Find Cheap Flights from Philadelphia to Lambert-St Louis (PHL - STL)

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 Philadelphia to Lambert-St Louis

(Round-trip)
Depart: Sat Jul 22 2017 Return: Sat Jul 29 2017 Trip spans 8 days
Frontier
Frontier
PHL
1:05p
STL
8:13p
7h 08m
1 stop
STL
10:15a
PHL
7:33p
9h 18m
1 stop
Depart: Tue Aug 22 2017 Return: Wed Aug 23 2017 Trip spans 2 days
American Airlines
American Airlines
PHL
9:25a
STL
11:50a
2h 25m
nonstop
STL
12:10p
PHL
2:20p
2h 10m
nonstop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
Major Airline
Major Airline
PHL
1:59p
STL
4:13p
26h 14m
1 stop
STL
6:15a
PHL
8:34p
14h 19m
1 stop
Depart: Tue Aug 1 2017 Return: Wed Aug 2 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PHL
5:15a
STL
7:46a
2h 31m
nonstop
STL
7:25a
PHL
9:43a
2h 18m
nonstop
Depart: Tue Nov 21 2017 Return: Sun Nov 26 2017 Trip spans 6 days
Delta
Delta
PHL
4:40a
STL
8:52a
4h 12m
1 stop
STL
3:35a
PHL
7:18a
3h 43m
1 stop
Depart: Sat Sep 9 2017 Return: Sat Sep 16 2017 Trip spans 8 days
Frontier
Frontier
PHL
11:20a
STL
8:07p
8h 47m
1 stop
STL
12:05p
PHL
7:26p
7h 21m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
American Airlines
American Airlines
PHL
5:10a
STL
7:46a
2h 36m
nonstop
STL
12:10p
PHL
2:20p
2h 10m
nonstop
Depart: Tue Sep 12 2017 Return: Sat Sep 16 2017 Trip spans 5 days
Frontier
Frontier
PHL
11:20a
STL
8:07p
8h 47m
1 stop
STL
12:05p
PHL
7:26p
7h 21m
1 stop
Depart: Mon Jul 17 2017 Return: Tue Jul 18 2017 Trip spans 2 days
Major Airline
Major Airline
PHL
9:05a
STL
4:13p
7h 08m
1 stop
STL
11:35a
PHL
8:34p
8h 59m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
American Airlines
American Airlines
PHL
5:10a
STL
7:46a
2h 36m
nonstop
STL
12:10p
PHL
2:20p
2h 10m
nonstop
Depart: Wed Aug 9 2017 Return: Sun Aug 13 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
PHL
5:15a
STL
7:46a
2h 31m
nonstop
STL
2:50a
PHL
5:05a
2h 15m
nonstop
Depart: Wed Sep 13 2017 Return: Sat Sep 16 2017 Trip spans 4 days
Frontier
Frontier
PHL
11:20a
STL
8:07p
8h 47m
1 stop
STL
12:05p
PHL
7:26p
7h 21m
1 stop
Depart: Thu Jul 20 2017 Return: Sat Jul 22 2017 Trip spans 3 days
Major Airline
Major Airline
PHL
1:59p
STL
4:13p
26h 14m
1 stop
STL
6:15a
PHL
3:33p
9h 18m
1 stop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
American Airlines
American Airlines
PHL
5:10a
STL
7:46a
2h 36m
nonstop
STL
7:25a
PHL
9:43a
2h 18m
nonstop
Depart: Sat Sep 16 2017 Return: Tue Sep 19 2017 Trip spans 4 days
Frontier
Frontier
PHL
11:20a
STL
8:07p
8h 47m
1 stop
STL
12:05p
PHL
7:26p
7h 21m
1 stop
Depart: Sun Jul 30 2017 Return: Wed Aug 2 2017 Trip spans 4 days
Major Airline
Major Airline
PHL
1:59p
STL
4:13p
26h 14m
1 stop
STL
6:15a
PHL
3:33p
9h 18m
1 stop
Depart: Thu Sep 14 2017 Return: Sat Sep 16 2017 Trip spans 3 days
American Airlines
American Airlines
PHL
9:25a
STL
11:50a
2h 25m
nonstop
STL
2:50a
PHL
5:07a
2h 17m
nonstop
Depart: Tue Oct 3 2017 Return: Sat Oct 7 2017 Trip spans 5 days
Frontier
Frontier
PHL
11:20a
STL
8:07p
8h 47m
1 stop
STL
12:05p
PHL
7:26p
7h 21m
1 stop
Depart: Wed Aug 2 2017 Return: Sat Aug 5 2017 Trip spans 4 days
Major Airline
Major Airline
PHL
2:35p
STL
4:13p
25h 38m
1 stop
STL
11:35a
PHL
8:40p
9h 05m
1 stop
Depart: Mon Sep 18 2017 Return: Tue Sep 19 2017 Trip spans 2 days
American Airlines
American Airlines
PHL
9:25a
STL
11:50a
2h 25m
nonstop
STL
5:07a
PHL
7:24a
2h 17m
nonstop
Direct flights PHL to STL on American Airlines
Flight # Depart PHL Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
4076 9:10 am 10:43 am Jul 9 - Aug 20
4282 9:10 am 10:43 am Jul 8 - Aug 19
4653 9:15 am 10:46 am Jul 5 - Aug 21
4282 10:45 am 12:18 pm Jun 29 - Jul 4
4849 10:45 am 12:18 pm Jul 5 - Aug 21
4157 1:25 pm 2:54 pm Jul 8 - Aug 19
4817 1:25 pm 2:56 pm Jul 5 - Aug 21
4990 1:25 pm 2:58 pm Jun 29 - Jul 4
4157 5:40 pm 7:10 pm Jun 29 - Jul 4
4157 5:40 pm 7:08 pm Jul 5 - Aug 21
5171 5:40 pm 7:05 pm Jul 8 - Aug 19
5171 8:10 pm 9:32 pm Jun 30 - Jul 4
5171 8:10 pm 9:30 pm Jul 5 - Jul 17
5171 8:10 pm 9:30 pm Jul 18 - Aug 21
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Philadelphia
$318
Destination

St. Louis
$318
Airlines Airline reviews

8 travelers who booked a flight from Philadelphia to St. Louis rated their chosen airlines with an average of 8.4.

Overall
8.3
Boarding
8.0
Crew
9.0
Comfort
9.0
Food
8.0
Entertainment
6.7