Southwest offers free snacks and non-alcoholic beverages, enhancing the flight experience.
Enjoy free messaging and in-flight entertainment streamed to your device.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $319 (CheapOair) |
One-way from | $87 (FlightHub) |
Popular in | March |
Cheapest in | July |
Average price | $418 |
Good round-trip deal | $363 or less |
Good one-way deal | $192 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
jue. 7/3
7:05 am-5:04 pm
1 stop10h 59m
Lambert-St Louis
sáb. 7/5
5:40 pm-8:02 am
1 stop13h 22m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
mar. 6/24
5:15 pm-11:53 pm
1 stop7h 38m
Lambert-St Louis
dom. 7/27
2:36 pm-12:35 am
1 stop8h 59m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
jue. 8/7
7:00 am-9:52 am
1 stop3h 52m
Lambert-St Louis
mar. 8/12
5:26 pm-9:11 pm
2 stops26h 45m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
sáb. 7/5
10:30 am-5:11 pm
1 stop7h 41m
Lambert-St Louis
mar. 7/8
5:14 pm-8:25 pm
Nonstop2h 11m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
mar. 8/5
4:45 pm-6:05 pm
Nonstop2h 20m
Lambert-St Louis
sáb. 8/9
11:55 am-3:10 pm
Nonstop2h 15m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
mié. 8/6
10:38 am-4:18 pm
1 stop6h 40m
Lambert-St Louis
mié. 8/13
2:15 pm-7:18 pm
1 stop4h 03m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
mié. 8/6
8:15 am-12:27 pm
1 stop5h 12m
Lambert-St Louis
lun. 8/11
5:00 am-10:47 am
1 stop4h 47m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
jue. 6/19
7:05 am-5:04 pm
1 stop10h 59m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
vie. 9/26
5:30 am-10:07 am
1 stop5h 37m
PhiladelphiaSt. Louis
PHL - STL
PHLSTL
Philadelphia
jue. 6/26
2:38 pm-6:41 pm
2 stops29h 03m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy- | Trust Score*3 stars |
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Philadelphia to St. Louis (average of $311). Flying from Philadelphia to St. Louis in March is currently the most expensive (average of $356). 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.
It’s optimal to fly from Philadelphia to St. Louis at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Philadelphia to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from PHL to STL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Food
Comfort
Crew
Entertainment
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$53 | Average$98 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$149 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$196 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$278 | Average$416 | FlexibilityNo cancel fee | On-time63% |