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St. Louis

Cheap flights from Kissimmee, FL to St. Louis (STL)

MCO — STL
Nov 5 — Nov 121
Thu 11/5
Thu 11/12
1 adult, Economy
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Cheapflights Tip: The best prices from Kissimmee to Lambert-St Louis are usually found in February or January, booked 44 days in advance, depart on a Saturday or Friday and return on a Tuesday

Find flight deals from Kissimmee to St. Louis

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

February

Average price

$255
Provider with most accurate pricing for Orlando (ORL)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Orlando (ORL)-Lambert-St Louis flights.
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Highest demand for flights based on searches. 25% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Kissimmee to St. Louis

What is the cheapest time of day to fly from K1S to STL?

A simple way to save on the total cost of your ticket is to fly from Kissimmee to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.

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

Travelers seeking maximum savings on their Kissimmee to St. Louis flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest,American Airlines, andFrontier from Kissimmee to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,215 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
7.9
Good
4,215 reviews
Southwest
7.9
Good
4,215 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,129 reviews
Southwest
7.9
Good
4,215 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Frontier
5.5
Fair
2,550 reviews
Southwest
7.9
Good
4,215 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • What airport do you fly into for flights to St. Louis from Kissimmee?

    If you book a flight to St. Louis from Kissimmee, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 3 flights from Kissimmee to Lambert-St Louis per day from 5 different airlines.

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

    The cheapest airlines for a one-way flight from Kissimmee to St. Louis are Frontier ($34), American Airlines ($103), and Southwest ($119).

  • What are the most reliable airlines from Kissimmee to St. Louis?

    Consider Frontier (72%), Volaris (72%) or Southwest (63%) when booking your flight. These represent the most reliable airlines when flying from Kissimmee to St. Louis.

  • What are the cheapest flights from Kissimmee to St. Louis?

    While on average a flight from Kissimmee to St. Louis is generally $283, our data shows the cheapest flight currently is $111. When looking at the most popular route, (Orlando - Lambert-St Louis), you can expect to pay $197 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kissimmee 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Chesterfield
Maryland Heights
Collinsville
Edwardsville
Glencoe

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Kissimmee to St. Louis

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$210FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$155Average$317FlexibilityNo cancel feeOn-time62%
DeltaCheapest$175Average$329FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$204Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$474FlexibilityNo cancel feeOn-time63%

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