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. 2 — jun. 91

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 mayo 28, 2024.

Popular in

February

Cheapest in

December

Round-trip from

$319

One-way from

$136
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 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.

When is the cheapest time to fly from Kansas City to St. Louis (MCI - 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 2,740,132 searches. Data last updated mayo 28, 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.
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$224
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$231
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$271
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$282
lun. 6/105:11 pmMCI - STL
1 stop17h 46mSpirit Airlines
vie. 6/143:07 pmSTL - MCI
1 stop15h 02mSpirit Airlines
Deal found 5/27$293
sáb. 6/1511:00 amMCI - STL
3 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$329
mié. 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
dom. 6/165:22 pmSTL - MCI
1 stop24h 37mSpirit Airlines
Deal found 5/27$355
mié. 7/35:28 pmMCI - STL
2 stops24h 00mSpirit Airlines
dom. 7/76:55 pmSTL - MCI
1 stop13h 44mSpirit Airlines
Deal found 5/27$360
lun. 6/105:11 pmMCI - STL
1 stop17h 46mSpirit Airlines
vie. 6/143:07 pmSTL - MCI
1 stop15h 02mSpirit Airlines
Deal found 5/28$370

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 2,740,132 searches. Data last updated mayo 28, 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.
mié. 7/35:48 amMCI - STL
1 stop8h 38mAmerican Airlines
dom. 7/75:22 amSTL - MCI
1 stop5h 27mAmerican Airlines
Deal found 5/27$267
jue. 10/242:15 pmMCI - STL
1 stop4h 06mAmerican Airlines
sáb. 10/269:50 amSTL - MCI
1 stop4h 02mAmerican Airlines
Deal found 5/27$288
sáb. 7/2011:53 amMCI - STL
1 stop6h 47mAmerican Airlines
dom. 7/216:04 amSTL - MCI
1 stop3h 51mAmerican Airlines
Deal found 5/27$338
jue. 6/65:25 amMCI - STL
1 stop6h 49mAmerican Airlines
sáb. 6/88:01 amSTL - MCI
1 stop4h 29mAmerican Airlines
Deal found 5/27$442
lun. 6/105:05 amMCI - STL
2 stops8h 07mAmerican Airlines
vie. 6/145:38 pmSTL - MCI
1 stop5h 19mAmerican Airlines
Deal found 5/27$660
mié. 6/55:03 amMCI - STL
2 stops8h 09mAmerican Airlines
mié. 6/53:27 pmSTL - MCI
1 stop7h 30mAmerican Airlines
Deal found 5/28$765

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 2,740,132 searches. Prices were last updated on mayo 28, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$224
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$231
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$271
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$282
lun. 6/105:11 pmMCI - STL
1 stop17h 46mSpirit Airlines
vie. 6/143:07 pmSTL - MCI
1 stop15h 02mSpirit Airlines
Deal found 5/27$293
sáb. 6/1511:00 amMCI - STL
3 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$329
mié. 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
dom. 6/165:22 pmSTL - MCI
1 stop24h 37mSpirit Airlines
Deal found 5/27$355
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mMultiple Airlines
jue. 7/46:22 pmSTL - MCI
3 stops23h 02mMultiple Airlines
Deal found 5/27$357
sáb. 6/1511:00 amMCI - STL
3 stops29h 32mMultiple Airlines
jue. 7/46:22 pmSTL - MCI
3 stops23h 02mMultiple Airlines
Deal found 5/27$361

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 2,740,132 searches. Data last updated mayo 28, 2024.
Check out some of the best flight deals from Kansas City to St. Louis in 2024. Check back regularly for other flight deals.
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$224
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
jue. 7/46:22 pmSTL - MCI
1 stop23h 37mSpirit Airlines
Deal found 5/27$231
mié. 7/35:48 amMCI - STL
1 stop8h 38mAmerican Airlines
dom. 7/75:22 amSTL - MCI
1 stop5h 27mAmerican Airlines
Deal found 5/27$267
sáb. 6/157:22 pmMCI - STL
1 stop21h 10mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$271
sáb. 6/1511:00 amMCI - STL
2 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$282
jue. 10/242:15 pmMCI - STL
1 stop4h 06mAmerican Airlines
sáb. 10/269:50 amSTL - MCI
1 stop4h 02mAmerican Airlines
Deal found 5/27$288
lun. 6/105:11 pmMCI - STL
1 stop17h 46mSpirit Airlines
vie. 6/143:07 pmSTL - MCI
1 stop15h 02mSpirit Airlines
Deal found 5/27$293
sáb. 6/1511:00 amMCI - STL
3 stops29h 32mSpirit Airlines
lun. 6/172:41 pmSTL - MCI
1 stop15h 28mSpirit Airlines
Deal found 5/27$329
jue. 10/107:45 pmMCI - STL
1 stop13h 52mFrontier
vie. 10/118:00 pmSTL - MCI
1 stop12h 40mFrontier
Deal found 5/28$335

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 2,740,132 searches. Data last updated mayo 28, 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.
jue. 6/65:25 amMCI - STL
1 stop6h 49mAmerican Airlines
sáb. 6/88:01 amSTL - MCI
1 stop4h 29mAmerican Airlines
Deal found 5/27$442
mié. 6/55:03 amMCI - STL
2 stops8h 09mAmerican Airlines
mié. 6/53:27 pmSTL - MCI
1 stop7h 30mAmerican Airlines
Deal found 5/28$765

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 2,740,132 searches. Data last updated mayo 28, 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.
mié. 6/197:08 amMCI - STL
1 stop10h 10mAmerican Airlines
Deal found 5/26$108
mié. 6/125:28 pmMCI - STL
1 stop25h 54mSpirit Airlines
Deal found 5/28$118
mar. 8/69:03 pmMCI - STL
2 stops18h 03mSpirit Airlines
Deal found 5/27$134
mar. 8/67:30 pmMCI - STL
1 stop13h 55mFrontier
Deal found 5/27$136
mié. 6/125:28 pmMCI - STL
2 stops24h 00mSpirit Airlines
Deal found 5/28$146
dom. 6/95:10 amMCI - STL
1 stop12h 55mSpirit Airlines
Deal found 5/26$153
mié. 6/196:59 amMCI - STL
2 stops14h 07mMultiple Airlines
Deal found 5/26$158
mié. 6/125:28 pmMCI - STL
3 stops24h 00mSpirit Airlines
Deal found 5/28$168
mié. 6/196:59 amMCI - STL
3 stops34h 29mSpirit Airlines
Deal found 5/26$178

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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$224 - $632

Route

Depart

Return

Price

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 6/15

1 stop21h 10m

Lambert-St Louis

jue. 7/4

1 stop23h 37m

$224

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 6/15

2 stops29h 32m

Lambert-St Louis

jue. 7/4

1 stop23h 37m

$231

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

mié. 7/3

1 stop8h 38m

Lambert-St Louis

dom. 7/7

1 stop5h 27m

$267

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 6/15

1 stop21h 10m

Lambert-St Louis

lun. 6/17

1 stop15h 28m

$271

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 6/15

2 stops29h 32m

Lambert-St Louis

lun. 6/17

1 stop15h 28m

$282

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 10/24

1 stop4h 06m

Lambert-St Louis

sáb. 10/26

1 stop4h 02m

$288

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 10/10

1 stop13h 52m

Lambert-St Louis

vie. 10/11

1 stop12h 40m

$335

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

sáb. 6/15

2 stops29h 32m

Lambert-St Louis

jue. 7/4

3 stops23h 02m

$357

Kansas CityLambert-St Louis

MCI - STL

MCISTL

Kansas City

jue. 10/10

2 stops12h 15m

Lambert-St Louis

vie. 10/11

1 stop14h 30m

$632

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time 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 mayo 28, 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.
7.4
Good
10,799 reviews

Crew

8.1

Boarding

7.7

Food

6.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

7.4
Good
10,799 reviews
7.4
Good
10,799 reviews

Crew

8.1

Boarding

7.7

Food

6.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

7.3
Good
14,316 reviews
7.4
Good
10,799 reviews

Crew

8.1

Boarding

7.7

Food

6.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

6.4
Okay
8,617 reviews
7.4
Good
10,799 reviews

Crew

8.1

Boarding

7.7

Food

6.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

6.3
Okay
4,016 reviews
7.4
Good
10,799 reviews

Crew

8.1

Boarding

7.7

Food

6.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

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. 5h 01m 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 Spirit Airlines for just $224, but on average you can expect to pay $332.

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

    There are currently 2+ 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: Saturday.

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

    On average 3 flights depart from Kansas City to St. Louis per day.
    Early Morning (Midnight to 6am) - 33% of flight departures
    Morning (6am - Noon) - 33% of flight departures
    Evening (6pm - Midnight) - 33% 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 8h 38m. Spirit Airlines provides one of the quickest options available for as low as $224. 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 $224 on this airline. Additional options worth looking into are American Airlines and Frontier, starting at $267 and $335 round-trip. You may be able to fly from Kansas City to St. Louis for 48% 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. Spirit Airlines flights start at $118 while deals on Frontier start at $136 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 5/28.

  • When is the best time 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

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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$277Average$401FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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 mayo 28, 2024.
39%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
28%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 mayo 28, 2024.
Sunday2daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday1daily flight

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.