Chicago to St. Louis flights
St. Louis lies 419 km (260 mi) south-west of Chicago, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 17 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
| Chicago | St. Louis | |
|---|---|---|
| Country | United States | United States |
| Population | 2.7 million | 279,695 |
| Elevation | 180 m (591 ft) | 149 m (489 ft) |
| Time now | UTC-5 (America/Chicago) | UTC-5 (America/Chicago) |
| Nearest large airport | MDW, 11 km out | STL, 20 km out |
Airports at each end
Leaving Chicago
Chicago is served by 4 airports with scheduled flights within 100 km. The closest large one is Chicago Midway International Airport (MDW), 11 km (7 mi) from the centre, with a longest runway of 6,522 ft, which limits it to short and medium-haul aircraft. The alternatives are Chicago O'Hare International Airport (ORD, 25 km), Gary/Chicago International Airport (GYY, 33 km), Michigan City Municipal Airport (MGC, 71 km).
Arriving in St. Louis
St. Louis is served by 2 airports with scheduled flights within 100 km. The closest large one is St. Louis Lambert International Airport (STL), 20 km (12 mi) from the centre, whose 11,020-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Scott AFB/Midamerica Airport (BLV, 33 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| St. Louis Lambert International Airport | STL | 20 km (12 mi) | 11,020 ft | 618 ft |
| Scott AFB/Midamerica Airport (regional) | BLV | 33 km (21 mi) | 10,000 ft | 459 ft |
Book a flight to St. Louis
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Staying in St. Louis
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Common questions
How far is St. Louis from Chicago?
419 km (260 mi) in a straight line, south-west of Chicago.
How long does it take to get from Chicago to St. Louis by air?
About 1 h 17 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Chicago and St. Louis?
No, both are on America/Chicago at the moment.
Which airports are used for Chicago to St. Louis flights?
Typically Chicago Midway International Airport (MDW) to St. Louis Lambert International Airport (STL); St. Louis also has BLV.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.