Houston to Cahokia/St Louis (HOU–CPS) — Airlines, Schedules & Connections

HOU Airport Page →
682 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 12 1-stop flights Verified 1mo ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

Last scheduled nonstop: May 2026.

✦ 1-Stop connections via 10 hubs
MSP Minneapolis 24h 46m SY → DL Minneapolis (MSP) to Cahokia/St Louis flights
AUS Austin ~4h 26m DLLXJWN → Austin (AUS) to Cahokia/St Louis flights
PIT Pittsburgh ~4h 43m WN → Pittsburgh (PIT) to Cahokia/St Louis flights
FLL Fort Lauderdale ~5h 14m WN → Fort Lauderdale (FLL) to Cahokia/St Louis flights
LGA New York ~6h 19m WN → New York (LGA) to Cahokia/St Louis flights
DEN Denver ~6h 27m WN → SY Denver (DEN) to Cahokia/St Louis flights
PHX Phoenix ~6h 45m WN → Phoenix (PHX) to Cahokia/St Louis flights
IAH Houston ~7h 27m AAB6 → UA Houston (IAH) to Cahokia/St Louis flights
SJC San Jose ~8h 28m WN → San Jose (SJC) to Cahokia/St Louis flights
LAX Los Angeles ~8h 55m WN → Los Angeles (LAX) to Cahokia/St Louis flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Houston to Cahokia/St Louis
Connecting service available through multiple hubs.
1 Airlines 682 mi 1h 42m nonstop

HOU–CPS had nonstop service from Sun Country Airlines, last on the schedule in May 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 682 miles in 1h 42m.

Also explore HOU Routes CPS Routes HOU Live Flights CPS Live Flights HOU Delays
All flights from Cahokia/St Louis (CPS) Cahokia/St Louis to Houston flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop HOU–CPS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
SY Sun Country Airlines 0 – – 45% – –
Alliance coverage
Unaffiliated: SY (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for HOU to CPS.
1-STOP
One-Stop Connections
12
Hubs
~4h
Fastest
~27h
Longest
AUS ~4h 26m PIT ~4h 43m FLL ~5h 14m LGA ~6h 19m DEN ~6h 27m
Verified with published schedule alignment and minimum connection time.
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
HOU → CPS
45%
Frequent delays expected. Consider flexible booking.
Departing
45%
Return
CPS → HOU
46%
Frequent delays expected. Consider flexible booking.
Arriving
46%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. HOU delays →
Alternatives

Other ways to reach Cahokia/St Louis from Houston

Nearby airports with service to St Louis Downtown Airport.
Metric HOU→CPS IAH→CPS AUS→CPS
Distance from HOU – 24 mi 148 mi
Nonstop airlines – 1 1
Weekly flights – 1 –
Flight time 1h 42m 2h 5m 2h 1m
Departure OTP 45% – –
Houston (IAH) to Cahokia/St Louis flights · Austin (AUS) to Cahokia/St Louis flights
Airports within 200 miles of HOU with service to St Louis Downtown Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Houston, it's 6:00 PM in Cahokia/St Louis.
Distance & Flight Time
682 mi / 1,098 km
Nonstop flight time is approximately 1h 42m gate to gate.
Facts

HOU–CPS Quick Facts

Key statistics for the Houston to Cahokia/St Louis route.
Route details
Distance682 mi / 1,098 km
Flight time1h 42m
Time difference0 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: HOU
Full nameWilliam P. Hobby Airport
IATA / ICAOHOU / KHOU
TimezoneAmerica/Chicago
Passengers/yr14.2M
Elevation46 ft / 14 m
Destination: CPS
Full nameSt Louis Downtown Airport
IATA / ICAOCPS / KCPS
TimezoneAmerica/Chicago
Elevation413 ft / 126 m
FAQ

Frequently Asked Questions

Common questions about HOU to CPS flights.
Nonstop flights from William P. Hobby Airport to St Louis Downtown Airport take about 1h 42m gate to gate. The route covers 682 miles.
1 airline operated the nonstop from HOU to CPS: Sun Country Airlines. The last scheduled nonstop was in May 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in May 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 1h 42m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Minneapolis–Saint Paul.
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 CPS

William P. Hobby Airport (HOU) and St Louis Downtown Airport (CPS) had nonstop service from Sun Country Airlines, last on the schedule in May 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

HOU to CPS Flight Duration and Schedule

Nonstop flight time from HOU to CPS is about 1 hours 42 minutes gate to gate. The route covers a distance of 682 miles (1,098 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Minneapolis–Saint Paul. Nearby alternative airports include Houston (IAH) and Austin (AUS).