Airlines with flights from Saint Louis to Dulles
There are four airlines with scheduled flights between STL and IAD. United is the only airline with non-stop flights from Saint Louis Airport to Washington Dulles Airport and the flight time is 2 hours and 6 minutes.
There are four airlines with scheduled flights between STL and IAD. United is the only airline with non-stop flights from Saint Louis Airport to Washington Dulles Airport and the flight time is 2 hours and 6 minutes. Choose airline
Direct
Non-stop
2h 6min
Via Detroit
3h 41min
Via Atlanta
3h 57min
Via Chicago
4h 3min
Via Charlotte
4h 4min
Via Atlanta
4h 42min
Via New York
4h 49min
NEW
Via Charleston
7h 40min
NEW
Via Roanoke
7h 54min
Schedules
Non-stop with United Airlines
-
Total flight time: 2 hours and 6 minutes
-
Dulles is a United Airlines hub (Secondary hub).
-
14 flights per week
-
Canadair (Bombardier) Regional Jet 550
-
First class available
STL
Direct
IAD
W31, Jul 27 - Aug 02
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
UA4506
08:43
08:43
08:43
08:43
08:43
08:43
08:43
UA4454
12:55
12:55
12:55
12:55
12:55
12:55
12:55
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
-
Total flight time: 3h 41m - 5h 35m.
-
Sky Team Alliance
-
67 flights per week
STL
Via DTW
IAD
W31, Jul 27 - Aug 02
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL2868
DL1787
DL1787
10:19
10:19
10:19
10:19
10:19
----
10:19
DL2868
DL3787
DL3787
----
----
----
----
----
10:19
----
DL2822
DL3988
DL3988
18:04
18:04
18:04
18:04
18:04
18:04
18:04
The timetable & schedule information was updated at 2026-04-21
Via Atlanta with Delta Air Lines
-
Total flight time: 3h 57m - 6h 25m.
-
Sky Team Alliance
-
171 flights per week
STL
Via ATL
IAD
W31, Jul 27 - Aug 02
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL1524
DL1444
DL1444
06:00
06:00
06:00
06:00
06:00
06:00
06:00
DL1536
DL2135
DL2135
07:08
07:08
07:08
07:08
07:08
08:00
07:08
DL1571
DL1695
DL1695
09:24
09:24
09:24
09:24
09:24
----
09:24
DL1400
DL1695
DL1695
10:51
10:51
10:51
10:51
10:51
----
10:51
DL566
DL2902
DL2902
----
----
----
----
----
13:15
----
DL2700
DL1309
DL1309
15:40
15:40
15:40
15:40
15:40
----
15:40
DL543
DL2549
DL2549
17:19
17:19
17:19
17:19
17:19
----
17:19
DL1393
DL2549
DL2549
18:58
----
18:58
18:58
18:58
19:03
18:58
The timetable & schedule information was updated at 2026-04-21
Via Chicago with United Airlines
-
Total flight time: 4h 03m - 6h 37m.
-
Dulles is a United Airlines hub (Secondary hub).
-
219 flights per week
-
Canadair (Bombardier) Regional Jet 550
STL
Via ORD
IAD
W31, Jul 27 - Aug 02
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
UA2805
UA2277
UA2277
06:00
06:00
06:00
06:00
06:00
06:00
06:00
UA4423
UA1869
UA1869
07:22
07:22
07:22
07:22
07:22
07:22
07:22
UA4183
UA1869
UA1869
08:00
----
08:00
08:00
08:00
08:00
08:00
UA5572
UA293
UA293
09:23
09:23
09:23
09:23
09:23
09:23
09:23
UA4517
UA293
UA293
10:20
10:20
10:20
10:20
10:20
10:20
10:20
UA4395
UA2437
UA2437
11:25
11:25
11:25
11:25
11:25
11:25
11:25
UA1382
UA2437
UA2437
13:13
13:13
13:13
13:13
13:13
13:13
13:13
UA4536
UA2202
UA2202
15:10
15:10
15:10
15:10
15:10
----
15:10
UA5526
UA2202
UA2202
----
----
----
----
----
15:10
----
UA1639
UA2766
UA2766
17:33
17:33
17:33
17:33
17:33
17:33
17:33
UA4616
UA2766
UA2766
18:48
18:48
18:48
18:48
18:48
18:48
18:48
The timetable & schedule information was updated at 2026-04-21
Via Charlotte with American Airlines
-
Total flight time: 4h 04m - 6h 22m.
-
One World Alliance
-
199 flights per week
STL
Via CLT
IAD
W31, Jul 27 - Aug 02
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AA712
AA5220
AA5220
07:31
07:31
07:31
07:31
07:31
07:31
07:31
AA2717
AA1450
AA1450
12:35
12:40
12:40
12:35
12:35
12:35
12:35
AA2731
AA1242
AA1242
18:12
18:12
18:12
18:12
18:12
18:12
18:12
The timetable & schedule information was updated at 2026-04-21
Via Atlanta with Frontier