€79 Cheap Flights St. Louis to Philadelphia (STL-PHL)

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

Prices were available within the past 7 days and start at €79 for one-way flights and €171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€171 Return, found 5 days ago
€171
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €171 found 5 days ago
Delta
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€183 Return, found 5 days ago
€183
Return
found 5 days ago
Select Delta flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €183 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€208 Return, found 5 days ago
€208
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €208 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€222 Return, found 5 days ago
€222
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €222 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€228 Return, found 5 days ago
€228
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €228 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€231 Return, found 5 days ago
€231
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €231 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€235 Return, found 5 days ago
€235
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €235 found 5 days ago
American Airlines
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€236 Return, found 5 days ago
€236
Return
found 5 days ago
Select American Airlines flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €236 found 5 days ago
Delta
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€241 Return, found 5 days ago
€241
Return
found 5 days ago
Select Delta flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €241 found 5 days ago
Delta
Sat, 8 Jun - Mon, 10 Jun
STL
St. Louis
PHL
Philadelphia
€248 Return, found 5 days ago
€248
Return
found 5 days ago
Select Delta flight, departing Sat, 8 Jun from St. Louis to Philadelphia, returning Mon, 10 Jun, priced at €248 found 5 days ago
St. Louis to Philadelphia route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Philadelphia Intl.
Return price
€170
Distance
1298 km

Perfect flights from St. Louis to Philadelphia

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from St. Louis to Philadelphia. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Philadelphia, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Lambert-St. Louis Intl. to Philadelphia Intl. ticket options cater to your travel preferences, with incredible one-way fares from €79 and roundtrip prices from €171. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Philadelphia Intl. and explore Philadelphia and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your STL to PHL travel arrangements today and embark on the journey of a lifetime in Philadelphia.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Philadelphia Intl. Airport (PHL)?
Round-trip journeys between STL and Philadelphia Airport start from €171. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to Philadelphia Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from STL to PHL 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 Lambert Field to PHL flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from STL to PHL?
Settle into your seat, pick an in-flight TV show and 2 hours and 6 minutes will whiz by in a jiffy. That’s how long it takes to get to PHL (PHL) from STL (STL).
How far is the flight from STL to PHL?
The distance from Lambert-St. Louis Intl. Airport (STL) (STL) to Philadelphia Intl. Airport (PHL) (PHL) is only 1,300 kilometres. You’ll be walking down the air bridge and collecting your suitcase from the carousel in no time.
Which airlines fly direct from St. Louis Lambert International Airport to PHL?
With 56 flights a month from Lambert Field to PHL, Southwest Airlines (WN) is a top choice. Another carrier servicing this route is American Airlines (AA). You’ll have 30 flights each month to select from.
Are St. Louis Lambert International Airport to PHL flight tickets cheaper when they're purchased at the last minute?
It is possible to find an amazing last-minute deal from STL to PHL, but it can also be hit-or-miss. As many airlines advertise prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you’re always seeing the latest offers.
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