Our cheapest offers for flights from Philadelphia to St. Louis

Here you can compare cheap flights from Philadelphia (PHL) to St. Louis (STL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to St. Louis. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option Philadelphia St. Louis	Outbound 09/11/26 direct AA2275 02h 34min	Return 09/14/26 direct AA2275 02h 22min	American Airlines	?	$447 found yesterday
Philadelphia St. Louis	Outbound 09/11/26 direct AA2275 02h 34min	Return 09/14/26 direct AA2275 02h 22min	American Airlines	?	$506 found yesterday
Philadelphia St. Louis	Outbound 09/11/26 direct AA2275 02h 34min	Return 09/14/26 direct AA2275 02h 22min	American Airlines	?	$607 found yesterday
Philadelphia St. Louis	Outbound 09/11/26 1 Stopover (SEA) AS0446, AS0291 12h 52min	Return 09/14/26 1 Stopover (SEA) AS0388, AS0444 13h 03min	Alaska Airlines	?	$616 found yesterday
Philadelphia St. Louis	Outbound 09/11/26 1 Stopover (SEA) AS0446, AS0291 12h 52min	Return 09/14/26 1 Stopover (SEA) AS0388, AS0444 13h 03min	Alaska Airlines	?	$662 found yesterday
Philadelphia St. Louis	Outbound 09/11/26 direct AA1368 02h 42min	Return 09/14/26 direct AA2275 02h 22min	American Airlines	?	$1,113 found yesterday

Important flight information

Flight information: Philadelphia - St. Louis

Roundtrip from	$ 446,17
Flight duration	min. 02:35 / max. 06:00
Return flight duration	min. 02:00/ max. 06:00
Distance	1307 km
Flights per week	63
Departure airport	Airport Philadelphia International Airport, PA (PHL)
Arrival airport	Airport St. Louis - Lambert International Airport (STL)
Destination country	Flights to United States

Alternative routes to United States

Flight Philadelphia - Fort Lauderdale from $ 198
Flight Philadelphia - Los Angeles from $ 579
Flight Philadelphia - Atlanta from $ 349
Flight Philadelphia - Orlando from $ 51
Flight Philadelphia - New Orleans from $ 294
Flight Philadelphia - Charlotte from $ 395
Flight Philadelphia - Minneapolis from $ 371

Alternative flights to St. Louis

Flight Atlanta - St. Louis from $ 155
Flight Denver - St. Louis from $ 390
Flight Boston - St. Louis from $ 511
Flight Dallas - St. Louis from $ 341
Flight Chicago - St. Louis from $ 165
Flight Chicago O'Hare - St. Louis from $ 165

Flights from Philadelphia to St. Louis

Our cheapest offers for flights from Philadelphia to St. Louis

Philadelphia International Airport, PA

St. Louis - Lambert International Airport

Important flight information

Flight information: Philadelphia - St. Louis

Alternative routes to United States

Alternative flights to St. Louis

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