Find out what a flight from Saint Louis to Philadelphia might cost

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

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Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Are there multiple airports in Saint Louis and Philadelphia?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Saint Louis: Only Saint Louis - Lambert operates in this city.
• Airports in Philadelphia: Trenton Mercer is a secondary airport to Philadelphia - International.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Find flights from Saint Louis to Philadelphia that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from Delta, United, American, and booking sites like Expedia and eDreams.

Other popular destinations

Interested in United States? These cities are also in demand: Atlanta, Los Angeles, Miami, New York City, Orlando.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.