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Cheap flights from Pennsylvania (PA) to St Louis (STL)

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How to find the cheapest flight from
Pennsylvania to St Louis (STL)

How far in advance should I book a flight from Pennsylvania to St Louis?

To save on the cost of your flight from Pennsylvania to St Louis, book at least 61 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $164 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $181.

Cheap flights from Pennsylvania to St Louis in September, October 2020

The best prices found for Pennsylvania to STL flights for September, October
21 Oct - 11 Nov
$120pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
PHL
Philadelphia
21 Oct - 13 Nov
$140pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
PHL
Philadelphia
21 Oct - 28 Oct
$150pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
PHL
Philadelphia

Pennsylvania to St Louis 2020 flight deals

Cheap flights to St Louis from Pennsylvania found for this year
21 Oct - 11 Nov
$120pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
PHL
Philadelphia
21 Oct - 13 Nov
$140pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
PHL
Philadelphia
19 Nov - 22 Nov
$147pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
PHL
Philadelphia

Non-stop flights to St Louis from Pennsylvania

Save time with Pennsylvania to St Louis direct flight deals
14 Oct - 19 Oct
$180pp
PHL
Philadelphia
Major Airline
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Major Airline
Non-Stop
PHL
Philadelphia
7 Oct - 12 Oct
$187pp
PHL
Philadelphia
Major Airline
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Major Airline
Non-Stop
PHL
Philadelphia

Last minute flights from Pennsylvania to St Louis

Late deals on round-trip flights to St Louis from Pennsylvania, departing today and this week
2 Oct - 7 Oct
$203pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
PHL
Philadelphia
2 Oct - 6 Oct
$218pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHL
Philadelphia
2 Oct - 5 Oct
$223pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHL
Philadelphia

One-way flights to St Louis from Pennsylvania

The cheapest one-way flights from Pennsylvania to St Louis
8:40 am - 6:25 pm
Delta
2 Stops
10h 45m
ABE - STL
Delta
$118
Delta
2:45 am - 12:09 pm
Multiple Airlines
2 Stops
34h 24m
AVP - STL
Multiple Airlines
$487
United
4:25 am - 12:45 pm
Linear Air Taxi
2 Stops
9h 20m
AVP - STL
Linear Air Taxi
$7,297
Travelgenio

Related info for your journey

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

Flight FAQs

From Pennsylvania to St Louis

Are flight prices decreasing from Pennsylvania 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 Pennsylvania 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.

Can I find flights from Pennsylvania to St Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Pennsylvania to St Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $120, but on average you can expect to pay $179.

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

Cheapflights has at least 2 direct flights from Pennsylvania to St Louis under $200. A good price for a nonstop flight from Pennsylvania to St Louis is less than $183.

Are there last-minute flights available from Pennsylvania to St Louis for under $300?

There are currently 20+ open flights from Pennsylvania to St Louis within the next 7 days for less than $300.

What are the most popular airlines that fly from Pennsylvania to St Louis?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Pennsylvania to St Louis.

What are the most popular routes from Pennsylvania to St Louis?

When deciding which route to take from Pennsylvania to St Louis consider Philadelphia - Lambert-St Louis, Pittsburgh - Lambert-St Louis or Harrisburg - Lambert-St Louis as they are the most popular.

What are the cheapest Flights from Pennsylvania to St Louis?

The cheapest flight price from Pennsylvania to St Louis is $128. On average you can expect to pay $309. The most popular route, (Philadelphia - Lambert-St Louis), can usually be booked for $135.

What are the most reliable airlines from Pennsylvania to St Louis?

Before booking your flight to St Louis from Pennsylvania, check out the most reliable airlines to get you to your destination on time: Republic Airways (98%), American Airlines (97%), Southwest( 96%).

How long is the flight from Pennsylvania to St Louis?

For as low as $187, Major Airline can have you in St Louis from Pennsylvania in 2h 31m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Pennsylvania to St Louis round-trip?

Our cheapest airline available from Pennsylvania to St Louis is Major Airline. Our recent data shows that you can find tickets from as low as $180 on this airline. An additional option worth looking into is Delta, starting at $186.

What are the cheapest airlines to fly from Pennsylvania to St Louis one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $103. Delta is not the only option available. At the moment, Linear Air Taxi is another option, for $5,269.

Arrival points for flights from Pennsylvania to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Pennsylvania to St Louis
Flight duration
2h 18m
Average temperature for September in St Louis
82.4 °F
Avg rainfall for September in St Louis
3.0 ″

Airports servicing

DuBois (DUJ)
Erie (ERI)
Franklin (FKL)
Williamsport (IPT)
Johnstown (JST)

Airports servicing St. Louis

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