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  1. Flights
  2. United States
  3. St Louis, MO
  4. Philadelphia, PA - St Louis, MO

Cheap Flights from Philadelphia, PA (PHL) to St Louis, MO (STL)

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Discover the cheapest flights from Philadelphia, PA to St Louis, MO
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Tue, Apr 7 - Sat, Apr 11
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
159$
150$
Prime price per passenger
Fri, May 8 - Sat, May 16
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
179$
169$
Prime price per passenger
Sat, Apr 18 - Sun, Apr 19
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
185$
175$
Prime price per passenger
Tue, Mar 24 - Tue, Mar 31
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
242$
230$
Prime price per passenger
Sat, May 2 - Mon, May 4
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
American Airlines
American AirlinesDirect
STL - PHL
259$
Prime price per passenger
Fri, May 22 - Tue, May 26
American Airlines
American AirlinesDirect
PHL - STL
American Airlines
American AirlinesDirect
STL - PHL
325$
322$
Prime price per passenger
Tue, Apr 14
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
-12 %
87$
77$
Prime price per passenger
Tue, May 26
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
94$
92$
Prime price per passenger
Fri, May 8
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
-12 %
109$
97$
Prime price per passenger
Fri, Apr 10
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
133$
125$
Prime price per passenger
Tue, Mar 24
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
133$
125$
Prime price per passenger
Wed, May 6
American Airlines
American Airlines1 stop
PHL - STL
138$
136$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Philadelphia, PA to St Louis, MO

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of April. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: Apr 6 - Apr 12
Flights from just $168
$186
$221
$202
$201
$168
$185
$189
$193
$197
$187
$200
$228
MarchAprilMay
Flying Time2 h and 42 mWhen flying from Philadelphia, PA to St Louis, MO, this can take around 2 h and 42 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$77The best price for flights from Philadelphia, PA to St Louis, MO offered by eDreams, which have been found by our customers in the last 3 days
Origin airportPhiladelphia International AirportWhen flying from Philadelphia, PA to St Louis, MO
Destination airportSt. Louis Lambert International AirportFor the route from Philadelphia, PA to St Louis, MO
Peak seasonMarchMarch is the busiest time to fly from Philadelphia, PA to St Louis, MO according to search data results from our customers
Airlines operating this routeAmerican AirlinesAirline(s) that fly from Philadelphia, PA to St Louis, MO
One-way average Price271.56A flight from Philadelphia, PA to St Louis, MO at eDreams will cost around 271.56, this being based on prices of the previous 6 months of data
Best time to bookMarchJune is one of the most frequent times to fly to St Louis, MO from Philadelphia, PA according to real data from our customers
Distance: 808 miles
Philadelphia, PA airports
Philadelphia International Airport (PHL)How far from city center: 6 miles
Mercer County (TTN)How far from city center: 29 miles
St Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles

Are you planning to travel to St Louis, MO for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Philadelphia, PA. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to St Louis, MO and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Philadelphia, PA to St Louis, MO

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
On average, how much is the price of a flight from Philadelphia, PA to St Louis, MO?
When you fly from Philadelphia, PA to St Louis, MO the average price is 271.56. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
For flights from Philadelphia, PA to St Louis, MO, how can I find the cheapest price?
The cheapest price for a flight from Philadelphia, PA to St Louis, MO is $77. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Philadelphia, PA to St Louis, MO?
The most popular months to book a trip from Philadelphia, PA to St Louis, MO are May, July and June, based on the searches of our customers.
When is the best time to travel from Philadelphia, PA to St Louis, MO?
The best time of the year to visit St Louis, MO depends on lots of personal preferences, especially the price. Regarding popularity, August is the best month to fly to St Louis, MO from Philadelphia, PA in terms of searches from our customers, followed by May and October. If you prefer to avoid the busy season and get away from the crowds January, February and December are the months with fewer searches for Philadelphia, PA - St Louis, MO.
How long does the flight from Philadelphia, PA to St Louis, MO take?
Flight length from Philadelphia, PA to St Louis, MO is around 2 h and 42 m on average, at an average distance of 808.14 mi, for flights for the route (which may have 1 or more stops in other cities in between).

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