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Cheap Flights from Philadelphia Trenton-Mercer to St Louis in 2019

Top last minute flight deals

Feeling spontaneous? It’s never too late to book a trip. Here’s our pick of the best last minute flights to St Louis...
Estimated lowest prices only. Found in the last 14 days.

Flight information Philadelphia Trenton-Mercer to St Louis

Cheapest roundtrip price last month

$286

Non-stop airlines

0

Average flight time, total distance 835 miles

7h 11min

Most popular airline last month

Frontier Airlines

St Louis

1 airport

Explore St. Louis

St. Louis Hotels

Frequently asked questions

There's one airport in St Louis: St Louis.
The best price found on Skyscanner for a flight from Philadelphia Trenton-Mercer to St Louis is $286. This was found by aggregating across different carriers and is the cheapest price for the whole month.
7h 11min is the average flight time from Philadelphia Trenton-Mercer to St Louis.
There are no airlines that fly non-stop from Philadelphia Trenton-Mercer to St Louis.

Compare flights from Philadelphia to St Louis and find the cheapest flights with Skyscanner

Skyscanner is a fast and simple travel search engine that helps you to find cheap flights and great prices on flights from Philadelphia to St Louis. We compare hundreds of flights from all major airlines and travel agents, finding you the best deal on cheap plane tickets to St Louis from Philadelphia.

Best of all, both our website and our app are completely free to use, and you will never be charged hidden fees using Skyscanner!

When is the best time to book from Philadelphia to St Louis?

Useful information before booking your travel from Philadelphia to St Louis

Check the travel information panel above to get exact information about:

  • Distance from Philadelphia Trenton-Mercer to St Louis
  • Flight time from Philadelphia Trenton-Mercer to St Louis
  • Which airlines provide the cheapest tickets from Philadelphia to St Louis
  • Which airlines fly direct to St Louis from Philadelphia.

Book a hotel or car rental for your stay in St Louis

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.