San Juan to Houston (SIG–IAH) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
While no nonstop service exists between SIG and IAH, connecting options are available through 7 hubs.
Connection Landscape
Other ways to reach Houston from San Juan
| Metric | SIG→IAH | SJU→IAH | STT→IAH |
|---|---|---|---|
| Distance from SIG | – | 6 mi | 74 mi |
| Nonstop airlines | 0 | 5 | 1 |
| Weekly flights | 0 | 43 | 7 |
| Flight time | 4h 25m | 4h 22m | 5h 7m |
Travel Essentials
SIG: 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.
SIG–IAH Quick Facts
Frequently Asked Questions
Flights from SIG to IAH
Fernando Luis Ribas Dominicci Airport (SIG) and George Bush Intercontinental Airport (IAH) are connected through multiple connecting hub airports.
SIG to IAH Flight Duration and Schedule
Nonstop flight time from SIG to IAH ranges from 4 hours 25 minutes. The route covers a distance of 2,000 miles (3,218 km).
Connecting Options and Alternatives
7 one-stop connections are available, with the fastest taking approximately 6 hours via FLL. Nearby alternative airports include San Juan (SJU) and Charlotte Amalie (STT).