Salt Lake City to Dulles (SLC–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SLC–IAD is served by 2 airlines with nonstop service. United Airlines and Delta Air Lines lead the route. The flight covers 1,824 miles in approximately 3h 54m. Beyond nonstop, 204 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 14 | 73G, B38M | 4h13-4h14 | Star Alliance | – | |
| DL Delta Air Lines | 7 | 738 | 3h54 | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Dulles from Salt Lake City
| Metric | SLC→IAD | PVU→IAD | PIH→IAD |
|---|---|---|---|
| Distance from SLC | – | 42 mi | 150 mi |
| Nonstop airlines | 2 | 1 | 1 |
| Weekly flights | 21 | 3 | – |
| Flight time | 3h 54m | 3h 52m | 3h 39m |
| Departure OTP | 70% | – | – |
Travel Essentials
SLC: MDT · IAD: EDT
When it's 6:00 PM in Salt Lake City, it's 8:00 PM in Dulles.
TRAX light rail Green Line runs from downtown Salt Lake City (Intermodal Hub / Temple Square) to the airport in 18 minutes ($2.50). Trains run every 15 minutes from 5am to 11pm daily. The airport station is inside the terminal building.Ride-shares from downtown cost $15–25 and take 10–20 minutes. I-80 connects directly to the airport from the east. The airport opened a new terminal in 2020; it is one facility now, replacing the old dual-terminal setup. Ski resort shuttles depart from Ground Transportation for Park City, Deer Valley, and Alta/Snowbird (60–90 min).
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.
SLC–IAD Quick Facts
Frequently Asked Questions
Flights from SLC to IAD
Salt Lake City International Airport (SLC) and Washington Dulles International Airport (IAD) are connected by nonstop service from Delta Air Lines and United Airlines. With 21 weekly departures, this is a well served route.
SLC to IAD Flight Duration and Schedule
Nonstop flight time from SLC to IAD ranges from 3 hours 54 minutes to 4 hours 14 minutes. The route covers a distance of 1,824 miles (2,935 km). There are approximately 21 weekly flights outbound and 31 return, totaling 52 flights per week in both directions.
Connecting Options and Alternatives
204 one-stop connections are available, with the fastest taking approximately 4 hours via LNK. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Provo (PVU), Pocatello (PIH) and Idaho Falls (IDA).