Find Deals on 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: Sat Apr 15 2017 Return: Sat Apr 22 2017 Trip spans 8 days
United
United
IAD
4:15a
STL
6:29a
2h 14m
nonstop
STL
8:45a
IAD
10:46a
2h 01m
nonstop
Depart: Fri Apr 28 2017 Return: Tue May 2 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
9:30a
STL
11:14a
25h 44m
nonstop
STL
11:20a
IAD
7:19a
19h 59m
nonstop
Depart: Tue Apr 18 2017 Return: Wed Apr 26 2017 Trip spans 9 days
American Airlines
American Airlines
IAD
12:06p
STL
5:55p
5h 49m
1 stop
STL
3:10a
IAD
8:07a
4h 57m
1 stop
Depart: Tue Sep 5 2017 Return: Wed Sep 20 2017 Trip spans 16 days
Delta
Delta
IAD
12:50p
STL
7:03p
6h 13m
1 stop
STL
2:00a
IAD
9:06a
7h 06m
1 stop
Depart: Wed Apr 19 2017 Return: Tue Apr 25 2017 Trip spans 7 days
United
United
IAD
4:15a
STL
6:33a
2h 18m
nonstop
STL
8:45a
IAD
10:49a
2h 04m
nonstop
Depart: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
9:30a
STL
11:20a
25h 50m
nonstop
STL
11:20a
IAD
7:24a
20h 04m
nonstop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
United
United
IAD
6:00p
STL
8:17p
2h 17m
nonstop
STL
4:25a
IAD
6:29a
2h 04m
nonstop
Depart: Tue Apr 11 2017 Return: Wed Apr 19 2017 Trip spans 9 days
American Airlines
American Airlines
IAD
3:59p
STL
8:49p
4h 50m
1 stop
STL
3:10a
IAD
8:07a
4h 57m
1 stop
Depart: Mon Apr 10 2017 Return: Wed Apr 19 2017 Trip spans 10 days
Delta
Delta
IAD
2:59p
STL
8:20p
5h 21m
1 stop
STL
3:05p
IAD
7:15p
4h 10m
1 stop
Depart: Fri Sep 1 2017 Return: Tue Sep 5 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
9:30a
STL
11:08a
25h 38m
nonstop
STL
11:20a
IAD
7:20a
20h 00m
nonstop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
United
United
IAD
6:00p
STL
8:17p
2h 17m
nonstop
STL
2:15p
IAD
4:17p
2h 02m
nonstop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
9:49a
STL
4:23p
6h 34m
1 stop
STL
3:10a
IAD
8:07a
4h 57m
1 stop
Depart: Thu Apr 27 2017 Return: Sat Apr 29 2017 Trip spans 3 days
Delta
Delta
IAD
1:35a
STL
6:03a
4h 28m
1 stop
STL
11:19a
IAD
6:49p
7h 30m
1 stop
Depart: Tue May 9 2017 Return: Sat May 13 2017 Trip spans 5 days
United
United
IAD
6:05p
STL
8:22p
2h 17m
nonstop
STL
2:15p
IAD
4:17p
2h 02m
nonstop
Depart: Mon May 1 2017 Return: Tue May 2 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
9:49a
STL
4:23p
6h 34m
1 stop
STL
2:00a
IAD
8:07a
6h 07m
1 stop
Depart: Wed May 24 2017 Return: Sat May 27 2017 Trip spans 4 days
United
United
IAD
6:05p
STL
8:22p
2h 17m
nonstop
STL
2:15p
IAD
4:17p
2h 02m
nonstop
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
Delta
Delta
IAD
1:50a
STL
5:55a
4h 05m
1 stop
STL
3:12p
IAD
7:15p
4h 03m
1 stop
Depart: Wed May 17 2017 Return: Thu May 18 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
9:30a
STL
11:20a
25h 50m
nonstop
STL
9:59p
IAD
2:48a
4h 49m
nonstop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
United
United
IAD
6:00p
STL
8:17p
2h 17m
nonstop
STL
4:10a
IAD
11:20a
7h 10m
1 stop
Depart: Wed May 31 2017 Return: Fri Jun 2 2017 Trip spans 3 days
Delta
Delta
IAD
1:50a
STL
5:55a
4h 05m
1 stop
STL
3:12p
IAD
7:15p
4h 03m
1 stop
Direct flights IAD to STL on United
Flight # Depart IAD Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
4733 8:15 am 9:33 am Mar 27 - Apr 3
4733 8:15 am 9:33 am Apr 5 - Apr 14
4733 8:15 am 9:33 am Apr 29 - May 4
4733 8:15 am 9:33 am Apr 16 - Apr 28
6324 8:15 am 9:29 am Apr 15 - Apr 22
4749 5:10 pm 6:31 pm Mar 27 - Apr 3
4749 5:15 pm 6:41 pm Apr 4 - Apr 4
4749 5:15 pm 6:41 pm Apr 25 - May 3
4749 5:15 pm 6:41 pm Apr 22 - Apr 23
4749 5:15 pm 6:41 pm Apr 11 - Apr 18
4749 5:15 pm 6:41 pm Apr 9 - Apr 16
4749 5:15 pm 6:41 pm Apr 8 - Apr 15
4749 5:15 pm 6:41 pm Apr 30 - May 4
4749 5:15 pm 6:41 pm Apr 5 - Apr 24
4774 10:00 pm 11:17 pm Apr 30 - May 4
4774 10:00 pm 11:17 pm Apr 4 - Apr 28
6142 10:00 pm 11:17 pm Apr 29 - Apr 29
4774 10:05 pm 11:22 pm Mar 26 - Apr 3
* 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

14 travelers who booked a flight from Washington to St. Louis rated their chosen airlines with an average of 7.1.

Overall
7.1
Boarding
7.3
Crew
7.9
Comfort
6.7
Food
6.9
Entertainment
6.0