Flight Dulles(IAD) to St. Louis(STL)
CHANGE DIRECTION
| Washington Dulles International Airport | St. Louis Lambert International Airport |
|---|---|
| IAD : Washington, D.C. , United States | STL : St. Louis , United States |
| UTC-4(DST) | UTC-5(DST) |
Dulles to St. Louis Flight Schedule(September 2025)
Flight from Dulles(IAD) to St. Louis(STL) is operated by 1 airline : United Airlines (UA). You can check flight schedules, flight duration, and aircraft types.
Change Direction(STL to IAD)Washington, D.C./Dulles (IAD) to St. Louis (STL) Flight Schedule
LastUpdate : 2025/09/01 06:00
Flight Schedule on September 2025 , Direct flight departure from Dulles 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 |
|---|---|---|---|---|---|---|
|
UA4427
United Airlines |
08:40 | 10:02 | 2h22m |
Daily (Sep 1–8, Sep 10–15, Sep 17–22, Sep 24–26, Sep 28–29)
|
CRJ-550 (Op. G7) | Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES |
| Codeshare flight ▼ | ||||||
|
UA4527
United Airlines |
17:35 | 18:59 | 2h24m |
Daily (Sep 1–24)
|
CRJ-550 (Op. G7) | Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES |
| 17:45 | 19:09 | 2h24m |
MT-TFSS (Sep 25–30)
|
CRJ-550 (Op. G7) | ||
| 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 : Washington, D.C./Dulles to St. Louis
- How many airlines fly from Washington, D.C. to St. Louis ?
- As of September 2025, 1 airline operate direct flights from Washington, D.C./Dulles (IAD) to St. Louis (STL) : United Airlines.
- How far is it from Washington, D.C. to St. Louis?
- The distance between Washington, D.C./Dulles (IAD) to St. Louis (STL) is approximately 690 miles(1,120km) by air.
- What is the time difference between Washington, D.C. to St. Louis?
- The time difference between Washington Dulles International Airport(Washington, D.C.) and St. Louis Lambert International Airport(St. Louis) is -1 hour. St. Louis is 1 hour behind Washington, D.C..Washington, D.C. is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.St. Louis is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.