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Find Flight Deals from Washington to Lambert-St Louis (WAS - STL)

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

Book cheap flights from Washington to Lambert-St Louis

(Round-trip)
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DCA
5:59a
STL
8:12a
2h 13m
nonstop
STL
2:30p
DCA
4:23p
1h 53m
nonstop
Depart: Sat Mar 7 2015 Return: Mon Mar 9 2015 Trip spans 2 days
United
United
IAD
12:05p
STL
2:28p
2h 23m
nonstop
STL
10:23a
IAD
12:20p
1h 57m
nonstop
Depart: Tue Mar 10 2015 Return: Tue Mar 17 2015 Trip spans 8 days
American Airlines
American Airlines
DCA
9:59a
STL
12:18p
2h 19m
nonstop
STL
2:30p
DCA
4:24p
1h 54m
nonstop
Depart: Tue Mar 17 2015 Return: Mon Mar 23 2015 Trip spans 7 days
US Airways
US Airways
DCA
4:30a
STL
6:48a
2h 18m
nonstop
STL
2:30p
DCA
4:24p
1h 54m
nonstop
Depart: Mon Mar 9 2015 Return: Tue Mar 10 2015 Trip spans 2 days
United
United
IAD
6:06p
STL
8:29p
2h 23m
nonstop
STL
2:38p
IAD
4:31p
1h 53m
nonstop
Depart: Fri Mar 13 2015 Return: Mon Mar 16 2015 Trip spans 4 days
United
United
IAD
6:06p
STL
8:29p
2h 23m
nonstop
STL
2:38p
IAD
4:31p
1h 53m
nonstop
Depart: Sat Mar 14 2015 Return: Mon Mar 16 2015 Trip spans 3 days
United
United
IAD
4:10a
STL
6:33a
2h 23m
nonstop
STL
10:23a
IAD
12:20p
1h 57m
nonstop
Depart: Mon Mar 16 2015 Return: Tue Mar 17 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
12:25p
STL
2:43p
2h 18m
nonstop
STL
12:05p
DCA
2:00p
1h 55m
nonstop
Depart: Wed Mar 18 2015 Return: Thu Mar 19 2015 Trip spans 2 days
United
United
IAD
6:06p
STL
8:29p
2h 23m
nonstop
STL
7:11a
IAD
9:11a
2h 00m
nonstop
Depart: Tue Mar 24 2015 Return: Mon Mar 30 2015 Trip spans 7 days
American Airlines
American Airlines
DCA
4:30a
STL
6:48a
2h 18m
nonstop
STL
2:15p
DCA
4:18p
2h 03m
nonstop
Depart: Wed Mar 25 2015 Return: Mon Mar 30 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
4:30a
STL
6:48a
2h 18m
nonstop
STL
2:15p
DCA
4:18p
2h 03m
nonstop
Depart: Thu Mar 26 2015 Return: Mon Mar 30 2015 Trip spans 5 days
United
United
IAD
8:30a
STL
10:53a
2h 23m
nonstop
STL
2:38p
IAD
4:31p
1h 53m
nonstop
Depart: Tue Mar 31 2015 Return: Thu Apr 2 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
4:21a
STL
6:34a
2h 13m
nonstop
STL
6:20a
DCA
8:23a
2h 03m
nonstop
Depart: Wed Apr 1 2015 Return: Tue Apr 7 2015 Trip spans 7 days
American Airlines
American Airlines
DCA
10:05a
STL
12:18p
2h 13m
nonstop
STL
6:18a
DCA
8:19a
2h 01m
nonstop
Depart: Thu Apr 2 2015 Return: Sat Apr 4 2015 Trip spans 3 days
United
United
IAD
4:10a
STL
6:33a
2h 23m
nonstop
STL
4:35a
IAD
6:32a
1h 57m
nonstop
Depart: Fri Apr 3 2015 Return: Mon Apr 6 2015 Trip spans 4 days
United
United
IAD
6:06p
STL
8:29p
2h 23m
nonstop
STL
4:35a
IAD
6:32a
1h 57m
nonstop
Depart: Tue May 26 2015 Return: Thu May 28 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
4:16a
STL
6:31a
2h 15m
nonstop
STL
5:20a
IAD
12:28p
7h 08m
1 stop
Depart: Fri Mar 20 2015 Return: Mon Mar 23 2015 Trip spans 4 days
United
United
DCA
2:00a
STL
5:41a
3h 41m
1 stop
STL
10:57a
DCA
2:52p
3h 55m
1 stop
Depart: Thu May 14 2015 Return: Mon May 25 2015 Trip spans 12 days
Delta
Delta
DCA
2:55a
STL
8:58a
6h 03m
1 stop
STL
2:30p
DCA
6:35p
4h 05m
1 stop
Depart: Wed Jun 10 2015 Return: Wed Jul 8 2015 Trip spans 29 days
American Airlines
American Airlines
IAD
7:00a
STL
2:22p
7h 22m
1 stop
STL
3:50a
IAD
10:45a
6h 55m
1 stop
Change your search
Direct flights WAS to STL on American Airlines
Flight # Depart DCA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
4292 8:21 am 9:34 am Mar 29 - May 6
4285 8:30 am 9:48 am Feb 24 - Mar 7
4285 8:30 am 9:48 am Mar 8 - Mar 28
4367 1:59 pm 3:09 pm Apr 6 - Apr 12
4367 1:59 pm 3:09 pm Mar 29 - Apr 5
4369 1:59 pm 3:18 pm Mar 9 - Mar 27
4369 1:59 pm 3:18 pm Mar 8 - Mar 22
4369 1:59 pm 3:18 pm Feb 24 - Mar 6
4367 2:05 pm 3:18 pm Mar 30 - Apr 3
4228 4:10 pm 5:23 pm Mar 29 - May 6
4356 4:25 pm 5:43 pm Mar 8 - Mar 27
4356 4:25 pm 5:43 pm Feb 24 - Mar 6
Airports
Origin

Washington
only $227
only $225
Destination

St Louis
$225