Philadelphia to St.Louis Cheap Flights

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Philadelphia to St.Louis Flights from US$51 incl. tax

Discover the best flight deals from Philadelphia to St.Louis

Philadelphia to St.Louis Flight Route Info

Departure City
Philadelphia
United States
Philadelphia International Airport (PHL)Trenton Mercer Airport (TTN)
Arrival City
St.Louis
United States
St. Louis Lambert International Airport (STL)

Philadelphia to St.Louis Route Summary

TTN → STLPHL → STL

Philadelphia to St.Louis Flights

Compare and book the best deals

Frontier Airlines
Frontier Airlines
F9
11:00
PHL
Philadelphia
20h 51m
1 stop
06:51
STL
St.Louis
US$290
US$51
83% OFF
Frontier Airlines
Frontier Airlines
F9
18:59
PHL
Philadelphia
28h 34m
1 stop
22:33
STL
St.Louis
US$290
US$82
72% OFF
Frontier Airlines
Frontier Airlines
F9
14:06
PHL
Philadelphia
9h 27m
1 stop
22:33
STL
St.Louis
US$290
US$83
72% OFF
Frontier Airlines
Frontier Airlines
F9
15:46
PHL
Philadelphia
7h 47m
1 stop
22:33
STL
St.Louis
US$290
US$84
71% OFF
Frontier Airlines
Frontier Airlines
F9
20:25
PHL
Philadelphia
28h 8m
1 stop
23:33
STL
St.Louis
US$290
US$88
70% OFF
Frontier Airlines
Frontier Airlines
F9
06:00
PHL
Philadelphia
17h 33m
1 stop
22:33
STL
St.Louis
US$290
US$91
69% OFF

Philadelphia to St.Louis Departure Airports

Airports in Philadelphia

Philadelphia International Airport
PHL
Philadelphia, 美国
Trenton Mercer Airport
TTN
Philadelphia, 美国

Philadelphia to St.Louis Arrival Airports

Airports in St.Louis

St. Louis Lambert International Airport
STL
St. Louis, 美国

Philadelphia to St.Louis Airlines

Airlines operating flights on this route

American Airlines
AA

American Airlines

Delta Air Lines
DL

Delta Air Lines

Frontier Airlines
F9

Frontier Airlines

Spirit Airlines
NK

Spirit Airlines

United Airlines
UA

United Airlines