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St. Louis

$79+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — STL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 85 days in advance, depart on a Wednesday or Saturday and return on a Monday

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 junio 12, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$79
(Southwest)

Popular in

February

Cheapest in

May

Average price

$319

Good round-trip deal

$314 or less

Good one-way deal

$175 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. 13% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Southwest deal was found by Cheapflights users on 6/10. 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.
lun. 9/298:45 amCMH - STL
Nonstop1h 25mSouthwest
jue. 10/27:45 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/296:14 amCMH - STL
1 stop4h 02mAmerican Airlines
jue. 10/25:55 amSTL - CMH
1 stop3h 31mAmerican Airlines
Deal found 6/10$177
This Delta deal was found by Cheapflights users on 6/12. 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.
lun. 10/67:55 pmCMH - STL
1 stop4h 44mDelta
jue. 10/97:20 amSTL - CMH
1 stop4h 40mDelta
Deal found 6/12$183
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/216:10 amCMH - STL
1 stop4h 52mUnited Airlines
dom. 8/245:30 pmSTL - CMH
1 stop3h 39mUnited Airlines
Deal found 6/11$209
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/268:53 pmCMH - STL
1 stop14h 40mSpirit Airlines
lun. 6/307:13 pmSTL - CMH
2 stops25h 54mSpirit Airlines
Deal found 6/11$226
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/175:05 amCMH - STL
1 stop12h 26mMultiple Airlines
dom. 7/202:36 pmSTL - CMH
1 stop20h 06mMultiple Airlines
Deal found 6/10$251
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/412:31 pmCMH - STL
1 stop22h 44mFrontier
dom. 7/62:36 pmSTL - CMH
1 stop20h 06mFrontier
Deal found 6/11$286
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/36:05 pmCMH - STL
1 stop18h 25mSun Country Air
dom. 7/66:36 amSTL - CMH
1 stop11h 05mSun Country Air
Deal found 6/10$318
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/236:28 pmCMH - STL
1 stop25h 07mAlaska Airlines
mié. 6/253:24 pmSTL - CMH
1 stop12h 47mAlaska Airlines
Deal found 6/11$946

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 junio 12, 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

jue. 8/21

6:10 am-10:02 am

1 stop4h 52m

Lambert-St Louis

dom. 8/24

5:30 pm-10:09 pm

1 stop3h 39m

$209

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 6/26

8:53 pm-10:33 am

1 stop14h 40m

Lambert-St Louis

lun. 6/30

7:13 pm-10:07 pm

2 stops25h 54m

$226

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 8/21

8:45 am-9:10 am

Nonstop1h 25m

Lambert-St Louis

dom. 8/24

3:00 pm-10:30 pm

1 stop6h 30m

$233

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

vie. 8/15

11:49 am-4:06 pm

1 stop5h 17m

Lambert-St Louis

dom. 8/17

6:40 am-1:29 pm

1 stop5h 49m

$241

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 7/17

5:05 am-4:31 pm

1 stop12h 26m

Lambert-St Louis

dom. 7/20

2:36 pm-11:42 am

1 stop20h 06m

$251

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 7/3

4:41 pm-8:30 pm

1 stop4h 49m

Lambert-St Louis

mar. 7/8

4:45 pm-9:59 pm

1 stop4h 14m

$285

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

vie. 7/4

12:31 pm-10:15 am

1 stop22h 44m

Lambert-St Louis

dom. 7/6

2:36 pm-11:42 am

1 stop20h 06m

$286

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 7/3

6:05 pm-11:30 am

1 stop18h 25m

Lambert-St Louis

dom. 7/6

6:36 am-6:41 pm

1 stop11h 05m

$318

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

lun. 6/23

6:28 pm-6:35 pm

1 stop25h 07m

Lambert-St Louis

mié. 6/25

3:24 pm-5:11 am

1 stop12h 47m

$946

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

mié. 9/10

7:25 pm-7:50 pm

Nonstop1h 25m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 June 9, 2025.

Booking 85 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 junio 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Columbus Airport to St. Louis by exploring options for tickets at noon.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Columbus to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    According to our current data, United Airlines ($209), Spirit Airlines ($226), and Southwest ($233) offers the cheapest pricing from Columbus Airport to St. Louis. You may be able to fly from Columbus Airport to St. Louis for 41% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Columbus Airport to St. Louis one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $79. American Airlines flights start at $88 while deals on Spirit Airlines start at $96 one-way.

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

    Looking at all options, your cheapest flight can be booked for $146. While the most popular route (Columbus - Lambert-St Louis) can be booked for $157 on average our data indicates $306 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 Columbus Airport?

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

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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 4 airlines flying from Columbus to St. Louis

Discover the top 4 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$186Average$292FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$355FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$303FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$347FlexibilityNo cancel feeOn-time63%

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