Trenton
Trenton
Saint Louis
Saint Louis
Flight Driving

Trenton to Saint Louis

Updated: 28 May 2026

Saint Louis is accessible from Trenton via a flight from Philadelphia (PHL) or Newark (EWR) to St. Louis Lambert International Airport (STL). The flight takes about 2.5 hours. Driving takes approximately 15 hours via I-76 and I-70. Saint Louis is a major city in Missouri known for the Gateway Arch.

Total Distance: Driving distance 1,500 km; straight-line air distance 1,300 km.
Fastest Way
Direct flight from PHL to STL, taking 2.5 hours.
Cheapest Way
Flight from PHL to STL, often very affordable.
Compare Trenton to Saint Louis Routes
Flight
Direct
Driving
Direct
Duration 2.5 hours 15 hours
Avg Price $150 - $400 $150 - $250 in fuel
Operator Southwest Airlines Personal Vehicle
Route PHL to STL I-76 W to I-70 W
Tip Saint Louis airport is about 20 minutes from downtown. The drive is straightforward but involves tolls.
Travel Tips
  • Transportation
    A car is highly recommended for getting around Saint Louis.
  • Food
    Try the local toasted ravioli.
  • Booking
    Book your hotel in advance for major events.
  • Weather
    Summers are hot and humid; plan accordingly.
  • Walking
    Downtown is walkable.
Safety Tips
  • General
    Saint Louis is generally safe, but stay aware in less populated areas.
  • Emergency
    Dial 911 for assistance.
  • Driving
    Traffic can be heavy during rush hour on I-70.
  • Winter
    Be prepared for snow and ice when driving in winter.
People Also Ask
  • Is there a direct flight?
    Yes, there are direct flights from PHL to STL.
  • How long is the drive?
    The drive takes about 15 hours.
  • What is the best time to visit?
    Spring and summer are the most pleasant times.
  • Is Saint Louis expensive?
    It is very affordable compared to major coastal cities.
  • Do I need a car?
    Yes, a car is essential for exploring the city.
Quick Info
  • From Trenton, New Jersey, United States
  • To Saint Louis, Missouri, United States
  • Modes
Best Time to Travel

May to September for pleasant weather.

Things to Do in Saint Louis
1
Gateway Arch
Visit the iconic monument. It is a must-see.
2
Saint Louis Zoo
Visit one of the best zoos in the country. It is free to the public.
3
Forest Park
Enjoy outdoor activities in the large park. It is home to several museums.
4
City Museum
Explore the unique interactive museum. It is great for families.
Tags
Trenton to Saint Louis flights to STL driving to Saint Louis NJ to Missouri best way to Saint Louis Trenton travel Saint Louis transport road trip to Saint Louis PHL to STL EWR to STL