Austin to Houston (AUS–IAH) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
AUS–IAH is served by 4 airlines with nonstop service. United Airlines, Air Canada and Copa Airlines lead the route. The flight covers 140 miles in approximately 1h 2m. Beyond nonstop, 110 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 61 | 319, 320, 738, 739, 7M8, E75L, E7W | 1h02-23h58 | Star Alliance | – | |
| AC Air Canada | 28 | 319, 320, 738, 7M9 | 1h02-1h11 | Star Alliance | – | |
| CM Copa Airlines | 28 | 320, 738, 739, E75L | 1h02-1h13 | Star Alliance | – | |
| EK Emirates | 7 | 320 | 1h07 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Houston from Austin
| Metric | AUS→IAH | SAT→IAH | CLL→IAH |
|---|---|---|---|
| Distance from AUS | – | 67 mi | 82 mi |
| Nonstop airlines | 4 | 8 | 1 |
| Weekly flights | 124 | 175 | 1 |
| Flight time | 1h 2m | 1h 1m | 0h 30m |
| Departure OTP | 57% | – | – |
Travel Essentials
AUS: MDT · IAH: CDT
When it's 6:00 PM in Austin, it's 7:00 PM in Houston.
CapMetro Route 20 (Airport Flyer) runs between downtown Austin (Congress Ave) and AUS in about 30–35 minutes (fare $1.25, or free with MetroAccess). Service runs from roughly 05:00 to midnight; frequency drops evenings and weekends.Ride-shares (Uber/Lyft) from downtown cost $20–30 and take 15–20 minutes off-peak. Taxis run $30–40. Traffic on SH-71 can be heavy during afternoon rush; allow 30–40 minutes from downtown during 16:00–18:30. Long-term parking from $7/day in remote economy lots.
No direct rail from IAH. The METRO bus 102 (IAH Express) runs to downtown Houston's transit center (60–90 min, $1.25). Taxis to downtown Houston cost $50–70. Ride-hails pick up at the designated Rideshare zones outside baggage claim on the lower level.IAH has five terminals (A–E) connected by an underground tunnel with trams. Terminal D handles international arrivals. Rental car agencies are in a consolidated facility adjacent to Terminal C; a free IAH Connector bus runs between terminals and the rental car center. The Galleria / Uptown area costs $35–50 by ride-hail.
Humid subtropical climate. Hot, humid, and wet for much of the year. Summers are brutal (33–38°C) with high humidity and near-daily afternoon thunderstorms. Severe storms with hail and high winds regularly cause ground stops from April through September. Houston's flooding risk is significant. Heavy rain events, including tropical system remnants, have flooded airport roads, cutting off surface access even when the airport itself remains operational.
Winters are mild (5–18°C) with occasional ice storms. These are rare but highly disruptive when they occur. Hurricane season (June–November) requires monitoring for Gulf storms. October through March has the best flying weather.
AUS–IAH Quick Facts
Frequently Asked Questions
Flights from AUS to IAH
Austin Bergstrom International Airport (AUS) and George Bush Intercontinental Airport (IAH) are connected by nonstop service from Air Canada, Copa Airlines, Emirates and United Airlines. With 124 weekly departures, this is a heavily served route.
AUS to IAH Flight Duration and Schedule
Nonstop flight time from AUS to IAH ranges from 1 hours 2 minutes to 23 hours 58 minutes. The route covers a distance of 140 miles (225 km). There are approximately 124 weekly flights outbound and 111 return, totaling 235 flights per week in both directions.
Connecting Options and Alternatives
110 one-stop connections are available, with the fastest taking approximately 3 hours via HOU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Antonio (SAT), College Station (CLL) and Victoria (VCT).