● Deals from
● Sweeping every destination…
$111usually $121−8%20 Oct 2026 · direct · score 59/100 · Solid
Live check · This route is not on today’s below-usual board, so we re-scanned it just now: the current cheapest upcoming fare sits about 8% below its usual level.
Why so cheap?
This fare is below usual but under our auto-research threshold — ask and we’ll find the reason now, with sources.
Fares by departure date
Today’s fare is cheaper than 93% of the 15 fares tracked for this route.
Questions people ask about this route
- What is the lowest price for a flight from Chicago to St Louis right now?
- The lowest price our scan found today (2026-10-12) is $111 one-way fare, departing 20 Oct 2026, direct. Fares move constantly — the link below re-checks live availability on Aviasales.
- Is $111 a good price for a Chicago to St Louis flight (ORD→STL)?
- Yes by the data: this route usually costs about $121 (midpoint of Google Flights' typical price range), so $111 is 8% below usual and cheaper than 93% of the 15 fares tracked for this route. FareFloor's deal score for it is 59/100 as of 2026-10-12.
- When is the cheapest time to fly from Chicago to St Louis in the coming months?
- Across the departure windows our 2026-10-12 scan compared, the lowest-priced departure found is 20 Oct 2026 at $111 one-way fare. Method: we sweep this origin's destinations several times a day via Google Flights data and keep the cheapest round-trip window per route — a cheaper window can appear any day, so treat this as today's answer, not a permanent one.
- Is there a direct flight from Chicago to St Louis at this price?
- Yes — the $111 fare found today is a direct flight.