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Cheap flights from Cincinnati to St. Louis (CVG - STL) from $138

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CVG — STL
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Cincinnati Cinci./N. Kentucky to Lambert-St Louis are usually found in February or September, booked 78 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Cincinnati to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Cincinnati (CVG) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$323

One-way from

$225
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 42% potential price drop
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From Cincinnati Cinci./N. Kentucky to Lambert-St Louis
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One-way flight from Cincinnati Cinci./N. Kentucky to Lambert-St Louis
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What is the cheapest day to fly round-trip from Cincinnati to St. Louis?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 52% on the overall cost on flights from Cincinnati to St. Louis.

How far in advance should I book a flight from Cincinnati to St. Louis?

To save on the cost of your flight from Cincinnati to St. Louis, book at least 40 days before your planned departure. Booking around this time can save you about 3% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $214 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $214.

What is the cheapest month to fly from Cincinnati to St. Louis?

Flights from Cincinnati to St. Louis lean towards being more expensive in June. Prices are generally better when you fly from Cincinnati to St. Louis in February, with the cheapest ticket starting at $165.

When is the cheapest time to fly from Cincinnati to St. Louis (CVG - STL)?

When flying from Cincinnati to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight in the afternoon.

Cheap American Airlines flights from Cincinnati to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Cincinnati and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Consider these cheap American Airlines flights we've found departing from Cincinnati to St. Louis. Deals update often to give you more flight options matching your criteria
Sun 5/268:40 amCVG - STL
1 stop8h 37mAmerican Airlines
Wed 5/297:30 amSTL - CVG
1 stop6h 47mAmerican Airlines
Deal found 4/27$191
Wed 7/1010:50 amCVG - STL
1 stop7h 29mAmerican Airlines
Sat 7/135:46 pmSTL - CVG
1 stop5h 38mAmerican Airlines
Deal found 4/27$227
Fri 10/256:59 amCVG - STL
1 stop4h 05mAmerican Airlines
Sun 10/275:43 amSTL - CVG
1 stop3h 54mAmerican Airlines
Deal found 4/27$273
Fri 7/195:40 pmCVG - STL
1 stop7h 14mAmerican Airlines
Mon 7/225:46 pmSTL - CVG
1 stop5h 13mAmerican Airlines
Deal found 4/27$283
Sun 5/266:15 amCVG - STL
1 stop4h 38mAmerican Airlines
Wed 5/299:51 amSTL - CVG
2 stops6h 37mAmerican Airlines
Deal found 4/27$458
Wed 7/108:43 amCVG - STL
2 stops9h 38mAmerican Airlines
Sat 7/1310:59 amSTL - CVG
2 stops7h 40mAmerican Airlines
Deal found 4/27$463

Cheap United Airlines flights from Cincinnati to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Cincinnati and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Cincinnati to St. Louis. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 10/257:15 amCVG - STL
1 stop3h 52mUnited Airlines
Sun 10/276:45 amSTL - CVG
2 stops6h 30mUnited Airlines
Deal found 4/28$714
Fri 7/197:10 amCVG - STL
1 stop6h 07mUnited Airlines
Mon 7/226:30 amSTL - CVG
2 stops6h 43mUnited Airlines
Deal found 4/27$1,176

Cheap Cincinnati to St. Louis flights in April & May 2024

Find cheap flight options from Cincinnati to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 28, 2024.
These are some of the best deals we've found on flights to St. Louis in 2024 at this time. Check back regularly for other flight deals.
Sun 5/268:40 amCVG - STL
1 stop8h 37mAmerican Airlines
Wed 5/297:30 amSTL - CVG
1 stop6h 47mAmerican Airlines
Deal found 4/27$191
Sat 5/118:30 amCVG - STL
1 stop6h 58mDelta
Tue 5/146:30 pmSTL - CVG
1 stop4h 27mDelta
Deal found 4/26$356
Sun 5/266:15 amCVG - STL
1 stop4h 38mAmerican Airlines
Wed 5/299:51 amSTL - CVG
2 stops6h 37mAmerican Airlines
Deal found 4/27$458

Cincinnati to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Cincinnati and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
These are some of the best deals we've found on flights to St. Louis in 2024 at this time. Check back regularly for other flight deals.
Sun 5/268:40 amCVG - STL
1 stop8h 37mAmerican Airlines
Wed 5/297:30 amSTL - CVG
1 stop6h 47mAmerican Airlines
Deal found 4/27$191
Fri 10/256:59 amCVG - STL
1 stop4h 05mAmerican Airlines
Sun 10/275:43 amSTL - CVG
1 stop3h 54mAmerican Airlines
Deal found 4/27$273
Sat 5/118:30 amCVG - STL
1 stop6h 58mDelta
Tue 5/146:30 pmSTL - CVG
1 stop4h 27mDelta
Deal found 4/26$356
Sun 5/266:15 amCVG - STL
1 stop4h 38mAmerican Airlines
Wed 5/299:51 amSTL - CVG
2 stops6h 37mAmerican Airlines
Deal found 4/27$458

One-way flights to St. Louis from Cincinnati

Search for one-way flight options from Cincinnati to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Cincinnati to St. Louis can choose from these deals. Users in need of a round-trip flight from Cincinnati to St. Louis instead should update the search form at the top of page.
Mon 5/278:01 pmCVG - STL
1 stop4h 39mDelta
Deal found 4/27$138
Wed 5/88:16 pmCVG - STL
1 stop4h 06mAmerican Airlines
Deal found 4/26$215
Mon 5/277:05 pmCVG - STL
2 stops19h 32mMultiple Airlines
Deal found 4/27$225
Fri 5/34:03 pmCVG - STL
1 stop5h 12mDelta
Deal found 4/27$228
Wed 5/86:15 amCVG - STL
2 stops9h 20mAmerican Airlines
Deal found 4/26$232
Fri 5/33:46 pmCVG - STL
2 stops8h 14mAmerican Airlines
Deal found 4/27$302
Fri 5/36:45 pmCVG - STL
3 stops18h 01mWestJet
Deal found 4/27$1,181

Find flights from Cincinnati to St. Louis within your budget

Customize your flight search to find flights from Cincinnati 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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$191 - $1,176

Route

Depart

Return

Price

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Sun 5/26

1 stop8h 37m

Lambert-St Louis

Wed 5/29

1 stop6h 47m

$191

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 7/10

1 stop7h 29m

Lambert-St Louis

Sat 7/13

1 stop5h 38m

$227

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 10/25

1 stop4h 05m

Lambert-St Louis

Sun 10/27

1 stop3h 54m

$273

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 7/19

1 stop7h 14m

Lambert-St Louis

Mon 7/22

1 stop5h 13m

$283

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Sat 5/11

1 stop5h 45m

Lambert-St Louis

Tue 5/14

1 stop4h 19m

$356

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Sun 5/26

1 stop4h 38m

Lambert-St Louis

Wed 5/29

2 stops6h 37m

$458

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 7/10

2 stops9h 38m

Lambert-St Louis

Sat 7/13

2 stops7h 40m

$463

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 10/25

1 stop3h 52m

Lambert-St Louis

Sun 10/27

2 stops6h 30m

$714

Cincinnati Cinci./N. KentuckyLambert-St Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 7/19

1 stop6h 07m

Lambert-St Louis

Mon 7/22

2 stops6h 43m

$1,176

Flights are sorted by cheapest first

Deals found on 4/27

When is the best time to book a flight from Cincinnati to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Cincinnati to St. Louis. Price data was last updated on January 28, 2024.
The best time to book flights from Cincinnati to St. Louis is 78 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.
Search Deals

When is the cheapest time to fly from Cincinnati to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Cincinnati to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Cincinnati to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to St. Louis by month

Plan your trip from Cincinnati to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Cincinnati to St. Louis is currently $360 while a round-trip flight costs $460. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Cincinnati to St. Louis (average of $323). Flying from Cincinnati to St. Louis in July is currently the most expensive (average of $378). 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.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 April 28, 2024.
To help decide which airline to fly from Cincinnati to St. Louis, see what other customers have to say about American Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

WestJet
7.5
Good
2,977 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,875 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Food

7.4

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Cincinnati to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Cincinnati to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Cincinnati to St. Louis for under $200. The cheapest flight booked recently is on American Airlines for just $191, but on average you can expect to pay $460.

  • What are the cheapest airlines flying from Cincinnati to St. Louis round-trip?

    Currently priced at $191, American Airlines will fly you from Cincinnati to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $356 and $714, respectively. American Airlines is priced at 55% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Cincinnati to St. Louis are Delta ($138), American Airlines ($215), and WestJet ($1,181).

  • What are the most popular airlines that fly from Cincinnati to St. Louis?

    Before booking your flight from Cincinnati to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • What does CVG to STL mean?

    Great question - CVG to STL just means Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Cincinnati to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Cincinnati to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Cincinnati to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Cincinnati to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cincinnati 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.

  • Can I find deals for flights from Cincinnati to St. Louis that allow pets onboard?

    Many airlines flying from Cincinnati to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Cincinnati to St. Louis?

    Yes, you can often find last-minute deals on Cincinnati to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Cincinnati to St. Louis flight deals updated?

    The Cincinnati to St. Louis flight deals you see on this page were last updated on 4/27.

See more FAQs

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Top 4 airlines flying from Cincinnati to St. Louis

Discover the top 4 airlines that operate flights from Cincinnati 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 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$165Average$206FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$175Average$435FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$217Average$383FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$246Average$436FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Cincinnati to St. Louis by cabin class

Find flights from Cincinnati to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Cincinnati to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cincinnati to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cincinnati to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Cincinnati to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Cincinnati to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cincinnati to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cincinnati to St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Cincinnati today and book when prices fit your budget.

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