Sep 9
American Airlines Logo
7:32 pm - 11:56 pm
TUL
-
STL
4h 24m
1 stop
American Airlines Logo
5:20 am - 10:23 am
STL
-
TUL
5h 03m
1 stop
$319American Airlines
Wed, May 13 - Sun, May 17

Delta flights from Kansas to St. Louis

Our best Delta deals on Kansas to St. Louis flight tickets
Delta
Apr 30
ICT7:33 amWichita Eisenhower National
3h 59m
1 stop
STL11:32 amLambert-St Louis
May 7
STL9:15 amLambert-St Louis
7h 18m
1 stop
ICT4:33 pmWichita Eisenhower National
$297
Delta
May 8
ICT5:19 pmWichita Eisenhower National
6h 40m
1 stop
STL11:59 pmLambert-St Louis
May 11
STL5:15 pmLambert-St Louis
4h 47m
1 stop
ICT10:02 pmWichita Eisenhower National
$323
Delta
Apr 7
ICT5:20 pmWichita Eisenhower National
6h 38m
1 stop
STL11:58 pmLambert-St Louis
Apr 14
STL11:42 amLambert-St Louis
4h 49m
1 stop
ICT4:31 pmWichita Eisenhower National
$347

Southwest flights from Kansas to St. Louis

Our best Southwest deals on Kansas to St. Louis flight tickets
Southwest
May 12
ICT1:00 pmWichita Eisenhower National
9h 00m
1 stop
STL10:00 pmLambert-St Louis
May 14
STL4:40 pmLambert-St Louis
6h 50m
1 stop
ICT11:30 pmWichita Eisenhower National
$288
Southwest
Apr 28
ICT5:05 amWichita Eisenhower National
6h 25m
1 stop
STL11:30 amLambert-St Louis
May 5
STL8:35 amLambert-St Louis
5h 35m
1 stop
ICT2:10 pmWichita Eisenhower National
$289
Southwest
May 12
ICT7:20 amWichita Eisenhower National
5h 40m
2 stops
STL1:00 pmLambert-St Louis
May 14
STL4:40 pmLambert-St Louis
6h 50m
1 stop
ICT11:30 pmWichita Eisenhower National
$293

momondo Fare Finder

 
Customize your flight search to find flights from Kansas 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 4, 2026.
Use the filters below to find and compare flights from Kansas to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 5/1

2:15 pm-7:21 pm

1 stop5h 06m

Lambert-St Louis

Mon 5/4

8:17 pm-1:49 pm

1 stop17h 32m

$171

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 5/1

11:19 am-6:50 am

1 stop19h 31m

Lambert-St Louis

Fri 5/8

5:27 pm-5:29 pm

1 stop24h 02m

$214

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Mon 4/27

2:15 pm-7:32 pm

1 stop5h 17m

Lambert-St Louis

Mon 5/4

8:17 pm-1:49 pm

1 stop17h 32m

$216

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Tue 5/12

1:00 pm-10:00 pm

1 stop9h 00m

Lambert-St Louis

Thu 5/14

4:40 pm-11:30 pm

1 stop6h 50m

$288

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Tue 4/28

5:05 am-11:30 am

1 stop6h 25m

Lambert-St Louis

Tue 5/5

8:35 am-2:10 pm

1 stop5h 35m

$289

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Thu 4/30

7:33 am-11:32 am

1 stop3h 59m

Lambert-St Louis

Thu 5/7

9:15 am-4:33 pm

1 stop7h 18m

$297

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Mon 4/27

8:40 am-11:19 pm

1 stop14h 39m

Lambert-St Louis

Thu 5/7

3:33 pm-12:36 pm

2 stops21h 03m

$302

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Mon 4/27

8:40 am-11:19 pm

1 stop14h 39m

Lambert-St Louis

Sat 5/2

8:17 pm-7:50 am

2 stops35h 33m

$306

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Tue 9/8

3:46 pm-8:19 pm

1 stop4h 33m

Lambert-St Louis

Wed 9/9

6:06 am-11:41 am

1 stop5h 35m

$309
Quickest round-trip

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Wed 5/13

7:32 pm-11:56 pm

1 stop4h 24m

Lambert-St Louis

Sun 5/17

5:20 am-10:23 am

1 stop5h 03m

$319

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 St. Louis from

How to get the cheapest flight ticket from Kansas 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 month to fly to St. Louis?

In general, April is the cheapest month to fly from Kansas to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $167. The month of February is another great option to travel to St. Louis, with average flight prices from Kansas averaging around $181.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $434. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Kansas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $402 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $404 per ticket.

What is the cheapest Kansas to Lambert-St Louis flight route?

Fly from Wichita Eisenhower National to Lambert-St Louis for the best Kansas - Lambert-St Louis flight prices

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

There is only 1 cabin class available to choose from on Kansas to Lambert-St Louis 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 Kansas to St. Louis flights?

You could potentially save up to 23% on your flight if you consider stops on a Kansas to St. Louis flight.

Cheap Kansas to St. Louis flight deals and tips

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

Best Price Found

$658

Fastest flight time

1h 05m

Direct flights

Every day

Airports in St. Louis

1 airport
The best flight deal from Kansas to St. Louis found on momondo in the last 72 hours is $658
The fastest flight from Kansas to St. Louis takes 1h 05m
Direct flights go from Kansas to St. Louis every day.
There is 1 airport in St. Louis. From Kansas there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Kansas to St. Louis

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

    Prices for flights from Kansas to Lambert-St Louis Airport were last updated today.

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

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

    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 Kansas to Lambert-St Louis Airport.

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

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. 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 Kansas to St. Louis?

Best airlines flying from Kansas to St. Louis

Compare and see reviews for airlines that fly from Kansas to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $97Free CancellationRating
8.0
4,343 reviews
Search Southwest flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,559 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
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
Litchfield
Shrewsbury
Grafton

Why use momondo?

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

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

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

Yes. All flights to St. Louis from Kansas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Kansas.

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

Price alerts on flights to St. Louis from Kansas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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