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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: Wed Aug 26 2015 Return: Mon Aug 31 2015 Trip spans 6 days
United
United
STL
8:30a
IAD
10:38a
2h 08m
nonstop
IAD
6:00p
STL
8:12p
2h 12m
nonstop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
United
United
STL
8:30a
IAD
10:38a
2h 08m
nonstop
IAD
4:25a
STL
6:48a
2h 23m
nonstop
Depart: Mon Sep 14 2015 Return: Tue Sep 22 2015 Trip spans 9 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
8:30a
STL
10:55a
2h 25m
nonstop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
United
United
STL
4:15a
IAD
6:15a
2h 00m
nonstop
IAD
8:30a
STL
10:55a
2h 25m
nonstop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
United
United
STL
4:15a
IAD
6:15a
2h 00m
nonstop
IAD
6:00p
STL
8:12p
2h 12m
nonstop
Depart: Sat Oct 24 2015 Return: Wed Oct 28 2015 Trip spans 5 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
8:30a
STL
10:55a
2h 25m
nonstop
Depart: Thu Sep 17 2015 Return: Wed Sep 23 2015 Trip spans 7 days
United
United
STL
1:00a
IAD
6:19a
5h 19m
1 stop
IAD
4:25a
STL
6:48a
2h 23m
nonstop
Depart: Tue Nov 3 2015 Return: Wed Nov 11 2015 Trip spans 9 days
American Airlines
American Airlines
STL
7:40a
IAD
11:28a
3h 48m
1 stop
IAD
8:36a
STL
1:22p
4h 46m
1 stop
Depart: Fri Aug 28 2015 Return: Mon Aug 31 2015 Trip spans 4 days
Delta
Delta
STL
2:00a
IAD
6:03a
4h 03m
1 stop
IAD
2:00a
STL
6:01a
4h 01m
1 stop
Depart: Thu Aug 27 2015 Return: Mon Aug 31 2015 Trip spans 5 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
6:00p
STL
8:12p
2h 12m
nonstop
Depart: Sat Oct 10 2015 Return: Thu Oct 15 2015 Trip spans 6 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
8:30a
STL
10:55a
2h 25m
nonstop
Depart: Mon Sep 7 2015 Return: Fri Sep 11 2015 Trip spans 5 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
6:00p
STL
8:12p
2h 12m
nonstop
Depart: Sun Aug 23 2015 Return: Thu Aug 27 2015 Trip spans 5 days
United
United
STL
4:15a
IAD
6:15a
2h 00m
nonstop
IAD
4:30a
STL
10:33a
6h 03m
1 stop
Depart: Sun Sep 13 2015 Return: Sun Sep 20 2015 Trip spans 8 days
United
United
STL
2:00a
IAD
8:26a
6h 26m
1 stop
IAD
4:25a
STL
6:48a
2h 23m
nonstop
Depart: Wed Jun 10 2015 Return: Sun Jun 14 2015 Trip spans 5 days
United
United
STL
10:06a
IAD
12:11p
2h 05m
nonstop
IAD
4:20a
STL
6:33a
2h 13m
nonstop
Depart: Sat Jun 13 2015 Return: Tue Jun 16 2015 Trip spans 4 days
United
United
STL
2:34p
IAD
4:38p
2h 04m
nonstop
IAD
8:40a
STL
10:52a
2h 12m
nonstop
Depart: Mon Jun 15 2015 Return: Wed Jun 17 2015 Trip spans 3 days
United
United
STL
2:34p
IAD
4:38p
2h 04m
nonstop
IAD
4:20a
STL
6:33a
2h 13m
nonstop
Depart: Tue Jun 16 2015 Return: Wed Jun 24 2015 Trip spans 9 days
United
United
STL
10:06a
IAD
12:11p
2h 05m
nonstop
IAD
6:18p
STL
8:30p
2h 12m
nonstop
Depart: Wed Jun 17 2015 Return: Wed Jun 24 2015 Trip spans 8 days
United
United
STL
10:06a
IAD
12:11p
2h 05m
nonstop
IAD
6:18p
STL
8:30p
2h 12m
nonstop
Depart: Tue Jun 23 2015 Return: Wed Jun 24 2015 Trip spans 2 days
United
United
STL
10:06a
IAD
12:11p
2h 05m
nonstop
IAD
6:18p
STL
8:30p
2h 12m
nonstop
Direct flights STL to IAD on United
Flight # Depart STL Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
3342 8:35 am 11:40 am Jun 7 - Jun 7
3342 8:35 am 11:40 am Jun 21 - Jun 28
3342 8:35 am 11:40 am Jun 14 - Jun 14
3342 8:40 am 11:45 am Jun 15 - Jun 29
3342 8:40 am 11:45 am Jun 24 - Jun 30
3342 8:40 am 11:45 am Jun 5 - Jun 12
3342 8:40 am 11:45 am Jun 4 - Jun 8
3342 8:40 am 11:45 am Jun 9 - Jun 16
3342 8:40 am 11:45 am Jun 17 - Jun 23
3342 8:41 am 11:46 am Jun 27 - Jun 27
3342 8:41 am 11:46 am Jun 20 - Jun 20
3342 8:41 am 11:46 am Jun 6 - Jun 6
3344 8:41 am 11:46 am Jun 13 - Jun 13
3342 8:52 am 11:55 am May 25 - Jun 3
3342 8:52 am 11:55 am May 16 - May 30
3387 10:51 am 1:54 pm May 26 - Jun 3
3387 10:52 am 1:55 pm Jun 5 - Jun 12
3387 10:52 am 1:55 pm Jun 15 - Jun 22
3387 10:52 am 1:55 pm Jun 4 - Jun 8
3387 10:52 am 1:55 pm Jun 24 - Jul 1
3387 10:52 am 1:55 pm Jun 17 - Jun 23
3387 10:52 am 1:55 pm Jun 7 - Jun 28
3387 11:11 am 2:14 pm May 30 - May 30
3387 12:30 pm 3:33 pm Jun 6 - Jun 20
3387 12:30 pm 3:33 pm Jun 27 - Jun 27
3360 2:06 pm 5:11 pm Jun 4 - Jul 1
3360 2:15 pm 5:20 pm May 24 - May 31
3360 2:15 pm 5:20 pm May 26 - Jun 3
3411 6:34 pm 9:38 pm Jun 4 - Jun 30
3411 6:42 pm 9:44 pm May 30 - May 30
3411 6:42 pm 9:45 pm May 17 - May 31
3411 6:42 pm 9:45 pm May 26 - Jun 3
Airports
Origin

St Louis
$177
Destination

Washington
$177