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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: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
United
United
STL
2:18p
IAD
4:20p
2h 02m
nonstop
IAD
8:30a
STL
10:46a
2h 16m
nonstop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 2015 Trip spans 2 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
8:30a
STL
10:46a
2h 16m
nonstop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
8:36a
STL
10:52a
2h 16m
nonstop
Depart: Sat Apr 18 2015 Return: Tue Apr 21 2015 Trip spans 4 days
United
United
STL
2:18p
IAD
4:20p
2h 02m
nonstop
IAD
4:16a
STL
6:30a
2h 14m
nonstop
Depart: Tue Apr 21 2015 Return: Tue Apr 28 2015 Trip spans 8 days
United
United
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Wed Apr 22 2015 Return: Tue Apr 28 2015 Trip spans 7 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
United
United
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Tue Apr 28 2015 Return: Sat May 2 2015 Trip spans 5 days
United
United
STL
9:25a
IAD
11:25a
2h 00m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Wed Apr 29 2015 Return: Sat May 2 2015 Trip spans 4 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Sat May 2 2015 Return: Tue May 5 2015 Trip spans 4 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
8:31a
STL
10:47a
2h 16m
nonstop
Depart: Tue May 12 2015 Return: Tue May 19 2015 Trip spans 8 days
United
United
STL
10:15a
IAD
12:20p
2h 05m
nonstop
IAD
6:05p
STL
8:20p
2h 15m
nonstop
Depart: Tue May 19 2015 Return: Tue May 26 2015 Trip spans 8 days
United
United
STL
2:42p
IAD
4:45p
2h 03m
nonstop
IAD
6:05p
STL
8:20p
2h 15m
nonstop
Depart: Wed May 20 2015 Return: Tue May 26 2015 Trip spans 7 days
United
United
STL
4:52a
IAD
6:55a
2h 03m
nonstop
IAD
6:05p
STL
8:20p
2h 15m
nonstop
Depart: Sat May 23 2015 Return: Tue May 26 2015 Trip spans 4 days
United
United
STL
2:42p
IAD
4:44p
2h 02m
nonstop
IAD
6:05p
STL
8:20p
2h 15m
nonstop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
4:25a
STL
6:48a
2h 23m
nonstop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
United
United
STL
8:30a
IAD
10:38a
2h 08m
nonstop
IAD
12:45p
STL
3:00p
2h 15m
nonstop
Depart: Mon Apr 20 2015 Return: Wed Apr 22 2015 Trip spans 3 days
United
United
STL
2:36p
IAD
4:38p
2h 02m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Thu Apr 23 2015 Return: Tue Apr 28 2015 Trip spans 6 days
United
United
STL
7:02a
IAD
9:05a
2h 03m
nonstop
IAD
6:00p
STL
8:10p
2h 10m
nonstop
Depart: Mon May 18 2015 Return: Wed May 27 2015 Trip spans 10 days
US Airways
US Airways
STL
2:15p
IAD
6:29p
4h 14m
1 stop
IAD
7:04a
STL
12:37p
5h 33m
1 stop
Depart: Thu Apr 9 2015 Return: Tue May 12 2015 Trip spans 34 days
Delta
Delta
STL
2:35a
IAD
6:52a
4h 17m
1 stop
IAD
9:31a
STL
2:48p
5h 17m
1 stop
Direct flights STL to IAD on United
Flight # Depart STL Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
5281 5:00 am 7:50 am Apr 15 - Apr 15
3361 8:35 am 11:32 am Apr 3 - Apr 6
3411 8:35 am 11:32 am Apr 5 - Apr 5
3361 8:51 am 11:50 am Apr 11 - Apr 18
3361 8:51 am 11:50 am Apr 22 - May 5
3361 8:51 am 11:50 am Apr 25 - May 2
3361 8:51 am 11:50 am Apr 15 - Apr 15
3361 8:51 am 11:50 am Apr 7 - Apr 21
3361 8:51 am 11:50 am Apr 8 - Apr 8
3342 8:52 am 11:55 am May 6 - May 22
3387 10:51 am 1:54 pm May 6 - May 22
3387 10:52 am 1:55 pm May 5 - May 5
3387 11:02 am 2:05 pm Apr 7 - Apr 21
3387 11:02 am 2:05 pm Apr 22 - Apr 22
3387 11:02 am 2:05 pm Apr 23 - Apr 23
3387 11:02 am 2:05 pm Apr 24 - Apr 30
3387 11:02 am 2:05 pm May 1 - May 1
3387 11:02 am 2:05 pm May 3 - May 4
3420 11:11 am 2:11 pm Apr 5 - Apr 5
3420 11:11 am 2:11 pm Apr 3 - Apr 6
3370 1:25 pm 4:25 pm Apr 14 - May 5
3370 1:25 pm 4:25 pm Apr 7 - Apr 7
3370 1:25 pm 4:25 pm Apr 9 - May 4
3370 1:25 pm 4:25 pm Apr 11 - May 2
3370 1:25 pm 4:25 pm Apr 8 - Apr 8
3370 1:25 pm 4:25 pm Apr 12 - May 3
3360 2:15 pm 5:20 pm May 6 - May 6
3370 2:23 pm 5:20 pm Mar 29 - Apr 6
3411 6:18 pm 9:20 pm Apr 11 - Apr 25
3411 6:36 pm 9:38 pm May 2 - May 5
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 30 - Apr 6
3432 6:38 pm 9:31 pm Mar 29 - Apr 5
3411 6:42 pm 9:45 pm May 6 - May 22
Airports
Origin

St Louis
$295
Destination

Washington
$295