St. Louis

$70+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — STL
Apr 17 — Apr 241
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Cheapflights Tip: The best prices from Clearwater to Lambert-St Louis are usually found in August or November, booked 84 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 March 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Wed 4/227:50 pm
TPA
-
STL
1 stop15h 40m
Frontier
Sat 4/258:23 pm
STL
-
TPA
1 stop10h 11m
Frontier
Deal found 3/17$160
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Thu 5/1411:51 am
TPA
-
STL
1 stop6h 03m
Frontier
Mon 5/185:27 pm
STL
-
TPA
1 stop17h 12m
Frontier
Deal found 3/17$161
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Thu 4/308:44 am
TPA
-
STL
1 stop23h 06m
Frontier
Mon 5/48:23 pm
STL
-
TPA
1 stop24h 04m
Frontier
Deal found 3/17$164
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 5/711:51 am
TPA
-
STL
1 stop6h 03m
Frontier
Mon 5/115:27 pm
STL
-
TPA
1 stop17h 12m
Frontier
Deal found 3/16$166
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 4/246:02 pm
TPA
-
STL
1 stop13h 48m
Multiple Airlines
Mon 4/278:23 pm
STL
-
TPA
1 stop27h 03m
Multiple Airlines
Deal found 3/17$167
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/85:25 pm
TPA
-
STL
1 stop16h 30m
Multiple Airlines
Mon 5/115:27 pm
STL
-
TPA
1 stop17h 12m
Multiple Airlines
Deal found 3/17$168
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Sun 4/196:02 pm
TPA
-
STL
1 stop13h 48m
Multiple Airlines
Thu 4/2311:25 am
STL
-
TPA
1 stop19h 09m
Multiple Airlines
Deal found 3/16$174
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:02 pm
TPA
-
STL
1 stop13h 48m
Multiple Airlines
Wed 5/65:27 pm
STL
-
TPA
1 stop26h 48m
Multiple Airlines
Deal found 3/15$178
This Frontier deal was found by Cheapflights users on 3/16. 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.
Thu 4/166:45 am
TPA
-
STL
1 stop13h 36m
Frontier
Mon 4/208:17 pm
STL
-
TPA
1 stop8h 15m
Frontier
Deal found 3/16$180
This Frontier deal was found by Cheapflights users on 3/16. 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.
Thu 4/98:50 pm
TPA
-
STL
1 stop13h 58m
Frontier
Mon 4/1312:22 pm
STL
-
TPA
1 stop17h 13m
Frontier
Deal found 3/16$181

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Kiwi.com)

One-way from

$70
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$388
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. 13% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 18, 2026.
Use the filters below to find and compare flights from Clearwater to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 4/30

6:35 pm-12:15 am

1 stop6h 40m

Lambert-St Louis

Mon 5/4

2:25 pm-5:40 pm

Nonstop2h 15m

$353

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 5/14

6:05 am-7:35 am

Nonstop2h 30m

Lambert-St Louis

Mon 5/18

7:40 pm-11:00 pm

Nonstop2h 20m

$355
Quickest round-trip

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 5/14

9:25 pm-10:55 pm

Nonstop2h 30m

Lambert-St Louis

Sat 5/16

5:10 pm-8:25 pm

Nonstop2h 15m

$355

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Wed 5/13

5:05 pm-11:10 pm

1 stop7h 05m

Lambert-St Louis

Mon 5/18

5:05 am-8:25 am

Nonstop2h 20m

$365

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 4/10

5:10 am-9:35 am

1 stop5h 25m

Lambert-St Louis

Sat 4/11

5:10 pm-8:25 pm

Nonstop2h 15m

$373

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Thu 8/27

2:00 pm-9:22 pm

2 stops8h 22m

Lambert-St Louis

Sun 8/30

5:00 am-3:10 pm

2 stops9h 10m

$382

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Sat 3/28

5:30 am-9:35 am

1 stop5h 05m

Lambert-St Louis

Mon 3/30

4:05 pm-11:25 pm

1 stop6h 20m

$386

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Mon 4/6

7:59 pm-11:58 pm

1 stop4h 59m

Lambert-St Louis

Thu 4/9

5:59 pm-11:53 pm

1 stop4h 54m

$395

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Fri 5/29

5:26 am-9:44 am

1 stop5h 18m

Lambert-St Louis

Sun 5/31

7:15 am-12:40 pm

1 stop4h 25m

$411
Cheapest one-way

TampaSt. Louis

TPA - STL

TPASTL

Tampa

Wed 4/15

11:05 am-12:40 pm

Nonstop2h 35m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 March 13, 2026.

The best time to book flights from Clearwater to St. Louis is 84 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 $145). 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 March 18, 2026.

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 evening could potentially save you up to 7% 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 March 14, 2026.

Travelers seeking maximum savings on their Clearwater to St. Louis flight should consider departing on Friday at noon 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 March 18, 2026.

The most flights from CL9 to STL are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 March 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican 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.

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 5 different airlines.

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

    Airlines like Southwest fly from Clearwater to St. Louis in about 6h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from Clearwater to St. Louis is about 870 mi.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Clearwater to St. Louis for a low price.

  • 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: Frontier (76%), Southwest (71%), Volaris( 57%).

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

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Tampa - Lambert-St Louis) can be booked for $167 on average, our data indicates $267 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 $145). 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
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 5 airlines flying from Clearwater to St. Louis

Discover the top 5 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$161FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$176FlexibilityNo cancel feeOn-time65%
DeltaCheapest$118Average$300FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$339FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$370FlexibilityNo cancel feeOn-time63%

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