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

HOU Airport Page →
688 mi airlines 34/wk
On-time Some delays Frequent delays
Flight Schedule 17 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN2422
WN Southwest
7S7
7:35 AM
CDT
9:35 AM
CDT
2h
M T W T F S S
Prices
WN498
WN Southwest
7S7
10:30 AM
CDT
12:30 PM
CDT
2h
M T W T F S S
Prices
WN3153
WN Southwest
737
10:40 AM
CDT T2
12:40 PM
CDT
2h
M T W T F S S
Prices
WN1688
WN Southwest
737
2:35 PM
CDT T4
4:40 PM
CDT
2h 5m
M T W T F S S
Prices
WN1506
WN Southwest
7S7
2:55 PM
CDT
4:55 PM
CDT
2h
M T W T F S S
Prices
WN1158
WN Southwest
7S7
3:10 PM
CDT
5:10 PM
CDT
2h
M T W T F S S
Prices
WN2425
WN Southwest
7M8
4:05 PM
CDT
6:05 PM
CDT
2h
M T W T F S S
Prices
WN1218
WN Southwest
7S7
5:10 PM
CDT
7:10 PM
CDT
2h
M T W T F S S
Prices
WN1505
WN Southwest
7M8
6:35 PM
CDT
8:35 PM
CDT
2h
M T W T F S S
Prices
WN2426
WN Southwest
7M8
9:55 PM
CDT
11:55 PM
CDT
2h
M T W T F S S
Prices
WN4466
WN Southwest
7M8
5:40 AM
CDT T2
7:50 AM
CDT
2h 10m
M T W T F S S
Prices
WN4467
WN Southwest
737
8:25 AM
CDT T2
10:35 AM
CDT
2h 10m
M T W T F S S
Prices
WN4468
WN Southwest
738
12:25 PM
CDT T2
2:35 PM
CDT
2h 10m
M T W T F S S
Prices
WN1940
WN Southwest
73H
4:50 PM
CDT T2
7:00 PM
CDT
2h 10m
M T W T F S S
Prices
UA3782
UA United
7M8
5:15 PM
CDT T1
7:10 PM
CDT
1h 55m
M T W T F S S
Prices
WN2082
WN Southwest
7S7
5:20 PM
CDT T2
7:30 PM
CDT
2h 10m
M T W T F S S
Prices
WN1753
WN Southwest
737
9:46 PM
CDT T2
11:57 PM
CDT
2h 11m
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
Houston to St Louis
1 carrier, 34 flights/week nonstop.
1 Airlines 34 Flights/wk 688 mi 1h 46m nonstop 123 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 46m. Beyond nonstop, 123 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 33 737, 7M8, 7S7 2h-2h05 100%
Aircraft on this route
737 Boeing 737-700 – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (33 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
5
flights
Tue
4
flights
Wed
4
flights
Thu
5
flights
Fri
5
flights
Sat
3
flights
Sun
7
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
10
Nonstop flights
34
Outbound / wk
34
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for HOU to STL.
1-STOP
One-Stop Connections
123
Hubs
~2h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,109
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 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 7 6
Weekly flights 34 102 22
Flight time 1h 46m 2h 2h 5m
Departure OTP 100%
Airports within 200 miles of HOU 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 Houston.
HOU: CDT · STL: CDT

When it's 6:00 PM in Houston, it's 6:00 PM in St Louis.
Distance & Flight Time
688 mi / 1,108 km
Nonstop flight time is approximately 1h 46m 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 46m to 2h 5m
Time difference0 hours
Airlines (nonstop)1
Weekly flights34 out / 34 return
1-stop connections123 hubs
Origin: HOU
IATA / ICAOHOU / KHOU
TimezoneAmerica/Chicago
Passengers/yr14.2M
Elevation46 ft / 14 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
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 46m to 2h 5m. The route covers 688 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 34 nonstop flights per week from HOU to STL. The return direction has about 34 weekly flights.
Yes, 1-stop connections are available through SUS, MKC, LWC, ICT, AIK, DSM, AGS, LIT, TUL, PIE, BUF, CHO, SAF, LRD, ASE, EGE, MAF, AFW, GSP, EYW, PWA, ATW, MKE, CID, PWK, ILM, OPF, ABQ, BCT, CLE, GSO, RIL, ORL, AVL, CLT, PTK, TUS, SRQ, FMY, ORD, RSW, MMU, PBI, JAC, APF, SUA, SCF, TEB, BZN, IAD, NAS, CLD, ABE, YYZ, HPN, PHL, HYA, JFK, PSP, BDL, MRY, APC, EWR, PVR, SJD, LGB, BED, VNY, SNA, YUL, BOS, BUR, YVR, SJC, SEA, ECP, SFO, PDX, CMH, OMA, SJU, BNA, PIT, LAX, MSP, ATL, MCO, DAL, DFW, SLC, PNS, TPA, LAS, MDW, DEN, MCI, SAT, MSY, AUS, DCA, PHX, MIA, BWI, MEM, FLL, IAH, RDU, JAX, SAN, LGA, SMF, CHS, OKC, VPS, CUN, DPA, LUK, GRR, IND, SAV, HCR, HND and MBJ. These options provide additional schedule flexibility.
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 34 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 46 minutes to 2 hours 5 minutes. The route covers a distance of 688 miles (1,108 km). There are approximately 34 weekly flights outbound and 34 return, totaling 68 flights per week in both directions.

Connecting Options and Alternatives

123 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 Houston (IAH) and Austin (AUS).