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STL (St. Louis) to PHL (Philadelphia) Flights $271.6

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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.

Philadelphia

$400.80

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

Question : Who's offering the cheapest round-trip flight to Philadelphia International Airport (PHL) over the coming months?
Answer : Ticket costs are hitting highs of $929 over the next three months when flying to PHL from STL. Check out American Airlines, as they have been booking customers at just $318.

Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in August is Sunday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : If you’re booking STL to PHL, how many different options of departure times do you have?
Answer : Depending on the day, the number of flight times will change, but on average there are six. Compared to the average route departing the United States with five flight times, you'll have more choices than most.

Question : In terms of overall promptness, how does STL to PHL rank compared to the rest of the world?
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 : Is there a preferred airline for getting to Philadelphia International Airport (PHL) on time?
Answer : Delta Air Lines leads the way with a 100% on-time rate. Spend as little time in an airport as necessary by flying with Delta Air Lines. Perfection is hard to come by, so hopefully it continues.

Question : Should you be aware of any airlines that have a reputation of delayed arrivals for this route?
Answer : If you decide to book your flight with United Airlines, keep an eye on your departure time. 100% of flights from Lambert-St. Louis International Airport (STL) to Philadelphia International Airport (PHL) are late.

Question : From Saint Louis to Philadelphia, which day is going to have the most flight times?
Answer : The day with the most departure times for this route is Sunday with eight options. Wednesday currently offers the fewest number of flight times with only five options.