Direct flights from Houston to San Diego
35 nonstop flights a week on 1 airline. Zero layovers — one hop from IAH to SAN.
Flight time: about 2h57m nonstop
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL2491 | 9:44a | 2h55m | Sat |
| United UAL2491 | 9:52a | 2h58m | Mon–Tue |
| United UAL2491 | 10:02a | 2h56m | Wed, Thu, Fri, Sun |
| United UAL2399 | 12:00p | 2h57m | Sat |
| United UAL2399 | 12:09p | 2h57m | Tue |
| United UAL2399 | 12:31p | 3h14m | Mon |
| United UAL2399 | 12:39p | 2h51m | Wed, Sun |
| United UAL2399 | 12:56p | 2h52m | Fri |
| United UAL2399 | 1:05p | 3h2m | Thu |
| United UAL1114 | 2:29p | 2h55m | Tue, Wed, Sat |
| United UAL1114 | 2:44p | 2h55m | Fri |
| United UAL1114 | 2:48p | 2h50m | Mon |
| United UAL1114 | 3:02p | 2h54m | Thu, Sun |
| United UAL2798 | 4:31p | 2h59m | Sat |
| United UAL2798 | 4:39p | 2h55m | Wed |
| United UAL2798 | 4:53p | 2h58m | Mon–Tue |
| United UAL2798 | 5:14p | 2h58m | Thu, Fri, Sun |
| United UAL1911 | 8:09p | 2h57m | Mon–Wed |
| United UAL1911 | 8:20p | 2h58m | Thu, Sat |
| United UAL1911 | 8:36p | 3h11m | Fri, Sun |
United
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The route
One hop: IAH → SANDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to San Diego (SAN)
George Bush Intercontinental Airport (IAH) has 35 nonstop flights a week to San Diego (SAN), operated by United. No layovers, no connections — one hop out of IAH and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to San Diego?
The nonstop flight from Houston (IAH) to San Diego (SAN) takes about 2h57m in the air, based on recently observed nonstop departures.