Cheap Flights from Philadelphia to St. Louis
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Flights from Philadelphia to St. Louis
Airlines Flying from Philadelphia to St. Louis
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Philadelphia to St. Louis
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
PHL 10:532h 34mDirectSTL 12:27Philadelphia - St. Louis | Sat, May 31 | American Airlines
STL 06:002h 11mDirectPHL 09:11St. Louis - Philadelphia | Mon, Jun 2 | American AirlinesNZD 426 NZD 61531% OFF31% OFFNZD 615 NZD 426 -
PHL 14:152h 20mDirectSTL 15:35Philadelphia - St. Louis | Sat, May 31 | Southwest Airlines
STL 06:002h 11mDirectPHL 09:11St. Louis - Philadelphia | Mon, Jun 2 | American AirlinesNZD 486 NZD 61521% OFF21% OFFNZD 615 NZD 486 -
TTN 18:176h 20m1 stopsSTL 23:37Philadelphia - St. Louis | Tue, Jun 10 | Frontier Airlines
STL 17:4729h 12m1 stopsTTN 23:59St. Louis - Philadelphia | Sat, Jun 14 | Frontier AirlinesNZD 350 NZD 61543% OFF43% OFFNZD 615 NZD 350 -
TTN 18:176h 20m1 stopsSTL 23:37Philadelphia - St. Louis | Tue, Jun 3 | Frontier Airlines
STL 20:117h 59m1 stopsPHL 05:10St. Louis - Philadelphia | Sat, Jun 7 | Frontier AirlinesNZD 36341% OFFNZD 615 NZD 363
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TTN 17:207h 29m1 stopsSTL 23:49Philadelphia - St. Louis | Mon, Jun 2 | Frontier Airlines
STL 17:4525h 22m1 stopsTTN 20:07St. Louis - Philadelphia | Tue, Jun 3 | Frontier AirlinesNZD 36840% OFFNZD 615 NZD 368
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TTN 08:0016h 37m1 stopsSTL 23:37Philadelphia - St. Louis | Sat, Jun 7 | Frontier Airlines
STL 17:3525h 32m1 stopsTTN 20:07St. Louis - Philadelphia | Tue, Jun 10 | Frontier AirlinesNZD 36840% OFFNZD 615 NZD 368
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PHL 16:198h 18m1 stopsSTL 23:37Philadelphia - St. Louis | Mon, Jun 9 | Frontier Airlines
STL 17:3521h 47m1 stopsTTN 16:22St. Louis - Philadelphia | Wed, Jun 11 | Frontier AirlinesNZD 36940% OFFNZD 615 NZD 369
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TTN 17:177h 32m1 stopsSTL 23:49Philadelphia - St. Louis | Sun, Jun 1 | Frontier Airlines
STL 19:248h 46m1 stopsPHL 05:10St. Louis - Philadelphia | Mon, Jun 2 | Frontier AirlinesNZD 37639% OFFNZD 615 NZD 376
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TTN 17:177h 20m1 stopsSTL 23:37Philadelphia - St. Louis | Thu, Jun 5 | Frontier Airlines
STL 17:3522h 47m1 stopsTTN 17:22St. Louis - Philadelphia | Mon, Jun 9 | Frontier AirlinesNZD 38038% OFFNZD 615 NZD 380
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TTN 17:157h 32m1 stopsSTL 23:47Philadelphia - St. Louis | Sun, Jul 13 | Frontier Airlines
STL 19:298h 40m1 stopsPHL 05:09St. Louis - Philadelphia | Sat, Jul 19 | Frontier AirlinesNZD 38138% OFFNZD 615 NZD 381
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PHL 15:528h 45m1 stopsSTL 23:37Philadelphia - St. Louis | Wed, Jun 11 | Frontier Airlines
STL 17:4729h 12m1 stopsTTN 23:59St. Louis - Philadelphia | Wed, Jun 18 | Frontier AirlinesNZD 39037% OFFNZD 615 NZD 390
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PHL 15:578h 47m1 stopsSTL 23:44Philadelphia - St. Louis | Sat, May 31 | Frontier Airlines
STL 20:117h 59m1 stopsPHL 05:10St. Louis - Philadelphia | Wed, Jun 4 | Frontier AirlinesNZD 39336% OFFNZD 615 NZD 393
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PHL 13:0017h 25m1 stopsSTL Invalid DatePhiladelphia - St. Louis | Mon, Jun 2 | Normal Airline
STL 15:006hDirectPHL 16:00St. Louis - Philadelphia | Wed, Jun 4 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHL 20:202h 25mDirectSTL 21:45Philadelphia - St. Louis | Mon, Jun 23 | Southwest AirlinesNZD 246 NZD 33427% OFF27% OFFNZD 334 NZD 246
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PHL 18:442h 35mDirectSTL 20:19Philadelphia - St. Louis | Thu, Jul 3 | American AirlinesNZD 264 NZD 33421% OFF21% OFFNZD 334 NZD 264
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TTN 18:176h 20m1 stopsSTL 23:37Philadelphia - St. Louis | Tue, Jun 3 | Frontier AirlinesNZD 160 NZD 33452% OFF52% OFFNZD 334 NZD 160
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TTN 17:177h 36m1 stopsSTL 23:53Philadelphia - St. Louis | Sat, Jun 14 | Frontier AirlinesNZD 17249% OFFNZD 334 NZD 172
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TTN 06:4518h 8m1 stopsSTL 23:53Philadelphia - St. Louis | Thu, Jun 12 | Frontier AirlinesNZD 17747% OFFNZD 334 NZD 177
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PHL 18:196h 18m1 stopsSTL 23:37Philadelphia - St. Louis | Thu, Jun 5 | Frontier AirlinesNZD 18944% OFFNZD 334 NZD 189
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TTN 17:177h 36m1 stopsSTL 23:53Philadelphia - St. Louis | Tue, Jun 17 | Frontier AirlinesNZD 19642% OFFNZD 334 NZD 196
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TTN 08:0016h 37m1 stopsSTL 23:37Philadelphia - St. Louis | Wed, Jun 4 | Frontier AirlinesNZD 19641% OFFNZD 334 NZD 196
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PHL 21:5926h 38m1 stopsSTL 23:37Philadelphia - St. Louis | Mon, Jun 9 | Frontier AirlinesNZD 19941% OFFNZD 334 NZD 199
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PHL 05:309h 37m1 stopsSTL 14:07Philadelphia - St. Louis | Sat, Jun 21 | Frontier AirlinesNZD 20339% OFFNZD 334 NZD 203
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TTN 17:177h 20m1 stopsSTL 23:37Philadelphia - St. Louis | Sun, Jun 8 | Frontier AirlinesNZD 20539% OFFNZD 334 NZD 205
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TTN 17:207h 29m1 stopsSTL 23:49Philadelphia - St. Louis | Mon, Jun 2 | Frontier AirlinesNZD 20738% OFFNZD 334 NZD 207
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PHL 13:0017h 25m1 stopsSTL Invalid DatePhiladelphia - St. Louis | Mon, Jun 2 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Philadelphia to St. Louis
| Cheapest one-way flight price | NZD 159 |
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| Cheapest round-trip ticket price | NZD 416 |
| Off-season for travel | March |
| Peak season for travel | July |
| Flight distance | 1,293.47 km |
| Average flight time | 2 hours 29 minutes |
| Popular airline | American Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Philadelphia (PHL) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Philadelphia to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Philadelphia (PHL) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around NZD 609. -
How long does it take to fly from Philadelphia (PHL) to St. Louis (STL) and what is the distance?
It takes around 2 hours 29 minutes to fly from Philadelphia (PHL) to St. Louis (STL). -
What are the most popular airlines that fly from Philadelphia (PHL) to St. Louis (STL)?
Airlines with flights from Philadelphia (PHL) to St. Louis (STL): American Airlines, Southwest Airlines, Qatar Airways, British Airways and Iberia.
How to find a cheap flight from Philadelphia to St. Louis
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to St. Louis. Book your flights at the right time and save more.
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