Looking for the price of a flight from Philadelphia to Saint Louis?

There’s no fixed price — fares between Philadelphia and Saint Louis can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Flying between Philadelphia and Saint Louis? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Philadelphia: You can fly from either Philadelphia - International or Trenton Mercer.
• Airports in Saint Louis: The only active option is Saint Louis - Lambert.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Philadelphia airports in a single search.

Filter and compare flights from Philadelphia to Saint Louis

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Other popular destinations

Want more ideas for your trip to United States? Check these: Atlanta, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.