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

STL Airport Page →
251 mi airlines 38/wk
On-time Some delays Frequent delays
Flight Schedule 22 flights Verified 19m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN4489
WN Southwest
7M8
5:40 AM
CDT T2
6:50 AM
CDT
1h 10m
M T W T F S S
Prices
WN397
WN Southwest
7M8
7:20 AM
CDT T2
8:30 AM
CDT
1h 10m
M T W T F S S
Prices
WN3964
WN Southwest
73H
10:25 AM
CDT T2
11:35 AM
CDT
1h 10m
M T W T F S S
Prices
WN3613
WN Southwest
73H
11:00 AM
CDT T2
12:10 PM
CDT
1h 10m
M T W T F S S
Prices
WN1764
WN Southwest
73H
3:48 PM
CDT T2
4:42 PM
CDT
0h 54m
M T W T F S S
Prices
WN826
WN Southwest
737
5:59 PM
CDT T2
7:36 PM
CDT
1h 37m
M T W T F S S
Prices
WN3166
WN Southwest
73H
8:45 PM
CDT T2
9:50 PM
CDT
1h 5m
M T W T F S S
Prices
WN3411
WN Southwest
7S7
9:45 PM
CDT T2
10:50 PM
CDT
1h 5m
M T W T F S S
Prices
WN2630
WN Southwest
73H
8:15 AM
CDT
9:30 AM
CDT
1h 15m
M T W T F S S
Prices
WN1862
WN Southwest
737
9:15 AM
CDT
10:30 AM
CDT
1h 15m
M T W T F S S
Prices
WN1164
WN Southwest
7S7
10:50 AM
CDT
12:05 PM
CDT
1h 15m
M T W T F S S
Prices
WN294
WN Southwest
7S7
11:15 AM
CDT
12:25 PM
CDT
1h 10m
M T W T F S S
Prices
WN1422
WN Southwest
738
11:40 AM
CDT
12:55 PM
CDT
1h 15m
M T W T F S S
Prices
WN2022
WN Southwest
7S7
12:45 PM
CDT
2:00 PM
CDT
1h 15m
M T W T F S S
Prices
WN3418
WN Southwest
7S7
12:45 PM
CDT
2:00 PM
CDT
1h 15m
M T W T F S S
Prices
WN1370
WN Southwest
7S7
1:55 PM
CDT
3:05 PM
CDT
1h 10m
M T W T F S S
Prices
WN3144
WN Southwest
737
2:10 PM
CDT
3:25 PM
CDT
1h 15m
M T W T F S S
Prices
WN2897
WN Southwest
7S7
4:05 PM
CDT
5:20 PM
CDT
1h 15m
M T W T F S S
Prices
WN428
WN Southwest
7S7
4:15 PM
CDT
5:30 PM
CDT
1h 15m
M T W T F S S
Prices
WN116
WN Southwest
7S7
6:30 PM
CDT
7:45 PM
CDT
1h 15m
M T W T F S S
Prices
WN3395
WN Southwest
73H
6:46 PM
CDT
7:50 PM
CDT
1h 4m
M T W T F S S
Prices
WN3396
WN Southwest
B38M
8:55 PM
CDT
10:10 PM
CDT
1h 15m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to Chicago
1 carrier, 38 flights/week nonstop.
1 Airlines 38 Flights/wk 251 mi 0h 37m nonstop 140 1-stop hubs

STL–MDW is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 251 miles in approximately 0h 37m. Beyond nonstop, 140 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop STL–MDW service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 36 737, 73H, 7M8, 7S7 0h54-1h37 74%
Aircraft on this route
737 Boeing 737-700 – WN
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (36 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, STL to MDW direction.
Mon
6
flights
Tue
5
flights
Wed
5
flights
Thu
6
flights
Fri
6
flights
Sat
3
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
8
Nonstop flights
38
Outbound / wk
39
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to MDW.
1-STOP
One-Stop Connections
140
Hubs
~2h
Fastest
~33h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,890
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.

Other ways to reach Chicago from St Louis

Nearby airports with service to Chicago Midway International Airport.
Metric STL→MDW SPI→MDW COU→MDW
Distance from STL 84 mi 100 mi
Nonstop airlines 1 1 2
Weekly flights 38 1
Flight time 0h 37m 1h 31m 1h 10m
Departure OTP 74%
Airports within 200 miles of STL with service to Chicago Midway International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Chicago is 0 hours the same as St Louis.
STL: CDT · MDW: CDT

When it's 6:00 PM in St Louis, it's 6:00 PM in Chicago.
Distance & Flight Time
251 mi / 404 km
Nonstop flight time is approximately 0h 37m to 1h 37m.

STL–MDW Quick Facts

Key statistics for the St Louis to Chicago route.
Route details
Distance251 mi / 404 km
Flight time0h 37m to 1h 37m
Time difference0 hours
Airlines (nonstop)1
Weekly flights38 out / 39 return
1-stop connections140 hubs
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: MDW
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m

Frequently Asked Questions

Common questions about STL to MDW flights.
Nonstop flights from St. Louis Lambert International Airport to Chicago Midway International Airport take approximately 0h 37m to 1h 37m. The route covers 251 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 38 nonstop flights per week from STL to MDW. The return direction has about 39 weekly flights.
Yes, 1-stop connections are available through SUS, CMI, DPA, IND, DAY, COU, MKC, SGF, OSU, PTK, GRB, DSM, UGN, CID, LNK, YIP, LUK, LEX, LIT, FTY, BHM, PNS, TCL, ICT, CVG, RST, AGC, PDK, MMU, ABE, IAD, TEB, CHO, YYZ, USA, GRR, APA, AGS, MYR, FTW, ACY, TUL, BDL, CXO, BJC, FRG, ILM, FOK, GPT, SYR, TVC, APF, LNS, IAH, RIC, OKC, BED, PBI, FAR, YUL, ISM, EGE, ASE, BZN, VPS, SUA, FXE, BOI, MHH, BCT, TUS, NAS, SCF, VNY, TMB, SBA, SNA, GCM, PSP, SJD, SJC, ONT, RNO, ABQ, APC, MRY, BUR, SJU, ORD, CUN, DFW, BNA, SAT, MSY, LAX, PDX, HOU, ATL, MKE, OMA, AUS, CLT, DAL, TPA, RDU, BWI, MCI, SAV, JAX, DTW, DCA, DEN, FLL, LGA, EWR, CMH, PIT, RSW, MCO, MSP, PHX, BOS, CLE, SFO, LAS, SLC, CHS, SRQ, PHL, SAN, MIA, SEA, SMF, ECP, JWN, BTL, SBN, MBJ, PUJ and CMA. These options provide additional schedule flexibility.
Yes, return flights from MDW to STL are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SPI, COU and DEC. 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 STL to MDW

St. Louis Lambert International Airport (STL) and Chicago Midway International Airport (MDW) are connected by nonstop service from Southwest Airlines. With 38 weekly departures, this is a heavily served route.

STL to MDW Flight Duration and Schedule

Nonstop flight time from STL to MDW ranges from 0 hours 37 minutes to 1 hours 37 minutes. The route covers a distance of 251 miles (404 km). There are approximately 38 weekly flights outbound and 39 return, totaling 77 flights per week in both directions.

Connecting Options and Alternatives

140 one-stop connections are available, with the fastest taking approximately 2 hours via SUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Springfield (SPI), Columbia (COU) and Decatur (DEC).