£109 Cheap Flights from Columbus (CMH) to St. Louis (STL)

View £109 flight on Fri, 29 May 2026Opens in a new window

Flight 1

Popular airlines from Port Columbus International Airport (CMH) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from Columbus (CMH) to St. Louis (STL)

Prices were available within the past 7 days and start at £109 for one-way flights and £808 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£808 Return, found 5 days ago
£808
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £808 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£887 Return, found 5 days ago
£887
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £887 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£911 Return, found 5 days ago
£911
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £911 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£993 Return, found 5 days ago
£993
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £993 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£1,041 Return, found 5 days ago
£1,041
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £1,041 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£1,067 Return, found 5 days ago
£1,067
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £1,067 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£1,116 Return, found 5 days ago
£1,116
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £1,116 found 5 days ago
Alaska Airlines
Sun, 16 Aug - Sat, 29 Aug
CMH
Columbus
STL
St. Louis
£1,148 Return, found 5 days ago
£1,148
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to St. Louis, returning Sat, 29 Aug, priced at £1,148 found 5 days ago

Frequently asked questions

What is the cheapest month to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
August is typically the cheapest month to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with average return fares of approximately £368. This is about 21% lower than the average price throughout the year. August often sees lower prices as it's a shoulder season for travel, falling between peak summer and the busy autumn period, leading to reduced demand. Other cheap months to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) include April and September.
Which airlines fly direct from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter CMH to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Based on booking data from the past year, the cheapest months to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) are typically August and April, with average return flights costing around £368. These months can offer a good balance of lower fares, allowing you to save on your trip.
How many flights per day from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 2 nonstop flights per day from John Glenn Columbus Intl. (CMH) to Lambert-St. Louis Intl. (STL). For even more choice, look at flights that include layovers, as there are around 74 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in November. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll find the most flights from John Glenn Columbus Intl. (CMH) to Lambert-St. Louis Intl. (STL) on a Friday, with around 57 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include WN, AA, and UA. Flight options are notably more on Fridays compared to other days of the week.
What are the most popular departure times for flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time. Many major carriers, including American Airlines, Delta Air Lines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your day in St. Louis.
How long does it take to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Direct flights from CMH to STL usually take about 1 hour 30 minutes, traveling roughly 409 miles. If you opt for a connecting flight, expect to add around 4 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Select the "Business class" and "First class" filters when looking for CMH to STL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from John Glenn Columbus Intl. (CMH)?
If you're planning to travel to St. Louis from John Glenn Columbus Intl. (CMH), you can fly directly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Baltimore Washington Intl. Thurgood Marshall (BWI), Love Field (DAL) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Columbus, OH (CMH-John Glenn Columbus Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
John Glenn Columbus Intl.
Destination airport
Lambert-St. Louis Intl.
Return price
£808
Distance
654 km

Book with confidence

Compare flights from Columbus to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Columbus to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from John Glenn Columbus Intl. to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from John Glenn Columbus Intl. (CMH) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Columbus to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from John Glenn Columbus Intl. to Lambert-St. Louis Intl. start at just £808 and range up to £1,148.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Columbus and St. Louis
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Columbus to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from John Glenn Columbus Intl. to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Columbus to St. Louis easily and book with confidence

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