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St. Louis

$38+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
CVG — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$70
(Kiwi.com)

One-way from

$38
(FlightHub)

Popular in

January

Cheapest in

April

Average price

$275

Good round-trip deal

$303 or less

Good one-way deal

$158 or less
From Ohio to Lambert-St Louis
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One-way flight from Ohio to Lambert-St Louis
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Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Ohio to Lambert-St Louis.
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Price to beat on a one-way flight from Ohio to Lambert-St Louis.
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Find 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 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 6/305:47 pmDTW - STL
Nonstop1h 31mSpirit Airlines
Thu 7/1010:47 amSTL - DTW
Nonstop1h 29mSpirit Airlines
Deal found 6/10$70
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:55 amDTW - STL
Nonstop1h 37mDelta
Mon 8/186:40 amSTL - DTW
Nonstop1h 33mDelta
Deal found 6/10$139
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:50 pmCLE - STL
Nonstop1h 35mSouthwest
Thu 9/182:00 pmSTL - CLE
Nonstop1h 30mSouthwest
Deal found 6/12$157
This Southwest deal was found by Cheapflights users on 6/10. 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 9/298:45 amCMH - STL
Nonstop1h 25mSouthwest
Thu 10/27:45 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 6/10$157
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1311:28 amDTW - STL
1 stop9h 03mMultiple Airlines
Mon 7/2110:47 amSTL - DTW
Nonstop1h 29mMultiple Airlines
Deal found 6/9$158
This Southwest deal was found by Cheapflights users on 6/10. 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 8/126:15 amDTW - STL
1 stop4h 20mSouthwest
Tue 8/195:25 pmSTL - DTW
Nonstop1h 30mSouthwest
Deal found 6/10$167
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:00 amCLE - STL
1 stop4h 04mAmerican Airlines
Wed 9/39:56 amSTL - CLE
1 stop3h 55mAmerican Airlines
Deal found 6/12$177
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/296:14 amCMH - STL
1 stop4h 02mAmerican Airlines
Thu 10/25:55 amSTL - CMH
1 stop3h 31mAmerican Airlines
Deal found 6/10$177
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/83:12 pmDTW - STL
1 stop6h 06mAmerican Airlines
Mon 8/118:40 amSTL - DTW
1 stop5h 49mAmerican Airlines
Deal found 6/11$182
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:00 amPIT - STL
1 stop8h 22mAmerican Airlines
Tue 11/411:20 amSTL - PIT
1 stop8h 48mAmerican Airlines
Deal found 6/11$183
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:55 pmCMH - STL
1 stop4h 44mDelta
Thu 10/97:20 amSTL - CMH
1 stop4h 40mDelta
Deal found 6/12$183
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:01 pmCVG - STL
1 stop9h 18mAmerican Airlines
Thu 8/78:50 amSTL - CVG
1 stop8h 30mAmerican Airlines
Deal found 6/12$195

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 12, 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

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/30

5:47 pm-6:18 pm

Nonstop1h 31m

Lambert-St Louis

Thu 7/10

10:47 am-1:16 pm

Nonstop1h 29m

$70

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 8/13

8:55 am-9:32 am

Nonstop1h 37m

Lambert-St Louis

Mon 8/18

6:40 am-9:13 am

Nonstop1h 33m

$139

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Sun 7/13

11:28 am-7:31 pm

1 stop9h 03m

Lambert-St Louis

Mon 7/21

10:47 am-1:16 pm

Nonstop1h 29m

$158

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Tue 8/12

6:15 am-9:35 am

1 stop4h 20m

Lambert-St Louis

Tue 8/19

5:25 pm-7:55 pm

Nonstop1h 30m

$167

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Mon 9/1

5:00 am-8:04 am

1 stop4h 04m

Lambert-St Louis

Wed 9/3

9:56 am-2:51 pm

1 stop3h 55m

$177

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Fri 8/8

3:12 pm-8:18 pm

1 stop6h 06m

Lambert-St Louis

Mon 8/11

8:40 am-3:29 pm

1 stop5h 49m

$182

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Tue 10/28

9:00 am-4:22 pm

1 stop8h 22m

Lambert-St Louis

Tue 11/4

11:20 am-9:08 pm

1 stop8h 48m

$183

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Mon 9/1

8:05 pm-8:40 pm

Nonstop1h 35m

Lambert-St Louis

Wed 9/3

6:40 pm-9:10 pm

Nonstop1h 30m

$191

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Tue 8/5

12:01 pm-8:19 pm

1 stop9h 18m

Lambert-St Louis

Thu 8/7

8:50 am-6:20 pm

1 stop8h 30m

$195

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Wed 8/27

1:05 pm-1:50 pm

Nonstop1h 45m

Lambert-St Louis

Tue 9/9

2:30 pm-5:05 pm

Nonstop1h 35m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from Ohio to St. Louis (average of $311). Flying from Ohio 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 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 12, 2025.

When flying from Ohio to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Ohio to St. Louis, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $38 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $61 and $79, respectively.

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

    While some choose either Cleveland Hopkins Intl - Lambert-St Louis or Pittsburgh - 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, August is the cheapest month in which you can book a flight from Ohio to St. Louis (average of $311). Flying from Ohio 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 Ohio?

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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$210FlexibilityNo cancel feeOn-time62%
DeltaCheapest$162Average$343FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$181Average$322FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$361FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$228Average$330FlexibilityNo cancel feeOn-time63%

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