Cheap flights from Saint Louis to Philadelphia

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How much is a flight from Saint Louis to Philadelphia?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and Philadelphia.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Saint Louis - Philadelphia route.

Flying from or to Saint Louis and Philadelphia? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

  • Airports in Saint Louis: Only Saint Louis - Lambert is available for departures.
  • Airports in Philadelphia: Trenton Mercer is a secondary arrival airport.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flights from Saint Louis - Lambert to Philadelphia - International

Plan your journey from Saint Louis to Philadelphia with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Saint Louis to Philadelphia.

How much does an airline ticket from Saint Louis to Philadelphia cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Saint Louis to Philadelphia.

How far is Saint Louis from Philadelphia?

Saint Louis is about 1305 km from Philadelphia.

What are the airports in Philadelphia?

Philadelphia has another airport: Trenton Mercer.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Saint Louis to Philadelphia?

This information is not available at the moment.

What is the cheapest month to fly from Saint Louis to Philadelphia?

This information is not available at the moment.

What is the most expensive month to fly from Saint Louis to Philadelphia?

This information is not available at the moment.

What is the best day of the week to fly from Saint Louis to Philadelphia?

This information is not available at the moment.