St. Louis

$44+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — STL
Jan 14 — Jan 211
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Clearwater to Lambert-St Louis are usually found in August or November, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap 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 December 15, 2025.

This Priceline deal was found by Cheapflights users on 12/12. 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.
Tue 12/305:45 amTPA - STL
1 stop4h 55mMultiple Airlines
Tue 1/611:51 amSTL - TPA
1 stop7h 17mMultiple Airlines
Deal found 12/12$158
This Frontier deal was found by Cheapflights users on 12/13. 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.
Mon 12/296:30 amTPA - STL
Nonstop2h 42mFrontier
Fri 1/29:07 amSTL - TPA
Nonstop2h 22mFrontier
Deal found 12/13$188
This Frontier deal was found by Cheapflights users on 12/14. 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.
Mon 12/226:30 amTPA - STL
Nonstop2h 42mFrontier
Wed 12/247:43 pmSTL - TPA
1 stop8h 48mFrontier
Deal found 12/14$221
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:45 amTPA - STL
1 stop4h 55mFrontier
Sat 1/37:43 pmSTL - TPA
1 stop8h 48mFrontier
Deal found 12/15$232
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:45 amTPA - STL
1 stop4h 55mFrontier
Tue 1/65:11 pmSTL - TPA
2 stops29h 17mFrontier
Deal found 12/12$263
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:30 amTPA - STL
Nonstop2h 42mFrontier
Mon 12/229:07 amSTL - TPA
Nonstop2h 22mFrontier
Deal found 12/15$274
This Frontier deal was found by Cheapflights users on 12/14. 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.
Tue 12/235:45 amTPA - STL
1 stop4h 55mFrontier
Mon 12/299:07 amSTL - TPA
Nonstop2h 22mFrontier
Deal found 12/14$317
This Frontier deal was found by Cheapflights users on 12/13. 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.
Mon 12/226:30 amTPA - STL
Nonstop2h 42mFrontier
Fri 12/269:07 amSTL - TPA
Nonstop2h 22mFrontier
Deal found 12/13$330
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:20 amTPA - STL
1 stop6h 07mUnited Airlines
Tue 1/63:11 pmSTL - TPA
1 stop5h 58mUnited Airlines
Deal found 12/13$347
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:25 amTPA - STL
1 stop5h 49mAmerican Airlines
Sat 1/35:22 amSTL - TPA
1 stop7h 45mAmerican Airlines
Deal found 12/15$351

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$68
(Super.com)

One-way from

$44
(Frontier)

Popular in

March

Cheapest in

August

Average price

$368
Provider with most accurate pricing for Tampa-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Tampa-Lambert-St Louis flights.
From Clearwater to Lambert-St Louis
One-way flight from Clearwater to Lambert-St Louis
Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 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

Fri 1/16

10:09 am-11:52 am

Nonstop2h 43m

Lambert-St Louis

Mon 1/19

7:36 pm-6:53 pm

1 stop22h 17m

$134

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 1/8

5:35 am-2:48 pm

1 stop10h 13m

Lambert-St Louis

Sun 1/11

3:43 pm-12:16 am

1 stop7h 33m

$149

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 1/8

5:35 am-2:48 pm

1 stop10h 13m

Lambert-St Louis

Sun 1/11

5:11 pm-8:20 am

2 stops38h 09m

$160

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 1/16

7:34 pm-6:51 am

1 stop12h 17m

Lambert-St Louis

Mon 1/19

5:11 pm-5:33 pm

2 stops23h 22m

$164

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 1/15

2:24 pm-7:54 am

2 stops18h 30m

Lambert-St Louis

Sat 1/24

8:22 pm-8:23 am

1 stop11h 01m

$164

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 1/9

5:35 am-2:48 pm

1 stop10h 13m

Lambert-St Louis

Sun 1/11

3:43 pm-12:16 am

1 stop7h 33m

$170

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Mon 1/12

9:30 am-3:04 pm

1 stop6h 34m

Lambert-St Louis

Wed 1/14

11:05 am-6:49 pm

1 stop6h 44m

$213

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Tue 1/6

5:47 pm-10:02 am

1 stop17h 15m

Lambert-St Louis

Fri 1/9

3:43 pm-6:28 pm

1 stop25h 45m

$214

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Wed 1/21

5:15 pm-10:00 pm

1 stop5h 45m

Lambert-St Louis

Sat 1/24

9:57 am-8:13 pm

2 stops9h 16m

$218

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Mon 1/12

5:01 am-10:33 pm

2 stops18h 32m

Lambert-St Louis

Wed 1/14

8:32 pm-7:38 am

1 stop10h 06m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 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 December 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, December is the cheapest month in which you can book a flight from Clearwater to St. Louis (average of $40). Flying from Clearwater to St. Louis in June is currently the most expensive (average of $143). 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 December 15, 2025.

One of the essential ways to save on airfare from Clearwater to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 24% on airfare.

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 December 13, 2025.

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

Weekly flight availability from Clearwater to St. Louis

Explore weekly flight availability from Clearwater 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 December 15, 2025.

The most flights from CL9 to STL are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 December 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.

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3 daily inbound flights from Clearwater from 6 different airlines.

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

    Airlines like Frontier fly from Clearwater to St. Louis in about 2h 43m. The time it takes to get you to your destination is usually consistent. The distance from Clearwater to St. Louis is about 870 mi. All flights are typically nonstop.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $70. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Clearwater to St. Louis for a low price.

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

    Looking at all options, your cheapest flight can be booked for $28. While the most popular route (Tampa - Lambert-St Louis) can be booked for $164 on average, our data indicates $178 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, December is the cheapest month in which you can book a flight from Clearwater to St. Louis (average of $40). Flying from Clearwater to St. Louis in June is currently the most expensive (average of $143). 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
Swansea
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.

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$167FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$84Average$98FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$100Average$191FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$365FlexibilityNo cancel feeOn-time71%
DeltaCheapest$189Average$311FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$201Average$365FlexibilityNo cancel feeOn-time63%

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