$60+ Cheap flights from Philadelphia to St. Louis (PHL - STL)

Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Philadelphia. Booking flights from Philadelphia (PHL) to Lambert-St Louis (STL) should be relatively easy as there are 8 daily flights to St. Louis from 5 different airlines. 2h 25m is how long a flight from Philadelphia to Lambert-St Louis will take if you book a nonstop flight.

Yes, there are multiple flights from Philadelphia to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $108, but on average you can expect to pay $275.

Cheapflights has at least 2 direct flights from Philadelphia to St. Louis under $400. A good price for a nonstop flight from Philadelphia to St. Louis is less than $335.

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

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

This flight path from Philadelphia to Lambert-St Louis was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Per day, 1 flight departs from Philadelphia to St. Louis on average.
Morning (6am - Noon) - 100% of flight departures

Airlines like Frontier, Spirit Airlines, and American Airlines fly from Philadelphia to St. Louis in about 2h 36m. The time it takes to get you to your destination can typically vary by up to 23h 51m. The distance between Philadelphia and St. Louis is about 816 mi. This flight may include one or multiple stops.

Cheapflights users have booked flights from Philadelphia to St. Louis round-trip from $108. Other airlines that can offer you cheap pricing are Spirit Airlines, from $233, and American Airlines, from $327. These flights start at 64% lower than the current average price 3 months from now.

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $60. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Philadelphia to St. Louis for a low price.

Consider Republic Airways (89%), American Airlines (78%) or Southwest (62%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to St. Louis.

Looking for the cheapest flight from Philadelphia to St. Louis? While on average our users pay $329, our data indicates the cheapest price to be $158. The most popular route (Philadelphia - Lambert-St Louis), is priced around $156.

PHL stands for Philadelphia Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

The amount of baggage you can bring on your Philadelphia to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Philadelphia to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Philadelphia to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to St. Louis.

Yes. Cheapflights offers flight deals from Philadelphia to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Philadelphia to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Philadelphia to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Philadelphia to St. Louis flight deals you see on this page were last updated on 10/8.

Currently, September is the cheapest month in which you can book a flight from Philadelphia to St. Louis (average of $308). Flying from Philadelphia to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.