Cheap Flights from Philadelphia to St. Louis
We've found these cheap flights for you. You can book one-way or return flight tickets.
Swipe up to view more
>
>
>
>
>
Flights from Philadelphia to St. Louis
Flights from Philadelphia to St. Louis Starting at NZD 101
We've found these cheap flights for you. You can book one-way or return flight tickets.
-
Round-trip
-
One way
-
-
Cheapest nonstop
PHL 19:202h 38mNonstopSTL 20:58Philadelphia - St. Louis | Wed, Apr 23 | American Airlines
STL 06:152h 12mNonstopPHL 09:27St. Louis - Philadelphia | Mon, Apr 28 | American AirlinesNZD 543 NZD 70323% OFF23% OFFNZD 703 NZD 543 -
PHL 20:252h 30mNonstopSTL 21:55Philadelphia - St. Louis | Thu, Apr 3 | Southwest Airlines
STL 20:452h 5mNonstopPHL 23:50St. Louis - Philadelphia | Mon, Apr 7 | Southwest AirlinesNZD 562 NZD 70320% OFF20% OFFNZD 703 NZD 562 -
TTN 18:186h 28m1 stopsSTL 23:46Philadelphia - St. Louis | Mon, Apr 7 | Frontier Airlines
STL 18:3311h 14m1 stopsPHL 06:47St. Louis - Philadelphia | Sat, Apr 12 | Frontier AirlinesNZD 196 NZD 70372% OFF72% OFFNZD 703 NZD 196 -
TTN 21:1127h 35m1 stopsSTL 23:46Philadelphia - St. Louis | Thu, Apr 3 | Frontier Airlines
STL 16:576h 2m1 stopsTTN 23:59St. Louis - Philadelphia | Mon, Apr 7 | Frontier AirlinesNZD 21270% OFFNZD 703 NZD 212
-
PHL 05:3019h 16m1 stopsSTL 23:46Philadelphia - St. Louis | Tue, Apr 8 | Frontier Airlines
STL 16:5713h 35m1 stopsPHL 07:32St. Louis - Philadelphia | Sun, Apr 13 | Frontier AirlinesNZD 23067% OFFNZD 703 NZD 230
-
PHL 05:3019h 19m1 stopsSTL 23:49Philadelphia - St. Louis | Tue, Mar 25 | Frontier Airlines
STL 17:2413h 6m1 stopsPHL 07:30St. Louis - Philadelphia | Wed, Mar 26 | Frontier AirlinesNZD 24965% OFFNZD 703 NZD 249
-
PHL 08:2716h 19m1 stopsSTL 23:46Philadelphia - St. Louis | Wed, Apr 9 | Frontier Airlines
STL 16:576h 2m1 stopsTTN 23:59St. Louis - Philadelphia | Tue, Apr 15 | Frontier AirlinesNZD 24965% OFFNZD 703 NZD 249
-
PHL 16:168h 30m1 stopsSTL 23:46Philadelphia - St. Louis | Fri, Apr 4 | Frontier Airlines
STL 16:576h 2m1 stopsTTN 23:59St. Louis - Philadelphia | Tue, Apr 8 | Frontier AirlinesNZD 26063% OFFNZD 703 NZD 260
-
PHL 06:4027h 36m1 stopsSTL 09:16Philadelphia - St. Louis | Thu, Mar 27 | Frontier Airlines
STL 18:5510h 19m1 stopsPHL 06:14St. Louis - Philadelphia | Mon, Mar 31 | Frontier AirlinesNZD 27960% OFFNZD 703 NZD 279
-
TTN 06:0018h 46m1 stopsSTL 23:46Philadelphia - St. Louis | Tue, Apr 1 | Frontier Airlines
STL 16:576h 2m1 stopsTTN 23:59St. Louis - Philadelphia | Wed, Apr 2 | Frontier AirlinesNZD 28559% OFFNZD 703 NZD 285
-
PHL 08:2716h 19m1 stopsSTL 23:46Philadelphia - St. Louis | Wed, Apr 16 | Frontier Airlines
STL 17:4112h 51m1 stopsPHL 07:32St. Louis - Philadelphia | Wed, Apr 23 | Frontier AirlinesNZD 28659% OFFNZD 703 NZD 286
-
PHL 16:168h 30m1 stopsSTL 23:46Philadelphia - St. Louis | Wed, Apr 2 | Frontier Airlines
STL 16:576h 2m1 stopsTTN 23:59St. Louis - Philadelphia | Thu, Apr 10 | Frontier AirlinesNZD 29257% OFFNZD 703 NZD 292
-
PHL 13:0017h 25m1 stopsSTL Invalid DatePhiladelphia - St. Louis | Thu, Mar 27 | Normal Airline
STL 15:006hNonstopPHL 16:00St. Louis - Philadelphia | Sat, Mar 29 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstop
PHL 19:162h 44mNonstopSTL 21:00Philadelphia - St. Louis | Wed, May 14 | American AirlinesNZD 290 NZD 36320% OFF20% OFFNZD 363 NZD 290
-
PHL 11:042h 35mNonstopSTL 12:39Philadelphia - St. Louis | Wed, Mar 26 | American AirlinesNZD 290 NZD 36320% OFF20% OFFNZD 363 NZD 290
-
PHL 16:168h 30m1 stopsSTL 23:46Philadelphia - St. Louis | Thu, Apr 3 | Frontier AirlinesNZD 101 NZD 36372% OFF72% OFFNZD 363 NZD 101
-
PHL 22:5926h 7m1 stopsSTL 00:06Philadelphia - St. Louis | Mon, May 5 | Frontier AirlinesNZD 10870% OFFNZD 363 NZD 108
-
TTN 06:4518h 21m1 stopsSTL 00:06Philadelphia - St. Louis | Tue, May 20 | Frontier AirlinesNZD 11568% OFFNZD 363 NZD 115
-
PHL 16:288h 36m1 stopsSTL 00:04Philadelphia - St. Louis | Tue, Apr 29 | Frontier AirlinesNZD 13164% OFFNZD 363 NZD 131
-
PHL 16:288h 36m1 stopsSTL 00:04Philadelphia - St. Louis | Wed, Apr 30 | Frontier AirlinesNZD 13164% OFFNZD 363 NZD 131
-
PHL 16:168h 30m1 stopsSTL 23:46Philadelphia - St. Louis | Wed, Apr 9 | Frontier AirlinesNZD 13862% OFFNZD 363 NZD 138
-
PHL 16:338h 33m1 stopsSTL 00:06Philadelphia - St. Louis | Wed, May 14 | Frontier AirlinesNZD 14261% OFFNZD 363 NZD 142
-
PHL 06:0028h 6m1 stopsSTL 09:06Philadelphia - St. Louis | Thu, Apr 17 | Frontier AirlinesNZD 14361% OFFNZD 363 NZD 143
-
PHL 13:2311h 26m1 stopsSTL 23:49Philadelphia - St. Louis | Tue, Mar 25 | Frontier AirlinesNZD 14460% OFFNZD 363 NZD 144
-
PHL 16:338h 33m1 stopsSTL 00:06Philadelphia - St. Louis | Tue, May 13 | Frontier AirlinesNZD 15157% OFFNZD 363 NZD 151
-
PHL 13:0017h 25m1 stopsSTL Invalid DatePhiladelphia - St. Louis | Thu, Mar 27 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Find the best time to fly from Philadelphia to St. Louis
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
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.
FAQ
-
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 628. -
How long does it take to fly from Philadelphia (PHL) to St. Louis (STL) and what is the distance?
It takes around 2 hours 35 minutes to fly from Philadelphia (PHL) to St. Louis (STL). -
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.
-
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): Qatar Airways, American Airlines, Southwest Airlines, Aer Lingus, 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.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Philadelphia to St. Louis
| Cheapest one-way flight price | NZD 100 |
|---|---|
| Cheapest round-trip ticket price | NZD 408 |
| Off-season for travel | February |
| Peak season for travel | June |
| Flight distance | 1,293.47 km |
| Average flight time | 2 hours 35 minutes |
| Popular airline | Delta Air Lines |