Houston to San Diego (IAH–SAN) — 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–SAN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,301 miles in approximately 3h 21m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: EK | 49 | 739, 7M8, 7M9, B39M | 2h38-3h29 | Star Alliance | EK |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
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 | 8 | 12 |
| Weekly flights | 56 | 40 | 93 |
| Flight time | 3h 21m | 3h 10m | 2h 45m |
| Departure OTP | 89% | – | – |
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 56 weekly departures, this is a heavily served route.
IAH to SAN Flight Duration and Schedule
Nonstop flight time from IAH to SAN is about 3 hours 21 minutes gate to gate. The route covers a distance of 1,301 miles (2,093 km). There are approximately 56 weekly flights outbound and 40 return, totaling 96 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via El Paso, Phoenix Sky Harbor and Austin Bergstrom. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).