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Uncover the best deals on Philadelphia to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest PHL - STL Flights
Useful information for finding best airline tickets from Philadelphia International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$888
American Airlines
• 1 stop
• 37h 5m
Nov 10 – Nov 17
The cheapest round trip flight from Philadelphia to St Louis (PHL-STL-PHL) is currently $888
Fastest Flight
20h 26m
The fastest nonstop flight from Philadelphia to St Louis (PHL-STL) takes 20h 26m
Top Airlines Flying from Philadelphia to St Louis
Latest Flight Deals from Philadelphia (PHL) to St Louis (STL)
Compare and book low fare round-trip air tickets from Philadelphia to St Louis. Ideal for travelers with confirmed return itineraries.
Nov 10 - Nov 17, Economy
Philadelphia → St Louis
37h 5m
9:57 PM - 7:22 PM • 1 stop
Philadelphia → St Louis
3h 38m
6:02 AM - 9:20 AM • nonstop
American Airlines
Nov 10 - Nov 17, Economy
Philadelphia → St Louis
45h 2m
9:57 PM - 11:59 PM • 1 stop
Philadelphia → St Louis
3h 35m
1:15 PM - 4:30 PM • nonstop
American Airlines
Nov 10 - Nov 17, Economy
Philadelphia → St Louis
41h 58m
9:57 PM - 10:15 PM • 1 stop
Philadelphia → St Louis
7h 38m
1:58 PM - 7:56 PM • 1 stop
American Airlines
Nov 10 - Nov 17, Economy
Philadelphia → St Louis
32h 26m
9:57 PM - 4:43 PM • 1 stop
Philadelphia → St Louis
12h 5m
6:30 AM - 2:55 PM • 1 stop
American Airlines
Nov 10 - Nov 17, Economy
Philadelphia → St Louis
20h 26m
9:50 PM - 9:16 AM • 1 stop
Philadelphia → St Louis
3h 35m
1:15 PM - 4:30 PM • nonstop
American Airlines
FAQs on Philadelphia to St Louis Flights
What are the airports in Philadelphia?
PHL
What’s the most popular airline flying from PHL to STL?
The most popular airline flying from Philadelphia to St Louis are
Can I fly from PHL to STL non-stop?
NO
Which airlines fly nonstop between Philadelphia and St Louis?
The non-stop flights between Philadelphia and St Louis are .
What’s the earliest departure time from PHL to STL Airport?
The earliest flight leaves PHL at 9:50 pm and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Philadelphia to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PHL to STL?
Read the fare rules of the Philadelphia to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Philadelphia and St Louis?
operate flights between Philadelphia and St Louis
How long does a flight from Philadelphia to St Louis take?
It takes approximately 2 hour to fly non-stop from PHL to STL, which is 813.49 miles by air.
Which airlines provide the cheapest flights from Philadelphia (PHL) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from PHL were found on AA : USD 950
Do I need a passport to fly between PHL and STL?
No
What’s the latest departure time from PHL to STL ?
The last flight leaves PHL at 9:57 pm
Philadelphia (PHL) to St Louis (STL): Airport Information
| Origin Airport | Philadelphia International , Philadelphia, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 813 miles |
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