St Louis to Chicago (SUS–ORD) — Airlines, Schedules & Connections

SUS Airport Page →
271 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
St Louis to Chicago
Connecting service available through multiple hubs.
1 Flights/wk 271 mi 1h 49m nonstop -1h behind 45 1-stop hubs

While no nonstop service exists between SUS and ORD, connecting options are available through 45 hubs.

Also explore SUS Routes ORD Routes SUS Live Flights ORD Live Flights ORD Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SUS to ORD.
1-STOP
One-Stop Connections
45
Hubs
~3h
Fastest
~11h
Longest
STL ~3h 21m COU ~3h 33m IND ~3h 43m MCI ~4h 9m BNA ~4h 17m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
192
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SUS → ORD
82%
Generally reliable. Most flights run on time.
Arriving
82%
Return
ORD → SUS
45%
Frequent delays expected. Consider flexible booking.
Departing
45%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ORD delays →
Alternatives

Other ways to reach Chicago from St Louis

Nearby airports with service to Chicago O'Hare International Airport.
Metric SUS→ORD STL→ORD COU→ORD
Distance from SUS – 16 mi 85 mi
Nonstop airlines 0 15 3
Weekly flights 1 430 62
Flight time 1h 49m 1h 15m 1h 28m
St Louis (STL) to Chicago flights · Columbia (COU) to Chicago flights · Quincy (UIN) to Chicago flights
Airports within 200 miles of SUS with service to Chicago O'Hare International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Chicago is 1 hour behind St Louis.
SUS: EDT · ORD: CDT

When it's 6:00 PM in St Louis, it's 5:00 PM in Chicago.
Distance & Flight Time
271 mi / 436 km
Nonstop flight time is approximately 1h 49m.
Getting from ORD

CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.

Chicago Climate

Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.

Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.

Check current weather forecasts before travel.
Facts

SUS–ORD Quick Facts

Key statistics for the St Louis to Chicago route.
Route details
Distance271 mi / 436 km
Flight time1h 49m
Time difference-1 hour
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections45 hubs
Origin: SUS
Full nameSpirit of St Louis Airport
IATA / ICAOSUS / KSUS
TimezoneAmerica/Indiana/Vincennes
Elevation463 ft / 141 m
Destination: ORD
Full nameChicago O'Hare International Airport
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 m
FAQ

Frequently Asked Questions

Common questions about SUS to ORD flights.
Nonstop flights from Spirit of St Louis Airport to Chicago O'Hare International Airport take approximately 1h 49m. The route covers 271 miles.
There are approximately 1 nonstop flights per week from SUS to ORD. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through STL, COU, IND, MCI, BNA, MSP, MEM, CMH, OKC, SGF, PIT, OMA, DFW, BUF, IAH, LGA, COS, IAD, YOW, SAV, BOS, SUA, DAL, MCO, RSW, OPF, SRQ, BZN, JFK, MIA, AUS, PBI, SLC, FLL, TUS, PHX, LAS, FCA, PLS, PSP, SJD, SNA, SFO, SJO and PUJ. These options provide additional schedule flexibility.
Chicago is 1 hour behind St Louis.
Yes, return flights from ORD to SUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STL, COU and UIN. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SUS to ORD

Spirit of St Louis Airport (SUS) and Chicago O'Hare International Airport (ORD) are connected through multiple connecting hub airports.

SUS to ORD Flight Duration and Schedule

Nonstop flight time from SUS to ORD ranges from 1 hours 49 minutes. The route covers a distance of 271 miles (436 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

45 one-stop connections are available, with the fastest taking approximately 3 hours via STL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include St Louis (STL), Columbia (COU) and Quincy (UIN).