Columbus to St Louis flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Columbus to St Louis is €43 (checked on 1 Nov 2026).
Your next trip, last seen at €43
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €43, departing 1 Dec 2026 (Last checked: 1 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 62Check live prices for this route
- Airlines seen
- Southwest Airlines, Allegiant Air, American Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines, United Airlines (7)
- Non-stop
- Yes
About this route
Explore the fares we observed from Columbus to St Louis. Prices move often, so pick your dates to see the latest options.
- Route distance
- 637 km
- Alternative airports
- LCK, SUS
Route-level information; individual journeys vary.
Published schedules report non-stop service with Southwest Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- John Glenn Columbus International Airport (CMH) → Columbus, city gazetteer reference point (39.9612, -82.9988): ≈ 10 km.
- Rickenbacker International Airport (LCK) → Columbus, city gazetteer reference point (39.9612, -82.9988): ≈ 17 km.
- St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Columbus to St Louis: December 2026, from €43 (checked 1 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | €43 | 31 |
| January 2027 | €128 | 31 |
Lowest fare by day of the week
Cheapest day of the week from Columbus to St Louis: Tuesday, from €43 (checked 1 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €141 | 8 |
| Tuesday | €43 | 9 |
| Wednesday | €148 | 9 |
| Thursday | €54 | 9 |
| Friday | €173 | 9 |
| Saturday | €180 | 9 |
| Sunday | €54 | 9 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Columbus to St Louis by days until departure (31 to 60 days): €54 (checked 1 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 31 to 60 days | €54 | 30 |
| 61 days or more | €128 | 30 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Columbus to St Louis: Frontier Airlines, from €45 (checked 23 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €45Dec 1, 2026 | 45 |
| Breeze Airways | €125Nov 18, 2026 | 15 |
| United Airlines | €169Dec 12, 2026 | 20 |
| Allegiant Air | €173Nov 25, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Columbus to St Louis?
The lowest fare Routavio has observed is €43, found on 1 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Columbus to St Louis?
Cheapest month from Columbus to St Louis: December 2026, from €43 (checked 1 Nov 2026).
Are there direct flights from Columbus to St Louis?
Yes. Published schedules report non-stop flights on this route with Southwest Airlines.
Which airlines fly from Columbus to St Louis?
Routavio has seen these carriers on the route: Southwest Airlines, Allegiant Air, American Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines, United Airlines (7).
How long does the flight from Columbus to St Louis take?
Across the 5 fares Routavio observed, the average journey time is 24h 46m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
Which day of the week is cheapest from Columbus to St Louis?
Cheapest day of the week from Columbus to St Louis: Tuesday, from €43 (checked 1 Nov 2026).
Which airline has the lowest fare from Columbus to St Louis?
Cheapest airline from Columbus to St Louis: Frontier Airlines, from €45 (checked 23 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.