Which airports can I use when flying from Cincinnati to St. Louis?

Flights from Cincinnati to St. Louis usually depart from Cincinnati Cinci./N. Kentucky (CVG) and arrive at Lambert-St Louis (STL).

What cabin classes can I book on flights from Cincinnati to St. Louis?

Two cabin classes are available on flights from Cincinnati to St. Louis: • Economy Class • First Class

Which airports do connecting flights from Cincinnati to St. Louis pass through?

One-stop flights from Cincinnati to St. Louis most commonly connect through: • Chicago O'Hare Intl (ORD) - 70% of one-stop connections • Detroit Metropolitan Wayne County (DTW) - 10% of one-stop connections • Chicago Midway (MDW) - 8% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 7% of one-stop connections Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Cincinnati to St. Louis?

On the Cincinnati to St. Louis route, being flexible with your departure day can save you up to 58%. Sunday is the cheapest day at $236 round-trip on average, while Monday is the most expensive at $556: a $320 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in St. Louis?

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

How long is a flight from Cincinnati to St. Louis?

A nonstop flight from Cincinnati to St. Louis takes 0h 00m, covering 307 miles.

Do I need a passport to fly from Cincinnati to St. Louis?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Cincinnati to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $104 to $871. That means the highest observed fare was about 8x higher than the lowest one.

How are flight prices from Cincinnati to St. Louis looking right now?

One-way fares from Cincinnati to St. Louis are currently higher than usual. Average one-way flight prices are about $279, which is 16% above the typical average for this route.

How much time can I save by choosing a different layover airport from Cincinnati to St. Louis?

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 3h 42m, compared with 3h 57m via Nashville Intl (BNA) and 4h 12m via Chicago O'Hare Intl (ORD).

What is the time difference between Cincinnati and St. Louis?

St. Louis is 1 hour behind Cincinnati (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

How much should I expect to pay for a Cincinnati to St. Louis flight?

Round-trip flights from Cincinnati to St. Louis range from $314 to $417, with an average of $365 over the past 12 months. Anything below $314 counts as a good deal.

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

Frontier ($104) and American Airlines ($255) are the cheapest airlines to fly round-trip from Cincinnati to St. Louis according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Cincinnati to St. Louis?

Chicago O'Hare Intl (ORD) is the most popular layover for the Cincinnati to St. Louis route. 70% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.

What is the cheapest layover airport when flying from Cincinnati to St. Louis?

Flights via Denver Intl (DEN) offer the most affordable fares, with an average round-trip price of $275. Based on KAYAK data over the past 3 months.

When flying from Cincinnati to St. Louis which airport offers the shortest layover?

Chicago Midway (MDW) had the shortest average connection time for Cincinnati to St. Louis layovers at 154 minutes over the past 3 months.

$77 CHEAP FLIGHTS from Cincinnati to St. Louis (CVG - STL)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$104

Typical prices: $314-$417

Frontier

Fri 10/12Fri 10/19

CVG - STL • 1 stop

Cheapest one-way

$77

Typical prices: $193-$312

Frontier

Tue 10/9

CVG - STL • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Cincinnati and St. Louis. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 19% price drop

July

Most popular

Good to know

Top layover airports

Denver Intl (DEN)

Cheapest • Avg $275 (round-trip)

Chicago Midway (MDW)

Shortest trip • 3h 42m (one-way)

Insights

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We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Cincinnati to St. Louis (CVG-STL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Cincinnati to St. Louis

Mon, Oct 12 - Mon, Oct 19

12:43 pm - 5:40 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

5h 57m1 stop Atlanta Hartsfield-Jackson

6:35 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

16h 03m1 stop Atlanta Hartsfield-Jackson

$104Frontier

Mon, Oct 12 - Fri, Oct 16

12:43 pm - 5:40 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

5h 57m1 stop Atlanta Hartsfield-Jackson

6:35 pm - 10:42 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

15h 07m1 stop Atlanta Hartsfield-Jackson

$161Frontier

Mon, Oct 12 - Tue, Oct 13

9:04 pm - 12:19 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

4h 15m1 stop Chicago O'Hare Intl

11:31 am - 7:21 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

6h 50m1 stop Chicago O'Hare Intl

$255American Airlines

Sat, Jan 9 - Mon, Jan 11

5:11 am - 10:45 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

6h 34m1 stop Chicago O'Hare Intl

8:15 pm - 12:59 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

3h 44m1 stop Chicago O'Hare Intl

$255American Airlines

Sat, Jan 9 - Mon, Jan 11

6:55 am - 3:35 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

9h 40m2 stops Nashville Intl Dallas Love Field

6:30 am - 1:20 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 50m1 stop Baltimore/Washington

$260Southwest

Sat, Jan 9 - Mon, Jan 11

6:55 am - 3:35 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

9h 40m2 stops Nashville Intl Dallas Love Field

12:30 pm - 10:05 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

8h 35m2 stops Nashville Intl Baltimore/Washington

$265Southwest

Tue, Oct 20 - Thu, Oct 22

11:00 am - 1:53 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

3h 53m1 stop Detroit Metropolitan Wayne County

6:47 am - 1:36 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 49m1 stop Detroit Metropolitan Wayne County

$295Delta

Sat, Oct 10 - Sun, Oct 11

7:00 am - 10:48 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

4h 48m1 stop Chicago O'Hare Intl

6:00 am - 11:11 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

4h 11m1 stop Chicago O'Hare Intl

$306United Airlines

Sun, Dec 20 - Mon, Dec 21

1:30 pm - 5:26 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

4h 56m1 stop Detroit Metropolitan Wayne County

6:15 am - 11:24 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

4h 09m1 stop Detroit Metropolitan Wayne County

$306Delta

Thu, Oct 8 - Sun, Oct 11

10:50 am - 3:43 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

5h 53m1 stop Chicago O'Hare Intl

6:00 am - 11:11 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

4h 11m1 stop Chicago O'Hare Intl

$318United Airlines

Recent last minute flight deals from Cincinnati to St. Louis

Thu, Sep 17 - Fri, Sep 18

8:56 pm - 4:34 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

20h 38m1 stop Orlando

8:10 pm - 4:11 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

19h 01m1 stop Denver Intl

$350Frontier

Thu, Sep 17 - Sun, Sep 20

8:56 pm - 4:34 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

20h 38m1 stop Orlando

5:19 pm - 11:51 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 32m1 stop Orlando

$364Frontier

Wed, Sep 16 - Fri, Sep 18

8:56 pm - 4:24 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

20h 28m1 stop Orlando

5:19 pm - 11:51 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 32m1 stop Orlando

$385Frontier

Sat, Sep 19 - Mon, Sep 21

11:09 am - 11:17 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

25h 08m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl

2:29 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

20h 09m1 stop Atlanta Hartsfield-Jackson

$479Frontier

Sat, Sep 19 - Mon, Sep 21

11:09 am - 9:35 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

23h 26m1 stop Dallas/Fort Worth

2:29 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

20h 09m1 stop Atlanta Hartsfield-Jackson

$527Frontier

Sat, Sep 19 - Mon, Sep 21

1:15 pm - 7:35 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

7h 20m2 stops Nashville Intl Chicago Midway

6:55 am - 9:40 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

13h 45m2 stops Tampa Nashville Intl

$663Southwest

Sat, Sep 19 - Sun, Sep 20

4:55 pm - 7:35 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

3h 40m1 stop Chicago Midway

3:30 pm - 8:20 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

3h 50m1 stop Chicago Midway

$732Southwest

Sun, Sep 20 - Tue, Sep 22

7:24 pm - 12:27 amCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

6h 03m1 stop Chicago O'Hare Intl

5:18 pm - 11:52 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 34m1 stop Chicago O'Hare Intl

$732American Airlines

Sun, Sep 20 - Tue, Sep 22

7:30 am - 1:00 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

6h 30m2 stops Nashville Intl Dallas Love Field

10:45 am - 2:55 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

3h 10m1 stop Chicago Midway

$737Southwest

Sat, Sep 19 - Sun, Sep 20

1:15 pm - 7:35 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

7h 20m2 stops Nashville Intl Chicago Midway

6:40 am - 12:40 pmSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

5h 00m1 stop Nashville Intl

$737Southwest

Booking Insights

Price, demand and travel trends for Cincinnati to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Cincinnati to St. Louis with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Cincinnati to St. Louis?

Round-trip flights from Cincinnati to St. Louis start at $104. Prices are below average for this route right now, with typical round-trip fares ranging from $314 to $417. The lowest price found in the past 5 days was $104 on Frontier.

What's the cheapest day of the week to fly from Cincinnati to St. Louis?

Sunday is the cheapest day of the week to fly from Cincinnati to St. Louis, it is 36% cheaper than the average day. Monday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

January is the cheapest month to fly from Cincinnati to St. Louis at $297 round-trip.
September ($624) and February ($521) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 110% on average.

This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	November
High season	July
Cheapest flight	$77

Flight from Cincinnati to St. Louis

When to book flights from Cincinnati to St. Louis

Are your dates flexible? Find out the best times to travel from Cincinnati to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Cincinnati to St. Louis?
Flights from Cincinnati to St. Louis usually depart from Cincinnati Cinci./N. Kentucky (CVG) and arrive at Lambert-St Louis (STL).
What cabin classes can I book on flights from Cincinnati to St. Louis?
Two cabin classes are available on flights from Cincinnati to St. Louis:

• Economy Class
• First Class
Which airports do connecting flights from Cincinnati to St. Louis pass through?
One-stop flights from Cincinnati to St. Louis most commonly connect through:

• Chicago O'Hare Intl (ORD) - 70% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 10% of one-stop connections
• Chicago Midway (MDW) - 8% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 7% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Cincinnati to St. Louis?
On the Cincinnati to St. Louis route, being flexible with your departure day can save you up to 58%. Sunday is the cheapest day at $236 round-trip on average, while Monday is the most expensive at $556: a $320 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in St. Louis?
Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.
How long is a flight from Cincinnati to St. Louis?
A nonstop flight from Cincinnati to St. Louis takes 0h 00m, covering 307 miles.
Do I need a passport to fly from Cincinnati to St. Louis?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Cincinnati to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $104 to $871. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Cincinnati to St. Louis looking right now?
One-way fares from Cincinnati to St. Louis are currently higher than usual. Average one-way flight prices are about $279, which is 16% above the typical average for this route.
How much time can I save by choosing a different layover airport from Cincinnati to St. Louis?
Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 3h 42m, compared with 3h 57m via Nashville Intl (BNA) and 4h 12m via Chicago O'Hare Intl (ORD).
What is the time difference between Cincinnati and St. Louis?
St. Louis is 1 hour behind Cincinnati (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless
How much should I expect to pay for a Cincinnati to St. Louis flight?
Round-trip flights from Cincinnati to St. Louis range from $314 to $417, with an average of $365 over the past 12 months. Anything below $314 counts as a good deal.

If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $236 - about $320 less than Monday (58% savings) based on the last 12 months.
If you can choose when to travel, plan your Cincinnati to St. Louis trip for January. Fares historically average $297 round-trip in that month - typically $327 less than the most expensive month, which is September (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
- Drury Inn & Suites St. Louis Airport
- Renaissance St. Louis Airport Hotel
- DoubleTree by Hilton St. Louis Airport

More options for your flight from Cincinnati to St. Louis

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CVG - STL

$77 Find Cheap Flights from Cincinnati to St. Louis - Compare and Save

Everything you should know

Cheap Flights from Cincinnati to St. Louis (CVG-STL)

Recent round-trip flight deals from Cincinnati to St. Louis

Recent one-way flight deals from Cincinnati to St. Louis

Recent last minute flight deals from Cincinnati to St. Louis

Price, demand and travel trends for Cincinnati to St. Louis flights

How much is a round-trip flight from Cincinnati to St. Louis?

What's the cheapest day of the week to fly from Cincinnati to St. Louis?

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

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

What is the most popular layover airport when flying from Cincinnati to St. Louis?

What is the cheapest layover airport when flying from Cincinnati to St. Louis?

When flying from Cincinnati to St. Louis which airport offers the shortest layover?

Key details for Cincinnati to St. Louis flights

Low season

High season

Cheapest flight

When to book flights from Cincinnati to St. Louis

Your Cincinnati to St. Louis flight questions, answered

Your guide to booking Cincinnati to St. Louis flights

More options for your flight from Cincinnati to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Cincinnati to St. Louis

Find direct flights to and from Cincinnati and St. Louis

Flights from domestic origins to St. Louis

Flights to other popular destinations

Find deals for your return flight