Houston to St Louis (IAH–SUS) — Airlines, Schedules & Connections
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.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
IAH–SUS has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.
Connection Landscape
On-Time Performance
Other ways to reach St Louis from Houston
| Metric | IAH→SUS | HOU→SUS | AUS→SUS |
|---|---|---|---|
| Distance from IAH | – | 24 mi | 140 mi |
| Nonstop airlines | – | 3 | 9 |
| Weekly flights | ~1 | 1 | 1 |
| Flight time | 1h 43m | 2h 16m | 1h 40m |
| Departure OTP | 30% | – | – |
Travel Essentials
IAH: CDT · SUS: CDT
When it's 6:00 PM in Houston, it's 6:00 PM in St Louis.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–SUS Quick Facts
Frequently Asked Questions
Flights from IAH to SUS
George Bush Intercontinental Airport (IAH) and Spirit of St Louis Airport (SUS) are connected through multiple connecting hub airports.
IAH to SUS Flight Duration and Schedule
Nonstop flight time from IAH to SUS is about 1 hours 43 minutes gate to gate. The route covers a distance of 656 miles (1,056 km).
Connecting Options and Alternatives
1-stop connecting options are also available. Nearby alternative airports include Houston (HOU) and Austin (AUS).