Helping travelers to find the best flight offers
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Philadelphia to Saint Louis:
Unable to find information about the schedule of direct flights from
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Philadelphia to Saint Louis
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Philadelphia to Saint Louis. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Below you will find a list of airlines operating flights on the Philadelphia — Saint Louis route and the starting prices for flights of each specific airline on it.
A direct flight is the most convenient and comfortable way to fly from Philadelphia to Saint Louis, despite the fact that sometimes flights with transfers can cost significantly less.
Philadelphia — Saint Louis
07/19/2025
Departure date
Direct flight
WN4192
Starting at $383
Philadelphia — Saint Louis
07/20/2025
Departure date
Direct flight
AA2368
Starting at $505
Starting at $383
Starting at $505
Starting at $121
Starting at $155
We couldn't find any special offers for flights from Philadelphia to Saint Louis
The cheapest flight ticket from Philadelphia to Saint Louis according to data for the last 48 hours costs $121
Often the best time to buy tickets from Philadelphia to Saint Louis is 2 months before departure.
The fastest flights from Philadelphia to Saint Louis start from 3 hours 52 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — Saint Louis: Southwest Airlines, American Airlines
The cheapest one-way flight from Philadelphia to Saint Louis departs on 07/19/2025, is operated by Frontier Airlines and costs $121
The cheapest roundtrip flight from Philadelphia to Saint Louis departs on 07/19/2025, is operated by Spirit Airlines and costs $198
Fastest flight from Philadelphia to Saint Louis takes 3h 52m
There are no direct flights on this route.
The distance between Philadelphia and Saint Louis is 1300km (806 miles). There are 36 direct flights from Philadelphia to Saint Louis. The time difference between Philadelphia and Saint Louis is 1h . Flights from Philadelphia begin at 7:05 AM. The latest flight from Philadelphia departs at 8:35 PM.
