Find Philadelphia to St. Louis flights starting at CAD 22.
Book one-way or return flights from Philadelphia to St. Louis from as little as CAD 22. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PHL20:192h 27mDirectSTL21:46Wed, Jun 5|Philadelphia - St. Louis|Frontier AirlinesCAD 22CAD 7169% OFF69% OFFCAD 71CAD 22
- PHL06:302h 27mDirectSTL07:57Wed, May 29|Philadelphia - St. Louis|Frontier AirlinesCAD 24CAD 7167% OFF67% OFFCAD 71CAD 24
- PHL06:302h 27mDirectSTL07:57Sat, May 25|Philadelphia - St. Louis|Frontier AirlinesCAD 26CAD 7163% OFF63% OFFCAD 71CAD 26
- PHL06:302h 27mDirectSTL07:57Sat, Jun 1|Philadelphia - St. Louis|Frontier AirlinesCAD 26CAD 26
- PHL06:302h 27mDirectSTL07:57Wed, May 22|Philadelphia - St. Louis|Frontier AirlinesCAD 30CAD 30
- PHL13:122h 30mDirectSTL14:42Wed, Jul 17|Philadelphia - St. Louis|Frontier AirlinesCAD 37CAD 37
- PHL12:512h 27mDirectSTL14:18Sat, Jun 29|Philadelphia - St. Louis|Frontier AirlinesCAD 38CAD 38
- PHL09:172h 30mDirectSTL10:47Sat, Jul 13|Philadelphia - St. Louis|Frontier AirlinesCAD 38CAD 38
- PHL12:512h 27mDirectSTL14:18Sat, Jun 22|Philadelphia - St. Louis|Frontier AirlinesCAD 40CAD 40
- PHL09:172h 30mDirectSTL10:47Sat, Jul 20|Philadelphia - St. Louis|Frontier AirlinesCAD 40CAD 40
- PHL13:003h 5mDirectSTL14:00Thu, May 23|Philadelphia - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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- CheapestPHL06:302h 27mDirectSTL07:57Philadelphia International Airport - St.Louis Lambert International AirportWed, May 29Frontier AirlinesCAD 24
- TTN18:4313h 25m1 transferSTL07:08Trenton Mercer Airport - St.Louis Lambert International AirportMon, May 20Frontier AirlinesCAD 74
- TTN18:4313h 25m1 transferSTL07:08Trenton Mercer Airport - St.Louis Lambert International AirportMon, May 20Frontier AirlinesCAD 74Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Philadelphia to St. Louis
Cheapest direct flight price | CAD 21 |
---|---|
Cheapest return ticket price | CAD 69 |
Cheapest month | May |
Peak season for travel | November |
Flight distance | 1,293.47km |
Average flight time | 2 hours 34 minutes |
Popular airline | American Airlines |
Plan Your Trip Around St. Louis
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