Flight St. Louis(STL) to Dulles(IAD)
CHANGE DIRECTION
| St. Louis Lambert International Airport | Washington Dulles International Airport |
|---|---|
| STL : St. Louis , United States | IAD : Washington, D.C. , United States |
| UTC-5(DST) | UTC-4(DST) |
St. Louis to Dulles Flight Schedule(September 20, 2025)
Flight from St. Louis(STL) to Dulles(IAD) is operated by 1 airline : United Airlines (UA). You can check flight schedules, flight duration, and aircraft types.
Change Direction(IAD to STL)St. Louis (STL) to Washington, D.C./Dulles (IAD) Flight Schedule
LastUpdate : 2025/09/01 06:00
Flight Schedule on September 20, 2025 , Direct flight departure from St. Louis with all airlines , flight number, flight duration, aircraft type.
September 2025
| Flight Number / Airline | Departure Time | Arrival Time | Flight Duration | Operating Days | Aircraft Type | Airfare / Tickets |
|---|---|---|---|---|---|---|
|
UA4506
United Airlines |
08:15 | 11:25 | 2h10m |
-----S- (Sep 20)
|
CRJ-550 (Op. G7) | Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES |
| Codeshare flight ▼ | ||||||
|
UA4454
United Airlines |
13:10 | 16:20 | 2h10m |
-----S- (Sep 20)
|
CRJ-550 (Op. G7) | Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES |
| Codeshare flight ▼ | ||||||
Flight schedules as of September 01, 2025, 06:00 AM(OAG data). Schedules may change without notice, so please check with airlines before booking. Refer to FlyTeam's terms of use before proceeding. Some airlines and flight numbers may not be displayed.
FAQ : St. Louis to Washington, D.C./Dulles
- How many airlines fly from St. Louis to Washington, D.C. ?
- As of September 20, 2025, 1 airline operate direct flights from St. Louis (STL) to Washington, D.C./Dulles (IAD) : United Airlines.
- How far is it from St. Louis to Washington, D.C.?
- The distance between St. Louis (STL) to Washington, D.C./Dulles (IAD) is approximately 690 miles(1,120km) by air.
- What is the time difference between St. Louis to Washington, D.C.?
- The time difference between St. Louis Lambert International Airport(St. Louis) and Washington Dulles International Airport(Washington, D.C.) is +1 hour. Washington, D.C. is 1 hour ahead of St. Louis.St. Louis is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.Washington, D.C. is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.