Find Cheap Flights from Washington Dulles Intl to Lambert-St Louis (IAD - STL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington Dulles Intl to Lambert-St Louis

(Round-trip)
Depart: Tue Aug 22 2017 Return: Sat Sep 2 2017 Trip spans 12 days
United
United
IAD
8:45a
STL
11:04a
2h 19m
nonstop
STL
9:00a
IAD
11:09a
2h 09m
nonstop
Depart: Tue Oct 17 2017 Return: Wed Oct 25 2017 Trip spans 9 days
American Airlines
American Airlines
IAD
12:15p
STL
5:56p
5h 41m
1 stop
STL
8:40a
IAD
12:28p
3h 48m
1 stop
Depart: Wed Oct 11 2017 Return: Tue Oct 17 2017 Trip spans 7 days
Delta
Delta
IAD
5:45a
STL
11:50a
6h 05m
1 stop
STL
2:00a
IAD
6:34a
4h 34m
1 stop
Depart: Fri Oct 13 2017 Return: Tue Oct 17 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
9:05a
STL
9:09a
24h 04m
3 stops
STL
9:10a
IAD
6:55a
21h 45m
3 stops
Depart: Sat Oct 14 2017 Return: Tue Oct 17 2017 Trip spans 4 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
1:50p
IAD
3:48p
1h 58m
nonstop
Depart: Wed Oct 18 2017 Return: Tue Oct 24 2017 Trip spans 7 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
8:30a
IAD
10:38a
2h 08m
nonstop
Depart: Thu Oct 19 2017 Return: Tue Oct 24 2017 Trip spans 6 days
American Airlines
American Airlines
IAD
1:20a
STL
5:27a
4h 07m
1 stop
STL
3:50a
IAD
8:01a
4h 11m
1 stop
Depart: Sat Oct 21 2017 Return: Tue Oct 24 2017 Trip spans 4 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
8:30a
IAD
10:38a
2h 08m
nonstop
Depart: Thu Sep 21 2017 Return: Sat Sep 23 2017 Trip spans 3 days
Delta
Delta
IAD
5:45a
STL
11:50a
6h 05m
1 stop
STL
3:15a
IAD
9:20a
6h 05m
1 stop
Depart: Fri Oct 20 2017 Return: Sat Oct 21 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
1:00a
STL
3:23a
2h 23m
1 stop
STL
1:00a
IAD
1:23a
0h 23m
1 stop
Depart: Sun Oct 22 2017 Return: Tue Oct 24 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
1:20a
STL
5:27a
4h 07m
1 stop
STL
1:59a
IAD
8:01a
6h 02m
1 stop
Depart: Sat Aug 26 2017 Return: Sun Sep 3 2017 Trip spans 9 days
United
United
IAD
1:39p
STL
4:03p
2h 24m
nonstop
STL
4:10a
IAD
8:19a
4h 09m
1 stop
Depart: Thu Sep 28 2017 Return: Thu Oct 26 2017 Trip spans 29 days
Delta
Delta
IAD
5:45a
STL
11:50a
6h 05m
1 stop
STL
6:00a
IAD
11:58a
5h 58m
1 stop
Depart: Wed Jul 5 2017 Return: Sun Jul 9 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
9:20a
STL
11:17a
25h 57m
3 stops
STL
1:15a
IAD
7:02a
5h 47m
3 stops
Depart: Wed Sep 20 2017 Return: Mon Sep 25 2017 Trip spans 6 days
United
United
IAD
4:25a
STL
6:48a
2h 23m
nonstop
STL
8:30a
IAD
10:38a
2h 08m
nonstop
Depart: Thu Aug 17 2017 Return: Thu Aug 31 2017 Trip spans 15 days
American Airlines
American Airlines
IAD
1:05a
STL
5:29a
4h 24m
1 stop
STL
1:59a
IAD
8:01a
6h 02m
1 stop
Depart: Thu Aug 10 2017 Return: Sat Aug 12 2017 Trip spans 3 days
Major Airline
Major Airline
IAD
9:20a
STL
11:16a
25h 56m
nonstop
STL
10:00p
IAD
2:50a
4h 50m
nonstop
Depart: Fri Aug 18 2017 Return: Thu Aug 31 2017 Trip spans 14 days
American Airlines
American Airlines
IAD
1:05a
STL
5:29a
4h 24m
1 stop
STL
3:50a
IAD
8:01a
4h 11m
1 stop
Depart: Sat Sep 30 2017 Return: Mon Oct 2 2017 Trip spans 3 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
2:45a
IAD
8:26a
5h 41m
1 stop
Depart: Mon Jul 24 2017 Return: Mon Jul 31 2017 Trip spans 8 days
Delta
Delta
IAD
12:49p
STL
7:13p
6h 24m
1 stop
STL
1:45p
IAD
7:20p
5h 35m
1 stop
Direct flights IAD to STL on United
Flight # Depart IAD Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
4733 8:20 am 9:38 am Jul 1 - Jul 9
4733 8:20 am 9:40 am May 22 - Jun 2
4733 8:20 am 9:40 am Jun 4 - Jun 7
6330 8:20 am 9:40 am May 28 - Jun 3
4733 8:25 am 9:43 am Jun 10 - Jun 25
4733 8:30 am 9:48 am Jun 8 - Jul 3
6146 12:35 pm 1:53 pm Jun 8 - Jun 30
4780 12:50 pm 2:08 pm Jul 2 - Jul 3
4749 5:25 pm 6:46 pm May 21 - Jun 7
6056 5:25 pm 6:42 pm Jun 3 - Jun 3
4749 5:35 pm 7:02 pm Jul 1 - Aug 13
4749 5:35 pm 7:01 pm Jun 18 - Jun 29
4749 5:35 pm 7:01 pm Jun 17 - Jun 24
4749 5:35 pm 7:01 pm Jun 15 - Jun 15
4749 5:35 pm 7:01 pm Jun 14 - Jun 30
4749 5:35 pm 7:01 pm Jun 8 - Jun 13
6241 5:35 pm 7:02 pm Jul 3 - Jul 3
6178 10:00 pm 11:17 pm Jun 3 - Jun 3
4774 10:05 pm 11:22 pm May 21 - Jun 2
4774 10:05 pm 11:22 pm Jun 4 - Jun 7
4774 10:10 pm 11:25 pm Jun 8 - Jun 30
6056 10:10 pm 11:25 pm Jun 10 - Jun 24
6223 10:10 pm 11:25 pm Jul 1 - Aug 12
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$203
Destination

St. Louis
$203
Airlines Airline reviews

15 travelers who booked a flight from Washington to St. Louis rated their chosen airlines with an average of 6.7.

Overall
6.8
Boarding
6.9
Crew
7.5
Comfort
6.4
Food
6.5
Entertainment
5.7