Cheap Flights from Philadelphia (PHL) to St. Louis (STL)

Popular airlines from Philadelphia Intl. Airport (PHL) to St. Louis Lambert Intl. Airport (STL)

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Find the cheapest month to fly from Philadelphia (PHL) to St. Louis (STL)

February is typically the cheapest month to fly

From ￥17,672 - ￥61,435 per traveler.

Frequently asked questions

How much is a flight from Philadelphia Airport to Lambert Field?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Philadelphia Airport to St. Louis Lambert International Airport was . Cheap tickets don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to Lambert Field?
Most flights can be conveniently canceled online, but whether you incur a fee varies between airlines. If you do need to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from PHL to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Philadelphia Airport to St. Louis Lambert International Airport?
The flight time from Philadelphia Airport to Lambert-St. Louis Intl. Airport (STL) is about 2 hours and 25 minutes, so don't get too cozy. There's a good chance the next time you peek out the window you'll be making your descent into St. Louis.
How far is the flight from PHL to St. Louis Lambert International Airport?
It's just 1,300 kilometers between Philadelphia and St. Louis. It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from Philadelphia Airport to Lambert Field?
American Airlines (AA) will get you from Philadelphia Intl. Airport (PHL) to Lambert Field comfortably and reliably. You can choose from 60 flights each month on this route.
Are Philadelphia Intl. Airport (PHL) to St. Louis Lambert International Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from PHL to Lambert-St. Louis Intl. Airport (STL), but it's also possible to miss out altogether! As many airlines release seats up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can feel confident knowing you're always getting the latest offers.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1298 km
Average flight time
1 hour 31 mins

Book with confidence

Book with confidence

Philadelphia to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Philadelphia to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PHL to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Philadelphia for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Philadelphia to St. Louis Flights

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