Dulles to St Louis (IAD–STL) — 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.
IAD–STL is served by 3 airlines with nonstop service. United Airlines, GoJet Airlines and Delta Air Lines lead the route. The flight covers 695 miles in approximately 2h 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: AV, CM, SN | 21 | CR5, E7W | 2h14-2h29 | Star Alliance | AV, CM, SN | |
| G7 GoJet Airlines | 1 | – | – | – | – | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach St Louis from Dulles
| Metric | IAD→STL | DCA→STL | BWI→STL |
|---|---|---|---|
| Distance from IAD | – | 23 mi | 45 mi |
| Nonstop airlines | 3 | 4 | 4 |
| Weekly flights | 56 | 99 | 58 |
| Flight time | 2h 27m | 2h 10m | 1h 46m |
| Departure OTP | 86% | – | – |
Travel Essentials
IAD: EDT · STL: CDT
When it's 6:00 PM in Dulles, it's 5:00 PM in St Louis.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
IAD–STL Quick Facts
Frequently Asked Questions
Flights from IAD to STL
Washington Dulles International Airport (IAD) and St. Louis Lambert International Airport (STL) are connected by nonstop service from United Airlines, GoJet Airlines and Delta Air Lines. With 56 weekly departures, this is a heavily served route.
IAD to STL Flight Duration and Schedule
Nonstop flight time from IAD to STL is about 2 hours 27 minutes gate to gate. The route covers a distance of 695 miles (1,118 km). There are approximately 56 weekly flights outbound and 36 return, totaling 92 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Pittsburgh, Detroit Metropolitan Wayne County and Charlotte Douglas. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Charlottesville (CHO).