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St. Louis

$51+ Cheap flights from Clearwater, FL to St. Louis (STL)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — STL
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Clearwater to Lambert-St Louis are usually found in August or January, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Clearwater to St. Louis

Keep the following information in mind while searching for Clearwater to St. Louis flight deals. Data was last updated septembre 15, 2025.

Round-trip from

$149
(Priceline)

One-way from

$51
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$319
From Clearwater to Lambert-St Louis
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One-way flight from Clearwater to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Clearwater to St. Louis

Cheapest flights from Clearwater to St. Louis
Explore the most affordable flight options available from Clearwater to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/114:39 pmTPA - STL
Nonstop2h 23mFrontier
sam. 10/186:47 pmSTL - TPA
Nonstop2h 17mFrontier
Deal found 9/13$83
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/114:39 pmTPA - STL
Nonstop2h 23mFrontier
lun. 10/137:52 pmSTL - TPA
1 stop8h 30mFrontier
Deal found 9/14$149
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/166:05 amTPA - STL
1 stop5h 32mFrontier
lun. 10/207:52 pmSTL - TPA
1 stop8h 30mFrontier
Deal found 9/15$151
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/286:00 amTPA - STL
1 stop10h 04mFrontier
jeu. 10/24:00 pmSTL - TPA
1 stop6h 39mFrontier
Deal found 9/13$153
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:00 amTPA - STL
1 stop10h 04mFrontier
jeu. 9/254:00 pmSTL - TPA
1 stop6h 33mFrontier
Deal found 9/14$154
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:42 pmTPA - STL
1 stop11h 25mFrontier
lun. 10/207:52 pmSTL - TPA
1 stop8h 30mFrontier
Deal found 9/13$159
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/66:10 amTPA - STL
1 stop5h 02mFrontier
dim. 11/911:23 amSTL - TPA
1 stop5h 14mFrontier
Deal found 9/15$161
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:42 pmTPA - STL
1 stop11h 25mFrontier
jeu. 10/308:40 pmSTL - TPA
1 stop7h 42mFrontier
Deal found 9/14$169
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/216:00 amTPA - STL
1 stop10h 04mFrontier
sam. 9/277:55 pmSTL - TPA
1 stop8h 36mFrontier
Deal found 9/14$170
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/259:31 amTPA - STL
1 stop6h 33mFrontier
mer. 10/87:52 pmSTL - TPA
1 stop8h 39mFrontier
Deal found 9/15$174
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/118:03 pmTPA - STL
1 stop4h 55mAmerican Airlines
sam. 10/185:20 amSTL - TPA
1 stop5h 41mAmerican Airlines
Deal found 9/13$177
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:37 amTPA - STL
1 stop27h 29mFrontier
ven. 10/37:55 pmSTL - TPA
1 stop8h 36mFrontier
Deal found 9/14$185

Cheapflights Fare Finder

 
Customize your flight search to find flights from Clearwater 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 2,558,603 searches. Data last updated septembre 15, 2025.
Use the filters below to find and compare flights from Clearwater to St. Louis that are best for you.

Fly from

Clearwater

Fly to

St. Louis

Route

Depart

Return

Price

TampaSt. Louis

TPA - STL

TPASTL

Tampa

sam. 10/11

4:39 pm-6:02 pm

Nonstop2h 23m

Lambert-St Louis

lun. 10/13

7:52 pm-5:22 am

1 stop8h 30m

$149

TampaSt. Louis

TPA - STL

TPASTL

Tampa

ven. 11/21

9:30 am-2:25 pm

1 stop5h 55m

Lambert-St Louis

lun. 11/24

6:30 am-3:08 pm

1 stop7h 38m

$151

TampaSt. Louis

TPA - STL

TPASTL

Tampa

jeu. 11/6

6:10 am-10:12 am

1 stop5h 02m

Lambert-St Louis

dim. 11/9

11:23 am-5:37 pm

1 stop5h 14m

$161

TampaSt. Louis

TPA - STL

TPASTL

Tampa

jeu. 9/25

6:00 am-3:04 pm

1 stop10h 04m

Lambert-St Louis

sam. 9/27

7:55 pm-5:31 am

1 stop8h 36m

$170

TampaSt. Louis

TPA - STL

TPASTL

Tampa

mar. 10/28

7:03 pm-11:05 pm

1 stop5h 02m

Lambert-St Louis

jeu. 10/30

8:30 am-4:16 pm

1 stop6h 46m

$177

TampaSt. Louis

TPA - STL

TPASTL

Tampa

sam. 11/1

7:00 am-10:07 am

1 stop28h 07m

Lambert-St Louis

jeu. 11/6

11:07 am-6:11 pm

1 stop6h 04m

$184

TampaSt. Louis

TPA - STL

TPASTL

Tampa

ven. 10/3

2:10 pm-9:06 am

2 stops19h 56m

Lambert-St Louis

dim. 10/5

7:55 pm-5:31 am

1 stop8h 36m

$194

TampaSt. Louis

TPA - STL

TPASTL

Tampa

sam. 10/11

7:02 pm-10:04 pm

1 stop4h 02m

Lambert-St Louis

lun. 10/13

6:52 pm-12:17 am

1 stop4h 25m

$197

TampaSt. Louis

TPA - STL

TPASTL

Tampa

sam. 11/1

6:00 pm-12:09 pm

2 stops19h 09m

Lambert-St Louis

jeu. 11/6

6:22 pm-12:13 am

1 stop28h 51m

$197

TampaSt. Louis

TPA - STL

TPASTL

Tampa

sam. 10/11

6:28 am-6:10 pm

1 stop12h 42m

Lambert-St Louis

lun. 10/13

12:38 pm-4:21 pm

1 stop26h 43m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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Best time to book a flight from Clearwater to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Clearwater 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.

Cheapflights Insights

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

How far ahead should I book a flight from Clearwater to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Clearwater to St. Louis. Price data was last updated on September 12, 2025.

The best time to book flights from Clearwater to St. Louis is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Clearwater to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Clearwater to St. Louis (average of $311). Flying from Clearwater to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from CL9 to STL?

Find hourly flight availability from Clearwater 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 septembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Clearwater to St. Louis as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Clearwater to St. Louis. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Clearwater to St. Louis flight should consider departing on Tuesday 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.

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 septembre 15, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Clearwater to St. Louis to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Clearwater 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 airport do you fly into for flights to St. Louis from Clearwater?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Clearwater. Booking flights from Clearwater to Lambert-St Louis (STL) should be relatively easy as there are 2 daily inbound flights from Clearwater from 6 different airlines.

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

    Airlines like Frontier and United Airlines fly from Clearwater to St. Louis in about 2h 23m. The time it takes to get you to your destination can typically vary by up to 3h 32m. The distance from Clearwater to St. Louis is about 870 mi. This flight may include one or multiple stops.

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

    Before booking your flight to St. Louis from Clearwater, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (100%), Southwest (66%), Frontier( 57%).

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

    Looking at all options, your cheapest flight can be booked for $39. While the most popular route (Tampa - Lambert-St Louis) can be booked for $154 on average, our data indicates $197 when flying from Clearwater to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Clearwater 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.

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

    Currently, August is the cheapest month in which you can book a flight from Clearwater to St. Louis (average of $311). Flying from Clearwater to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Clearwater to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Clearwater to St. Louis

Discover the top 6 airlines that operate flights from Clearwater 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 2,558,603 searches. Data last updated septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$177FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$84Average$98FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$94Average$193FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$339FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$354FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$209Average$360FlexibilityNo cancel feeOn-time63%

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