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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Lambert-St Louis to Baltimore/Washington

(Round-trip)
Depart: Thu Jan 5 2017 Return: Mon Jan 9 2017 Trip spans 5 days
American Airlines
American Airlines
STL
1:00a
BWI
5:01a
4h 01m
1 stop
BWI
10:32a
STL
3:11p
4h 39m
1 stop
Depart: Sat Jan 7 2017 Return: Thu Jan 12 2017 Trip spans 6 days
United
United
STL
6:45a
BWI
10:37a
3h 52m
1 stop
BWI
1:25a
STL
7:04a
5h 39m
1 stop
Depart: Thu Apr 6 2017 Return: Mon Apr 10 2017 Trip spans 5 days
Delta
Delta
STL
1:00p
BWI
6:55p
5h 55m
1 stop
BWI
3:10p
STL
7:38p
4h 28m
1 stop
Depart: Mon Dec 12 2016 Return: Mon Dec 19 2016 Trip spans 8 days
Major Airline
Major Airline
STL
12:00a
BWI
12:28a
0h 28m
nonstop
BWI
8:00a
STL
10:28a
2h 28m
nonstop
Depart: Mon Jan 9 2017 Return: Wed Jan 11 2017 Trip spans 3 days
American Airlines
American Airlines
STL
7:54a
BWI
12:15p
4h 21m
1 stop
BWI
12:10p
STL
5:32p
5h 22m
1 stop
Depart: Wed Dec 28 2016 Return: Wed Jan 4 2017 Trip spans 8 days
United
United
STL
12:25a
BWI
4:40a
4h 15m
1 stop
BWI
12:30p
STL
4:56p
4h 26m
1 stop
Depart: Thu Dec 29 2016 Return: Sat Dec 31 2016 Trip spans 3 days
Delta
Delta
STL
11:46a
BWI
4:07p
4h 21m
1 stop
BWI
2:00p
STL
7:22p
5h 22m
1 stop
Depart: Tue Jan 17 2017 Return: Thu Jan 19 2017 Trip spans 3 days
American Airlines
American Airlines
STL
9:36a
BWI
3:33p
5h 57m
1 stop
BWI
10:32a
STL
5:32p
7h 00m
1 stop
Depart: Sun Jan 8 2017 Return: Wed Jan 11 2017 Trip spans 4 days
Delta
Delta
STL
2:00p
BWI
6:07p
4h 07m
1 stop
BWI
1:00a
STL
5:41a
4h 41m
1 stop
Depart: Fri Jan 13 2017 Return: Mon Jan 16 2017 Trip spans 4 days
United
United
STL
5:40a
BWI
12:54p
7h 14m
1 stop
BWI
1:25a
STL
7:04a
5h 39m
1 stop
Depart: Sat Jan 21 2017 Return: Tue Jan 24 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:20p
BWI
5:58p
4h 38m
1 stop
BWI
3:40a
STL
8:14a
4h 34m
1 stop
Depart: Wed Dec 14 2016 Return: Sat Dec 17 2016 Trip spans 4 days
Major Airline
Major Airline
STL
12:00a
BWI
12:28a
0h 28m
nonstop
BWI
8:00a
STL
10:28a
2h 28m
nonstop
Depart: Fri Feb 24 2017 Return: Mon Feb 27 2017 Trip spans 4 days
Delta
Delta
STL
3:35a
BWI
7:00a
3h 25m
1 stop
BWI
11:20a
STL
4:21p
5h 01m
1 stop
Depart: Mon Jan 23 2017 Return: Tue Mar 14 2017 Trip spans 50 days
American Airlines
American Airlines
STL
9:36a
BWI
1:21p
3h 45m
1 stop
BWI
1:20p
STL
5:56p
4h 36m
1 stop
Depart: Fri Mar 24 2017 Return: Mon Mar 27 2017 Trip spans 4 days
Delta
Delta
STL
2:31p
BWI
7:33p
5h 02m
1 stop
BWI
4:15p
STL
8:41p
4h 26m
1 stop
Depart: Tue Jan 24 2017 Return: Tue Mar 14 2017 Trip spans 49 days
American Airlines
American Airlines
STL
1:00a
BWI
5:18a
4h 18m
1 stop
BWI
1:15a
STL
5:27a
4h 12m
1 stop
Depart: Fri Mar 31 2017 Return: Tue Apr 4 2017 Trip spans 5 days
Delta
Delta
STL
4:35a
BWI
8:00a
3h 25m
1 stop
BWI
1:50p
STL
5:22p
3h 32m
1 stop
Depart: Wed Jan 25 2017 Return: Mon Jan 30 2017 Trip spans 6 days
American Airlines
American Airlines
STL
1:00a
BWI
5:18a
4h 18m
1 stop
BWI
2:00a
STL
8:14a
6h 14m
1 stop
Depart: Thu May 11 2017 Return: Thu May 18 2017 Trip spans 8 days
Delta
Delta
STL
2:45a
BWI
7:32a
4h 47m
1 stop
BWI
4:50a
STL
11:34a
6h 44m
1 stop
Depart: Thu Jan 26 2017 Return: Wed Mar 15 2017 Trip spans 48 days
American Airlines
American Airlines
STL
1:00a
BWI
5:18a
4h 18m
1 stop
BWI
1:20p
STL
5:56p
4h 36m
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
6324 5:55 am 8:50 am Dec 21 - Jan 2
4106 6:45 am 9:40 am Jan 7 - Mar 4
2574 8:15 am 11:10 am Jan 3 - Jan 4
2574 8:15 am 11:10 am Dec 8 - Dec 20
5894 8:15 am 11:10 am Jan 1 - Jan 1
5894 8:15 am 11:10 am Dec 11 - Dec 18
6059 8:20 am 11:15 am Dec 17 - Dec 17
1879 8:25 am 11:15 am Jan 5 - Mar 8
4564 8:25 am 11:20 am Dec 21 - Jan 2
2861 10:05 am 12:55 pm Dec 8 - Dec 20
2861 10:05 am 12:55 pm Jan 1 - Jan 4
3472 10:05 am 12:55 pm Dec 25 - Dec 25
3553 10:25 am 1:15 pm Dec 21 - Jan 2
4916 10:45 am 1:40 pm Jan 8 - Jan 29
2529 11:30 am 2:20 pm Dec 31 - Dec 31
894 11:30 am 2:20 pm Dec 24 - Dec 24
2103 1:05 pm 3:55 pm Dec 17 - Dec 17
145 1:15 pm 4:05 pm Jan 16 - Jan 20
145 1:15 pm 4:05 pm Jan 5 - Jan 13
2869 3:05 pm 6:00 pm Dec 29 - Jan 2
2869 3:05 pm 6:00 pm Dec 21 - Dec 28
2096 4:30 pm 7:20 pm Dec 17 - Dec 17
1845 5:15 pm 8:05 pm Jan 1 - Jan 4
1845 5:15 pm 8:05 pm Dec 8 - Dec 20
3087 5:15 pm 8:05 pm Dec 25 - Dec 25
4051 5:40 pm 8:30 pm Dec 21 - Jan 2
1720 6:25 pm 9:15 pm Dec 24 - Dec 24
2852 6:25 pm 9:15 pm Dec 31 - Dec 31
5288 6:50 pm 9:40 pm Jan 7 - Jan 14
2507 7:25 pm 10:15 pm Dec 25 - Dec 25
1062 7:40 pm 10:30 pm Jan 1 - Jan 3
1062 7:40 pm 10:30 pm Dec 18 - Dec 20
3025 7:50 pm 10:40 pm Jan 8 - Jan 29
566 8:00 pm 10:50 pm Jan 5 - Jan 5
566 8:00 pm 10:50 pm Jan 6 - Feb 13
971 8:00 pm 10:50 pm Dec 17 - Dec 17
4374 8:55 pm 11:45 pm Dec 21 - Jan 2
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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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.

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Airports
Origin

St. Louis
$273
Destination

Baltimore
$273