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Flights from Kansas City to St. Louis
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Flights from Kansas City to St. Louis Starting at NZD 107

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • MCI16:07
        7h 42m
        1 stop
        STL23:49
        Wed, Oct 16|Kansas City - St. Louis|Frontier Airlines
        NZD 107NZD 299
        64% OFF
        64% OFF
        NZD 299NZD 107
      • MCI13:24
        10h 23m
        1 stop
        STL23:47
        Fri, Oct 11|Kansas City - St. Louis|Frontier Airlines
        NZD 203NZD 299
        32% OFF
        32% OFF
        NZD 299NZD 203
      • MCI22:59
        25h 37m
        1 stop
        STL00:36
        Sun, Oct 6|Kansas City - St. Louis|Frontier Airlines
        NZD 224NZD 299
        25% OFF
        25% OFF
        NZD 299NZD 224
      • MCI07:06
        14h 38m
        1 stop
        STL21:44
        Tue, Oct 15|Kansas City - St. Louis|American Airlines
        NZD 230
        NZD 230
      • MCI18:06
        5h 6m
        1 stop
        STL23:12
        Fri, Oct 11|Kansas City - St. Louis|American Airlines
        NZD 254
        NZD 254
      • MCI10:36
        8h 52m
        1 stop
        STL19:28
        Thu, Nov 7|Kansas City - St. Louis|American Airlines
        NZD 257
        NZD 257
      • MCI05:46
        12h 19m
        1 stop
        STL18:05
        Tue, Oct 8|Kansas City - St. Louis|American Airlines
        NZD 270
        NZD 270
      • MCI06:00
        16h 15m
        1 stop
        STL22:15
        Wed, Oct 16|Kansas City - St. Louis|United Airlines
        NZD 271
        NZD 271
      • MCI06:00
        16h 15m
        1 stop
        STL22:15
        Wed, Oct 23|Kansas City - St. Louis|United Airlines
        NZD 272
        NZD 272
      • MCI18:06
        5h 5m
        1 stop
        STL23:11
        Fri, Nov 1|Kansas City - St. Louis|American Airlines
        NZD 274
        NZD 274
      • MKC13:00
        3h 5m
        Direct
        STL14:00
        Sat, Oct 5|Kansas City - St. Louis|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Kansas City to St. Louis

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Kansas City to St. Louis

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 107
American Airlines
From NZD 230
United Airlines
From NZD 271
Alaska Airlines
From NZD 309
Southwest Airlines
From NZD 320
Delta Air Lines
From NZD 448
ANA airlines

Find more flights and airlines

Alternative Routes from Kansas City to St. Louis

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Kansas City to St. Louis.

  • Cheapest
    Frontier Airlines
    MCI
    16:07
    7h 42m
    1 transfer
    STL
    23:49
    Kansas City International Airport - St. Louis Lambert International Airport
    Wed, Oct 16Frontier Airlines
    NZD 107
  • Frontier Airlines
    MCI
    16:07
    7h 42m
    1 transfer
    STL
    23:49
    Kansas City International Airport - St. Louis Lambert International Airport
    Wed, Oct 16Frontier Airlines
    NZD 107
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Kansas City (MKC) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Kansas City to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Kansas City (MKC) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around NZD 979.

  • How long does it take to fly from Kansas City (MKC) to St. Louis (STL) and what is the distance?

    It takes around 1 hour 55 minutes to fly from Kansas City (MKC) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

  • What are the most popular airlines that fly from Kansas City (MKC) to St. Louis (STL)?

    Airlines with flights from Kansas City (MKC) to St. Louis (STL): Sun Country Airlines and Southwest Airlines.

How to find a cheap flight from Kansas City to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Kansas City to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Kansas City to St. Louis

Cheapest nonstop flight price

NZD 106

Cheapest round-trip ticket price

NZD 697

Off-season for travel

September

Peak season for travel

July

Flight distance

384.94km

Average flight time

1 hour 55 minutes

Popular airline

American Airlines

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