Cheap flights from Ohio to St. Louis from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ohio to St. Louis departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Frontier Logo
5:10 am - 1:17 pmCVG-STL
9h 07m1 stop
Frontier Logo
2:12 pm - 12:11 amSTL-CVG
8h 59m1 stop
$143Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
5:30 am - 3:04 pmCLE-STL
10h 34m1 stop
Frontier Logo
4:00 pm - 12:43 amSTL-CLE
7h 43m1 stop
$153Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 6
United Airlines Logo
6:02 am - 10:49 amCMH-STL
5h 47m1 stop
United Airlines Logo
5:00 am - 9:58 amSTL-CMH
3h 58m1 stop
$155United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
4:00 pm - 8:33 pmCLE-STL
5h 33m1 stop
Delta Logo
6:09 pm - 11:57 pmSTL-CLE
4h 48m1 stop
$177Delta
Find Deal
Sat, Nov 8 - Mon, Nov 10
Delta Logo
3:50 pm - 8:39 pmCMH-STL
5h 49m1 stop
Delta Logo
7:05 pm - 11:57 pmSTL-CMH
3h 52m1 stop
$177Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
Multiple Airlines Logo
7:56 pm - 6:10 pmCLE-STL
23h 14m1 stop
Multiple Airlines Logo
11:11 am - 11:04 amSTL-CLE
22h 53m1 stop
$180Multiple Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
Multiple Airlines Logo
9:05 pm - 10:37 amDTW-STL
14h 32m1 stop
Multiple Airlines Logo
7:52 pm - 5:50 pmSTL-DTW
20h 58m2 stops
$180Multiple Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
American Airlines Logo
7:00 am - 1:44 pmDTW-STL
7h 44m1 stop
American Airlines Logo
8:42 am - 5:34 pmSTL-DTW
7h 52m1 stop
$183American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
American Airlines Logo
6:09 am - 1:44 pmPIT-STL
8h 35m1 stop
American Airlines Logo
6:00 am - 3:33 pmSTL-PIT
8h 33m1 stop
$183American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
9:00 am - 12:21 pmDAY-STL
4h 21m1 stop
United Airlines Logo
6:45 pm - 11:43 pmSTL-DAY
3h 58m1 stop
$244United Airlines
Find Deal
Thu, Feb 12 - Sat, Feb 21

Delta flights from Ohio to St. Louis

Our best Delta deals on Ohio to St. Louis flight tickets
Delta
Nov 8
CLE4:00 pmCleveland Hopkins Intl
5h 33m
1 stop
STL8:33 pmLambert-St Louis
Nov 10
STL6:09 pmLambert-St Louis
4h 48m
1 stop
CLE11:57 pmCleveland Hopkins Intl
Delta
Oct 15
CVG6:00 amCincinnati Cinci./N. Kentucky
5h 26m
1 stop
STL10:26 amLambert-St Louis
Oct 22
STL9:10 amLambert-St Louis
6h 49m
1 stop
CVG4:59 pmCincinnati Cinci./N. Kentucky
Delta
Oct 2
DAY1:16 pmDayton
5h 31m
1 stop
STL5:47 pmLambert-St Louis
Oct 6
STL7:05 amLambert-St Louis
6h 27m
1 stop
DAY2:32 pmDayton

United Airlines flights from Ohio to St. Louis

Our best United Airlines deals on Ohio to St. Louis flight tickets
United Airlines
Oct 15
CMH6:02 amColumbus
5h 47m
1 stop
STL10:49 amLambert-St Louis
Oct 22
STL5:00 amLambert-St Louis
3h 58m
1 stop
CMH9:58 amColumbus
United Airlines
Feb 12
DAY9:00 amDayton
4h 21m
1 stop
STL12:21 pmLambert-St Louis
Feb 21
STL6:45 pmLambert-St Louis
3h 58m
1 stop
DAY11:43 pmDayton
United Airlines
Feb 24
CLE5:25 pmCleveland Hopkins Intl
7h 33m
1 stop
STL11:58 pmLambert-St Louis
Feb 26
STL7:41 amLambert-St Louis
4h 31m
1 stop
CLE1:12 pmCleveland Hopkins Intl

momondo 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, momondo users made 832,500 searches. Data last updated September 18, 2025.
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

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Thu 11/13

5:10 am-1:17 pm

1 stop9h 07m

Lambert-St Louis

Mon 11/17

2:12 pm-12:11 am

1 stop8h 59m

$143

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Thu 10/2

5:30 am-3:04 pm

1 stop10h 34m

Lambert-St Louis

Mon 10/6

4:00 pm-12:43 am

1 stop7h 43m

$153

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 10/15

6:02 am-10:49 am

1 stop5h 47m

Lambert-St Louis

Wed 10/22

5:00 am-9:58 am

1 stop3h 58m

$155

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Sat 11/8

4:00 pm-8:33 pm

1 stop5h 33m

Lambert-St Louis

Mon 11/10

6:09 pm-11:57 pm

1 stop4h 48m

$177

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 3/10

3:50 pm-8:39 pm

1 stop5h 49m

Lambert-St Louis

Wed 3/11

7:05 pm-11:57 pm

1 stop3h 52m

$177

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Fri 10/17

7:56 pm-6:10 pm

1 stop23h 14m

Lambert-St Louis

Fri 10/24

11:11 am-11:04 am

1 stop22h 53m

$180

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 10/15

9:05 pm-10:37 am

1 stop14h 32m

Lambert-St Louis

Mon 10/20

7:52 pm-5:50 pm

2 stops20h 58m

$180

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 10/15

7:00 am-1:44 pm

1 stop7h 44m

Lambert-St Louis

Sat 10/18

8:42 am-5:34 pm

1 stop7h 52m

$183

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Tue 10/28

6:09 am-1:44 pm

1 stop8h 35m

Lambert-St Louis

Tue 11/4

6:00 am-3:33 pm

1 stop8h 33m

$183

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 2/12

9:00 am-12:21 pm

1 stop4h 21m

Lambert-St Louis

Sat 2/21

6:45 pm-11:43 pm

1 stop3h 58m

$244

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 Ohio 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, August is the cheapest month to fly from Ohio to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. The month of April is another great option to travel to St. Louis, with average flight prices from Ohio averaging around $255.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $352. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $467. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Ohio in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $359 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $385 per ticket.

What is the cheapest Ohio to Lambert-St Louis flight route?

Fly from Cleveland Hopkins Intl to Lambert-St Louis for the best Ohio - Lambert-St Louis flight prices

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

You are more likely to see cheaper flights to St. Louis from Ohio when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Ohio for as low as $223 on momondo.

What cabin class options are available on Ohio to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on Ohio to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ohio to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Ohio to St. Louis.

Cheap Ohio to St. Louis flight deals and tips

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

Best Price Found

$177

Fastest flight time

1h 25m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Ohio in the past 72 hours is $177. The best round-trip flight deal from Ohio to St. Louis found on momondo in the last 72 hours is $289.
The fastest flight from Ohio to St. Louis takes 1h 25m
Direct flights go from Ohio to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • When did momondo last update prices for flights from Ohio to Lambert-St Louis Airport?

    Prices for flights from Ohio to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Ohio to Lambert-St Louis Airport?

  • How old do you have to be to fly from Ohio to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ohio to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ohio to St. Louis?

Best airlines flying from Ohio to St. Louis

Compare and see reviews for airlines that fly from Ohio to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $112Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
DeltaPriceFrom $176Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $211Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ohio to St. Louis. momondo saves you time and could save you money on your trip.

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

All flight searches from Ohio to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Ohio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to St. Louis from Ohio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 10/18
Sat 10/25

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