Chicago to St Louis (MDW–STL) — Airlines, Schedules & Connections

MDW Airport Page →
251 mi airlines 68/wk
On-time Some delays Frequent delays
Flight Schedule 34 flights Verified 2h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2458
WN Southwest
B38M
6:25 AM
CDT
7:45 AM
EDT
1h 20m
M T W T F S S
Prices
WN2630
WN Southwest
7M8
8:10 AM
CDT
9:25 AM
EDT
1h 15m
M T W T F S S
Prices
WN3978
WN Southwest
738
8:10 AM
CDT
9:30 AM
EDT
1h 20m
M T W T F S S
Prices
WN1862
WN Southwest
7S7
9:00 AM
CDT
10:15 AM
EDT
1h 15m
M T W T F S S
Prices
WN1164
WN Southwest
7S7
10:15 AM
CDT
11:30 AM
EDT
1h 15m
M T W T F S S
Prices
WN265
WN Southwest
7S7
10:30 AM
CDT
11:40 AM
EDT
1h 10m
M T W T F S S
Prices
WN1422
WN Southwest
73H
11:40 AM
CDT
12:55 PM
EDT
1h 15m
M T W T F S S
Prices
WN3751
WN Southwest
7M8
12:30 PM
CDT
1:40 PM
EDT
1h 10m
M T W T F S S
Prices
WN2022
WN Southwest
7S7
12:45 PM
CDT
2:00 PM
EDT
1h 15m
M T W T F S S
Prices
WN1370
WN Southwest
7S7
1:55 PM
CDT
3:05 PM
EDT
1h 10m
M T W T F S S
Prices
WN3144
WN Southwest
7S7
2:10 PM
CDT
3:25 PM
EDT
1h 15m
M T W T F S S
Prices
WN577
WN Southwest
7S7
2:35 PM
CDT
3:50 PM
EDT
1h 15m
M T W T F S S
Prices
WN2897
WN Southwest
7S7
4:05 PM
CDT
5:20 PM
EDT
1h 15m
M T W T F S S
Prices
WN3395
WN Southwest
73H
4:40 PM
CDT
5:55 PM
EDT
1h 15m
M T W T F S S
Prices
WN2253
WN Southwest
7S7
5:40 PM
CDT
6:55 PM
EDT
1h 15m
M T W T F S S
Prices
WN116
WN Southwest
7S7
6:30 PM
CDT
7:45 PM
EDT
1h 15m
M T W T F S S
Prices
WN3396
WN Southwest
7M8
8:55 PM
CDT
10:10 PM
EDT
1h 15m
M T W T F S S
Prices
WN449
WN Southwest
7M8
9:05 PM
CDT
10:20 PM
EDT
1h 15m
M T W T F S S
Prices
WN397
WN Southwest
B38M
9:40 PM
CDT
10:55 PM
EDT
1h 15m
M T W T F S S
Prices
WN4009
WN Southwest
7S7
10:15 PM
CDT
11:30 PM+1
EDT
1h 15m
M T W T F S S
Prices
WN1181
WN Southwest
73H
5:20 AM
EDT T2
6:30 AM
CDT
1h 10m
M T W T F S S
Prices
WN649
WN Southwest
738
5:30 AM
EDT T2
6:40 AM
CDT
1h 10m
M T W T F S S
Prices
WN4489
WN Southwest
7S7
5:35 AM
EDT T2
6:45 AM
CDT
1h 10m
M T W T F S S
Prices
WN397
WN Southwest
7M8
7:20 AM
EDT T2
8:30 AM
CDT
1h 10m
M T W T F S S
Prices
WN3964
WN Southwest
73H
10:25 AM
EDT T2
11:35 AM
CDT
1h 10m
M T W T F S S
Prices
WN3613
WN Southwest
7S7
10:50 AM
EDT T2
12:00 PM
CDT
1h 10m
M T W T F S S
Prices
WN770
WN Southwest
7M8
10:50 AM
EDT T2
12:00 PM
CDT
1h 10m
M T W T F S S
Prices
WN826
WN Southwest
7S7
1:45 PM
EDT T2
2:55 PM
CDT
1h 10m
M T W T F S S
Prices
WN2256
WN Southwest
737
2:15 PM
EDT
3:20 PM
CDT
1h 5m
M T W T F S S
Prices
WN1764
WN Southwest
7S7
3:55 PM
EDT T2
5:05 PM
CDT
1h 10m
M T W T F S S
Prices
WN373
WN Southwest
7M8
4:45 PM
EDT T2
5:50 PM
CDT
1h 5m
M T W T F S S
Prices
WN3166
WN Southwest
73H
8:45 PM
EDT T2
9:50 PM
CDT
1h 5m
M T W T F S S
Prices
WN3411
WN Southwest
7M8
9:40 PM
EDT T2
10:45 PM
CDT
1h 5m
M T W T F S S
Prices
WN4549
WN Southwest
7S7
9:50 PM
EDT T2
11:00 PM
CDT
1h 10m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Chicago to St Louis
1 carrier, 68 flights/week nonstop.
1 Airlines 68 Flights/wk 251 mi 1h 10m nonstop +1h ahead 87 1-stop hubs

MDW–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 251 miles in approximately 1h 10m. Beyond nonstop, 87 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MDW–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 68 738, 73H, 7M8, 7S7, B38M 1h10-1h20 100%
Aircraft on this route
738 Boeing 737-800 – WN
73H Boeing 737-800 – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38MWN
Alliance coverage
Unaffiliated: WN (68 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MDW to STL direction.
Mon
11
flights
Tue
9
flights
Wed
9
flights
Thu
11
flights
Fri
11
flights
Sat
8
flights
Sun
9
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
20
Nonstop flights
68
Outbound / wk
67
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MDW to STL.
1-STOP
One-Stop Connections
87
Hubs
~2h
Fastest
~39h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,887
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
MDW → STL
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
STL → MDW
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
88%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MDW delays → STL delays →

Other ways to reach St Louis from Chicago

Nearby airports with service to St. Louis Lambert International Airport.
Metric MDW→STL ORD→STL MKE→STL
Distance from MDW 15 mi 81 mi
Nonstop airlines 1 14 2
Weekly flights 68 322 26
Flight time 1h 10m 0h 23m 1h 20m
Departure OTP 100%
Airports within 200 miles of MDW with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
St Louis is 1 hour ahead of Chicago.
MDW: CDT · STL: EDT

When it's 6:00 PM in Chicago, it's 7:00 PM in St Louis.
Distance & Flight Time
251 mi / 404 km
Nonstop flight time is approximately 1h 10m to 1h 20m.

MDW–STL Quick Facts

Key statistics for the Chicago to St Louis route.
Route details
Distance251 mi / 404 km
Flight time1h 10m to 1h 20m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights68 out / 67 return
1-stop connections87 hubs
Origin: MDW
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about MDW to STL flights.
Nonstop flights from Chicago Midway International Airport to St. Louis Lambert International Airport take approximately 1h 10m to 1h 20m. The route covers 251 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 68 nonstop flights per week from MDW to STL. The return direction has about 67 weekly flights.
Yes, 1-stop connections are available through CGF, BUF, YYZ, GRR, SWF, DSM, LIT, TEB, HPN, ORF, RIL, TUL, PDK, ASE, ICT, BDL, APF, EGE, SAF, BCT, JAC, AFW, BZN, SCF, PBI, PIE, PNS, PSP, BUR, SJC, MYR, SJU, IAH, DFW, PIT, CLE, IND, BNA, IAD, RDU, MEM, DAL, MIA, EWR, CMH, SAT, PHL, MSP, OMA, ATL, DEN, DTW, MSY, HOU, SRQ, JAX, MCI, FLL, MCO, AUS, LGA, TPA, BWI, RSW, SLC, DCA, PHX, MKE, LAS, ECP, SFO, BOS, LAX, VPS, CLT, CUN, SAN, SMF, CHS, LUK, SEA, SAV, OKC, HCR, SJD, PUJ and CVG. These options provide additional schedule flexibility.
St Louis is 1 hour ahead of Chicago.
Yes, return flights from STL to MDW are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD, MKE and LAF. 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 MDW to STL

Chicago Midway International Airport (MDW) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 68 weekly departures, this is a heavily served route.

MDW to STL Flight Duration and Schedule

Nonstop flight time from MDW to STL ranges from 1 hours 10 minutes to 1 hours 20 minutes. The route covers a distance of 251 miles (404 km). There are approximately 68 weekly flights outbound and 67 return, totaling 135 flights per week in both directions.

Connecting Options and Alternatives

87 one-stop connections are available, with the fastest taking approximately 2 hours via CGF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Milwaukee (MKE) and West Lafayette (LAF).