Find Deals on Flights from St. Louis Lambert-St Louis to Pittsburgh (STL - PIT)

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 St. Louis Lambert-St Louis to Pittsburgh

(Round-trip)
Depart: Tue May 17 2016 Return: Tue May 24 2016 Trip spans 8 days
United
United
STL
1:02a
PIT
5:03a
4h 01m
1 stop
PIT
3:30p
STL
8:51p
5h 21m
1 stop
Depart: Wed May 18 2016 Return: Tue May 24 2016 Trip spans 7 days
Delta
Delta
STL
2:44p
PIT
5:58p
3h 14m
1 stop
PIT
8:00a
STL
1:28p
5h 28m
1 stop
Depart: Wed Sep 21 2016 Return: Mon Sep 26 2016 Trip spans 6 days
Major Airline
Major Airline
STL
9:07p
PIT
2:42a
5h 35m
1 stop
PIT
7:50a
STL
1:42p
5h 52m
1 stop
Depart: Tue May 10 2016 Return: Sat May 14 2016 Trip spans 5 days
American Airlines
American Airlines
STL
2:00a
PIT
6:13a
4h 13m
1 stop
PIT
4:15p
STL
8:01p
3h 46m
1 stop
Depart: Wed Jun 8 2016 Return: Wed Jun 15 2016 Trip spans 8 days
United
United
STL
2:24p
PIT
6:08p
3h 44m
1 stop
PIT
2:20a
STL
5:56a
3h 36m
1 stop
Depart: Sat Jul 2 2016 Return: Tue Jul 5 2016 Trip spans 4 days
Delta
Delta
STL
12:30p
PIT
6:02p
5h 32m
1 stop
PIT
2:00p
STL
8:17p
6h 17m
1 stop
Depart: Fri Jun 10 2016 Return: Tue Jun 14 2016 Trip spans 5 days
Major Airline
Major Airline
STL
9:10a
PIT
2:54p
5h 44m
1 stop
PIT
4:00a
STL
8:25a
4h 25m
1 stop
Depart: Sat May 7 2016 Return: Sat May 14 2016 Trip spans 8 days
American Airlines
American Airlines
STL
1:55a
PIT
7:39a
5h 44m
1 stop
PIT
4:15p
STL
8:01p
3h 46m
1 stop
Depart: Sun May 8 2016 Return: Sat May 14 2016 Trip spans 7 days
American Airlines
American Airlines
STL
2:05a
PIT
7:44a
5h 39m
1 stop
PIT
4:15p
STL
8:01p
3h 46m
1 stop
Depart: Wed May 4 2016 Return: Thu May 5 2016 Trip spans 2 days
American Airlines
American Airlines
STL
2:00a
PIT
6:20a
4h 20m
1 stop
PIT
1:20a
STL
5:44a
4h 24m
1 stop
Depart: Thu May 19 2016 Return: Tue May 24 2016 Trip spans 6 days
United
United
STL
1:02a
PIT
5:03a
4h 01m
1 stop
PIT
8:03a
STL
12:28p
4h 25m
1 stop
Depart: Fri May 27 2016 Return: Sun May 29 2016 Trip spans 3 days
Major Airline
Major Airline
STL
3:19a
PIT
1:59p
10h 40m
2 stops
PIT
2:15p
STL
6:35p
4h 20m
1 stop
Depart: Fri May 20 2016 Return: Sun May 22 2016 Trip spans 3 days
Delta
Delta
STL
1:15p
PIT
5:59p
4h 44m
1 stop
PIT
2:45a
STL
6:34a
3h 49m
1 stop
Depart: Thu May 5 2016 Return: Fri May 6 2016 Trip spans 2 days
American Airlines
American Airlines
STL
2:00a
PIT
6:13a
4h 13m
1 stop
PIT
11:20a
STL
4:25p
5h 05m
1 stop
Depart: Thu Jun 16 2016 Return: Wed Jun 22 2016 Trip spans 7 days
United
United
STL
2:00a
PIT
8:09a
6h 09m
1 stop
PIT
2:20a
STL
5:56a
3h 36m
1 stop
Depart: Thu Jun 9 2016 Return: Sun Jun 12 2016 Trip spans 4 days
Major Airline
Major Airline
STL
9:00p
PIT
2:16a
5h 16m
1 stop
PIT
12:10a
STL
5:45a
5h 35m
1 stop
Depart: Fri Jun 24 2016 Return: Wed Jun 29 2016 Trip spans 6 days
American Airlines
American Airlines
STL
2:00a
PIT
6:16a
4h 16m
1 stop
PIT
2:00a
STL
8:03a
6h 03m
1 stop
Depart: Sun May 15 2016 Return: Tue May 24 2016 Trip spans 10 days
Delta
Delta
STL
1:55a
PIT
5:43a
3h 48m
1 stop
PIT
2:05a
STL
7:45a
5h 40m
1 stop
Depart: Sat Jun 25 2016 Return: Wed Jun 29 2016 Trip spans 5 days
United
United
STL
5:27a
PIT
11:53a
6h 26m
1 stop
PIT
2:20a
STL
7:12a
4h 52m
1 stop
Depart: Thu Jun 30 2016 Return: Wed Jul 6 2016 Trip spans 7 days
American Airlines
American Airlines
STL
2:00a
PIT
6:16a
4h 16m
1 stop
PIT
1:43a
STL
5:35a
3h 52m
1 stop
Select an airline:  Southwest
Direct flights STL to PIT on Southwest
Flight # Depart STL Arrive PIT Sun Mon Tue Wed Thu Fri Sat Valid Between
1952 3:40 pm 6:15 pm May 30 - May 30
2544 3:40 pm 6:15 pm May 29 - May 29
2701 3:40 pm 6:15 pm May 1 - May 22
2701 3:40 pm 6:15 pm May 31 - Jun 3
2701 3:40 pm 6:15 pm May 2 - May 27
1400 3:45 pm 6:25 pm Jun 5 - Jun 10
3919 5:40 pm 8:20 pm Jun 4 - Jun 4
3919 5:40 pm 8:20 pm May 28 - May 28
3919 5:40 pm 8:20 pm Apr 30 - May 21
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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.

We aggregate tons 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 don'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.

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
$172
Destination

Pittsburgh
$172