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.
A non-stop 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.
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Answers to questions about the route that travelers are most interested in.
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.
There are most likely no direct flights on the Philadelphia — Saint Louis route
Philadelphia — Saint Louis
06/07/2026
Departure
Direct flight
WN3227
starting at $515
starting at $515
starting at $177
The Philadelphia — Saint Louis route is served by multiple airlines, including Southwest Airlines and American Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $177, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest one-way flight from Philadelphia to Saint Louis departs on 06/07/2026, is operated by American Airlines and costs $177
There is no information about the cheapest roundtrip flight from Philadelphia to Saint Louis
Fastest flight from Philadelphia to Saint Louis takes 2h 36m
There are direct flights on this route 1 day a week: Su
The distance between Philadelphia and Saint Louis is 1300km (806 miles). There are 10 direct flights from Philadelphia to Saint Louis. The time difference between Philadelphia and Saint Louis is 1h. Flights from Philadelphia begin at 6:10 AM. The latest flight from Philadelphia departs at 7:10 PM
The cheapest flight ticket from Philadelphia to Saint Louis according to data for the last 48 hours costs $177
Often the best time to buy tickets from Philadelphia to Saint Louis is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Philadelphia to Saint Louis can be found flying in these months: June.
The fastest flights from Philadelphia to Saint Louis start from 2 hours 36 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — Saint Louis: Southwest Airlines
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
We couldn't find any special offers for flights from Philadelphia to Saint Louis