Helping travelers to find the best flight offers
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 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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Philadelphia to Saint Louis:
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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.
The Philadelphia — Saint Louis route is served by multiple airlines, including Southwest Airlines, American Airlines, and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $72, 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.
Philadelphia — Saint Louis
01/05/2026
Departure
Direct flight
WN2258
Starting at $214
Philadelphia — Saint Louis
01/07/2026
Departure
Direct flight
AA5224
Starting at $223
Philadelphia — Saint Louis
01/08/2026
Departure
Direct flight
AA5224
Starting at $99
Philadelphia — Saint Louis
01/08/2026
Departure
Direct flight
AA4756
Starting at $154
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Philadelphia to Saint Louis departs on 01/07/2026, is operated by Frontier Airlines and costs $72
The cheapest roundtrip flight from Philadelphia to Saint Louis departs on 01/06/2026, is operated by Frontier Airlines and costs $144
Fastest flight from Philadelphia to Saint Louis takes 7h 37m
There are no direct flights on this route.
The distance between Philadelphia and Saint Louis is 1300km (806 miles). There are 39 direct flights from Philadelphia to Saint Louis. The time difference between Philadelphia and Saint Louis is 1h. Flights from Philadelphia begin at 7:40 AM. The latest flight from Philadelphia departs at 8:00 PM
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 $72
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 7 hours 37 minutes in the air.
The following airlines operate direct flights on the route Philadelphia — Saint Louis: Southwest Airlines, American 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