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Cheap flights from Kansas City to St. Louis (MCI - STL) from $108

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MCI — STL
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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Cheap flight deals from Kansas City to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

February

Cheapest in

December

Round-trip from

$319

One-way from

$118
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 34% potential price drop
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From Kansas City to Lambert-St Louis
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One-way flight from Kansas City to Lambert-St Louis
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What is the cheapest day to fly round-trip from Kansas City to St. Louis?

Travelers have found that booking a Tuesday departure is the best way to save up to 64% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest time of day to fly from MCI to STL?

When flying from Kansas City to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 35% versus a flight at noon.

Cheap Spirit Airlines flights from Kansas City to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Kansas City and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Kansas City to St. Louis. Make sure to check back often as deals are often changing.
Fri 9/136:51 pmMCI - STL
1 stop22h 39mSpirit Airlines
Mon 9/234:31 pmSTL - MCI
1 stop24h 25mSpirit Airlines
Deal found 5/29$171
Thu 6/275:10 amMCI - STL
1 stop14h 12mSpirit Airlines
Thu 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/30$244
Mon 6/246:49 pmMCI - STL
2 stops16h 08mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$274
Fri 6/146:49 pmMCI - STL
1 stop22h 39mSpirit Airlines
Mon 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$292
Wed 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
Sun 6/166:55 pmSTL - MCI
1 stop13h 44mSpirit Airlines
Deal found 5/30$321
Mon 6/245:11 pmMCI - STL
3 stops21h 12mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$362
Fri 6/286:59 amMCI - STL
1 stop7h 17mSpirit Airlines
Fri 7/53:07 pmSTL - MCI
2 stops24h 48mSpirit Airlines
Deal found 5/29$363

Cheap American Airlines flights from Kansas City to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Kansas City and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Kansas City to St. Louis. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 6/287:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Fri 7/57:00 amSTL - MCI
1 stop8h 28mAmerican Airlines
Deal found 5/29$290
Mon 7/15:48 amMCI - STL
1 stop4h 44mAmerican Airlines
Mon 7/15:27 pmSTL - MCI
1 stop5h 40mAmerican Airlines
Deal found 5/29$310
Thu 6/67:21 amMCI - STL
1 stop4h 53mAmerican Airlines
Sat 6/84:55 pmSTL - MCI
1 stop4h 23mAmerican Airlines
Deal found 5/29$442
Mon 7/17:08 amMCI - STL
1 stop6h 04mAmerican Airlines
Mon 7/15:27 pmSTL - MCI
2 stops16h 33mAmerican Airlines
Deal found 5/29$533
Sun 6/235:05 amMCI - STL
2 stops8h 07mAmerican Airlines
Sun 6/305:38 pmSTL - MCI
1 stop5h 19mAmerican Airlines
Deal found 5/29$660
Wed 6/126:28 pmMCI - STL
1 stop5h 35mAmerican Airlines
Sun 6/167:00 amSTL - MCI
2 stops8h 32mAmerican Airlines
Deal found 5/30$692

Cheap Kansas City to St. Louis flights in May & June 2024

Find cheap flight options from Kansas City to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
Thu 6/275:10 amMCI - STL
1 stop14h 12mSpirit Airlines
Thu 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/30$244
Sun 6/238:00 amMCI - STL
1 stop9h 25mSun Country Air
Sun 6/305:45 pmSTL - MCI
1 stop23h 48mSun Country Air
Deal found 5/29$257
Mon 6/246:49 pmMCI - STL
2 stops16h 08mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$274
Fri 6/287:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Fri 7/57:00 amSTL - MCI
1 stop8h 28mAmerican Airlines
Deal found 5/29$290
Fri 6/146:49 pmMCI - STL
1 stop22h 39mSpirit Airlines
Mon 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$292
Wed 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
Sun 6/166:55 pmSTL - MCI
1 stop13h 44mSpirit Airlines
Deal found 5/30$321
Mon 6/245:11 pmMCI - STL
3 stops21h 12mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$362
Fri 6/286:59 amMCI - STL
1 stop7h 17mSpirit Airlines
Fri 7/53:07 pmSTL - MCI
2 stops24h 48mSpirit Airlines
Deal found 5/29$363
Mon 6/105:11 pmMCI - STL
1 stop17h 46mSpirit Airlines
Fri 6/143:07 pmSTL - MCI
1 stop15h 02mSpirit Airlines
Deal found 5/30$379

Kansas City to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Kansas City and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
Fri 9/136:51 pmMCI - STL
1 stop22h 39mSpirit Airlines
Mon 9/234:31 pmSTL - MCI
1 stop24h 25mSpirit Airlines
Deal found 5/29$171
Thu 6/275:10 amMCI - STL
1 stop14h 12mSpirit Airlines
Thu 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/30$244
Sun 6/238:00 amMCI - STL
1 stop9h 25mSun Country Air
Sun 6/305:45 pmSTL - MCI
1 stop23h 48mSun Country Air
Deal found 5/29$257
Mon 6/246:49 pmMCI - STL
2 stops16h 08mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$274
Fri 6/287:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Fri 7/57:00 amSTL - MCI
1 stop8h 28mAmerican Airlines
Deal found 5/29$290
Fri 6/146:49 pmMCI - STL
1 stop22h 39mSpirit Airlines
Mon 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$292
Mon 7/15:48 amMCI - STL
1 stop4h 44mAmerican Airlines
Mon 7/15:27 pmSTL - MCI
1 stop5h 40mAmerican Airlines
Deal found 5/29$310
Wed 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
Sun 6/166:55 pmSTL - MCI
1 stop13h 44mSpirit Airlines
Deal found 5/30$321
Mon 6/245:11 pmMCI - STL
3 stops21h 12mSpirit Airlines
Mon 7/12:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/29$362

Kansas City to St. Louis flights leaving soon

Find last-minute flight options from Kansas City to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Book one of these great deals on flights from Kansas City to St. Louis. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 6/67:21 amMCI - STL
1 stop4h 53mAmerican Airlines
Sat 6/84:55 pmSTL - MCI
1 stop4h 23mAmerican Airlines
Deal found 5/29$442

One-way flights to St. Louis from Kansas City

Search for one-way flight options from Kansas City to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Kansas City to St. Louis can choose from these deals. Users can also find round-trip Kansas City to St. Louis flights by using the search form above.
Wed 6/197:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Deal found 5/29$108
Tue 7/27:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Deal found 5/29$117
Tue 6/187:15 pmMCI - STL
1 stop25h 51mSun Country Air
Deal found 5/29$118
Wed 6/125:28 pmMCI - STL
2 stops24h 00mSpirit Airlines
Deal found 5/29$140
Wed 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
Deal found 5/29$157
Wed 6/196:59 amMCI - STL
2 stops14h 07mMultiple Airlines
Deal found 5/29$158
Tue 6/185:10 amMCI - STL
3 stops10h 55mMultiple Airlines
Deal found 5/29$166
Thu 7/42:45 pmMCI - STL
2 stops18h 44mMultiple Airlines
Deal found 5/29$168
Wed 6/125:28 pmMCI - STL
3 stops43h 22mMultiple Airlines
Deal found 5/29$170

Find flights from Kansas City to St. Louis within your budget

Customize your flight search to find flights from Kansas City 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, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$171 - $461

Route

Depart

Return

Price

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Fri 9/13

1 stop22h 39m

Lambert-St Louis

Mon 9/23

1 stop24h 25m

$171

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Thu 6/27

1 stop14h 12m

Lambert-St Louis

Thu 7/4

1 stop23h 37m

$244

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Sun 6/23

1 stop9h 25m

Lambert-St Louis

Sun 6/30

1 stop23h 48m

$257

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Mon 6/24

2 stops16h 08m

Lambert-St Louis

Mon 7/1

1 stop15h 28m

$274

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Fri 6/28

1 stop10h 10m

Lambert-St Louis

Fri 7/5

1 stop8h 28m

$290

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Fri 6/14

1 stop22h 39m

Lambert-St Louis

Mon 6/17

1 stop15h 28m

$292

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Mon 7/1

1 stop4h 44m

Lambert-St Louis

Mon 7/1

1 stop5h 40m

$310

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Fri 6/28

3 stops20h 01m

Lambert-St Louis

Fri 7/5

1 stop7h 00m

$393

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

Thu 6/27

1 stop9h 40m

Lambert-St Louis

Thu 7/4

2 stops22h 41m

$461

Flights are sorted by cheapest first

Deals found on 5/29

What is the cheapest day to fly from Kansas City to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to St. Louis. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Kansas City to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Kansas City to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated May 30, 2024.
See what other customers who have flown with Spirit Airlines, American Airlines and United Airlines from Kansas City to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,777 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

United Airlines
7.4
Good
10,777 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

American Airlines
7.3
Good
14,284 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Sun Country Air
7.2
Good
597 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Spirit Airlines
6.4
Okay
8,616 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.2

Crew

8.1

Overall

7.4

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Related info for your journey

Find useful and relevant information for your journey from Kansas City to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Kansas City to St. Louis?

    Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Kansas City. Booking flights from Kansas City (MCI) to Lambert-St Louis (STL) should be relatively easy as there are 2 daily flights to St. Louis from 1 airline. 4h 53m is how long a flight from Kansas City to Lambert-St Louis will take if you book a nonstop flight.

  • Can I find flights from Kansas City to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Kansas City to St. Louis for under $200. The cheapest flight booked recently is on Spirit Airlines for just $171, but on average you can expect to pay $394.

  • Are there last-minute flights available from Kansas City to St. Louis for under $500?

    There are currently 1+ open flights from Kansas City to St. Louis within the next 7 days for less than $500.

  • What days are nonstop flights available from Kansas City to St. Louis?

    Nonstop flights are available for this route on the following days: Monday, Saturday.

  • How many flights depart from Kansas City to St. Louis on average per day?

    On average 4 flights depart from Kansas City to St. Louis per day.
    Early Morning (Midnight to 6am) - 50% of flight departures
    Morning (6am - Noon) - 25% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Kansas City to St. Louis?

    A quick flight from Kansas City to St. Louis can take about 9h 25m. Spirit Airlines provides one of the quickest options available for as low as $171. There are 238 mi between Kansas City and St. Louis. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Kansas City to St. Louis round-trip?

    Our cheapest airline available from Kansas City to St. Louis is Spirit Airlines. Our recent data shows that you can find tickets from as low as $171 on this airline. Additional options worth looking into are Sun Country Air and American Airlines, starting at $257 and $290 round-trip. You may be able to fly from Kansas City to St. Louis for 60% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to St. Louis one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $108. Sun Country Air flights start at $118 while deals on Spirit Airlines start at $140 one-way.

  • What does MCI to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Kansas City Airport to Lambert-St Louis Airport flight would often be abbreviated as a MCI to STL flight.

  • Can I find deals for flights from Kansas City to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Kansas City to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Kansas City to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Kansas City to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Kansas City to St. Louis that include hotel bookings?

    Yes. In addition to deals on Kansas City to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to St. Louis.

  • Can I find deals for business class flights from Kansas City to St. Louis?

    Yes. Cheapflights offers flight deals from Kansas City to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Kansas City to St. Louis that allow pets onboard?

    Many airlines flying from Kansas City to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Kansas City to St. Louis?

    Yes, you can often find last-minute deals on Kansas City to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Kansas City to St. Louis flight deals updated?

    The Kansas City to St. Louis flight deals you see on this page were last updated on 5/30.

  • What is the cheapest month to book a flight from Kansas City to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to St. Louis (average of $319). Flying from Kansas City to St. Louis in July is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kansas City to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Springfield flights
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Top airline flying from Kansas City to St. Louis

Discover the top airline that operate flights from Kansas City to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$277Average$401FlexibilityNo cancel feeOn-time71%
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Search flights from Kansas City to St. Louis by cabin class

Find flights from Kansas City to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Kansas City to St. Louis

Find hourly flight availability from Kansas City to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 30, 2024.
40%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Kansas City to St. Louis

Explore weekly flight availability from Kansas City to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 30, 2024.
Sunday2daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday1daily flight

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kansas City to St. Louis?

When you search for this flight from Kansas City to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Kansas City to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kansas City to St. Louis.

Can Cheapflights find flights from Kansas City to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kansas City to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kansas City to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Kansas City to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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