144 € Cheap Flights from St Louis to Port Columbus

Compare St Louis to Port Columbus flight deals

Find the cheapest month or even day of the year to fly to Port Columbus

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Flight deals from St Louis to Port Columbus

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Port Columbus Airport? If you want to travel next month, return fares start from 144 €. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from St Louis to Port Columbus

St Louis to Port Columbus: Alternative routes

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

St Louis to Columbus: Flight information

The things to know before you go.
Cheapest flight found144 €
Cheapest month to flyAugust
Average flight time1 hr, 21 mins
Most popular airlineSouthwest Airlines
Average flights per week16

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

The best price we found for a return flight from St Louis to Port Columbus is 144 €. 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 21 minutes is the average flight time from St Louis to Port Columbus.
Southwest Airlines flies direct from St Louis to Port Columbus.
As of July 2026, there are 16 flights per week flying from St Louis to Port Columbus.
The cheapest month to fly from St Louis to Port Columbus is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Port Columbus Airport on Saturday, 1 August 2026.
Yes – the average flight time is 1 hour and 21 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 Port Columbus 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 Columbus 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 Port Columbus.

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

  • Around 1 hour 20 minutes is how long you'll be travelling on a direct flight from St Louis Airport to Port Columbus Airport.

  • Columbus's timezone is UTC-5, which makes Columbus one hour ahead of St Louis.

  • Each week, there are eight St Louis Airport to Port Columbus Airport flights. To jet off as early as possible, pick the 07:30 Southwest Airlines flight. If you'd rather make the most of your time before flying, the latest flight is at 21:35 with Southwest Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your STL to CMH flight.

  • Travelling during a peak time such as July? Public holidays and other popular periods can mean longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • Southwest Airlines is your gateway to discovering Columbus (and maybe even some other great parts of the United States!). Browse the direct flights from St Louis Airport to Port Columbus Airport offered by this carrier.

  • Southwest Airlines is the airline with the highest passenger demand for this route.

  • With an impressive 80.27% of services landing on schedule, Southwest Airlines has the best on-time performance for STL to CMH flights.

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

    • Chicago O'Hare International Airport

    • Charlotte Douglas Airport

    • Detroit Wayne County Airport

How to find the cheapest flights from St Louis Airport (STL) to Port Columbus Airport (CMH)

  • 52 € is currently the lowest price for a one-way St Louis Airport to Port Columbus Airport flight. A return flight starts at 144 €. These fares may change depending on demand and availability.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from STL to CMH if you book early. Airlines often offer some great early bird rates.

  • The cheapest month for flights from St Louis Airport to Port Columbus Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from STL to CMH.

  • Find the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from St Louis Airport to Port Columbus Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about St Louis Airport (STL)

Arriving at Port Columbus Airport (CMH)

Getting from Port Columbus Airport (CMH) to central Columbus

  • The address for CMH is 4600 International Gateway.

  • From Port Columbus Airport, Columbus is approximately 16 kilometres away. It takes around 20 minutes to reach the centre by car.

  • When travelling by public transport, expect a journey of around 40 minutes.

When to fly to Port Columbus Airport (CMH)

  • July is the most popular month for flights from St Louis Airport to Port Columbus Airport. To avoid the crowds, travel to Columbus in March.

  • Lock in your flight from St Louis Airport to Port Columbus Airport for July if you want to go to Columbus during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 31ºC (88ºF).

  • If you like cooler conditions, search for a cheap ticket from STL to CMH in January. Temperatures average between -11ºC (12ºF) and 6ºC (43ºF) then.

Explore more of the United States

  • Columbus has plenty to offer, but there are so many other corners of the United States waiting to be discovered. Around 451 kilometres north-west of Columbus, a visit to Chicago will keep you on the move. Check out popular attractions like Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you're ready to explore another major destination in the United States, head for Indianapolis, about 274 kilometres west of Columbus. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are highlights.

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