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

HOU Airport Page →
688 mi airlines 52/wk
On-time Some delays Frequent delays
Flight Schedule 28 flights Verified 8h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2422
WN Southwest
73H
7:35 AM
CDT
9:35 AM
EDT
2h
M T W T F S S
Prices
WN344
WN Southwest
7M8
7:40 AM
CDT
9:35 AM
EDT
1h 55m
M T W T F S S
Prices
WN968
WN Southwest
7S7
9:50 AM
CDT
11:50 AM
EDT
2h
M T W T F S S
Prices
WN498
WN Southwest
73H
10:25 AM
CDT
12:25 PM
EDT
2h
M T W T F S S
Prices
WN3153
WN Southwest
7S7
10:40 AM
CDT
12:40 PM
EDT
2h
M T W T F S S
Prices
WN3662
WN Southwest
7M8
11:05 AM
CDT
1:05 PM
EDT
2h
M T W T F S S
Prices
WN3854
WN Southwest
738
11:05 AM
CDT T4
1:05 PM
EDT
2h
M T W T F S S
Prices
WN1688
WN Southwest
7S7
2:35 PM
CDT
4:40 PM
EDT
2h 5m
M T W T F S S
Prices
WN3319
WN Southwest
7S7
4:50 PM
CDT
6:45 PM
EDT
1h 55m
M T W T F S S
Prices
WN1218
WN Southwest
7S7
5:10 PM
CDT
7:10 PM
EDT
2h
M T W T F S S
Prices
WN2434
WN Southwest
7M8
7:15 PM
CDT
9:15 PM
EDT
2h
M T W T F S S
Prices
WN2426
WN Southwest
7M8
8:15 PM
CDT
10:20 PM
EDT
2h 5m
M T W T F S S
Prices
WN2802
WN Southwest
7M8
9:15 PM
CDT T4
11:15 PM+1
EDT
2h
M T W T F S S
Prices
WN4466
WN Southwest
73H
5:15 AM
EDT T2
7:30 AM
CDT
2h 15m
M T W T F S S
Prices
WN4542
WN Southwest
73H
5:35 AM
EDT T2
7:50 AM
CDT
2h 15m
M T W T F S S
Prices
WN3865
WN Southwest
7S7
8:25 AM
EDT T2
10:40 AM
CDT
2h 15m
M T W T F S S
Prices
WN4467
WN Southwest
7S7
8:35 AM
EDT T2
10:45 AM
CDT
2h 10m
M T W T F S S
Prices
WN784
WN Southwest
73H
8:35 AM
EDT T2
10:50 AM
CDT
2h 15m
M T W T F S S
Prices
WN2591
WN Southwest
7S7
1:10 PM
EDT T2
3:25 PM
CDT
2h 15m
M T W T F S S
Prices
WN1712
WN Southwest
7S7
2:00 PM
EDT T2
4:15 PM
CDT
2h 15m
M T W T F S S
Prices
WN3486
WN Southwest
B38M
4:20 PM
EDT T2
6:35 PM
CDT
2h 15m
M T W T F S S
Prices
WN4468
WN Southwest
7S7
4:25 PM
EDT T2
6:35 PM
CDT
2h 10m
M T W T F S S
Prices
WN472
WN Southwest
7S7
5:45 PM
EDT T2
8:05 PM
CDT
2h 20m
M T W T F S S
Prices
WN865
WN Southwest
7M8
5:47 PM
EDT T2
7:32 PM
CDT
2h 45m
M T W T F S S
Prices
WN1753
WN Southwest
7S7
7:15 PM
EDT T2
9:25 PM
CDT
2h 10m
M T W T F S S
Prices
WN2314
WN Southwest
7M8
7:40 PM
EDT T2
9:55 PM
CDT
2h 15m
M T W T F S S
Prices
WN2082
WN Southwest
7S7
8:50 PM
EDT T2
11:00 PM
CDT
2h 10m
M T W T F S S
Prices
WN2311
WN Southwest
73H
9:40 PM
EDT T2
11:55 PM
CDT
2h 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
2-STOP Loading...
Houston to St Louis
1 carrier, 52 flights/week nonstop.
1 Airlines 52 Flights/wk 688 mi 1h 10m nonstop +1h ahead 84 1-stop hubs

HOU–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 688 miles in approximately 1h 10m. Beyond nonstop, 84 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop HOU–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 51 738, 73H, 7M8, 7S7 1h55-2h05 50%
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
Alliance coverage
Unaffiliated: WN (51 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, HOU to STL direction.
Mon
7
flights
Tue
7
flights
Wed
7
flights
Thu
7
flights
Fri
7
flights
Sat
5
flights
Sun
11
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
13
Nonstop flights
52
Outbound / wk
62
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for HOU to STL.
1-STOP
One-Stop Connections
84
Hubs
~2h
Fastest
~32h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,981
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
HOU → STL
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
67%
Return
STL → HOU
37%
Frequent delays expected. Consider flexible booking.
Departing
37%
Arriving
60%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. HOU delays → STL delays →

Other ways to reach St Louis from Houston

Nearby airports with service to St. Louis Lambert International Airport.
Metric HOU→STL IAH→STL AUS→STL
Distance from HOU 24 mi 148 mi
Nonstop airlines 1 4 2
Weekly flights 52 43 41
Flight time 1h 10m 1h 1m 2h
Departure OTP 50%
Airports within 200 miles of HOU 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 Houston.
HOU: CDT · STL: EDT

When it's 6:00 PM in Houston, it's 7:00 PM in St Louis.
Distance & Flight Time
688 mi / 1,108 km
Nonstop flight time is approximately 1h 10m to 2h 5m.

HOU–STL Quick Facts

Key statistics for the Houston to St Louis route.
Route details
Distance688 mi / 1,108 km
Flight time1h 10m to 2h 5m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights52 out / 62 return
1-stop connections84 hubs
Origin: HOU
IATA / ICAOHOU / KHOU
TimezoneAmerica/Indiana/Tell_City
Passengers/yr14.2M
Elevation46 ft / 14 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about HOU to STL flights.
Nonstop flights from William P. Hobby Airport to St. Louis Lambert International Airport take approximately 1h 10m to 2h 5m. The route covers 688 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 52 nonstop flights per week from HOU to STL. The return direction has about 62 weekly flights.
Yes, 1-stop connections are available through MKC, LRD, AFW, LIT, IAH, TUL, APF, DSM, BUF, BCT, NAS, RIL, PDK, ILM, ICT, ASE, SCF, TEB, AVL, EGE, CLE, YYZ, HPN, MMU, SRQ, RSW, MSP, SAV, JAC, IAD, BZN, BDL, PSP, GRR, BUR, PHL, PBI, EWR, APC, SJC, SEA, PIT, SFO, OMA, BNA, DAL, MEM, CMH, SLC, MCI, MCO, MDW, DFW, AUS, DEN, IND, MSY, PNS, JAX, SAT, PHX, LAS, ECP, TPA, ATL, BWI, RDU, MIA, DCA, FLL, CHS, LAX, LGA, SMF, SAN, VPS, CUN, OKC, LUK, PVR, SJD, HCR, HND and SJU. These options provide additional schedule flexibility.
St Louis is 1 hour ahead of Houston.
Yes, return flights from STL to HOU are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include IAH and AUS. 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 HOU to STL

William P. Hobby Airport (HOU) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 52 weekly departures, this is a heavily served route.

HOU to STL Flight Duration and Schedule

Nonstop flight time from HOU to STL ranges from 1 hours 10 minutes to 2 hours 5 minutes. The route covers a distance of 688 miles (1,108 km). There are approximately 52 weekly flights outbound and 62 return, totaling 114 flights per week in both directions.

Connecting Options and Alternatives

84 one-stop connections are available, with the fastest taking approximately 2 hours via MKC. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (IAH) and Austin (AUS).