IADSTL
Washington (Washington Dulles International Airport) to St. Louis (St. Louis Lambert International Airport).
Flight time from IAD to STL 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 09:00 to 17:55 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 IAD to STL
Our current provider sample includes 2/day from IAD to STL across 1 captured airline.
- First departure
- 09:00
- Last departure
- 17:55
- Cadence
- 2 departures/day
- Captured departures/day
- 2
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 2/day | Canadair Regional Jet, Bombardier CRJ | 09:0017:55 |
Aircraft on this route
Flying the other way?
STL to IAD flights — 2/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to STL. 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 IAD to STL?
The IAD to STL flight time is estimated at about 2h 1m from great-circle distance until enough tracked flights are available.
How far is IAD from STL?
IAD to STL is about 694 miles by air.
Which airlines fly from IAD to STL?
Our current provider sample for IAD to STL includes United Airlines. Confirm live timetables before booking.
What aircraft fly from IAD to STL?
Aircraft captured in our current provider sample for IAD to STL include Canadair Regional Jet, Bombardier CRJ.