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Cheap flights from Cincinnati to St. Louis from $62

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cincinnati to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:18 pm - 5:42 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
25h 24m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:34 pm - 9:19 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
13h 45m1 stop Atlanta Hartsfield-Jackson
$113Frontier
Thu, Nov 12 - Wed, Nov 18
Frontier Logo
12:36 pm - 5:42 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 06m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:34 pm - 9:19 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
13h 45m1 stop Atlanta Hartsfield-Jackson
$123Frontier
Wed, Nov 11 - Wed, Nov 18
Frontier Logo
12:36 pm - 5:42 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 06m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:34 pm - 9:19 amSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
13h 45m1 stop Atlanta Hartsfield-Jackson
$136Frontier
Wed, Nov 11 - Wed, Nov 18
Southwest Logo
5:35 pm - 12:10 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
7h 35m1 stop Baltimore/Washington
Southwest Logo
10:55 am - 3:25 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
3h 30m1 stop Chicago Midway
$279Southwest
Fri, Nov 13 - Tue, Nov 17
Delta Logo
6:00 am - 9:17 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
4h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:40 am - 1:36 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
5h 56m1 stop Detroit Metropolitan Wayne County
$279Delta
Tue, Nov 3 - Tue, Nov 10
Delta Logo
2:16 pm - 5:14 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
3h 58m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:29 pm - 5:34 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
4h 05m1 stop Atlanta Hartsfield-Jackson
$279Delta
Tue, Nov 10 - Thu, Nov 19
American Airlines Logo
9:20 pm - 11:59 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
3h 39m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 12:22 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
5h 22m1 stop Chicago O'Hare Intl
$279American Airlines
Mon, Nov 2 - Thu, Nov 5
Southwest Logo
6:40 pm - 12:35 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 55m2 stops Nashville Intl Dallas Love Field
Southwest Logo
7:35 am - 1:50 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
5h 15m1 stop Nashville Intl
$284Southwest
Fri, Nov 13 - Tue, Nov 17
American Airlines Logo
8:15 pm - 12:04 amCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
4h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
5:05 am - 12:34 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
6h 29m1 stop Chicago O'Hare Intl
$308American Airlines
Fri, Jan 8 - Sun, Jan 10
United Airlines Logo
11:10 am - 4:59 pmCVG  Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis
6h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 pm - 11:42 pmSTL  Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky
3h 52m1 stop Chicago O'Hare Intl
$447United Airlines
Wed, Nov 25 - Sun, Nov 29

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Frontier flights from Cincinnati to St. Louis

Our best Frontier deals on Cincinnati to St. Louis flight tickets
Frontier
Nov 12
CVG5:18 pmCincinnati Cinci./N. Kentucky
25h 24m
1 stop
STL5:42 pmLambert-St Louis
Nov 18
STL6:34 pmLambert-St Louis
13h 45m
1 stop
CVG9:19 amCincinnati Cinci./N. Kentucky
$113
Frontier
Nov 11
CVG12:36 pmCincinnati Cinci./N. Kentucky
6h 06m
1 stop
STL5:42 pmLambert-St Louis
Nov 18
STL6:34 pmLambert-St Louis
13h 45m
1 stop
CVG9:19 amCincinnati Cinci./N. Kentucky
$123
Frontier
Nov 11
CVG12:36 pmCincinnati Cinci./N. Kentucky
6h 06m
1 stop
STL5:42 pmLambert-St Louis
Nov 18
STL6:34 pmLambert-St Louis
13h 45m
1 stop
CVG9:19 amCincinnati Cinci./N. Kentucky
$136

Delta flights from Cincinnati to St. Louis

Our best Delta deals on Cincinnati to St. Louis flight tickets
Delta
Nov 10
CVG2:16 pmCincinnati Cinci./N. Kentucky
3h 58m
1 stop
STL5:14 pmLambert-St Louis
Nov 19
STL12:29 pmLambert-St Louis
4h 05m
1 stop
CVG5:34 pmCincinnati Cinci./N. Kentucky
$279
Delta
Nov 12
CVG7:00 amCincinnati Cinci./N. Kentucky
7h 23m
1 stop
STL1:23 pmLambert-St Louis
Nov 19
STL7:13 amLambert-St Louis
4h 27m
1 stop
CVG12:40 pmCincinnati Cinci./N. Kentucky
$312
Delta
Nov 10
CVG6:19 amCincinnati Cinci./N. Kentucky
4h 06m
1 stop
STL9:25 amLambert-St Louis
Nov 20
STL7:18 pmLambert-St Louis
4h 19m
1 stop
CVG12:37 amCincinnati Cinci./N. Kentucky
$328

momondo Fare Finder

 
Use the filters below to find and compare flights from Cincinnati to St. Louis that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Thu 11/12

5:18 pm-5:42 pm

1 stop25h 24m

Lambert-St Louis

Wed 11/18

6:34 pm-9:19 am

1 stop13h 45m

$113

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 11/11

12:36 pm-5:42 pm

1 stop6h 06m

Lambert-St Louis

Wed 11/18

6:34 pm-9:19 am

1 stop13h 45m

$123

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 11/11

12:36 pm-5:42 pm

1 stop6h 06m

Lambert-St Louis

Wed 11/18

6:34 pm-9:19 am

1 stop13h 45m

$136

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 11/13

5:35 pm-12:10 am

1 stop7h 35m

Lambert-St Louis

Tue 11/17

10:55 am-3:25 pm

1 stop3h 30m

$279

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Tue 11/3

6:00 am-9:17 am

1 stop4h 17m

Lambert-St Louis

Tue 11/10

6:40 am-1:36 pm

1 stop5h 56m

$279
Quickest round-trip

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Tue 11/10

2:16 pm-5:14 pm

1 stop3h 58m

Lambert-St Louis

Thu 11/19

12:29 pm-5:34 pm

1 stop4h 05m

$279

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Mon 11/2

9:20 pm-11:59 pm

1 stop3h 39m

Lambert-St Louis

Thu 11/5

6:00 am-12:22 pm

1 stop5h 22m

$279

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 11/13

6:40 pm-12:35 am

2 stops6h 55m

Lambert-St Louis

Tue 11/17

7:35 am-1:50 pm

1 stop5h 15m

$284

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 1/8

8:15 pm-12:04 am

1 stop4h 49m

Lambert-St Louis

Sun 1/10

5:05 am-12:34 pm

1 stop6h 29m

$308

CincinnatiSt. Louis

CVG Cincinnati Cinci./N. Kentucky - STL Lambert-St Louis

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 11/25

11:10 am-4:59 pm

1 stop6h 49m

Lambert-St Louis

Sun 11/29

6:50 pm-11:42 pm

1 stop3h 52m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Cincinnati to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, January is the cheapest month to fly from Cincinnati to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. The month of December is another great option to travel to St. Louis, with average flight prices from Cincinnati averaging around $326.

How have Cincinnati to St. Louis flight prices changed over time?

When to book flights from Cincinnati to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Cincinnati to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cincinnati to St. Louis (CVG to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cincinnati to St. Louis

Best Price Found

$62

Fastest flight time

4h 07m

Direct flights

None
The best one-way flight to St. Louis from Cincinnati in the past 72 hours is $62. The best round-trip flight deal from Cincinnati to St. Louis found on momondo in the last 72 hours is $113.
The fastest flight from Cincinnati to St. Louis takes 4h 07m
There are no direct flights from Cincinnati to St. Louis. There are no popular flight routes from Cincinnati to St. Louis.
Search flight deals

Frequently asked questions about flying from Cincinnati to St. Louis

  • How far is Cincinnati Cinci./N. Kentucky to Lambert-St Louis by plane?

    A flight from Cincinnati Cinci./N. Kentucky to Lambert-St Louis will travel around 307.3 mi. Flights usually cover this in 4h 07m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport?

    Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cincinnati Cinci./N. Kentucky Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cincinnati to St. Louis?

Best airlines flying from Cincinnati to St. Louis

Compare and see reviews for airlines that fly from Cincinnati to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $249Free CancellationRating
7.4
10,362 reviews
Search United Airlines flights
American AirlinesPriceFrom $273Free CancellationRating
7.0
12,165 reviews
Search American Airlines flights
SouthwestPriceFrom $274Free CancellationRating
7.9
4,214 reviews
Search Southwest flights
DeltaPriceFrom $281Free CancellationRating
7.8
8,650 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Farmington
Hermann
Clayton
Festus
Fenton
O'Fallon
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Cincinnati to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cincinnati to St. Louis for you.

Can I find flights from Cincinnati to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Cincinnati on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cincinnati to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cincinnati to St. Louis.

I’m not ready to book a flight from Cincinnati to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Cincinnati to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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