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St. Louis

$81+ Cheap flights from Columbus (CMH) to St. Louis (STL)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Lambert-St Louis are usually found in May or April, booked 38 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Columbus to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Columbus (CMH) 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 September 11, 2025.

Round-trip from

$169
(American Airlines)

One-way from

$81
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$399

Good round-trip deal

$299 or less

Good one-way deal

$215 or less
From Columbus to Lambert-St Louis
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One-way flight from Columbus to Lambert-St Louis
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Highest demand for flights based on searches. 15% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Columbus to Lambert-St Louis.
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Price to beat on a one-way flight from Columbus to Lambert-St Louis.
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Find flight deals from Columbus to St. Louis

Cheapest flights from Columbus to St. Louis
Explore the most affordable flight options available from Columbus to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:06 pmCMH - STL
1 stop6h 26mAmerican Airlines
Sat 10/42:11 pmSTL - CMH
1 stop6h 00mAmerican Airlines
Deal found 9/10$169
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:55 amCMH - STL
Nonstop1h 30mSouthwest
Wed 10/158:15 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 9/10$180
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:25 pmCMH - STL
Nonstop1h 30mSouthwest
Tue 10/146:45 pmSTL - CMH
Nonstop1h 20mSouthwest
Deal found 9/9$186
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amCMH - STL
1 stop4h 16mAmerican Airlines
Sat 10/42:11 pmSTL - CMH
1 stop6h 00mAmerican Airlines
Deal found 9/10$197
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:25 pmCMH - STL
Nonstop1h 25mSouthwest
Sat 10/41:00 pmSTL - CMH
Nonstop1h 20mSouthwest
Deal found 9/9$207
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:58 pmCMH - STL
1 stop4h 43mDelta
Mon 12/159:30 amSTL - CMH
1 stop7h 02mDelta
Deal found 9/9$214
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:04 pmCMH - STL
1 stop15h 03mMultiple Airlines
Sun 10/2610:57 amSTL - CMH
1 stop24h 01mMultiple Airlines
Deal found 9/10$217
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:18 pmCMH - STL
1 stop4h 37mDelta
Thu 10/166:40 amSTL - CMH
1 stop3h 36mDelta
Deal found 9/9$219

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Columbus Airport to St. Louis that are best for you.

Fly from

Columbus

Fly to

St. Louis

Route

Depart

Return

Price

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 9/30

1:06 pm-6:32 pm

1 stop6h 26m

Lambert-St Louis

Sat 10/4

2:11 pm-9:11 pm

1 stop6h 00m

$169

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 10/14

8:55 am-9:25 am

Nonstop1h 30m

Lambert-St Louis

Wed 10/15

8:15 am-10:35 am

Nonstop1h 20m

$180

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 10/3

6:00 am-9:16 am

1 stop4h 16m

Lambert-St Louis

Sat 10/4

2:11 pm-9:11 pm

1 stop6h 00m

$197

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 10/7

3:45 pm-10:00 pm

2 stops7h 15m

Lambert-St Louis

Tue 10/14

4:25 pm-9:05 pm

1 stop3h 40m

$200

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 12/12

7:58 pm-11:41 pm

1 stop4h 43m

Lambert-St Louis

Mon 12/15

9:30 am-5:32 pm

1 stop7h 02m

$214

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 10/9

12:18 pm-3:55 pm

1 stop4h 37m

Lambert-St Louis

Thu 10/16

6:40 am-11:16 am

1 stop3h 36m

$219

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 11/13

7:00 am-10:49 am

1 stop4h 49m

Lambert-St Louis

Sun 11/16

6:40 am-1:27 pm

1 stop5h 47m

$225

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 9/25

11:21 am-1:02 pm

1 stop26h 41m

Lambert-St Louis

Mon 9/29

4:00 pm-11:41 am

2 stops18h 41m

$226

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 10/24

7:04 pm-9:07 am

1 stop15h 03m

Lambert-St Louis

Sun 10/26

7:52 pm-6:09 pm

1 stop21h 17m

$231

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Fri 10/31

10:27 am-1:22 pm

1 stop3h 55m

Lambert-St Louis

Sun 11/2

5:40 am-10:16 am

1 stop3h 36m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 results
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Best time to book a flight from Columbus to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Columbus with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Columbus Airport to St. Louis

How far ahead should I book a flight from Columbus Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Columbus to St. Louis. Price data was last updated on August 29, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Columbus Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Columbus Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Columbus Airport to St. Louis (average of $311). Flying from Columbus Airport to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from CMH to STL?

Find hourly flight availability from Columbus to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Columbus Airport to St. Louis by exploring options for tickets at noon.

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 September 11, 2025.
Read through reviews of airlines operating flights from Columbus Airport to St. Louis, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • What airport do you fly into for flights to St. Louis from Columbus?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Columbus. On average, Lambert-St Louis has 1 inbound flight from Columbus per day from 3 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from Columbus Airport to St. Louis?

    For as low as $180, American Airlines can have you in St. Louis from Columbus Airport in 1h 30m. Columbus Airport and St. Louis are separated by a distance of 409 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($176), American Airlines ($188), and Southwest ($226) offers the cheapest pricing from Columbus Airport to St. Louis. You may be able to fly from Columbus Airport to St. Louis for 49% less than the average price by searching for these airlines.

  • What are the cheapest flights from Columbus Airport to St. Louis?

    Looking at all options, your cheapest flight can be booked for $173. While the most popular route (Columbus - Lambert-St Louis) can be booked for $169 on average, our data indicates $351 when flying from Columbus Airport to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbus 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.

  • What is the cheapest month to book a flight from Columbus Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Columbus Airport to St. Louis (average of $311). Flying from Columbus Airport to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Columbus to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Columbus to Kansas City flights
Columbus to Springfield flights

Top 3 airlines flying from Columbus to St. Louis

Discover the top 3 airlines that operate flights from Columbus 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$265FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$226Average$354FlexibilityNo cancel feeOn-time63%

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