San Juan to Houston (SJU–IAH) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
SJU–IAH is served by 2 airlines with nonstop service. United Airlines and Spirit Airlines lead the route. The flight covers 2,006 miles in approximately 4h 22m. Beyond nonstop, 87 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC, LH | 21 | 7M9, B39M | 4h53-4h56 | Star Alliance | AC, LH | |
| NK Spirit Airlines | 1 | – | 4h22 | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Houston from San Juan
| Metric | SJU→IAH | SIG→IAH | STT→IAH |
|---|---|---|---|
| Distance from SJU | – | 6 mi | 68 mi |
| Nonstop airlines | 2 | 1 | 1 |
| Weekly flights | 43 | – | 7 |
| Flight time | 4h 22m | 4h 25m | 5h 7m |
| Departure OTP | 76% | – | – |
Travel Essentials
SJU: AST · IAH: CDT
When it's 6:00 PM in San Juan, it's 5:00 PM in Houston.
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.
SJU–IAH Quick Facts
Frequently Asked Questions
Flights from SJU to IAH
Luis Munoz Marin International Airport (SJU) and George Bush Intercontinental Airport (IAH) are connected by nonstop service from Spirit Airlines and United Airlines. With 43 weekly departures, this is a heavily served route.
SJU to IAH Flight Duration and Schedule
Nonstop flight time from SJU to IAH ranges from 4 hours 22 minutes to 5 hours 6 minutes. The route covers a distance of 2,006 miles (3,228 km). There are approximately 43 weekly flights outbound and 28 return, totaling 71 flights per week in both directions.
Connecting Options and Alternatives
87 one-stop connections are available, with the fastest taking approximately 6 hours via SUA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Juan (SIG) and Charlotte Amalie (STT).