St. Louis

$55+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — STL
Jul 15 — Jul 221
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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 June 15, 2026.

This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:25 pm
CLE
-
STL
Nonstop1h 35m
Southwest
Wed 8/127:10 pm
STL
-
CLE
Nonstop1h 30m
Southwest
Deal found 6/15$109
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:15 am
CLE
-
STL
Nonstop1h 30m
Southwest
Sat 8/84:20 pm
STL
-
CLE
Nonstop1h 30m
Southwest
Deal found 6/14$152
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/512:18 pm
CVG
-
STL
1 stop21h 39m
Frontier
Sat 7/114:57 pm
STL
-
CVG
1 stop17h 16m
Frontier
Deal found 6/11$161
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/2312:18 pm
CVG
-
STL
1 stop6h 19m
Frontier
Sun 7/266:34 pm
STL
-
CVG
1 stop16h 14m
Frontier
Deal found 6/11$163
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:18 pm
CVG
-
STL
1 stop6h 19m
Frontier
Fri 7/174:57 pm
STL
-
CVG
1 stop17h 51m
Frontier
Deal found 6/14$164
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:44 pm
CMH
-
STL
1 stop16h 13m
Frontier
Mon 7/204:57 pm
STL
-
CMH
1 stop23h 02m
Frontier
Deal found 6/13$164
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:44 pm
CMH
-
STL
1 stop16h 13m
Frontier
Sat 7/184:57 pm
STL
-
CMH
1 stop23h 02m
Frontier
Deal found 6/13$167
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/2712:12 pm
CVG
-
STL
1 stop6h 18m
Frontier
Fri 9/45:33 pm
STL
-
CVG
1 stop17h 14m
Frontier
Deal found 6/11$175
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 9/1712:48 pm
CVG
-
STL
1 stop21h 52m
Frontier
Wed 9/2310:35 am
STL
-
CVG
1 stop24h 08m
Frontier
Deal found 6/12$179
This Southwest deal was found by Cheapflights users on 6/11. 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 8/257:20 pm
PIT
-
STL
Nonstop1h 40m
Southwest
Wed 8/266:40 pm
STL
-
PIT
Nonstop1h 35m
Southwest
Deal found 6/11$182
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:56 pm
DTW
-
STL
1 stop19h 01m
Frontier
Mon 8/104:57 pm
STL
-
DTW
1 stop19h 36m
Frontier
Deal found 6/13$184
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/2510:45 am
PIT
-
STL
1 stop5h 53m
United Airlines
Wed 8/268:00 am
STL
-
PIT
1 stop4h 15m
United Airlines
Deal found 6/11$184

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$152
(Southwest)

One-way from

$55
(Southwest)

Popular in

January

Cheapest in

August

Average price

$361

Good round-trip deal

$357 or less

Good one-way deal

$202 or less
Provider with most accurate pricing for Cleveland Hopkins Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Lambert-St Louis flights.
From Ohio to Lambert-St Louis
One-way flight from Ohio to Lambert-St Louis
Highest demand for flights based on searches. 16% potential increase in price ($64 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Ohio to Lambert-St Louis.
Price to beat on a one-way flight from Ohio to Lambert-St Louis.

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 June 15, 2026.
Use the filters below to find and compare flights from Ohio to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Tue 8/4

7:15 am-7:45 am

Nonstop1h 30m

Lambert-St Louis

Sat 8/8

4:20 pm-6:50 pm

Nonstop1h 30m

$152

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Thu 7/23

12:18 pm-5:37 pm

1 stop6h 19m

Lambert-St Louis

Sun 7/26

6:34 pm-11:48 am

1 stop16h 14m

$163

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Tue 8/25

7:20 pm-8:00 pm

Nonstop1h 40m

Lambert-St Louis

Wed 8/26

6:40 pm-9:15 pm

Nonstop1h 35m

$182

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Wed 7/15

7:05 am-7:40 am

Nonstop1h 35m

Lambert-St Louis

Sat 7/18

5:00 am-11:50 am

1 stop5h 50m

$205

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 7/1

7:05 am-7:40 am

Nonstop1h 35m

Lambert-St Louis

Sat 7/4

10:15 am-12:45 pm

Nonstop1h 30m

$209

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Sat 9/5

10:45 am-6:55 pm

1 stop9h 10m

Lambert-St Louis

Tue 9/8

6:40 pm-9:15 pm

Nonstop1h 35m

$211

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Wed 8/19

6:40 am-7:20 am

Nonstop1h 40m

Lambert-St Louis

Sat 8/22

6:45 am-12:10 pm

1 stop4h 25m

$211

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 7/1

4:41 pm-5:23 pm

Nonstop1h 42m

Lambert-St Louis

Fri 7/3

6:10 pm-8:45 pm

Nonstop1h 35m

$217

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 7/1

8:00 pm-8:39 pm

Nonstop1h 39m

Lambert-St Louis

Sat 7/4

6:30 am-9:04 am

Nonstop1h 34m

$217

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Tue 6/30

7:50 pm-10:25 pm

1 stop3h 35m

Lambert-St Louis

Fri 7/3

7:55 pm-10:25 pm

Nonstop1h 30m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 60 resultsSorted by cheapest first
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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 November is currently the most expensive (average of $204). 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 June 15, 2026.

It’s typically best to fly out from Ohio to St. Louis at noon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Ohio to St. Louis

Explore weekly flight availability from Ohio 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 June 15, 2026.

The most flights from USOH to STL are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Ohio to St. Louis?

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

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ohio to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 13, 2026.

Travelers seeking maximum savings on their Ohio to St. Louis flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday 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 popular is this Ohio to St. Louis flight route?

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

    For as low as $152, Southwest can have you in St. Louis from Ohio in 1h 30m. The distance between Ohio and St. Louis is about 486 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 Southwest, with prices starting from $84 and $88, respectively.

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

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

    The cheapest flight price from Ohio to St. Louis is $183. On average you can expect to pay $344. The most popular route, (Detroit Metropolitan Wayne County - Lambert-St Louis), can usually be booked for $209.

  • 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 November is currently the most expensive (average of $204). 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

Browse thousands of different options on Cheapflights for your next trip

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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.

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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$342FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$124Average$230FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$185Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$186Average$377FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$210Average$339FlexibilityNo cancel feeOn-time69%

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