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Cheap STL to PHL Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Trenton

$274.20

Cheap STL to PHL Flights

Question : For STL to PHL, how many departure times are there on a given day?
Answer : It does differ by the day of the week, but on average, you can expect 15 different choices of flight times when you book. The average route departing the United States currently has nine different flight times per day. You'll have more choices than the average passenger.

Question : Can you cut down on flight costs by changing the day of the week you travel to Philadelphia?
Answer : The lowest-cost day to fly in January is Saturday. Being flexible with your travel days garners even more savings during booking.

Question : Should you take that vacation to Philadelphia in the next 30 days?
Answer : Since low prices are preferred, look at Jan 20th. As of Jan 15th, it's showing the cheapest ticket sales at $79. That is 74% below the average price for this route, so you can spend that extra money on a fun experience in Philadelphia.

Question : What are the chances this flight will be delayed?
Answer : This particular route gets passengers to Philadelphia International Airport on time 71% of the time, which puts it in the bottom 50% of the world. When a flight is late, it's a 28-minute delay on average.

Question : Is this route your best bet for getting to Philadelphia with minimal delays?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. STL to PHL currently has 2 stars out of 5, earning it one of the lower scores in the world.

Question : From Saint Louis to Philadelphia, which day of the week is going to have the most flight times?
Answer : The day with the most departure times for this route is Sunday with 17 options. Thursday currently offers the least amount of flight times with 14 options.

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : Delta Air Lines will have you to PHL on schedule 100% of the time. Don't spend more time waiting in an airport than you have to and stick with Delta Air Lines on this route. Perfection is hard to come by, so hopefully it continues.

St. Louis to Philadelphia Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Philadelphia will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Philadelphia.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to PHL flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to PHL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.