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

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The best prices from Philadelphia to St Louis are usually found in September or October, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Monday

PHL - STL
Price
$341 - $405
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches
Popular in June High demand for flights, 8% potential price rise
Cheapest in September Best time to find cheap flights, 8% potential price drop
Average price $399 Average for round-trip flights in March 2020
Round-trip from $341 From Philadelphia to St Louis

Cheap flights from Philadelphia to St Louis in April 2020

The best prices found for PHL to STL flights for April
25 Apr - 28 Apr
$126pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHL
Philadelphia
1 Apr - 7 Apr
$127pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
PHL
Philadelphia
15 Apr - 20 Apr
$155pp
PHL
Philadelphia
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
PHL
Philadelphia

Philadelphia to St Louis 2020 flight deals

Cheap flights to St Louis from Philadelphia found for this year
17 May - 20 May
$126pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHL
Philadelphia
14 May - 18 May
$155pp
PHL
Philadelphia
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
PHL
Philadelphia
31 Aug - 2 Sep
$166pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHL
Philadelphia

Last minute flights from Philadelphia to St Louis

Late deals on round-trip flights to St Louis from Philadelphia, departing today and this week
28 Mar - 31 Mar
$127pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHL
Philadelphia
27 Mar - 3 Apr
$135pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHL
Philadelphia
26 Mar - 30 Mar
$175pp
PHL
Philadelphia
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
PHL
Philadelphia

Alternative routes for Philadelphia to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Philadelphia to St Louis
Average temperature for March in St Louis
59.0 °F
Avg rainfall for March in St Louis
3.3 ″

Airports servicing Philadelphia

Airports servicing St. Louis

Weekly flight availability
from Philadelphia to St Louis
Sunday
7 daily flights
Monday
8 daily flights
Tuesday
8 daily flights
Wednesday
8 daily flights
Thursday
8 daily flights
Friday
8 daily flights
Saturday
7 daily flights

Related info for your journey

Useful info, stats and facts about Philadelphia to St Louis flights.

Flight FAQs

From Philadelphia to St Louis

Are flight prices decreasing from Philadelphia to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from Philadelphia to St Louis for under $200 on Cheapflights?

Cheapflights has 3 direct flights from Philadelphia to St Louis under $200. A good price for a nonstop flight from Philadelphia to St Louis is less than $136.

Are there last-minute flights available from Philadelphia to St Louis for under $200?

There are currently just 3 open flights from Philadelphia to St Louis within the next 7 days for less than $200.

How popular is this flight route?

Flights from Philadelphia to Lambert-St Louis have been viewed 11 times in the past calendar month.

What percent of flights are delayed?

When booking remember that flights Philadelphia to St Louis are typically delayed by 71min. so prepare as needed.

What is the cheapest airline for this route?

Air Wisconsin Airlines Corporation offers the cheapest flights from Philadelphia to St Louis. Per day you can find on average 74 flights for this route and airline.

How long does the flight from Philadelphia to St Louis take?

A nonstop flight takes up to 3 hours, covering a distance of 507 miles.

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

17 flight departures from Philadelphia to Lambert-St Louis per day on average.
Morning (6am - Noon) - 29% of flight departures
Afternoon (Noon - 6pm) - 41% of flight departures
Evening (6pm - Midnight) - 29% of flight departures

Does it rain more in Philadelphia or St Louis?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Philadelphia is roughly similar to St Louis. You can assume this to be the case over the next 16 days.

Is Philadelphia weather warmer or cooler than St Louis?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in St Louis are hotter than in Philadelphia.