Airlines with flights from Dulles to Saint Louis
There are four airlines with scheduled flights between IAD and STL. United is the only airline with non-stop flights from Washington Dulles Airport to Saint Louis Airport and the flight time is 2 hours and 26 minutes.
There are four airlines with scheduled flights between IAD and STL. United is the only airline with non-stop flights from Washington Dulles Airport to Saint Louis Airport and the flight time is 2 hours and 26 minutes. Choose airline
Direct
Non-stop
2h 26min
Via Charlotte
4h 2min
Via Detroit
4h 11min
Via Chicago
4h 21min
Via Atlanta
4h 27min
Via Atlanta
5h 11min
Via New York
5h 44min
Via New York
5h 24min
NEW
Starts 11/08
Via Norfolk
8h 17min
Schedules
Non-stop with United Airlines
-
Total flight time: 2 hours and 26 minutes
-
Dulles is a United Airlines hub (Secondary hub).
-
14 flights per week
-
Canadair (Bombardier) Regional Jet 550
-
First class available
IAD
Direct
STL
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA4425
09:00
09:00
09:00
09:00
09:00
09:00
09:00
UA4527
17:55
17:55
17:55
17:55
17:55
17:55
17:55
The timetable & schedule information was updated at 2026-04-22
Via Charlotte with American Airlines
-
Total flight time: 4h 02m - 6h 50m.
-
One World Alliance
-
174 flights per week
IAD
Via CLT
STL
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA5054
AA2733
AA2733
05:03
05:03
----
----
----
----
----
AA3169
AA2497
AA2497
----
----
----
05:08
----
----
05:08
AA2620
AA2967
AA2967
----
----
06:10
----
06:10
----
----
AA1216
AA2717
AA2717
06:33
06:33
----
----
----
----
----
AA3313
AA3096
AA3096
----
----
07:57
----
07:57
----
----
AA5220
AA2731
AA2731
13:08
13:08
----
----
----
----
----
AA5154
AA2967
AA2967
----
----
----
13:23
----
13:23
13:23
AA5447
AA459
AA459
----
----
17:34
18:24
17:34
18:24
18:24
AA1450
AA459
AA459
20:22
20:22
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-22
Via Detroit with Delta Air Lines
-
Total flight time: 4h 11m - 4h 48m.
-
Sky Team Alliance
-
77 flights per week
IAD
Via DTW
STL
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL3826
DL2868
DL2868
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL3787
DL1541
DL1541
----
----
----
----
----
17:21
----
DL1787
DL1541
DL1541
17:26
17:26
17:26
17:26
17:26
----
17:26
The timetable & schedule information was updated at 2026-04-22
Via Chicago with United Airlines
-
Total flight time: 4h 21m - 6h 45m.
-
Dulles is a United Airlines hub (Secondary hub).
-
136 flights per week
-
Canadair (Bombardier) Regional Jet 550
IAD
Via ORD
STL
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA2070
UA4613
UA4613
06:10
06:10
06:10
06:10
06:10
06:10
06:10
UA1775
UA1355
UA1355
08:15
08:15
08:15
08:15
08:15
08:15
08:15
UA1252
UA4581
UA4581
10:31
10:31
10:31
10:31
10:31
----
10:23
UA1252
UA5379
UA5379
----
----
----
----
----
10:37
----
UA2331
UA4416
UA4416
13:25
13:25
13:25
13:25
13:25
13:25
13:25
UA1393
UA4412
UA4412
15:30
15:30
15:30
15:30
15:30
15:30
15:30
UA2497
UA2144
UA2144
17:38
17:38
----
17:38
17:38
17:38
17:38
UA2497
UA2471
UA2471
----
----
17:38
----
----
----
----
The timetable & schedule information was updated at 2026-04-22
Via Atlanta with Delta Air Lines
-
Total flight time: 4h 27m - 6h 56m.
-
Sky Team Alliance
-
164 flights per week
IAD
Via ATL
STL
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL2127
DL1400
DL1400
06:00
06:00
06:00
06:00
06:00
----
06:00
DL1354
DL566
DL566
08:27
08:27
08:27
08:27
08:27
----
08:27
DL2127
DL566
DL566
----
----
----
----
----
08:27
----
DL1324
DL2700
DL2700
10:21
10:21
10:21
10:21
10:21
10:58
10:21
DL1444
DL543
DL543
12:37
12:37
12:37
12:37
12:37
12:47
12:39
DL1695
DL2833
DL2833
17:46
----
17:46
17:46
17:46
18:07
17:46
DL2902
DL1403
DL1403
19:21
19:21
19:21
19:21
19:21
----
19:21
The timetable & schedule information was updated at 2026-04-22
Via Atlanta with Frontier