St Louis to Houston (STL–HOU) — Airlines, Schedules & Connections

STL Airport Page →
688 mi airlines charter/private 38/wk
On-time Some delays Frequent delays
Flight Schedule 31 flights Verified 49m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3919
WN Southwest
B38M
6:25 AM
CDT T2
8:30 AM
CDT
2h 5m
54%
M T W T F S S
Prices
WN3928
WN Southwest
B38M
7:15 AM
CDT T2
9:20 AM
CDT
2h 5m
54%
M T W T F S S
Prices
WN717
WN Southwest
73H
7:40 AM
CDT T2
9:45 AM
CDT
2h 5m
54%
M T W T F S S
Prices
WN4752
WN Southwest
737
1:50 PM
CDT T2
3:55 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN3316
WN Southwest
73H
2:10 PM
CDT T2
4:15 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN4781
WN Southwest
7S7
4:00 PM
CDT T2
6:05 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN2208
WN Southwest
73H
4:50 PM
CDT T2
6:55 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN5104
WN Southwest
7M8
5:35 PM
CDT T2
7:40 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN770
WN Southwest
7S7
6:00 PM
CDT T2
8:05 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN2312
WN Southwest
B38M
6:35 PM
CDT T2
8:40 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN507
WN Southwest
7M8
6:45 PM
CDT T2
8:50 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN3136
WN Southwest
B38M
6:50 PM
CDT T2
8:55 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN64
WN Southwest
7S7
7:20 PM
CDT T2
9:25 PM
CDT
2h 5m
54%
M T W T F S S
Prices
WN4617
WN Southwest
7M8
9:45 PM
CDT T2
11:45 PM
CDT
2h
54%
M T W T F S S
Prices
WN4084
WN Southwest
B38M
7:20 AM
CDT T2
9:25 AM
CDT
2h 5m
35%
M T W T F S S
Prices
WN454
WN Southwest
73H
7:35 AM
CDT
9:35 AM
CDT
2h
35%
M T W T F S S
Prices
WN3662
WN Southwest
7M8
7:35 AM
CDT
9:35 AM
CDT
2h
35%
M T W T F S S
Prices
WN1643
WN Southwest
7S7
11:05 AM
CDT
1:05 PM
CDT
2h
35%
M T W T F S S
Prices
WN2084
WN Southwest
7M8
11:55 AM
CDT
1:55 PM
CDT
2h
35%
M T W T F S S
Prices
WN2524
WN Southwest
737
12:20 PM
CDT T2
2:25 PM
CDT
2h 5m
35%
M T W T F S S
Prices
WN4533
WN Southwest
7S7
1:20 PM
CDT
3:20 PM
CDT
2h
35%
M T W T F S S
Prices
WN4642
WN Southwest
7M8
1:20 PM
CDT
3:20 PM
CDT
2h
35%
M T W T F S S
Prices
WN189
WN Southwest
7M8
2:55 PM
CDT
4:55 PM
CDT
2h
35%
M T W T F S S
Prices
WN5103
WN Southwest
7M8
2:55 PM
CDT
4:55 PM
CDT
2h
35%
M T W T F S S
Prices
WN5064
WN Southwest
7M8
3:00 PM
CDT
5:00 PM
CDT
2h
35%
M T W T F S S
Prices
WN2567
WN Southwest
7M8
4:00 PM
CDT
6:00 PM
CDT
2h
35%
M T W T F S S
Prices
WN3711
WN Southwest
7M8
5:10 PM
CDT T5
7:10 PM
CDT
2h
35%
M T W T F S S
Prices
WN4724
WN Southwest
737
5:42 PM
CDT T2
7:37 PM
CDT
1h 55m
35%
M T W T F S S
Prices
WN1413
WN Southwest
7M8
7:05 PM
CDT
9:10 PM
CDT
2h 5m
35%
M T W T F S S
Prices
WN3962
WN Southwest
7S7
8:45 PM
CDT T4
10:50 PM
CDT
2h 5m
35%
M T W T F S S
Prices
WN2087
WN Southwest
73H
9:30 PM
CDT T4
11:30 PM
CDT
2h
35%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
DAL Dallas 3h 40m EJALXJWN WNXE Dallas (DAL) to Houston flights
MSY New Orleans 4h WN WN New Orleans (MSY) to Houston flights
DFW Dallas-Fort Worth 4h 4m AAASAY AABAEJA Dallas-Fort Worth (DFW) to Houston flights
SAT San Antonio 4h 5m EJAWN LXJWN San Antonio (SAT) to Houston flights
BNA Nashville 4h 5m EJAWN WN Nashville (BNA) to Houston flights
MDW Chicago 4h 25m WN SBEVJAWN Chicago (MDW) to Houston flights
ECP Panama City Beach 4h 30m WN WN Panama City Beach (ECP) to Houston flights
ATL Atlanta 4h 33m AFAMDL AFAMDL Atlanta (ATL) to Houston flights
AUS Austin 4h 39m WN WN Austin (AUS) to Houston flights
CMH Columbus 5h WN WN Columbus (CMH) to Houston flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to Houston
3 carriers, 38 flights/week nonstop.
3 Airlines 688 mi 2h 5m nonstop

STL–HOU is served by 3 airlines with nonstop service. Southwest Airlines, Sun Country Airlines and United Airlines lead the route. The flight covers 688 miles in approximately 2h 5m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop STL–HOU service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 38 737, 73H, 7M8, 7S7, B38M 2h-2h05 100%
SY Sun Country Airlines 1 100%
UA United Airlines 0 100% Star Alliance
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
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: SY + WN (39 flights/wk, 100%)
Star Alliance: UA (0 flights/wk, 0%)
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 HOU direction.
Mon
6
flights
Tue
4
flights
Wed
4
flights
Thu
7
flights
Fri
7
flights
Sat
5
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
14
Nonstop flights
38
Outbound / wk
40
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to HOU.
1-STOP
One-Stop Connections
54
Hubs
~3h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,117
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 → HOU
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
HOU → STL
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → HOU delays →

Travel Essentials

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

When it's 6:00 PM in St Louis, it's 6:00 PM in Houston.
Distance & Flight Time
688 mi / 1,108 km
Nonstop flight time is approximately 2h 5m gate to gate.

STL–HOU Quick Facts

Key statistics for the St Louis to Houston route.
Route details
Distance688 mi / 1,108 km
Flight time2h 5m
Time difference0 hours
Airlines (nonstop)3
Weekly flights38 out / 40 return
1-stop connectionsAvailable
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: HOU
IATA / ICAOHOU / KHOU
TimezoneAmerica/Chicago
Passengers/yr14.2M
Elevation46 ft / 14 m

Frequently Asked Questions

Common questions about STL to HOU flights.
Nonstop flights from St. Louis Lambert International Airport to William P. Hobby Airport take about 2h 5m gate to gate. The route covers 688 miles.
3 airlines operate flights from STL to HOU: Southwest Airlines, Sun Country Airlines and United Airlines.
This route has frequent daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Dallas Love Field, Louis Armstrong New Orleans and Dallas Fort Worth.
Yes, return flights from HOU 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 HOU

St. Louis Lambert International Airport (STL) and William P. Hobby Airport (HOU) are connected by nonstop service from Southwest Airlines, Sun Country Airlines and United Airlines. With 38 weekly departures, this is a heavily served route.

STL to HOU Flight Duration and Schedule

Nonstop flight time from STL to HOU is about 2 hours 5 minutes gate to gate. The route covers a distance of 688 miles (1,108 km). There are approximately 38 weekly flights outbound and 40 return, totaling 78 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Dallas Love Field, Louis Armstrong New Orleans and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs.