Cheap flights from Kansas City to St. Louis (MCI - STL) from $83

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 7/15. 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. 12 — jun. 191

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 junio 7, 2024.

Popular in

February

Cheapest in

December

Round-trip from

$318

One-way from

$89
High demand for flights, 26% potential price rise
Best time to find cheap flights, 34% potential price drop
From Kansas City to Lambert-St Louis
One-way flight from Kansas City to Lambert-St Louis

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

Travelers have found that booking a Wednesday departure is the best way to save up to 44% 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 41% versus a flight at noon.

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

Find cheap flight options from Kansas City to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on junio 7, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
lun. 7/156:51 pmMCI - STL
1 stop14h 35mSpirit Airlines
mar. 7/1611:26 amSTL - MCI
1 stop20h 27mSpirit Airlines
Deal found 6/7$179
sáb. 7/277:03 amMCI - STL
1 stop3h 40mAmerican Airlines
dom. 7/286:04 amSTL - MCI
1 stop3h 51mAmerican Airlines
Deal found 6/6$338
jue. 7/114:59 pmMCI - STL
1 stop22h 07mSpirit Airlines
dom. 7/146:19 pmSTL - MCI
1 stop23h 40mSpirit Airlines
Deal found 6/6$343
jue. 7/118:00 pmMCI - STL
2 stops20h 29mMultiple Airlines
dom. 7/146:19 pmSTL - MCI
2 stops24h 35mMultiple Airlines
Deal found 6/6$345
jue. 7/115:48 amMCI - STL
1 stop4h 00mAmerican Airlines
dom. 7/146:09 pmSTL - MCI
1 stop3h 57mAmerican Airlines
Deal found 6/6$349
jue. 7/118:39 pmMCI - STL
3 stops16h 11mMultiple Airlines
dom. 7/146:19 pmSTL - MCI
2 stops24h 35mMultiple Airlines
Deal found 6/6$367
jue. 7/118:00 pmMCI - STL
2 stops20h 29mMultiple Airlines
dom. 7/147:24 pmSTL - MCI
1 stop14h 37mMultiple Airlines
Deal found 6/6$370
jue. 7/118:39 pmMCI - STL
3 stops16h 11mMultiple Airlines
dom. 7/146:19 pmSTL - MCI
3 stops35h 53mMultiple Airlines
Deal found 6/6$395
sáb. 6/154:26 pmMCI - STL
1 stop6h 31mAmerican Airlines
lun. 6/176:08 pmSTL - MCI
1 stop3h 50mAmerican Airlines
Deal found 6/5$442

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 3,048,502 searches. Data last updated junio 7, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
lun. 7/156:51 pmMCI - STL
1 stop14h 35mSpirit Airlines
mar. 7/1611:26 amSTL - MCI
1 stop20h 27mSpirit Airlines
Deal found 6/7$179
mar. 8/67:30 pmMCI - STL
1 stop13h 55mFrontier
jue. 8/88:57 pmSTL - MCI
1 stop11h 38mFrontier
Deal found 6/6$248
jue. 8/17:13 amMCI - STL
1 stop6h 03mAmerican Airlines
sáb. 8/35:30 pmSTL - MCI
1 stop5h 58mAmerican Airlines
Deal found 6/6$288
sáb. 7/277:03 amMCI - STL
1 stop3h 40mAmerican Airlines
dom. 7/286:04 amSTL - MCI
1 stop3h 51mAmerican Airlines
Deal found 6/6$338
mar. 8/68:58 pmMCI - STL
2 stops18h 08mSpirit Airlines
jue. 8/86:19 pmSTL - MCI
1 stop23h 40mSpirit Airlines
Deal found 6/6$342
jue. 7/114:59 pmMCI - STL
1 stop22h 07mSpirit Airlines
dom. 7/146:19 pmSTL - MCI
1 stop23h 40mSpirit Airlines
Deal found 6/6$343
jue. 7/118:00 pmMCI - STL
2 stops20h 29mMultiple Airlines
dom. 7/146:19 pmSTL - MCI
2 stops24h 35mMultiple Airlines
Deal found 6/6$345
jue. 7/115:48 amMCI - STL
1 stop4h 00mAmerican Airlines
dom. 7/146:09 pmSTL - MCI
1 stop3h 57mAmerican Airlines
Deal found 6/6$349
mar. 8/68:58 pmMCI - STL
2 stops18h 08mSpirit Airlines
jue. 8/86:19 pmSTL - MCI
2 stops24h 35mSpirit Airlines
Deal found 6/6$361

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 3,048,502 searches. Data last updated junio 7, 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.
sáb. 6/154:26 pmMCI - STL
1 stop6h 31mAmerican Airlines
lun. 6/176:08 pmSTL - MCI
1 stop3h 50mAmerican Airlines
Deal found 6/5$442
sáb. 6/157:22 pmMCI - STL
2 stops22h 43mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 6/5$454
lun. 6/101:40 pmMCI - STL
1 stop6h 44mAmerican Airlines
vie. 6/148:01 amSTL - MCI
1 stop7h 07mAmerican Airlines
Deal found 6/6$509
mar. 6/117:21 amMCI - STL
1 stop4h 53mAmerican Airlines
mar. 6/111:42 pmSTL - MCI
1 stop6h 53mAmerican Airlines
Deal found 6/6$511
sáb. 6/812:07 pmMCI - STL
1 stop6h 36mAmerican Airlines
lun. 6/102:56 pmSTL - MCI
1 stop5h 39mAmerican Airlines
Deal found 6/5$516
sáb. 6/157:22 pmMCI - STL
3 stops40h 23mMultiple Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mMultiple Airlines
Deal found 6/5$529
mar. 6/115:05 amMCI - STL
2 stops11h 01mAmerican Airlines
mar. 6/116:08 pmSTL - MCI
1 stop3h 50mAmerican Airlines
Deal found 6/6$967
mar. 6/117:00 amMCI - STL
2 stops8h 41mUnited Airlines
mié. 6/126:30 amSTL - MCI
1 stop4h 05mUnited Airlines
Deal found 6/6$1,023
sáb. 6/87:42 amMCI - STL
2 stops9h 30mUnited Airlines
lun. 6/105:31 pmSTL - MCI
1 stop4h 24mUnited Airlines
Deal found 6/5$1,162

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 3,048,502 searches. Data last updated junio 7, 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.
lun. 7/156:51 pmMCI - STL
1 stop14h 35mSpirit Airlines
Deal found 6/6$83
jue. 6/277:44 pmMCI - STL
1 stop13h 56mFrontier
Deal found 6/6$89
mié. 7/177:02 amMCI - STL
1 stop8h 04mSpirit Airlines
Deal found 6/6$110
lun. 7/156:51 pmMCI - STL
2 stops15h 33mSpirit Airlines
Deal found 6/6$132
mié. 7/177:50 pmMCI - STL
3 stops21h 39mSpirit Airlines
Deal found 6/6$135
lun. 7/157:02 amMCI - STL
3 stops26h 24mSpirit Airlines
Deal found 6/6$140
sáb. 10/57:11 amMCI - STL
1 stop4h 55mAmerican Airlines
Deal found 6/6$144
mié. 7/177:50 pmMCI - STL
2 stops21h 39mSpirit Airlines
Deal found 6/6$146
dom. 6/165:10 amMCI - STL
1 stop12h 55mSpirit Airlines
Deal found 6/6$174

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 3,048,502 searches. Data last updated junio 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$248 - $367

Route

Depart

Return

Price

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

mar. 8/6

1 stop13h 55m

Lambert-St Louis

jue. 8/8

1 stop11h 38m

$248

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 8/1

1 stop6h 03m

Lambert-St Louis

sáb. 8/3

1 stop5h 58m

$288

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 7/27

1 stop3h 40m

Lambert-St Louis

dom. 7/28

1 stop3h 51m

$338

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

mar. 8/6

2 stops18h 08m

Lambert-St Louis

jue. 8/8

1 stop23h 40m

$342

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 7/11

1 stop22h 07m

Lambert-St Louis

dom. 7/14

1 stop23h 40m

$343

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 7/11

2 stops20h 29m

Lambert-St Louis

dom. 7/14

2 stops24h 35m

$345

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 7/11

1 stop4h 00m

Lambert-St Louis

dom. 7/14

1 stop3h 57m

$349

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

mar. 8/6

2 stops18h 08m

Lambert-St Louis

jue. 8/8

2 stops24h 35m

$361

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 7/11

3 stops16h 11m

Lambert-St Louis

dom. 7/14

2 stops24h 35m

$367

Flights are sorted by cheapest first

Deals found on 6/6

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 June 2, 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 Thursday 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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 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 junio 7, 2024.
See what other customers who have flown with American Airlines, Spirit 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.
7.4
Good
10,696 reviews

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

7.4
Good
10,696 reviews
7.4
Good
10,696 reviews

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

7.3
Good
14,226 reviews
7.4
Good
10,696 reviews

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

6.4
Okay
8,569 reviews
7.4
Good
10,696 reviews

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

6.2
Okay
3,977 reviews
7.4
Good
10,696 reviews

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

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. 6h 03m 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 $300 on Cheapflights?

    Yes, there are multiple flights from Kansas City to St. Louis for under $300. The cheapest flight booked recently is on Frontier for just $248, but on average you can expect to pay $384.

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

    There are currently 10+ open flights from Kansas City to St. Louis within the next 7 days for less than $500.

  • 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 Frontier. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are American Airlines and Spirit Airlines, starting at $288 and $342 round-trip. You may be able to fly from Kansas City to St. Louis for 42% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $83. Frontier flights start at $89 while deals on American Airlines start at $144 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 6/7.

  • 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 $318). Flying from Kansas City to St. Louis in July is currently the most expensive (average of $365). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3,048,502 searches. Data last updated junio 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$277Average$411FlexibilityNo cancel feeOn-time71%

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.

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 junio 7, 2024.
39%of flight departuresEarly morningMidnight to 6 am
31%of flight departuresMorning6 am to noon
30%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 junio 7, 2024.
Sunday2daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday1daily flight
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