San Antonio to Dulles (SAT–IAD) — 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.
SAT–IAD is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,360 miles in approximately 3h 27m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AC, LH, SN | 21 | 73G, B38M, B39M, E7W | 3h20-3h41 | Star Alliance | AC, LH, SN |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Dulles from San Antonio
| Metric | SAT→IAD | AUS→IAD | CRP→IAD |
|---|---|---|---|
| Distance from SAT | – | 67 mi | 135 mi |
| Nonstop airlines | 1 | 21 | 1 |
| Weekly flights | 49 | 46 | – |
| Flight time | 3h 27m | 3h 14m | 1h 58m |
| Departure OTP | 85% | – | – |
Travel Essentials
SAT: CDT · IAD: EDT
When it's 6:00 PM in San Antonio, it's 7:00 PM in Dulles.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
SAT–IAD Quick Facts
Frequently Asked Questions
Flights from SAT to IAD
San Antonio International Airport (SAT) and Washington Dulles International Airport (IAD) are connected by nonstop service from United Airlines. With 49 weekly departures, this is a heavily served route.
SAT to IAD Flight Duration and Schedule
Nonstop flight time from SAT to IAD is about 3 hours 27 minutes gate to gate. The route covers a distance of 1,360 miles (2,189 km). There are approximately 49 weekly flights outbound and 40 return, totaling 89 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Nashville, George Bush Intercontinental and Hartsfield Jackson Atlanta. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Austin (AUS), Corpus Christi (CRP) and College Station (CLL).