Find Deals on Flights from Lambert-St Louis to Baltimore/Washington (STL - BWI)

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 Baltimore/Washington

(Round-trip)
Depart: Wed Mar 15 2017 Return: Tue Mar 28 2017 Trip spans 14 days
American Airlines
American Airlines
STL
2:00a
BWI
6:13a
4h 13m
1 stop
BWI
6:21a
STL
10:56a
4h 35m
1 stop
Depart: Sat Apr 1 2017 Return: Tue Apr 4 2017 Trip spans 4 days
Delta
Delta
STL
1:55p
BWI
7:27p
5h 32m
1 stop
BWI
8:09a
STL
1:48p
5h 39m
1 stop
Depart: Sat Apr 8 2017 Return: Tue Apr 11 2017 Trip spans 4 days
United
United
STL
12:40p
BWI
5:33p
4h 53m
1 stop
BWI
1:20a
STL
7:17a
5h 57m
1 stop
Depart: Fri May 5 2017 Return: Wed May 10 2017 Trip spans 6 days
Major Airline
Major Airline
STL
11:20a
BWI
6:45a
19h 25m
1 stop
BWI
9:00a
STL
11:20a
26h 20m
1 stop
Depart: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
American Airlines
American Airlines
STL
10:36a
BWI
4:16p
5h 40m
1 stop
BWI
2:55p
STL
8:25p
5h 30m
1 stop
Depart: Wed Apr 19 2017 Return: Sat Apr 22 2017 Trip spans 4 days
Delta
Delta
STL
9:20a
BWI
2:05p
4h 45m
1 stop
BWI
8:30a
STL
2:05p
5h 35m
1 stop
Depart: Thu Mar 30 2017 Return: Tue Apr 4 2017 Trip spans 6 days
United
United
STL
6:15a
BWI
11:41a
5h 26m
1 stop
BWI
1:46p
STL
8:56p
7h 10m
1 stop
Depart: Wed Mar 22 2017 Return: Tue Mar 28 2017 Trip spans 7 days
American Airlines
American Airlines
STL
8:54a
BWI
1:10p
4h 16m
1 stop
BWI
1:10a
STL
5:45a
4h 35m
1 stop
Depart: Tue May 23 2017 Return: Tue Jun 6 2017 Trip spans 15 days
Delta
Delta
STL
6:30a
BWI
10:35a
4h 05m
1 stop
BWI
8:15a
STL
1:07p
4h 52m
1 stop
Depart: Mon Apr 3 2017 Return: Tue Apr 4 2017 Trip spans 2 days
United
United
STL
12:35p
BWI
5:17p
4h 42m
1 stop
BWI
1:46p
STL
8:56p
7h 10m
1 stop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
American Airlines
American Airlines
STL
2:00a
BWI
6:06a
4h 06m
1 stop
BWI
4:40a
STL
9:10a
4h 30m
1 stop
Depart: Mon Mar 20 2017 Return: Tue Mar 21 2017 Trip spans 2 days
Delta
Delta
STL
3:06p
BWI
7:40p
4h 34m
1 stop
BWI
7:26a
STL
12:05p
4h 39m
1 stop
Depart: Wed Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
American Airlines
American Airlines
STL
3:10a
BWI
9:32a
6h 22m
1 stop
BWI
3:35p
STL
8:49p
5h 14m
1 stop
Depart: Wed Mar 29 2017 Return: Mon Apr 3 2017 Trip spans 6 days
Delta
Delta
STL
12:47p
BWI
4:45p
3h 58m
1 stop
BWI
1:59p
STL
6:25p
4h 26m
1 stop
Depart: Fri May 26 2017 Return: Sun May 28 2017 Trip spans 3 days
Major Airline
Major Airline
STL
11:20a
BWI
6:59a
19h 39m
1 stop
BWI
9:00a
STL
11:20a
26h 20m
1 stop
Depart: Sat Mar 25 2017 Return: Tue Mar 28 2017 Trip spans 4 days
United
United
STL
10:20a
BWI
5:14p
6h 54m
1 stop
BWI
1:50a
STL
6:57a
5h 07m
1 stop
Depart: Tue Apr 11 2017 Return: Sat Apr 15 2017 Trip spans 5 days
American Airlines
American Airlines
STL
3:10a
BWI
9:32a
6h 22m
1 stop
BWI
2:20a
STL
7:32a
5h 12m
1 stop
Depart: Mon Apr 10 2017 Return: Tue Apr 18 2017 Trip spans 9 days
Delta
Delta
STL
3:05p
BWI
7:29p
4h 24m
1 stop
BWI
7:20a
STL
11:48a
4h 28m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 5 2017 Trip spans 2 days
United
United
STL
12:30p
BWI
5:36p
5h 06m
1 stop
BWI
1:36p
STL
8:56p
7h 20m
1 stop
Depart: Thu Aug 3 2017 Return: Thu Aug 10 2017 Trip spans 8 days
Major Airline
Major Airline
STL
9:42a
BWI
8:38a
22h 56m
1 stop
BWI
8:58a
STL
10:02a
25h 04m
1 stop
Select an airline:  Southwest
Direct flights STL to BWI on Southwest
Flight # Depart STL Arrive BWI Sun Mon Tue Wed Thu Fri Sat Valid Between
1623 5:45 am 8:40 am Mar 9 - Mar 9
1623 6:15 am 9:10 am Mar 10 - Mar 10
1623 6:15 am 9:10 am Mar 13 - Apr 24
4106 6:45 am 9:40 am Feb 18 - Mar 4
6187 6:50 am 9:45 am Mar 11 - Mar 11
6187 6:50 am 9:45 am Mar 18 - Apr 22
1045 8:20 am 11:15 am Mar 10 - Mar 10
1045 8:20 am 11:15 am Mar 13 - Apr 24
912 8:20 am 11:15 am Mar 9 - Mar 9
1879 8:25 am 11:15 am Feb 16 - Mar 8
3402 10:10 am 1:05 pm Mar 12 - Apr 23
4916 10:45 am 1:40 pm Feb 19 - Mar 5
5495 12:20 pm 3:15 pm Mar 11 - Mar 11
5495 12:20 pm 3:15 pm Mar 18 - Apr 22
145 1:15 pm 4:05 pm Feb 27 - Mar 8
2976 4:50 pm 7:45 pm Mar 12 - Apr 23
1697 5:10 pm 8:00 pm Mar 9 - Mar 9
1697 5:15 pm 8:05 pm Mar 13 - Apr 24
1697 5:15 pm 8:05 pm Mar 10 - Mar 10
6537 6:00 pm 8:50 pm Mar 11 - Mar 11
6537 6:00 pm 8:50 pm Mar 18 - Apr 22
5288 7:15 pm 10:05 pm Feb 18 - Mar 4
1015 7:50 pm 10:40 pm Mar 9 - Mar 9
2496 7:50 pm 10:40 pm Mar 13 - Mar 17
2496 7:50 pm 10:40 pm Mar 10 - Mar 10
2496 7:50 pm 10:40 pm Mar 20 - Apr 24
3025 7:50 pm 10:40 pm Feb 19 - Mar 5
3118 7:50 pm 10:40 pm Mar 26 - Apr 23
3118 7:50 pm 10:40 pm Mar 12 - Mar 19
566 8:00 pm 10:50 pm Mar 6 - Mar 8
566 8:00 pm 10:50 pm Feb 27 - Mar 3
* 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
$217
Destination

Baltimore
$217