FlightsHotelsFlight + HotelCar rental
eDreams is now available in the following countries:
Europe
FRFrance (€)ESEspaña (€)
America
USEstados Unidos ($)
Or you can visit ourglobal site
  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)

Flights
Hotels
Flight + Hotel
Car rental
Date
Date
1
bbb
We are proud to be a BBB® Accredited Business

Explore the best deals

Discover the cheapest flights from Philadelphia, PA to St Louis, MO
emptyFilter
Filter by
Wed, Dec 17 - Thu, Dec 18
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
122$
114$
Prime price per passenger
Sun, Feb 1 - Thu, Feb 5
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
140$
129$
Prime price per passenger
Sun, Dec 21 - Wed, Dec 31
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
American Airlines
American Airlines1 stop
STL - PHL
181$
173$
Prime price per passenger
Sun, Jan 18 - Tue, Jan 20
American Airlines
American Airlines1 stop
PHL - STL
American Airlines
American Airlines1 stop
STL - PHL
225$
216$
Prime price per passenger
Sat, Feb 14 - Tue, Feb 17
American Airlines
American Airlines1 stop
PHL - STL
American Airlines
American Airlines1 stop
STL - PHL
225$
220$
Prime price per passenger
Thu, Jan 1 - Tue, Jan 6
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
Frontier Airlines
Frontier Airlines1 stop
STL - PHL
280$
267$
Prime price per passenger
Mon, Dec 8
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
53$
52$
Prime price per passenger
Sun, Dec 21
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
-16 %
68$
58$
Prime price per passenger
Tue, Dec 30
Frontier Airlines
Frontier Airlines1 stop
PHL - STL
-23 %
76$
59$
Prime price per passenger
Sun, Jan 18
American Airlines
American Airlines1 stop
PHL - STL
118$
111$
Prime price per passenger
Sun, Feb 15
American Airlines
American Airlines1 stop
PHL - STL
-13 %
128$
111$
Prime price per passenger
Sat, Jan 31
American Airlines
American AirlinesDirect
PHL - STL
177$
169$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified 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

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
Filter by
week: Dec 8 - Dec 14
Flights from just $281
$281
$349
$384
$329
$377
$346
$382
$327
$343
$343
$326
$364
DecemberJanuaryFebruary
Flying Time2 h and 33 mWhen flying from Philadelphia, PA to St Louis, MO, this can take around 2 h and 33 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$51The 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
Departure AirportPhiladelphia International AirportPhiladelphia International Airport is where you'll take off when flying from Philadelphia, PA to St Louis, MO
Arrival AirportLambert-St Louis InternatlYou'll land at Lambert-St Louis Internatl when flying from Philadelphia, PA to St Louis, MO
Peak seasonAugustAugust 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
Best time to bookMayMay 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!
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 $52. 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 02:33 hours on average, at an average distance of 1,306 km, for flights for the route (which may have 1 or more stops in other cities in between).
How is the weather in St Louis, MO compared to Philadelphia, PA?
While in Philadelphia, PA the temperatures can reach an average of 33.4 ºC in summer, with precipitation levels up to 12 mm ,St Louis, MO's temperatures can go up to 34.91 ºC during the hot season, with 12 mm average of rain rate . In winter, however, weather indicators show around -13.87 ºC in St Louis, MO, compared to the -11.85 ºC average degrees reported in Philadelphia, PA. During the winter period, Philadelphia, PA can register 6 mm precipitation, while St Louis, MO have an average of 6 mm rain level.

Plan your trip

Popular Flight RoutesAlternative routes