₹9,278 Cheap Flights from St. Louis (STL) to Philadelphia (PHL)

View ₹9,278 flight on Thu, 9 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ₹9,278 for one-way flights and ₹47,626 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹47,626 Return, found 2 days ago
₹47,626
Return
found 2 days ago
Select United flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹47,626 found 2 days ago
United
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹47,686 Return, found 2 days ago
₹47,686
Return
found 2 days ago
Select United flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹47,686 found 2 days ago
Delta
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹48,056 Return, found 2 days ago
₹48,056
Return
found 2 days ago
Select Delta flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹48,056 found 2 days ago
Delta
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹48,110 Return, found 2 days ago
₹48,110
Return
found 2 days ago
Select Delta flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹48,110 found 2 days ago
United
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹48,460 Return, found 2 days ago
₹48,460
Return
found 2 days ago
Select United flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹48,460 found 2 days ago
American Airlines
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹48,824 Return, found 2 days ago
₹48,824
Return
found 2 days ago
Select American Airlines flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹48,824 found 2 days ago
Delta
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹48,890 Return, found 2 days ago
₹48,890
Return
found 2 days ago
Select Delta flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹48,890 found 2 days ago
American Airlines
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹49,658 Return, found 2 days ago
₹49,658
Return
found 2 days ago
Select American Airlines flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹49,658 found 2 days ago
Delta
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹50,115 Return, found 2 days ago
₹50,115
Return
found 2 days ago
Select Delta flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹50,115 found 2 days ago
United
Wed, 30 Jul - Sat, 2 Aug
STL
St. Louis
PHL
Philadelphia
₹50,174 Return, found 2 days ago
₹50,174
Return
found 2 days ago
Select United flight, departing Wed, 30 Jul from St. Louis to Philadelphia, returning Sat, 2 Aug, priced at ₹50,174 found 2 days ago

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

October is typically the cheapest month to fly

From ₹6,681 - ₹35,733 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Philadelphia route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Philadelphia Intl.
Return price
₹47,626
Distance
1298 km
Average flight time
3 hours 13 mins

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 ₹47,626. 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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