Cheap flights from St. Louis to Philadelphia (STL - PHL)

Flight FAQs

From St. Louis to Philadelphia

What airports do I use to fly from St. Louis to Philadelphia?

Booking a flight from Lambert-St Louis (STL) to Philadelphia (PHL) is your only option if you wish to fly from St. Louis to Philadelphia. On a typical day, there are 7 flights from Lambert-St Louis to Philadelphia, all of which are around 2h 07m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Lambert-St Louis to Philadelphia.

Which airlines flying from Lambert-St Louis to Philadelphia have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Philadelphia have new flexible policies in place due to COVID-19. American Airlines, Delta, and Spirit Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St. Louis to Philadelphia for under $200 on Cheapflights?

Yes, there are multiple flights from St. Louis to Philadelphia for under $200. The cheapest flight booked recently is on Frontier for just $194, but on average you can expect to pay $222.

Are there nonstop flights from St. Louis to Philadelphia for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from St. Louis to Philadelphia under $300. A good price for a nonstop flight from St. Louis to Philadelphia is less than $363.

Are there last-minute flights available from St. Louis to Philadelphia for under $300?

There are currently 20+ open flights from St. Louis to Philadelphia within the next 7 days for less than $300.

What days are nonstop flights available from St. Louis to Philadelphia?

You can find nonstop flights on the following days: Saturday.

How popular is this St. Louis to Philadelphia flight route?

Within the past month, 60 users have taken a look at flights from Lambert-St Louis to Philadelphia.

How many flights depart from St. Louis to Philadelphia on average per day?

On average 4 flights depart from St. Louis to Philadelphia per day.
Early Morning (Midnight to 6am) - 50% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures

How long is the flight from St. Louis to Philadelphia?

There are many flights that can get you from St. Louis to Philadelphia in 5h 50m. Fly via Frontier or American Airlines to get the fastest option. Airlines will cover a distance of 816 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from St. Louis to Philadelphia round-trip?

Cheapflights users have booked flights from St. Louis to Philadelphia round-trip from $194. Another airline that can offer you cheap pricing is American Airlines. These flights start at 41% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from St. Louis to Philadelphia one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $106. Users have also found prices from $115 and $119 on Spirit Airlines and American Airlines, respectively.

What are the most popular airlines that fly from St. Louis to Philadelphia?

The most popular airlines flying from St. Louis to Philadelphia are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the cheapest flights from St. Louis to Philadelphia?

While on average a flight from St. Louis to Philadelphia is generally $1,051, our data shows the cheapest flight currently is $24. When looking at the most popular route, (Lambert-St Louis - Philadelphia), you can expect to pay $222 for that flight.

What are the most reliable airlines from St. Louis to Philadelphia?

No one likes to see their flight delayed. When booking a flight from St. Louis to Philadelphia consider choosing PSA Airlines (89%), British Airways (78%) or Qatar Airways (77%) as they are the most reliable in getting you off to your destination on time.