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: 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: 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: 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: Sun Sep 3 2017 Return: Wed Sep 20 2017 Trip spans 18 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
4:15a
IAD
6:15a
2h 00m
nonstop
Depart: Tue Sep 5 2017 Return: Tue Sep 19 2017 Trip spans 15 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 Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 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 3 2017 Return: Mon May 8 2017 Trip spans 6 days
Delta
Delta
IAD
5:50a
STL
9:48a
3h 58m
1 stop
STL
1:32p
IAD
6:44p
5h 12m
1 stop
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 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
American Airlines
American Airlines
IAD
3:59p
STL
8:49p
4h 50m
1 stop
STL
2:00a
IAD
8:07a
6h 07m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
United
United
IAD
4:20a
STL
6:40a
2h 20m
nonstop
STL
4:10a
IAD
8:41a
4h 31m
1 stop
Depart: Sat May 13 2017 Return: Tue May 16 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
9:30a
STL
11:20a
25h 50m
nonstop
STL
11:20a
IAD
7:24a
20h 04m
nonstop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
3:00a
STL
7:23a
4h 23m
1 stop
STL
1:59a
IAD
8:02a
6h 03m
1 stop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
1:50p
IAD
3:48p
1h 58m
nonstop
Depart: Sun Apr 23 2017 Return: Wed Apr 26 2017 Trip spans 4 days
Delta
Delta
IAD
2:00a
STL
6:22a
4h 22m
1 stop
STL
1:55p
IAD
7:15p
5h 20m
1 stop
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: Thu Apr 13 2017 Return: Sat Apr 22 2017 Trip spans 10 days
Major Airline
Major Airline
IAD
9:30a
STL
11:14a
25h 44m
nonstop
STL
6:39a
IAD
11:53a
5h 14m
nonstop
Depart: Wed Sep 20 2017 Return: Mon Sep 25 2017 Trip spans 6 days
United
United
IAD
8:30a
STL
10:55a
2h 25m
nonstop
STL
8:30a
IAD
10:38a
2h 08m
nonstop
Depart: Fri May 5 2017 Return: Wed May 10 2017 Trip spans 6 days
Delta
Delta
IAD
1:50a
STL
5:55a
4h 05m
1 stop
STL
1:45a
IAD
6:20a
4h 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 8:15 am 9:33 am Apr 29 - May 4
4733 8:15 am 9:33 am Apr 16 - Apr 28
4733 8:15 am 9:33 am Apr 8 - Apr 14
4733 8:15 am 9:33 am Mar 29 - Apr 7
6324 8:15 am 9:29 am Apr 15 - Apr 22
6330 8:20 am 9:40 am May 6 - May 27
4749 5:15 pm 6:41 pm Apr 5 - Apr 24
4749 5:15 pm 6:41 pm Apr 8 - Apr 15
4749 5:15 pm 6:41 pm Apr 11 - Apr 18
4749 5:15 pm 6:41 pm Apr 22 - Apr 23
4749 5:15 pm 6:41 pm Apr 25 - May 3
4749 5:15 pm 6:41 pm Apr 30 - May 4
4749 5:15 pm 6:41 pm Apr 9 - Apr 16
4749 5:25 pm 6:46 pm May 5 - May 5
6056 5:25 pm 6:42 pm May 6 - May 20
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
6178 10:00 pm 11:17 pm May 6 - May 20
4774 10:05 pm 11:22 pm May 5 - May 26
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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