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Cheap Flights from Philadelphia to St. Louis $295.29

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Cheapest Flights from Philadelphia to St. Louis (PHL to STL)

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

Interesting Facts About Flights from Philadelphia to St. Louis (PHL to STL)

Question : How many days should you spend in Saint Louis if you're flying in from Philadelphia?
Answer : The average time spent in Saint Louis by passengers flying from PHL is five days.

Question : Is there a day that has more departure times to choose from than other days?
Answer : With 24 total flight time options, Monday provides the most flexibility from PHL to STL. The day with the least number of times is Wednesday with 15 options.

Question : Are prices changing frequently for this route?
Answer : Flight prices for PHL to STL fluctuate much more than the majority of routes. However, the sooner you book, the better price you tend to get.

Question : Which airline is struggling to get to Saint Louis on time?
Answer : If you decide to book your flight with Trans States Airlines, keep an eye on your departure time. Over the past month, Trans States Airlines flights from Philadelphia International Airport (PHL) to Lambert-St. Louis International Airport (STL) are late 100% of the time.

Question : In the next four weeks, what day should you book your trip?
Answer : February 9th offers bookings (as of January 23rd) that are 16% below the average price for this route. Saving now means you'll have more cash to spend on your trip.

Question : Which airline has been the most dependable in getting passengers to their destination on time?
Answer : American Airlines will have you to STL on schedule 93% of the time. Don't spend more time waiting in an airport than you have to; stick with American Airlines on this route. If they are delayed for some reason, expect to be delayed less than 10 minutes.

Question : How many departure times from Philadelphia International Airport (PHL) to Lambert-St. Louis International Airport (STL) are there on a daily basis?
Answer : On average, you can expect to see four available departure times for this route. That is lower than the global average of 31.