Direct flights from Washington Dulles to San Antonio
14 nonstop flights a week on 1 airline. Zero layovers — one hop from IAD to SAT.
Flight time: about 2h55m nonstop
Which days does it fly?
When does it fly?
Departure times in Washington Dulles local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL1789 | 8:32a | 2h52m | Wed |
| United UAL1789 | 8:37a | 2h52m | Tue |
| United ASH3982 | 8:42a | 3h5m | Sat |
| United UAL1789 | 8:50a | 2h54m | Mon, Fri, Sun |
| United UAL1789 | 8:56a | 2h47m | Thu |
| United UAL1869 | 6:11p | 2h55m | Mon, Tue, Sat |
| United UAL1869 | 6:18p | 3h18m | Wed–Thu |
| United UAL1869 | 6:26p | 2h56m | Fri, Sun |
United
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The route
One hop: IAD → SATDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Washington Dulles (IAD) to San Antonio (SAT)
Washington Dulles International Airport (IAD) has 14 nonstop flights a week to San Antonio (SAT), operated by United. No layovers, no connections — one hop out of IAD 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 Washington Dulles to San Antonio?
The nonstop flight from Washington Dulles (IAD) to San Antonio (SAT) takes about 2h55m in the air, based on recently observed nonstop departures.
How long does it take to drive from Washington Dulles to San Antonio?
Driving from Washington Dulles to San Antonio takes about 23h 15m behind the wheel — roughly 1,591 miles, or about 2 days of real driving. The nonstop flight takes about 2h55m.