Cheap Flights from St. Louis to Philadelphia International Airport
- One way
- Round-trip
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- STL08:472h 14mDirectPHL12:01St. Louis - Philadelphia|Wed, May 29|Frontier AirlinesCNY 17CNY 8078% OFF78% OFFCNY 80CNY 17
- STL08:472h 14mDirectPHL12:01St. Louis - Philadelphia|Wed, May 22|Frontier AirlinesCNY 34CNY 8057% OFF57% OFFCNY 80CNY 34
- STL15:322h 13mDirectPHL18:45St. Louis - Philadelphia|Wed, Jun 12|Frontier AirlinesCNY 38CNY 8052% OFF52% OFFCNY 80CNY 38
- STL22:362h 14mDirectPHL01:50St. Louis - Philadelphia|Wed, Jun 5|Frontier AirlinesCNY 38CNY 38
- STL11:472h 13mDirectPHL15:00St. Louis - Philadelphia|Sat, Jun 8|Frontier AirlinesCNY 40CNY 40
- STL19:2310h 16m1 stopPHL06:39St. Louis - Philadelphia|Thu, May 16|Frontier AirlinesCNY 48CNY 48
- STL20:048h 41m1 stopPHL05:45St. Louis - Philadelphia|Sat, Apr 27|Frontier AirlinesCNY 49CNY 49
- STL20:048h 41m1 stopPHL05:45St. Louis - Philadelphia|Sat, May 4|Frontier AirlinesCNY 51CNY 51
- STL19:1611h 34m1 stopPHL07:50St. Louis - Philadelphia|Tue, May 14|Frontier AirlinesCNY 55CNY 55
- STL17:5612h 54m1 stopPHL07:50St. Louis - Philadelphia|Wed, May 15|Frontier AirlinesCNY 55CNY 55
- STL13:003h 5mDirectPHL14:00St. Louis - Philadelphia|Fri, Apr 26|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
There are 1 airport(s) in St. Louis. Discover the top routes now!
- 21.12 km from downtown St. LouisSt. Louis Lambert International AirportTickets FromUS$17
AA629
American Airlines
05:55
STL
07:11
ORD
SMTWTFSF92210
Frontier Airlines
17:28
MDW
20:29
PHL
-M---F-AA629
American Airlines
05:55
STL
07:11
ORD
SMTWTFSF94368
Frontier Airlines
10:59
MDW
13:58
PHL
S-TWT-SF93301
Frontier Airlines
15:53
STL
17:17
DEN
-M-W--SF93266
Frontier Airlines
12:26
DEN
18:08
PHL
SMTWTFSF91632
Frontier Airlines
19:16
STL
22:48
MCO
-M-WT-SF91542
Frontier Airlines
05:15
MCO
07:52
PHL
-MTWTFSF9007
Frontier Airlines
20:04
STL
21:35
DEN
S-T-TF-F92210
Frontier Airlines
13:11
DEN
20:29
PHL
-M---F-F9007
Frontier Airlines
20:04
STL
21:35
DEN
S-T-TF-F93266
Frontier Airlines
12:26
DEN
18:08
PHL
SMTWTFSF92850
Frontier Airlines
21:27
STL
00:57
MCO
--T--F-F91542
Frontier Airlines
05:15
MCO
07:52
PHL
-MTWTFS
Flight Info of Flights from St. Louis to Philadelphia International Airport
Cheapest round-trip ticket price | $82 |
---|---|
Cheapest nonstop flight price | $17 |
Off-season for travel | May |
Peak season for travel | July |
FAQs for St. Louis to Philadelphia International Airport Flights
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