Houston to San Diego (IAH–SAN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAH–SAN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,301 miles in approximately 3h 14m. Beyond nonstop, 112 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: EK | 53 | 739, 7M9, B39M | 3h14-3h55 | Star Alliance | EK |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach San Diego from Houston
| Metric | IAH→SAN | HOU→SAN | AUS→SAN |
|---|---|---|---|
| Distance from IAH | – | 24 mi | 140 mi |
| Nonstop airlines | 1 | 6 | 8 |
| Weekly flights | 60 | 22 | 74 |
| Flight time | 3h 14m | 3h 20m | 2h 50m |
| Departure OTP | 0% | – | – |
Travel Essentials
IAH: CDT · SAN: PDT
When it's 6:00 PM in Houston, it's 4:00 PM in San Diego.
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–SAN Quick Facts
Frequently Asked Questions
Flights from IAH to SAN
George Bush Intercontinental Airport (IAH) and San Diego International Airport (SAN) are connected by nonstop service from United Airlines. With 60 weekly departures, this is a heavily served route.
IAH to SAN Flight Duration and Schedule
Nonstop flight time from IAH to SAN ranges from 3 hours 14 minutes to 3 hours 55 minutes. The route covers a distance of 1,301 miles (2,093 km). There are approximately 60 weekly flights outbound and 62 return, totaling 122 flights per week in both directions.
Connecting Options and Alternatives
112 one-stop connections are available, with the fastest taking approximately 3 hours via FTW. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).