Find Deals on Flights from St. Louis Lambert-St Louis to Washington Dulles Intl (STL - IAD)

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 St. Louis Lambert-St Louis to Washington Dulles Intl

(Round-trip)
Depart: Sun Feb 21 2016 Return: Tue Feb 23 2016 Trip spans 3 days
United
United
STL
12:57p
IAD
2:55p
1h 58m
nonstop
IAD
5:07p
STL
7:34p
2h 27m
nonstop
Depart: Mon Feb 22 2016 Return: Wed Feb 24 2016 Trip spans 3 days
United
United
STL
12:57p
IAD
2:55p
1h 58m
nonstop
IAD
12:30p
STL
2:57p
2h 27m
nonstop
Depart: Wed Mar 2 2016 Return: Tue Mar 15 2016 Trip spans 13 days
United
United
STL
3:50a
IAD
5:45a
1h 55m
nonstop
IAD
6:15p
STL
8:29p
2h 14m
nonstop
Depart: Sat May 21 2016 Return: Wed May 25 2016 Trip spans 5 days
United
United
STL
1:50p
IAD
3:48p
1h 58m
nonstop
IAD
5:30a
STL
7:53a
2h 23m
nonstop
Depart: Sat Feb 20 2016 Return: Mon Feb 22 2016 Trip spans 3 days
United
United
STL
12:57p
IAD
2:55p
1h 58m
nonstop
IAD
5:07p
STL
7:34p
2h 27m
nonstop
Depart: Wed Feb 24 2016 Return: Wed Mar 2 2016 Trip spans 8 days
United
United
STL
12:57p
IAD
2:55p
1h 58m
nonstop
IAD
5:07p
STL
7:34p
2h 27m
nonstop
Depart: Sun Feb 28 2016 Return: Mon Feb 29 2016 Trip spans 2 days
United
United
STL
12:57p
IAD
2:55p
1h 58m
nonstop
IAD
5:07p
STL
7:34p
2h 27m
nonstop
Depart: Wed Apr 13 2016 Return: Sat Apr 16 2016 Trip spans 4 days
United
United
STL
2:09p
IAD
4:10p
2h 01m
nonstop
IAD
5:34a
STL
7:54a
2h 20m
nonstop
Depart: Fri Apr 15 2016 Return: Sat Apr 16 2016 Trip spans 2 days
United
United
STL
4:40a
IAD
6:42a
2h 02m
nonstop
IAD
5:34a
STL
7:54a
2h 20m
nonstop
Depart: Wed Apr 27 2016 Return: Sat Apr 30 2016 Trip spans 4 days
United
United
STL
9:27a
IAD
11:30a
2h 03m
nonstop
IAD
8:44a
STL
3:59p
7h 15m
1 stop
Depart: Sat Mar 5 2016 Return: Wed Mar 9 2016 Trip spans 5 days
United
United
STL
1:11p
IAD
3:13p
2h 02m
nonstop
IAD
5:15p
STL
7:29p
2h 14m
nonstop
Depart: Tue Mar 8 2016 Return: Wed Mar 9 2016 Trip spans 2 days
United
United
STL
1:13p
IAD
3:15p
2h 02m
nonstop
IAD
5:15p
STL
7:29p
2h 14m
nonstop
Depart: Fri Feb 19 2016 Return: Mon Feb 22 2016 Trip spans 4 days
American Airlines
American Airlines
STL
1:00a
IAD
7:10a
6h 10m
1 stop
IAD
6:00a
STL
1:40p
7h 40m
1 stop
Depart: Thu Feb 18 2016 Return: Mon Feb 22 2016 Trip spans 5 days
United
United
STL
1:08a
IAD
5:32a
4h 24m
1 stop
IAD
5:07p
STL
7:34p
2h 27m
nonstop
Depart: Tue Feb 23 2016 Return: Tue Mar 1 2016 Trip spans 8 days
American Airlines
American Airlines
STL
1:00a
IAD
7:10a
6h 10m
1 stop
IAD
12:47p
STL
5:35p
4h 48m
1 stop
Depart: Thu Feb 25 2016 Return: Thu Mar 3 2016 Trip spans 8 days
United
United
STL
7:45a
IAD
9:44a
1h 59m
nonstop
IAD
5:15p
STL
7:29p
2h 14m
nonstop
Depart: Sat Feb 27 2016 Return: Mon Feb 29 2016 Trip spans 3 days
American Airlines
American Airlines
STL
2:35a
IAD
7:10a
4h 35m
1 stop
IAD
11:15a
STL
5:35p
6h 20m
1 stop
Depart: Mon Mar 7 2016 Return: Sat Mar 12 2016 Trip spans 6 days
American Airlines
American Airlines
STL
1:20p
IAD
5:25p
4h 05m
1 stop
IAD
12:47p
STL
5:40p
4h 53m
1 stop
Depart: Thu Apr 14 2016 Return: Sat Apr 16 2016 Trip spans 3 days
United
United
STL
1:02a
IAD
6:31a
5h 29m
1 stop
IAD
5:34a
STL
7:54a
2h 20m
nonstop
Depart: Tue Apr 26 2016 Return: Wed Apr 27 2016 Trip spans 2 days
Delta
Delta
STL
1:55a
IAD
5:56a
4h 01m
1 stop
IAD
3:30a
STL
7:53a
4h 23m
1 stop
Direct flights STL to IAD on United
Flight # Depart STL Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
4503 8:35 am 11:36 am Mar 5 - Mar 12
4503 8:43 am 11:44 am Mar 6 - Mar 6
4503 8:43 am 11:44 am Mar 13 - Mar 13
4503 8:46 am 11:40 am Feb 20 - Feb 20
4503 8:49 am 11:50 am Mar 14 - Mar 21
4503 8:49 am 11:50 am Mar 8 - Mar 9
4503 8:49 am 11:50 am Mar 15 - Mar 15
4503 8:49 am 11:50 am Mar 4 - Mar 11
4503 8:50 am 11:45 am Feb 12 - Mar 2
4503 8:50 am 11:45 am Feb 11 - Mar 1
4503 8:52 am 11:47 am Feb 13 - Feb 13
4503 8:52 am 11:47 am Feb 27 - Feb 27
4503 8:52 am 11:47 am Feb 14 - Feb 28
4538 12:45 pm 3:44 pm Feb 12 - Mar 2
4538 12:45 pm 3:44 pm Feb 11 - Mar 3
4538 12:45 pm 3:44 pm Feb 16 - Mar 8
4538 12:45 pm 3:44 pm Mar 4 - Mar 11
4538 12:45 pm 3:44 pm Mar 14 - Mar 21
4538 12:45 pm 3:44 pm Mar 15 - Mar 15
6123 12:45 pm 3:41 pm Feb 13 - Feb 27
6123 12:45 pm 3:41 pm Feb 14 - Feb 28
4538 1:26 pm 4:25 pm Mar 5 - Mar 12
4538 1:29 pm 4:28 pm Mar 6 - Mar 6
4538 1:29 pm 4:28 pm Mar 13 - Mar 20
4562 5:57 pm 8:55 pm Feb 13 - Feb 29
4562 5:57 pm 8:55 pm Feb 11 - Mar 1
4562 5:57 pm 8:55 pm Mar 2 - Mar 2
4562 6:11 pm 9:13 pm Mar 4 - Mar 4
4562 6:11 pm 9:13 pm Mar 5 - Mar 12
4562 6:13 pm 9:15 pm Mar 3 - Mar 10
4562 6:13 pm 9:15 pm Mar 14 - Mar 21
4562 6:13 pm 9:15 pm Mar 15 - Mar 17
6326 6:13 pm 9:15 pm Mar 8 - Mar 11
6326 6:26 pm 9:28 pm Mar 13 - Mar 13
6326 6:26 pm 9:28 pm Mar 6 - Mar 6
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

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Why aren’t prices accurate 100% of the time?
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Airports
Origin

St. Louis
$191
Destination

Washington
$191