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St. Louis

Cheap flights from Columbus to St. Louis (STL)

CMH — STL
Oct 29 — Nov 51
Thu 10/29
Thu 11/5
1 adult, Economy
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Popular in

June

Cheapest in

January

Average price

$334
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Columbus to St. Louis (average of $280). Flying from Columbus to St. Louis in June is currently the most expensive (average of $541). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Columbus to St. Louis by exploring options for tickets at noon.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Southwest and American Airlines from Columbus to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,201 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,201 reviews
Southwest
8.0
Very good
4,201 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,097 reviews
Southwest
8.0
Very good
4,201 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

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

    For a flight from Columbus to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Columbus per day. 3 airlines have flights to Lambert-St Louis from Columbus on a regular basis.

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

    According to our current data, Southwest ($269), and American Airlines ($289) offers the cheapest pricing from Columbus to St. Louis. You may be able to fly from Columbus to St. Louis for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Columbus 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 $117. United Airlines flights start at $147 while deals on American Airlines start at $162 one-way.

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

    Looking for the cheapest flight from Columbus to St. Louis? While on average our users pay $382, our data indicates the cheapest price to be $160. The most popular route (Columbus - Lambert-St Louis), is priced around $173.

  • 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 to St. Louis?

    Currently, January is the cheapest month in which you can book a flight from Columbus to St. Louis (average of $280). Flying from Columbus to St. Louis in June is currently the most expensive (average of $541). 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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Chesterfield
Maryland Heights
Collinsville
Edwardsville
Glencoe

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Top 3 airlines flying from Columbus to St. Louis

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$239Average$366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$372FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$269Average$397FlexibilityNo cancel feeOn-time63%

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