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

MDW Airport Page →
251 mi airlines 39/wk
On-time Some delays Frequent delays
Flight Schedule 22 flights Verified 5h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
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
737
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
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
7S7
10:55 AM
CDT T2
12:05 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

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
Chicago to St Louis
1 carrier, 39 flights/week nonstop.
1 Airlines 39 Flights/wk 251 mi 1h 4m nonstop 134 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 4m. Beyond nonstop, 134 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 39 737, 738, 73H, 7S7, B38M 1h04-1h15 84%
Aircraft on this route
737 Boeing 737-700 – WN
738 Boeing 737-800 – WN
73H Boeing 737-800 (Winglets) – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (39 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
6
flights
Tue
5
flights
Wed
5
flights
Thu
6
flights
Fri
6
flights
Sat
4
flights
Sun
7
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
14
Nonstop flights
39
Outbound / wk
38
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MDW to STL.
1-STOP
One-Stop Connections
134
Hubs
~2h
Fastest
~32h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,925
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 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 20 3
Weekly flights 39 523 14
Flight time 1h 4m 1h 9m 1h 20m
Departure OTP 84%
Airports within 200 miles of MDW with service to St. Louis Lambert International Airport.

Travel Essentials

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

When it's 6:00 PM in Chicago, it's 6:00 PM in St Louis.
Distance & Flight Time
251 mi / 404 km
Nonstop flight time is approximately 1h 4m to 1h 15m.

MDW–STL Quick Facts

Key statistics for the Chicago to St Louis route.
Route details
Distance251 mi / 404 km
Flight time1h 4m to 1h 15m
Time difference0 hours
Airlines (nonstop)1
Weekly flights39 out / 38 return
1-stop connections134 hubs
Origin: MDW
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
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 4m to 1h 15m. The route covers 251 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 39 nonstop flights per week from MDW to STL. The return direction has about 38 weekly flights.
Yes, 1-stop connections are available through SUS, CGF, BKL, ATW, LWB, MKC, CID, FSD, BUF, AIK, CHO, PWK, AGS, DSM, HHH, PTK, SWF, GSP, BLM, LIT, ROC, ORD, ILM, ICT, MMU, GSO, ISM, ORF, PIE, TUL, EGE, YYZ, CEU, TEB, AVL, BCT, HPN, JAC, EYW, ASE, RIL, SAF, YVR, JFK, HYA, PWA, BZN, BDL, OPF, ORL, ABQ, MYR, BED, APF, AFW, NAS, PBI, YEG, TUS, SUA, IAH, CLD, GYR, SCF, APC, PSP, PLS, UDD, VNY, MRY, LGB, SNA, SJC, SJD, BUR, OMA, CUN, SJU, ECP, PIT, DTW, CMH, BNA, MIA, CLE, EWR, CVG, ATL, DAL, RDU, PNS, MCO, DEN, MKE, BWI, TPA, MSP, MCI, AUS, HOU, MSY, PHX, DCA, IAD, RSW, FLL, LAS, CLT, MEM, PHL, SLC, LGA, BOS, VPS, SAT, SAV, DFW, SFO, JAX, SRQ, SEA, SAN, CHS, LAX, SMF, LUK, GRR, IND, OKC, HCR, PDX, HND, MBJ and PUJ. These options provide additional schedule flexibility.
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 39 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 4 minutes to 1 hours 15 minutes. The route covers a distance of 251 miles (404 km). There are approximately 39 weekly flights outbound and 38 return, totaling 77 flights per week in both directions.

Connecting Options and Alternatives

134 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 Chicago (ORD), Milwaukee (MKE) and West Lafayette (LAF).