All airlines flying from Washington Dulles (IAD) to Saint Louis (STL).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Wed
09:00
Washington Dulles (IAD)
10:36
Saint Louis (STL) 1 United Airlines UA 3435 Non-stop Embraer EMB 175 (E7W) 2:36 Operates only on 2026-02-04 |
| Daily
08:20
Washington Dulles (IAD)
09:48
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective from 2026-05-21 |
| Daily
08:35
Washington Dulles (IAD)
10:08
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:33 Valid until 2026-01-05 |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-01-06 through 2026-02-03 |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-02-05 through 2026-03-04 |
| Daily
08:55
Washington Dulles (IAD)
10:27
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-05 through 2026-03-28 |
| Daily
08:55
Washington Dulles (IAD)
10:23
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-03-29 through 2026-04-29 |
| Daily
09:00
Washington Dulles (IAD)
10:28
Saint Louis (STL) 1 United Airlines UA 4427 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-04-30 through 2026-05-20 |
| Tue
11:10
Washington Dulles (IAD)
12:37
Saint Louis (STL) 1 United Airlines UA 4429 Non-stop Canadair CRJ 550 (CR5) 2:27 Operates only on 2026-01-06 |
| Daily
17:10
Washington Dulles (IAD)
18:33
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:23 Effective from 2026-05-21 |
| Daily
17:35
Washington Dulles (IAD)
19:13
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-03-05 through 2026-03-28 |
| Daily
17:35
Washington Dulles (IAD)
19:07
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-29 through 2026-04-29 |
| Daily
17:45
Washington Dulles (IAD)
19:17
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-04-30 through 2026-05-20 |
| Daily
17:50
Washington Dulles (IAD)
19:22
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:32 Valid until 2026-01-05 |
| Daily
17:50
Washington Dulles (IAD)
19:27
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:37 Effective 2026-01-06 through 2026-02-11 |
| Daily
18:45
Washington Dulles (IAD)
20:23
Saint Louis (STL) 1 United Airlines UA 4527 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-02-12 through 2026-03-04 |
| Direct Codeshare Flights: |
| Daily
17:10
Washington Dulles (IAD)
18:33
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:23 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:35
Washington Dulles (IAD)
19:13
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:35
Washington Dulles (IAD)
19:07
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:45
Washington Dulles (IAD)
19:17
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:50
Washington Dulles (IAD)
19:22
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:32 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:50
Washington Dulles (IAD)
19:27
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:37 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
18:45
Washington Dulles (IAD)
20:23
Saint Louis (STL) 1 Avianca AV 2342 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
08:20
Washington Dulles (IAD)
09:48
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:35
Washington Dulles (IAD)
10:08
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:33 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-01-06 through 2026-02-03 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-02-05 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:55
Washington Dulles (IAD)
10:27
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:55
Washington Dulles (IAD)
10:23
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4427) |
| Wed
09:00
Washington Dulles (IAD)
10:36
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Embraer EMB 175 (E7W) 2:36 Operates only on 2026-02-04 Codeshare flight, operated by United Airlines.(UA 3435) |
| Daily
09:00
Washington Dulles (IAD)
10:28
Saint Louis (STL) 1 Avianca AV 2344 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
17:10
Washington Dulles (IAD)
18:33
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:23 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4527Z) |
| Daily
17:35
Washington Dulles (IAD)
19:13
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:35
Washington Dulles (IAD)
19:07
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:45
Washington Dulles (IAD)
19:17
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:50
Washington Dulles (IAD)
19:22
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:32 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:50
Washington Dulles (IAD)
19:27
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:37 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
18:45
Washington Dulles (IAD)
20:23
Saint Louis (STL) 1 Copa Airlines CM 2678 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
08:20
Washington Dulles (IAD)
09:48
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:35
Washington Dulles (IAD)
10:08
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:33 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-01-06 through 2026-02-03 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:40
Washington Dulles (IAD)
10:13
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:33 Effective 2026-02-05 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:55
Washington Dulles (IAD)
10:27
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
08:55
Washington Dulles (IAD)
10:23
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4427) |
| Wed
09:00
Washington Dulles (IAD)
10:36
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Embraer EMB 175 (E7W) 2:36 Operates only on 2026-02-04 Codeshare flight, operated by United Airlines.(UA 3435) |
| Daily
09:00
Washington Dulles (IAD)
10:28
Saint Louis (STL) 1 Copa Airlines CM 2679 Non-stop Canadair CRJ 550 (CR5) 2:28 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4427) |
| Daily
17:10
Washington Dulles (IAD)
18:33
Saint Louis (STL) 1 Brussels Airlines SN 9012 Non-stop Canadair CRJ 550 (CR5) 2:23 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:35
Washington Dulles (IAD)
19:13
Saint Louis (STL) 1 Brussels Airlines SN 9012 Non-stop Canadair CRJ 550 (CR5) 2:38 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:35
Washington Dulles (IAD)
19:07
Saint Louis (STL) 1 Brussels Airlines SN 9012 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4527) |
| Daily
17:45
Washington Dulles (IAD)
19:17
Saint Louis (STL) 1 Brussels Airlines SN 9012 Non-stop Canadair CRJ 550 (CR5) 2:32 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 4527) |
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Parallax here IAD-STL
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- A domestic route departing from the Washington Dulles airport (IAD) and arriving at Saint Louis airport (STL).
- The flight distance is 694 miles, or 1117 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 2:23 and 2:38.
