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St. Louis

$60+ Cheap flights from Ohio 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — STL
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from Ohio to St. Louis

Cheapest flights from Ohio to St. Louis
Explore the most affordable flight options available from Ohio to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 30, 2025.

This American Airlines deal was found by Cheapflights users on 12/28. 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 12/318:09 amPIT - STL
1 stop5h 23mAmerican Airlines
Sun 1/42:04 pmSTL - PIT
1 stop5h 54mAmerican Airlines
Deal found 12/28$389
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Mon 12/298:09 amPIT - STL
1 stop5h 23mAmerican Airlines
Mon 1/59:08 amSTL - PIT
1 stop6h 27mAmerican Airlines
Deal found 12/28$427
This Southwest deal was found by Cheapflights users on 12/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:10 pmPIT - STL
1 stop4h 00mSouthwest
Thu 1/110:15 amSTL - PIT
2 stops11h 05mSouthwest
Deal found 12/29$464
This Southwest deal was found by Cheapflights users on 12/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 amPIT - STL
1 stop4h 00mSouthwest
Mon 1/51:20 pmSTL - PIT
2 stops8h 30mSouthwest
Deal found 12/29$478
This Southwest deal was found by Cheapflights users on 12/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:55 pmPIT - STL
1 stop4h 10mSouthwest
Mon 1/51:20 pmSTL - PIT
2 stops8h 30mSouthwest
Deal found 12/28$504
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Tue 12/3010:33 amCMH - STL
1 stop6h 50mAmerican Airlines
Wed 1/79:25 amSTL - CMH
1 stop5h 55mAmerican Airlines
Deal found 12/28$507
This American Airlines deal was found by Cheapflights users on 12/29. 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 12/316:00 amDTW - STL
1 stop11h 00mAmerican Airlines
Sat 1/35:00 amSTL - DTW
1 stop8h 52mAmerican Airlines
Deal found 12/29$520
This American Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/308:23 amCMH - STL
1 stop5h 51mAmerican Airlines
Sun 1/46:35 pmSTL - CMH
1 stop4h 57mAmerican Airlines
Deal found 12/29$539
This American Airlines deal was found by Cheapflights users on 12/29. 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 12/318:00 amCLE - STL
1 stop9h 00mAmerican Airlines
Thu 1/12:04 pmSTL - CLE
1 stop9h 21mAmerican Airlines
Deal found 12/29$545
This American Airlines deal was found by Cheapflights users on 12/29. 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 12/317:16 amDTW - STL
1 stop9h 44mAmerican Airlines
Sun 1/45:00 amSTL - DTW
1 stop10h 29mAmerican Airlines
Deal found 12/29$571
This Kiwi.com deal was found by Cheapflights users on 12/28. 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 12/313:39 pmDTW - STL
2 stops27h 57mMultiple Airlines
Sun 1/410:57 amSTL - DTW
1 stop20h 10mMultiple Airlines
Deal found 12/28$577
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Mon 12/298:00 amCLE - STL
1 stop6h 14mAmerican Airlines
Sun 1/45:00 amSTL - CLE
1 stop6h 51mAmerican Airlines
Deal found 12/28$596

Find flight deals from Ohio to St. Louis

Keep the following information in mind while searching for Ohio to St. Louis flight deals. Data was last updated December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$145
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$336

Good round-trip deal

$315 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Cleveland Hopkins Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Lambert-St Louis flights.
Search Deals
From Ohio to Lambert-St Louis
Search Deals
One-way flight from Ohio to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ohio to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Ohio to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio 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 30, 2025.
Use the filters below to find and compare flights from Ohio to St. Louis that are best for you.

Fly from

Ohio

Fly to

St. Louis

Route

Depart

Return

Price

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Mon 2/2

8:50 am-2:57 pm

1 stop7h 07m

Lambert-St Louis

Sat 2/7

3:54 pm-11:33 pm

1 stop6h 39m

$161

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Fri 2/27

6:57 pm-11:41 am

1 stop17h 44m

Lambert-St Louis

Mon 3/2

3:49 pm-8:46 am

1 stop15h 57m

$162

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 1/26

3:14 pm-11:33 pm

1 stop9h 19m

Lambert-St Louis

Sat 1/31

3:46 pm-4:19 pm

1 stop23h 33m

$173

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 1/29

7:28 pm-10:23 am

1 stop15h 55m

Lambert-St Louis

Sat 1/31

8:22 pm-10:47 am

1 stop13h 25m

$176

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 2/4

11:20 am-2:30 pm

1 stop4h 10m

Lambert-St Louis

Thu 2/5

7:00 am-1:51 pm

1 stop5h 51m

$182

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Fri 1/23

5:32 am-11:33 pm

1 stop19h 01m

Lambert-St Louis

Mon 1/26

5:42 pm-11:44 pm

2 stops29h 02m

$184

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Sat 1/17

7:15 am-12:29 pm

1 stop6h 14m

Lambert-St Louis

Mon 1/19

6:40 pm-11:44 pm

1 stop4h 04m

$191

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Sat 2/7

9:13 am-3:04 pm

1 stop6h 51m

Lambert-St Louis

Mon 2/9

3:54 pm-11:29 pm

1 stop6h 35m

$191

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 1/26

6:34 pm-11:59 pm

1 stop6h 25m

Lambert-St Louis

Mon 2/2

7:00 am-1:51 pm

1 stop5h 51m

$191

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Thu 2/5

3:44 pm-10:23 am

2 stops19h 39m

Lambert-St Louis

Sat 2/28

12:36 pm-11:09 pm

1 stop9h 33m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 60 results
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Best time to book a flight from Ohio to St. Louis

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

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

Currently, October is the cheapest month in which you can book a flight from Ohio to St. Louis (average of $85). Flying from Ohio to St. Louis in June is currently the most expensive (average of $232). 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 OH to STL?

Find hourly flight availability from Ohio 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 30, 2025.

It’s typically best to fly out from Ohio to St. Louis at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Ohio to St. Louis. Price data was last updated on December 27, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Ohio 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 Ohio?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Ohio to St. Louis.

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

    For as low as $182, Frontier can have you in St. Louis from Ohio in 4h 10m. The distance between Ohio and St. Louis is about 439 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $71 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $84 and $87, respectively.

  • What are the most popular routes from Ohio to St. Louis?

    While some choose either Pittsburgh - Lambert-St Louis or Cleveland Hopkins Intl - Lambert-St Louis, Detroit Metropolitan Wayne County - Lambert-St Louis is the most popular route from Ohio to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ohio 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 Ohio to St. Louis?

    Currently, October is the cheapest month in which you can book a flight from Ohio to St. Louis (average of $85). Flying from Ohio to St. Louis in June is currently the most expensive (average of $232). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Ohio to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ohio to St. Louis

Discover the top 5 airlines that operate flights from Ohio 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$252FlexibilityNo cancel feeOn-time62%
DeltaCheapest$121Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$339FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$324FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$222Average$345FlexibilityNo cancel feeOn-time69%

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