$60 Cheap Flights from Philadelphia to St. Louis

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Find The Best Dates To Fly from Philadelphia Intl. to Lambert-St. Louis Intl.

Amazing PHL to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $108 round trip and $60 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for PHL to STL

CarrierFlightDepart PHLArrive STLMon
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Stops
AA470208:09 am09:48 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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AA481601:40 pm03:21 pm
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AA521108:10 pm10:01 pm
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AA545001:40 pm03:24 pm
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FAQs about flights from Philadelphia Intl. Airport (PHL) to Lambert-St. Louis Intl. Airport (STL)

Can I catch a flight from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) right now?

It's wise to learn about any travel advice reports and quarantine requirements in effect in your destination city. Be sure to check out our Covid-19 Travel Advisor for up-to-date info on flying to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.).

Are there direct flights from Philadelphia Intl. Airport (PHL) to St. Louis Lambert International Airport?

For direct flights from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to Lambert-St. Louis Intl. Airport (STL), take a look at American Airlines. This airline is the one for you if you prefer to travel from A to B with minimum fuss.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Lambert Field, please visit our Customer Service Portal.

How long is the flight from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to STL?

Flying from Philadelphia Intl. Airport (PHL) to STL is no sweat as the flight generally lasts about 2 hours and 31 minutes. With such a short flight time, there's a good chance you'll walk off the plane feeling as lively as when you stepped on board.

What is the flight distance from PHL to Lambert-St. Louis Intl. Airport (STL)?

With a flight distance of just 808 mi, a magazine or an episode of your favorite TV show is all you'll need to keep yourself amused from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to Lambert-St. Louis Intl. Airport (STL). You'll be filing off the plane and throwing yourself into unforgettable adventures before you know it.

What airlines fly from Philadelphia Airport to St. Louis Lambert International Airport?

With American Airlines, you won't have to put up with long layovers or killing time waiting to catch your next flight. This top-rated airline will fly you nonstop from Philadelphia to St. Louis on one of the 145 flights servicing this route every month.

What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

 

Traveling From Philadelphia Intl.
Traveling To Lambert-St. Louis Intl.
Shortest Flight Time 2 hours 30 mins
Earliest Departure Time 8:09AM EST
Latest Departure Time 8:10PM EST
Lowest Flight Price $108

Route Info

Flight path for flights from Philadelphia International Airport to Lambert-St. Louis International Airport

Distance:
816.00 miles

Airlines & Aircraft Used on PHL to STL Flight Routes

Airline Carrier
Aircraft
American Airlines
Aerospatiale/Alenia ATR 42-300 / 320
American Airlines
Airbus A319
American Airlines
Beechcraft 1900/1900C/1900D
American Airlines
Embraer 190
Jet Airways (India)
Airbus A330-300
Jet Airways (India)
Boeing 737-800 (winglets) pax
Jet Airways (India)
Boeing 737-900 pax
United Airlines
Canadair Regional Jet

Discover our best flights from Philadelphia PHL to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Philadelphia PHL to St. Louis STL at the right price  

Airfares to St. Louis STL from Philadelphia PHL currently cost between $108 and $159. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Philadelphia PHL to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Philadelphia PHL to St. Louis STL on Travelocity starting at $60. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Philadelphia PHL quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from PHL to take around 2 hour(s) 30 min(s).  

 

Find our cheapest airfares for flights from Philadelphia PHL to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from PHL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Philadelphia PHL to St. Louis STL today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Philadelphia PHL to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Philadelphia PHL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from PHL have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Philadelphia PHL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.