St Louis to Milwaukee (STL–MKE) — Airlines, Schedules & Connections

STL Airport Page →
318 mi airlines 21/wk
On-time Some delays Frequent delays
Flight Schedule 13 flights Verified 6h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2377
WN Southwest
12:28 AM
EDT
1:29 AM
CDT
2h 1m
M T W T F S S
Prices
WN3153
WN Southwest
73H
8:25 AM
EDT T2
9:40 AM
CDT
1h 15m
M T W T F S S
Prices
WN1592
WN Southwest
5:48 PM
EDT
7:18 PM
CDT
2h 30m
M T W T F S S
Prices
WN4497
WN Southwest
73H
9:00 PM
EDT T2
10:15 PM
CDT
1h 15m
M T W T F S S
Prices
WN1073
WN Southwest
7S7
9:40 PM
EDT T2
10:55 PM
CDT
2h 15m
M T W T F S S
Prices
WN1111
WN Southwest
737
6:10 AM
CDT
7:45 AM
EDT
1h 35m
M T W T F S S
Prices
WN360
WN Southwest
7S7
6:30 AM
CDT
7:50 AM
EDT
1h 20m
M T W T F S S
Prices
WN3456
WN Southwest
7S7
8:00 AM
CDT
9:20 AM
EDT
1h 20m
M T W T F S S
Prices
WN3182
WN Southwest
7S7
4:05 PM
CDT
5:25 PM
EDT
1h 20m
M T W T F S S
Prices
WN2706
WN Southwest
7S7
4:40 PM
CDT
6:00 PM
EDT
1h 20m
M T W T F S S
Prices
WN4459
WN Southwest
7S7
4:45 PM
CDT
6:05 PM
EDT
1h 20m
M T W T F S S
Prices
WN1753
WN Southwest
7S7
5:20 PM
CDT
6:40 PM
EDT
1h 20m
M T W T F S S
Prices
WN377
WN Southwest
7S7
5:30 PM
CDT
6:55 PM
EDT
1h 25m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
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St Louis to Milwaukee
1 carrier, 21 flights/week nonstop.
1 Airlines 21 Flights/wk 318 mi 1h 15m nonstop -1h behind 59 1-stop hubs

STL–MKE is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 318 miles in approximately 1h 15m. Beyond nonstop, 59 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop STL–MKE service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 21 73H, 7S7 1h15-2h30 57%
Aircraft on this route
73H Boeing 737-800 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (21 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 MKE direction.
Mon
4
flights
Tue
4
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
21
Outbound / wk
26
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to MKE.
1-STOP
One-Stop Connections
59
Hubs
~3h
Fastest
~31h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,655
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
STL → MKE
57%
Frequent delays expected. Consider flexible booking.
Departing
57%
Arriving
45%
Return
MKE → STL
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
69%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → MKE delays →

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Milwaukee is 1 hour behind St Louis.
STL: EDT · MKE: CDT

When it's 6:00 PM in St Louis, it's 5:00 PM in Milwaukee.
Distance & Flight Time
318 mi / 511 km
Nonstop flight time is approximately 1h 15m to 2h 30m.

STL–MKE Quick Facts

Key statistics for the St Louis to Milwaukee route.
Route details
Distance318 mi / 511 km
Flight time1h 15m to 2h 30m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights21 out / 26 return
1-stop connections59 hubs
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: MKE
IATA / ICAOMKE / KMKE
TimezoneAmerica/Chicago
Passengers/yr6.2M
Elevation723 ft / 220 m

Frequently Asked Questions

Common questions about STL to MKE flights.
Nonstop flights from St. Louis Lambert International Airport to General Mitchell International Airport take approximately 1h 15m to 2h 30m. The route covers 318 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 21 nonstop flights per week from STL to MKE. The return direction has about 26 weekly flights.
Yes, 1-stop connections are available through OSU, CMH, MSN, CLE, YIP, OMA, IAD, SAV, ECP, JAX, PNS, TEB, OKC, EGE, CHS, ISM, PBI, BDL, APF, BCT, BZN, MBJ, SBA, PVR, LAX, SCF, CUN, ORD, ATL, MIA, BNA, BWI, MDW, MSP, DFW, CLT, DEN, IAH, FLL, PHL, RSW, MCI, SAN, AUS, DTW, DAL, DCA, SLC, SRQ, TPA, MCO, LGA, LAS, PHX, EWR, BOS, IND, SEA and PUJ. These options provide additional schedule flexibility.
Milwaukee is 1 hour behind St Louis.
Yes, return flights from MKE to STL are available. Use the direction toggle at the top to view the return schedule.
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 MKE

St. Louis Lambert International Airport (STL) and General Mitchell International Airport (MKE) are connected by nonstop service from Southwest Airlines. With 21 weekly departures, this is a well served route.

STL to MKE Flight Duration and Schedule

Nonstop flight time from STL to MKE ranges from 1 hours 15 minutes to 2 hours 30 minutes. The route covers a distance of 318 miles (511 km). There are approximately 21 weekly flights outbound and 26 return, totaling 47 flights per week in both directions.

Connecting Options and Alternatives

59 one-stop connections are available, with the fastest taking approximately 3 hours via OSU. Two-stop connections are also available via intermediate hubs.