Cheap Flights from Port Columbus to St Louis

Compare Port Columbus to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Port Columbus to St Louis

Looking for a cheap last-minute deal or the best return flight from Port Columbus Airport to St Louis Airport? If you want to travel next month, return fares start from Rs33,429. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Port Columbus to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Port Columbus to St Louis flights are currently cheapest in August.

Direct flights from Port Columbus to St Louis

Port Columbus to St Louis: Alternative routes

Compare routes from Port Columbus to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Columbus to St Louis: Flight information

The things to know before you go.
Cheapest flight foundRs16,114
Cheapest month to flyAugust
Average flight time1 hr, 32 mins
Most popular airlineSouthwest Airlines
Average flights per week17

Finding cheap flights from Port Columbus to St Louis: Frequently asked questions

The best price we found for a return flight from Port Columbus to St Louis is Rs31,376. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 32 minutes is the average flight time from Port Columbus to St Louis.
Southwest Airlines flies direct from Port Columbus to St Louis.
As of July 2026, there are 17 flights per week flying from Port Columbus to St Louis.
The cheapest month to fly from Port Columbus to St Louis is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Port Columbus Airport to St Louis Airport on Thursday, 22 October 2026.
Yes – the average flight time is 1 hour and 32 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to St Louis.

Flying from Port Columbus Airport (CMH) to St Louis Airport (STL): what you need to know

  • Book a direct flight from Port Columbus Airport to St Louis Airport and you'll be in the air for an average of 1 hour 25 minutes.

  • St Louis's timezone is UTC-6, making St Louis one hour behind Columbus.

  • Every week, there are eight Port Columbus Airport to St Louis Airport flights. If you want to get going early, go for the 06:25 Southwest Airlines flight. If you're eager to make the most of your day before flying, the last flight is at 21:40 with Southwest Airlines.

  • Arrive at the airport on time so you don't miss your CMH to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • You can expect bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Southwest Airlines offers direct flights from Port Columbus Airport to St Louis Airport. Book with this popular carrier, then get ready to see the sights in St Louis — and maybe even more of the United States if time allows.

  • Southwest Airlines is the top choice for travellers on this route.

  • Southwest Airlines is the most punctual carrier that operates CMH to STL flights. An impressive 81.17% of its departures on this route land on time.

  • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Port Columbus Airport to St Louis Airport. These are the most popular stopovers between CMH and STL:

    • Chicago O'Hare International Airport

    • Detroit Wayne County Airport

    • Nashville Airport

Handy information about Port Columbus Airport (CMH)

  • CMH is located at 4600 International Gateway.

  • 77% of flights that leave from Port Columbus Airport arrive at their destination on time.

  • Port Columbus Airport is around 16 kilometres from central Columbus. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of about 40 minutes on public transport.

  • Booked an early flight from Port Columbus Airport to St Louis Airport? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to CMH:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • You'll find STL at 10701 Lambert International Blvd..

  • From St Louis Airport, St Louis is approximately 24 kilometres away. It takes around 25 minutes to drive to the centre.

  • Travelling by public transport typically takes 30 minutes.

When to fly to St Louis Airport (STL)

  • The quietest month for a flight from Port Columbus Airport to St Louis Airport is March, while July is the busiest. Choose the best time to go to St Louis based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from Port Columbus Airport to St Louis Airport for July if you'd like to visit St Louis during its warmest month. Expect temperatures of between 17ºC and 33ºC.

  • Look for cheap tickets from CMH to STL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -7ºC and 8ºC on average.

Explore more of the United States

  • St Louis has plenty to offer, but there are so many other parts of the United States just waiting to be explored. Around 418 kilometres north-east of St Louis, a visit to Chicago will keep you on the move. Start with leading sights like Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you're interested in discovering another corner of the United States, consider Indianapolis, about 370 kilometres east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.