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

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

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

(Round-trip)
Depart: Sat Aug 29 2015 Return: Tue Sep 8 2015 Trip spans 11 days
United
United
IAD
4:25a
STL
6:48a
2h 23m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Mon Aug 31 2015 Return: Tue Sep 8 2015 Trip spans 9 days
United
United
IAD
6:00p
STL
8:12p
2h 12m
nonstop
STL
9:53a
IAD
12:01p
2h 08m
nonstop
Depart: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Wed Sep 2 2015 Return: Sat Sep 5 2015 Trip spans 4 days
United
United
IAD
12:45p
STL
3:00p
2h 15m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Sat Sep 5 2015 Return: Tue Sep 8 2015 Trip spans 4 days
United
United
IAD
4:25a
STL
6:48a
2h 23m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Tue Sep 15 2015 Return: Sat Sep 19 2015 Trip spans 5 days
United
United
IAD
6:00p
STL
8:12p
2h 12m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Thu Nov 26 2015 Return: Tue Dec 1 2015 Trip spans 6 days
United
United
IAD
11:45a
STL
2:00p
2h 15m
nonstop
STL
7:30a
IAD
9:38a
2h 08m
nonstop
Depart: Wed Aug 26 2015 Return: Mon Aug 31 2015 Trip spans 6 days
United
United
IAD
6:00p
STL
8:12p
2h 12m
nonstop
STL
2:34p
IAD
6:34p
4h 00m
1 stop
Depart: Sat Sep 19 2015 Return: Mon Sep 21 2015 Trip spans 3 days
United
United
IAD
6:00a
STL
10:33a
4h 33m
1 stop
STL
2:30p
IAD
4:28p
1h 58m
nonstop
Depart: Thu Sep 17 2015 Return: Tue Sep 22 2015 Trip spans 6 days
US Airways
US Airways
IAD
12:15p
STL
4:13p
3h 58m
1 stop
STL
8:40a
IAD
12:28p
3h 48m
1 stop
Depart: Tue Jun 30 2015 Return: Wed Jul 8 2015 Trip spans 9 days
United
United
IAD
6:18p
STL
8:30p
2h 12m
nonstop
STL
2:31p
IAD
4:35p
2h 04m
nonstop
Depart: Wed Jul 1 2015 Return: Wed Jul 8 2015 Trip spans 8 days
United
United
IAD
4:20a
STL
6:33a
2h 13m
nonstop
STL
2:31p
IAD
4:35p
2h 04m
nonstop
Depart: Tue Aug 4 2015 Return: Tue Aug 11 2015 Trip spans 8 days
United
United
IAD
4:17a
STL
6:29a
2h 12m
nonstop
STL
6:57a
IAD
9:00a
2h 03m
nonstop
Depart: Tue Aug 11 2015 Return: Wed Aug 19 2015 Trip spans 9 days
United
United
IAD
6:05p
STL
8:13p
2h 08m
nonstop
STL
6:52a
IAD
9:00a
2h 08m
nonstop
Depart: Tue Jun 16 2015 Return: Tue Jun 23 2015 Trip spans 8 days
United
United
IAD
6:10a
STL
12:33p
6h 23m
1 stop
STL
4:40a
IAD
6:45a
2h 05m
nonstop
Depart: Wed Jun 17 2015 Return: Wed Jun 24 2015 Trip spans 8 days
Delta
Delta
IAD
2:00a
STL
7:46a
5h 46m
1 stop
STL
2:27p
IAD
6:50p
4h 23m
1 stop
Depart: Wed Jun 24 2015 Return: Wed Jul 1 2015 Trip spans 8 days
Delta
Delta
IAD
2:00a
STL
7:46a
5h 46m
1 stop
STL
12:31p
IAD
4:35p
4h 04m
1 stop
Depart: Sun Aug 30 2015 Return: Tue Sep 8 2015 Trip spans 10 days
United
United
IAD
6:00p
STL
8:12p
2h 12m
nonstop
STL
6:52a
IAD
9:00a
2h 08m
nonstop
Depart: Wed Jul 22 2015 Return: Mon Jul 27 2015 Trip spans 6 days
American Airlines
American Airlines
IAD
1:20a
STL
5:21a
4h 01m
1 stop
STL
12:10p
IAD
4:23p
4h 13m
1 stop
Direct flights IAD to STL on United
Flight # Depart IAD Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
3420 8:16 am 9:31 am May 31 - Jun 3
3420 8:17 am 9:29 am Jul 2 - Jul 9
3420 8:17 am 9:29 am Jul 3 - Jul 3
3420 8:20 am 9:33 am Jun 30 - Jun 30
3420 8:20 am 9:33 am Jun 4 - Jun 8
3420 8:20 am 9:33 am Jun 5 - Jun 12
3420 8:20 am 9:33 am Jun 7 - Jun 28
3420 8:20 am 9:33 am Jun 17 - Jun 23
3420 8:20 am 9:33 am Jul 1 - Jul 1
3420 8:20 am 9:33 am Jun 13 - Jun 19
3420 8:20 am 9:33 am Jun 22 - Jun 29
3420 8:24 am 9:37 am Jun 20 - Jun 27
3420 8:24 am 9:37 am Jun 6 - Jun 6
3357 12:30 pm 1:42 pm Jul 4 - Jul 4
3357 12:30 pm 1:42 pm Jul 3 - Jul 3
3357 12:30 pm 1:45 pm May 31 - Jun 3
3357 12:30 pm 1:42 pm Jul 2 - Jul 2
3357 12:40 pm 1:52 pm Jun 4 - Jun 30
3357 12:40 pm 1:52 pm Jul 1 - Jul 1
3434 4:45 pm 6:01 pm Jun 9 - Jun 24
3434 4:45 pm 6:01 pm Jul 1 - Jul 1
3434 4:45 pm 6:01 pm Jun 29 - Jul 7
3434 4:45 pm 6:01 pm Jun 4 - Jun 26
3434 4:48 pm 6:04 pm Jun 6 - Jun 14
3434 4:48 pm 6:04 pm Jun 20 - Jun 27
3434 4:48 pm 5:59 pm Jun 28 - Jun 28
3434 4:48 pm 6:04 pm Jun 21 - Jun 21
3434 4:50 pm 6:12 pm May 31 - Jun 3
3427 10:05 pm 11:20 pm May 21 - Jun 3
3427 10:12 pm 11:20 pm Jul 2 - Jul 9
3365 10:18 pm 11:30 pm Jun 6 - Jun 6
3365 10:18 pm 11:30 pm Jun 4 - Jun 29
3365 10:18 pm 11:30 pm Jun 9 - Jun 30
3365 10:20 pm 11:32 pm Jun 7 - Jun 28
Airports
Origin

Washington
$177
Destination

St Louis
$177