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Find Flight Deals from Lambert-St Louis to Washington Dulles Intl (STL - IAD)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Lambert-St Louis to Washington Dulles Intl

(Round-trip)
Depart: Mon Apr 13 2015 Return: Tue Apr 14 2015 Trip spans 2 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Tue Apr 14 2015 Return: Thu Apr 16 2015 Trip spans 3 days
United
United
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
12:45p
STL
3:06p
2h 21m
nonstop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
8:40a
STL
10:56a
2h 16m
nonstop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 2015 Trip spans 4 days
United
United
STL
4:51a
IAD
6:50a
1h 59m
nonstop
IAD
4:16a
STL
6:30a
2h 14m
nonstop
Depart: Mon Apr 20 2015 Return: Thu Apr 23 2015 Trip spans 4 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
4:16a
STL
6:30a
2h 14m
nonstop
Depart: Tue Apr 21 2015 Return: Fri Apr 24 2015 Trip spans 4 days
United
United
STL
4:51a
IAD
6:50a
1h 59m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Wed Apr 22 2015 Return: Fri Apr 24 2015 Trip spans 3 days
United
United
STL
4:51a
IAD
6:50a
1h 59m
nonstop
IAD
4:16a
STL
6:30a
2h 14m
nonstop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Fri Apr 24 2015 Return: Sun May 10 2015 Trip spans 17 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
4:16a
STL
6:31a
2h 15m
nonstop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
United
United
STL
2:18p
IAD
4:20p
2h 02m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Mon Apr 27 2015 Return: Thu Apr 30 2015 Trip spans 4 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Tue Apr 28 2015 Return: Fri May 1 2015 Trip spans 4 days
United
United
STL
4:51a
IAD
6:50a
1h 59m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Thu Apr 30 2015 Return: Mon May 4 2015 Trip spans 5 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
United
United
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
8:40a
STL
10:56a
2h 16m
nonstop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
4:16a
STL
6:30a
2h 14m
nonstop
Depart: Wed May 6 2015 Return: Tue May 12 2015 Trip spans 7 days
United
United
STL
4:52a
IAD
6:55a
2h 03m
nonstop
IAD
4:16a
STL
6:31a
2h 15m
nonstop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
STL
5:25a
IAD
10:47a
5h 22m
1 stop
IAD
4:16a
STL
6:31a
2h 15m
nonstop
Depart: Sun Apr 19 2015 Return: Sat Apr 25 2015 Trip spans 7 days
Delta
Delta
STL
12:31p
IAD
4:12p
3h 41m
1 stop
IAD
5:54a
STL
10:00a
4h 06m
1 stop
Depart: Thu Jul 23 2015 Return: Tue Jul 28 2015 Trip spans 6 days
US Airways
US Airways
STL
3:50a
IAD
8:01a
4h 11m
1 stop
IAD
9:36a
STL
4:13p
6h 37m
1 stop
Direct flights STL to IAD on United
Flight # Depart STL Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
3361 8:35 am 11:32 am Mar 26 - Apr 6
3361 8:35 am 11:32 am Mar 9 - Mar 16
3361 8:35 am 11:32 am Mar 19 - Mar 25
3361 8:35 am 11:32 am Mar 17 - Mar 24
3411 8:35 am 11:32 am Apr 5 - Apr 5
3411 8:35 am 11:32 am Apr 4 - Apr 4
3411 8:35 am 11:32 am Mar 8 - Mar 29
5279 8:35 am 11:32 am Mar 18 - Mar 18
5279 8:35 am 11:32 am Apr 1 - Apr 1
3361 8:51 am 11:50 am Apr 7 - Apr 14
3361 8:51 am 11:50 am Apr 11 - Apr 18
3387 11:02 am 2:05 pm Apr 7 - Apr 21
3420 11:11 am 2:11 pm Mar 17 - Mar 17
3420 11:11 am 2:11 pm Mar 12 - Mar 13
3420 11:11 am 2:11 pm Mar 16 - Mar 23
3420 11:11 am 2:11 pm Mar 19 - Mar 19
3420 11:11 am 2:11 pm Mar 18 - Mar 18
3420 11:11 am 2:11 pm Apr 1 - Apr 1
3420 11:11 am 2:11 pm Apr 6 - Apr 6
3420 11:11 am 2:11 pm Mar 29 - Apr 3
3420 11:11 am 2:11 pm Mar 25 - Mar 25
3420 11:11 am 2:11 pm Mar 14 - Mar 14
3420 11:11 am 2:11 pm Mar 31 - Apr 5
3420 11:11 am 2:11 pm Mar 24 - Mar 24
3420 11:11 am 2:11 pm Mar 20 - Mar 27
3420 11:30 am 2:30 pm Mar 28 - Mar 28
3420 11:30 am 2:30 pm Mar 21 - Mar 21
3420 11:55 am 2:55 pm Mar 15 - Mar 22
3420 1:00 pm 3:57 pm Apr 4 - Apr 4
3370 1:25 pm 4:25 pm Apr 11 - May 2
3370 1:25 pm 4:25 pm Apr 12 - May 3
3370 1:25 pm 4:25 pm Apr 8 - May 4
3370 1:25 pm 4:25 pm Apr 7 - Apr 7
3370 2:23 pm 5:20 pm Mar 29 - Apr 6
3370 2:23 pm 5:20 pm Mar 10 - Mar 27
3411 6:18 pm 9:20 pm Apr 11 - Apr 25
3349 6:25 pm 9:18 pm Mar 14 - Mar 21
3349 6:25 pm 9:18 pm Mar 28 - Mar 28
3411 6:36 pm 9:38 pm Apr 7 - May 1
3411 6:37 pm 9:39 pm Apr 12 - May 3
3411 6:38 pm 9:31 pm Mar 24 - Mar 27
3411 6:38 pm 9:31 pm Mar 11 - Mar 20
3411 6:38 pm 9:31 pm Apr 1 - Apr 6
3411 6:38 pm 9:31 pm Mar 9 - Mar 30
3432 6:38 pm 9:31 pm Mar 29 - Apr 5
3432 6:38 pm 9:31 pm Mar 15 - Mar 22
3432 6:38 pm 9:31 pm Mar 31 - Mar 31
3432 6:38 pm 9:31 pm Mar 17 - Mar 17
Airports
Origin

St Louis
$277
Destination

Washington
$277