United Airlines flights from Saint Louis (STL) to Dulles, Washington (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 13:00 Saint Louis (STL) 1 16:06 Dulles, Washington (IAD)
United Airlines UA 4454 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective from 2025-01-07
Daily 13:05 Saint Louis (STL) 1 16:13 Dulles, Washington (IAD)
United Airlines UA 4454 Non-stop Canadair CRJ 550 (CR5) 2:08 Effective 2024-12-19 through 2025-01-06
Daily 13:10 Saint Louis (STL) 1 16:17 Dulles, Washington (IAD)
United Airlines UA 4454 Non-stop Canadair CRJ 550 (CR5) 2:07 Effective 2024-09-26 through 2024-10-26
Daily 13:10 Saint Louis (STL) 1 16:18 Dulles, Washington (IAD)
United Airlines UA 4454 Non-stop Canadair CRJ 550 (CR5) 2:08 Effective 2024-10-27 through 2024-12-18
Daily 13:15 Saint Louis (STL) 1 16:23 Dulles, Washington (IAD)
United Airlines UA 4454 Non-stop Canadair CRJ 550 (CR5) 2:08 Valid until 2024-09-25
Daily 08:25 Saint Louis (STL) 1 11:33 Dulles, Washington (IAD)
United Airlines UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:08 Valid until 2024-09-25
Daily 08:25 Saint Louis (STL) 1 11:34 Dulles, Washington (IAD)
United Airlines UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:09 Effective 2024-09-26 through 2024-10-26
Daily 08:25 Saint Louis (STL) 1 11:36 Dulles, Washington (IAD)
United Airlines UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:11 Effective 2024-10-27 through 2024-12-18
Daily 08:25 Saint Louis (STL) 1 11:43 Dulles, Washington (IAD)
United Airlines UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:18 Effective 2024-12-19 through 2025-01-06
Daily 08:25 Saint Louis (STL) 1 11:31 Dulles, Washington (IAD)
United Airlines UA 4506 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective from 2025-01-07
Non-Direct Flights:
Tue 17:18 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:57 Valid until 2024-09-24
The flight arrives 1 day after departure.
Wed,Fri,Sun 17:18 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Airbus A319 (319) 5:57 Valid until 2024-09-01
The flight arrives 1 day after departure.
Mon,Thu,Sat 17:20 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:55 Valid until 2024-09-02
The flight arrives 1 day after departure.
Mon,Wed-Sun 17:20 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:55 Effective 2024-09-04 through 2024-09-12
The flight arrives 1 day after departure.
Fri 17:20 Saint Louis (STL) 1 00:17 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:57 Effective 2024-09-13 through 2024-09-20
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat,Sun 17:20 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:55 Effective 2024-09-14 through 2024-09-19
The flight arrives 1 day after departure.
Sat 17:20 Saint Louis (STL) 1 00:31 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 6:11 Operates only on 2024-09-21
The flight arrives 1 day after departure.
Mon,Wed,Sun 17:20 Saint Louis (STL) 1 00:15 Dulles, Washington (IAD)
United Airlines UA 1729 1-stop Boeing 737-700 (73G) 5:55 Effective 2024-09-22 through 2024-09-25
The flight arrives 1 day after departure.




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United Airlines flights from Saint Louis (STL) to Dulles, Washington (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4454
13:00
Saint Louis (STL) 1

16:06
Dulles, Washington (IAD)
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4454
13:05
Saint Louis (STL) 1

16:13
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4454
13:10
Saint Louis (STL) 1

16:17
Dulles, Washington (IAD)
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:07, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4454
13:10
Saint Louis (STL) 1

16:18
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4454
13:15
Saint Louis (STL) 1

16:23
Dulles, Washington (IAD)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:33
Dulles, Washington (IAD)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:34
Dulles, Washington (IAD)
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:36
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:43
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4506
08:25
Saint Louis (STL) 1

11:31
Dulles, Washington (IAD)
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)
Non-Direct Flights:
United Airlines UA1729
17:18
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Valid until 2024-09-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:57, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:18
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Valid until 2024-09-01
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 5:57, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 5:55, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Effective 2024-09-04 through 2024-09-12
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 5:55, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:17(+1)
Dulles, Washington (IAD)
Effective 2024-09-13 through 2024-09-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:57, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Effective 2024-09-14 through 2024-09-19
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:55, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:31(+1)
Dulles, Washington (IAD)
Operates only on 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:11, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
United Airlines UA1729
17:20
Saint Louis (STL) 1

00:15(+1)
Dulles, Washington (IAD)
Effective 2024-09-22 through 2024-09-25
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, 1-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
  • A domestic route departing from the Saint Louis airport (STL) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 694 miles, or 1117 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:06 and 2:18.
All STL-IAD flights
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