Find Cheap Flights from Lambert-St Louis to Washington (STL - WAS)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Lambert-St Louis to Washington

(Round-trip)
Depart: Wed Aug 23 2017 Return: Wed Aug 30 2017 Trip spans 8 days
American Airlines
American Airlines
STL
2:15a
DCA
4:16a
2h 01m
nonstop
DCA
3:22p
STL
5:55p
2h 33m
nonstop
Depart: Fri Sep 22 2017 Return: Sun Sep 24 2017 Trip spans 3 days
Major Airline
Major Airline
STL
1:00a
DCA
1:26a
0h 26m
1 stop
DCA
1:00a
STL
3:26a
2h 26m
1 stop
Depart: Thu Jun 15 2017 Return: Tue Jun 20 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
STL
1:00a
DCA
2:59a
1h 59m
nonstop
DCA
6:27a
STL
8:48a
2h 21m
nonstop
Depart: Fri Jun 23 2017 Return: Sun Jul 2 2017 Trip spans 10 days
United
United
STL
9:10a
IAD
11:15a
2h 05m
nonstop
IAD
4:20a
STL
6:38a
2h 18m
nonstop
Depart: Mon Jun 26 2017 Return: Tue Jun 27 2017 Trip spans 2 days
Delta
Delta
STL
3:02p
IAD
7:30p
4h 28m
1 stop
IAD
1:30a
STL
5:54a
4h 24m
1 stop
Depart: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
American Airlines
American Airlines
STL
12:00p
DCA
1:53p
1h 53m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Tue Oct 10 2017 Return: Wed Oct 11 2017 Trip spans 2 days
American Airlines
American Airlines
STL
1:00a
DCA
3:01a
2h 01m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Wed Oct 11 2017 Return: Sat Oct 14 2017 Trip spans 4 days
American Airlines
American Airlines
STL
2:15a
DCA
4:16a
2h 01m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Tue Aug 1 2017 Return: Wed Aug 2 2017 Trip spans 2 days
Major Airline
Major Airline
STL
2:50a
DCA
4:56a
2h 06m
1 stop
DCA
12:50a
STL
3:09a
2h 19m
1 stop
Depart: Fri Jun 16 2017 Return: Tue Jun 27 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
STL
1:00a
DCA
2:59a
1h 59m
nonstop
DCA
6:27a
STL
8:48a
2h 21m
nonstop
Depart: Wed Jun 28 2017 Return: Sun Jul 2 2017 Trip spans 5 days
United
United
STL
6:50a
IAD
8:53a
2h 03m
nonstop
IAD
4:20a
STL
6:38a
2h 18m
nonstop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
American Airlines
American Airlines
STL
6:55a
DCA
8:56a
2h 01m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Mon Jun 12 2017 Return: Wed Jun 14 2017 Trip spans 3 days
Major Airline
Major Airline
STL
2:50a
DCA
4:56a
2h 06m
nonstop
DCA
6:40a
STL
8:58a
2h 18m
nonstop
Depart: Wed Jun 21 2017 Return: Tue Jun 27 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
STL
1:00a
DCA
2:59a
1h 59m
nonstop
DCA
6:27a
STL
8:48a
2h 21m
nonstop
Depart: Mon Aug 7 2017 Return: Wed Aug 16 2017 Trip spans 10 days
United
United
STL
6:50a
IAD
8:53a
2h 03m
nonstop
IAD
6:10p
STL
8:25p
2h 15m
nonstop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
American Airlines
American Airlines
STL
1:05p
DCA
2:58p
1h 53m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Mon Jun 19 2017 Return: Tue Jun 20 2017 Trip spans 2 days
Major Airline
Major Airline
STL
9:05a
DCA
11:11a
2h 06m
nonstop
DCA
6:40a
STL
8:58a
2h 18m
nonstop
Depart: Thu Jun 29 2017 Return: Tue Jul 4 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
STL
2:13a
DCA
4:21a
2h 08m
nonstop
DCA
11:00a
STL
1:18p
2h 18m
nonstop
Depart: Thu Sep 21 2017 Return: Sat Sep 23 2017 Trip spans 3 days
American Airlines
American Airlines
STL
6:55a
DCA
8:56a
2h 01m
nonstop
DCA
6:30a
STL
8:55a
2h 25m
nonstop
Depart: Sat Jun 24 2017 Return: Sun Jul 2 2017 Trip spans 9 days
Major Airline
Major Airline
STL
2:55a
DCA
4:55a
2h 00m
1 stop
DCA
11:46a
STL
2:05p
2h 19m
1 stop
Direct flights STL to WAS on American Airlines
Flight # Depart STL Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
4319 5:00 am 8:07 am May 30 - Jun 30
4341 6:13 am 9:29 am Jun 2 - Jun 30
4341 6:14 am 9:29 am May 29 - Jun 1
4319 7:40 am 10:56 am Jun 3 - Jul 2
4353 10:50 am 2:04 pm Jun 2 - Jun 30
5428 10:55 am 1:55 pm Jun 3 - Aug 19
4353 10:56 am 2:06 pm May 30 - Jun 1
4355 12:15 pm 3:30 pm Jun 4 - Jul 2
4410 12:50 pm 3:57 pm Jun 2 - Jun 30
4410 12:50 pm 3:56 pm May 22 - Jun 1
5068 1:10 pm 4:12 pm Jun 3 - Aug 19
4659 5:05 pm 8:15 pm May 22 - Jun 1
4659 5:05 pm 8:11 pm Jun 2 - Jun 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

St. Louis
$203
Destination

Washington
only $279
only $203
Airlines Airline reviews

21 travelers who booked a flight from St. Louis to Washington rated their chosen airlines with an average of 7.7.

Overall
8.1
Boarding
7.8
Crew
8.9
Comfort
7.7
Food
6.9
Entertainment
6.9