STLIAD
St. Louis (St. Louis Lambert International Airport) to Washington (Washington Dulles International Airport).
Flight time from STL to IAD is estimated at about 2h 1m, based on the 694-mile great-circle distance. Our current captured departure sample includes 2/day across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 08:43 to 12:55 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~2h 1m Estimated from great-circle distance — no tracked flights yet. | 694 mi | 2/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for STL to IAD
Our current provider sample includes 2/day from STL to IAD across 1 captured airline. Captured departure terminal data is available for 1.
- First departure
- 08:43
- Last departure
- 12:55
- Cadence
- 2 departures/day
- Captured departures/day
- 2
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 2/day | Canadair Regional Jet, Bombardier CRJ · Terminal 1 | 08:4312:55 |
Aircraft on this route
Flying the other way?
IAD to STL flights — 2/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to IAD. Frequency uses 14 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from STL to IAD?
The STL to IAD flight time is estimated at about 2h 1m from great-circle distance until enough tracked flights are available.
How far is STL from IAD?
STL to IAD is about 694 miles by air.
Which airlines fly from STL to IAD?
Our current provider sample for STL to IAD includes United Airlines. Confirm live timetables before booking.
What aircraft fly from STL to IAD?
Aircraft captured in our current provider sample for STL to IAD include Canadair Regional Jet, Bombardier CRJ.