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Cheap flights from Ohio to St. Louis from $47

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 12/22. 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

Enter your travel dates to find the best prices.
Frontier Logo
4:48 pm - 10:33 pmCLE-STL
6h 45m1 stop
Frontier Logo
12:04 pm - 11:08 pmSTL-CLE
10h 04m1 stop
$110Frontier
Find Deal
Wed, Dec 3 - Thu, Dec 11
Frontier Logo
11:57 am - 10:33 pmCVG-STL
11h 36m1 stop
Frontier Logo
9:54 am - 7:45 pmSTL-CVG
8h 51m1 stop
$110Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 8
Multiple Airlines Logo
5:50 am - 11:07 amDTW-STL
6h 17m1 stop
Multiple Airlines Logo
12:04 pm - 7:52 pmSTL-DTW
6h 48m1 stop
$152Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
American Airlines Logo
6:00 am - 11:36 amPIT-STL
6h 36m1 stop
American Airlines Logo
11:05 am - 3:52 pmSTL-PIT
3h 47m1 stop
$169American Airlines
Find Deal
Sat, Jan 24 - Tue, Jan 27
Multiple Airlines Logo
6:59 pm - 11:07 amDTW-STL
17h 08m1 stop
Multiple Airlines Logo
7:43 pm - 4:19 pmSTL-DTW
19h 36m1 stop
$173Multiple Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
American Airlines Logo
6:00 am - 9:40 amCLE-STL
4h 40m1 stop
American Airlines Logo
3:54 pm - 11:40 pmSTL-CLE
6h 46m1 stop
$179American Airlines
Find Deal
Tue, Jan 6 - Thu, Jan 8
Delta Logo
5:53 pm - 11:25 pmCLE-STL
6h 32m1 stop
Delta Logo
6:10 am - 11:53 amSTL-CLE
4h 43m1 stop
$197Delta
Find Deal
Wed, Feb 25 - Wed, Mar 4
Southwest Logo
8:40 pm - 9:25 pmCLE-STL
1h 45mnonstop
Southwest Logo
8:15 am - 10:45 amSTL-CLE
1h 30mnonstop
$206Southwest
Find Deal
Mon, Jan 5 - Wed, Jan 7
Delta Logo
6:00 am - 11:04 amCLE-STL
6h 04m1 stop
Delta Logo
6:48 pm - 12:32 amSTL-CLE
4h 44m1 stop
$210Delta
Find Deal
Tue, Feb 24 - Thu, Feb 26
Southwest Logo
6:15 pm - 7:00 pmCLE-STL
1h 45mnonstop
Southwest Logo
8:25 am - 10:55 amSTL-CLE
1h 30mnonstop
$215Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8

Southwest flights from Ohio to St. Louis

Our best Southwest deals on Ohio to St. Louis flight tickets
Southwest
Jan 5
CLE8:40 pmCleveland Hopkins Intl
1h 45m
STL9:25 pmLambert-St Louis
Jan 7
STL8:15 amLambert-St Louis
1h 30m
CLE10:45 amCleveland Hopkins Intl
$206
Find similar
Southwest
Dec 4
CLE6:15 pmCleveland Hopkins Intl
1h 45m
STL7:00 pmLambert-St Louis
Dec 8
STL8:25 amLambert-St Louis
1h 30m
CLE10:55 amCleveland Hopkins Intl
$215
Find similar
Southwest
Jan 5
CLE6:00 amCleveland Hopkins Intl
4h 10m
1 stop
STL9:10 amLambert-St Louis
Jan 7
STL5:55 pmLambert-St Louis
1h 30m
CLE8:25 pmCleveland Hopkins Intl
$216
Find similar

Frontier flights from Ohio to St. Louis

Our best Frontier deals on Ohio to St. Louis flight tickets
Frontier
Dec 6
CVG11:57 amCincinnati Cinci./N. Kentucky
11h 36m
1 stop
STL10:33 pmLambert-St Louis
Dec 8
STL9:54 amLambert-St Louis
8h 51m
1 stop
CVG7:45 pmCincinnati Cinci./N. Kentucky
$110
Find similar
Frontier
Dec 4
CLE8:20 pmCleveland Hopkins Intl
14h 54m
1 stop
STL10:14 amLambert-St Louis
Dec 8
STL7:43 pmLambert-St Louis
14h 24m
1 stop
CLE11:07 amCleveland Hopkins Intl
$111
Find similar
Frontier
Nov 18
CLE1:46 pmCleveland Hopkins Intl
21h 19m
1 stop
STL10:05 amLambert-St Louis
Nov 20
STL3:14 pmLambert-St Louis
8h 40m
1 stop
CLE12:54 amCleveland Hopkins Intl
$119
Find similar

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 November 5, 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

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Wed 12/3

4:48 pm-10:33 pm

1 stop6h 45m

Lambert-St Louis

Thu 12/11

12:04 pm-11:08 pm

1 stop10h 04m

$110

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Sat 12/6

11:57 am-10:33 pm

1 stop11h 36m

Lambert-St Louis

Mon 12/8

9:54 am-7:45 pm

1 stop8h 51m

$110

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 12/4

5:50 am-11:07 am

1 stop6h 17m

Lambert-St Louis

Thu 12/11

12:04 pm-7:52 pm

1 stop6h 48m

$152

PittsburghSt. Louis

PIT - STL

PITSTL

Pittsburgh

Sat 1/24

6:00 am-11:36 am

1 stop6h 36m

Lambert-St Louis

Tue 1/27

11:05 am-3:52 pm

1 stop3h 47m

$169

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 12/3

6:59 pm-11:07 am

1 stop17h 08m

Lambert-St Louis

Sat 12/6

7:43 pm-4:19 pm

1 stop19h 36m

$173

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Tue 1/6

6:00 am-9:40 am

1 stop4h 40m

Lambert-St Louis

Thu 1/8

3:54 pm-11:40 pm

1 stop6h 46m

$179

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Wed 2/25

5:53 pm-11:25 pm

1 stop6h 32m

Lambert-St Louis

Wed 3/4

6:10 am-11:53 am

1 stop4h 43m

$197

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Mon 1/5

8:40 pm-9:25 pm

Nonstop1h 45m

Lambert-St Louis

Wed 1/7

8:15 am-10:45 am

Nonstop1h 30m

$206

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Tue 2/24

6:00 am-11:04 am

1 stop6h 04m

Lambert-St Louis

Thu 2/26

6:48 pm-12:32 am

1 stop4h 44m

$210

ClevelandSt. Louis

CLE - STL

CLESTL

Cleveland Hopkins Intl

Thu 12/4

6:15 pm-7:00 pm

Nonstop1h 45m

Lambert-St Louis

Mon 12/8

8:25 am-10:55 am

Nonstop1h 30m

$215

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 Tuesday when prices can be found for as low as $357. 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 $466. 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 $346 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 $396 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 $291 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?

You could potentially save up to 31% on your flight if you consider stops on a Ohio to St. Louis flight.

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

$126

Fastest flight time

1h 30m

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 $126. The best round-trip flight deal from Ohio to St. Louis found on momondo in the last 72 hours is $315.
The fastest flight from Ohio to St. Louis takes 1h 30m
Direct flights go from Ohio to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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 $85Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $121Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $206Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
9,002 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
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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