St. Louis (STL) to Philadelphia (PHL) Flights from ₹15,141
Fares on this route currently start from ₹15,141. Compare live STL to PHL prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → PHLApprox. 1306.01 km04 Jun 2026Live inventory
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Showing 25
of 100
live flights
American Airlines
AA-2720
11:18
06/04/2026
STL
St Louis Lambert International Airport
3h 21m
Non-stop
14:39
06/04/2026
PHL
Philadelphia International Airport
₹15,141
per person
✓ Refundable16 fare options
American Airlines
AA-1308
06:15
06/04/2026
STL
St Louis Lambert International Airport
3h 23m
Non-stop
09:38
06/04/2026
PHL
Philadelphia International Airport
₹15,141
per person
✕ Non-refundable16 fare options
Southwest Airlines
WN-3966
20:45
06/04/2026
STL
St Louis Lambert International Airport
3h 10m
Non-stop
23:55
06/04/2026
PHL
Philadelphia International Airport
₹15,968
per person
✕ Non-refundable9 fare options
Delta Air Lines
DL-1393
19:01
06/04/2026
STL
St Louis Lambert International Airport
5h 56m
1 Stop
⏱ ATL · 1h 11mATL Airport
00:57
06/05/2026
+1
PHL
Philadelphia International Airport
₹15,980
per person
✕ Non-refundable6 fare options
American Airlines
AA-2731
18:13
06/04/2026
STL
St Louis Lambert International Airport
6h 2m
1 Stop
⏱ CLT · 1h 18mCLT Airport
00:15
06/05/2026
+1
PHL
Philadelphia International Airport
₹16,073
per person
✓ Refundable16 fare options
American Airlines
AA-1926
06:00
06/04/2026
STL
St Louis Lambert International Airport
5h 40m
1 Stop
⏱ ORD · 1h 2mORD Airport
11:40
06/04/2026
PHL
Philadelphia International Airport
₹16,073
per person
✓ Refundable16 fare options
Southwest Airlines
WN-3344
12:40
06/04/2026
STL
St Louis Lambert International Airport
5h 40m
1 Stop
⏱ MDW · 1h 35mMDW Airport
18:20
06/04/2026
PHL
Philadelphia International Airport
₹17,808
per person
✕ Non-refundable🔥 Last 3 seats9 fare options
Southwest Airlines
WN-482
19:15
06/04/2026
STL
St Louis Lambert International Airport
5h 5m
1 Stop
⏱ BNA · 1h 0mBNA Airport
00:20
06/05/2026
+1
PHL
Philadelphia International Airport
₹17,961
per person
✓ Refundable4 fare options
Southwest Airlines
WN-694
17:35
06/04/2026
STL
St Louis Lambert International Airport
6h 45m
1 Stop
⏱ BNA · 2h 35mBNA Airport
00:20
06/05/2026
+1
PHL
Philadelphia International Airport
₹17,961
per person
✓ Refundable4 fare options
United Airlines
UA-1008
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 25m
1 Stop
⏱ ORD · 1h 36mORD Airport
12:25
06/04/2026
PHL
Philadelphia International Airport
₹19,759
per person
✕ Non-refundable6 fare options
American Airlines
AA-2714
17:40
06/04/2026
STL
St Louis Lambert International Airport
3h 29m
Non-stop
21:09
06/04/2026
PHL
Philadelphia International Airport
₹20,610
per person
✓ Refundable16 fare options
Delta Air Lines
DL-2822
18:04
06/04/2026
STL
St Louis Lambert International Airport
5h 3m
1 Stop
⏱ DTW · 0h 53mDTW Airport
23:07
06/04/2026
PHL
Philadelphia International Airport
₹21,651
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1626
06:45
06/04/2026
STL
St Louis Lambert International Airport
5h 5m
1 Stop
⏱ DTW · 0h 56mDTW Airport
11:50
06/04/2026
PHL
Philadelphia International Airport
₹21,651
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1536
07:05
06/04/2026
STL
St Louis Lambert International Airport
7h 55m
1 Stop
⏱ ATL · 3h 20mATL Airport
15:00
06/04/2026
PHL
Philadelphia International Airport
₹21,651
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-2868
10:19
06/04/2026
STL
St Louis Lambert International Airport
6h 11m
1 Stop
⏱ DTW · 2h 2mDTW Airport
16:30
06/04/2026
PHL
Philadelphia International Airport
₹21,868
per person
✕ Non-refundable
Delta Air Lines
DL-1524
06:00
06/04/2026
STL
St Louis Lambert International Airport
7h 18m
1 Stop
⏱ ATL · 2h 34mATL Airport
13:18
06/04/2026
PHL
Philadelphia International Airport
₹21,868
per person
✕ Non-refundable
Southwest Airlines
WN-3222
10:00
06/04/2026
STL
St Louis Lambert International Airport
3h 10m
Non-stop
13:10
06/04/2026
PHL
Philadelphia International Airport
₹23,525
per person
✕ Non-refundable9 fare options
American Airlines
AA-712
07:30
06/04/2026
STL
St Louis Lambert International Airport
5h 14m
1 Stop
⏱ CLT · 0h 31mCLT Airport
12:44
06/04/2026
PHL
Philadelphia International Airport
₹23,666
per person
✓ Refundable16 fare options
American Airlines
AA-858
05:14
06/04/2026
STL
St Louis Lambert International Airport
7h 30m
1 Stop
⏱ CLT · 2h 52mCLT Airport
12:44
06/04/2026
PHL
Philadelphia International Airport
₹23,666
per person
✓ Refundable16 fare options
American Airlines
AA-858
05:14
06/04/2026
STL
St Louis Lambert International Airport
6h 7m
1 Stop
⏱ CLT · 1h 22mCLT Airport
11:21
06/04/2026
PHL
Philadelphia International Airport
₹23,666
per person
✓ Refundable11 fare options
American Airlines
AA-712
07:30
06/04/2026
STL
St Louis Lambert International Airport
7h 22m
1 Stop
⏱ CLT · 2h 33mCLT Airport
14:52
06/04/2026
PHL
Philadelphia International Airport
₹23,666
per person
✓ Refundable11 fare options
American Airlines
AA-2733
09:25
06/04/2026
STL
St Louis Lambert International Airport
5h 27m
1 Stop
⏱ CLT · 0h 44mCLT Airport
14:52
06/04/2026
PHL
Philadelphia International Airport
₹23,666
per person
✓ Refundable11 fare options
Southwest Airlines
WN-1110
11:25
06/04/2026
STL
St Louis Lambert International Airport
6h 25m
1 Stop
⏱ BNA · 2h 10mBNA Airport
17:50
06/04/2026
PHL
Philadelphia International Airport
₹25,365
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-4801
05:00
06/04/2026
STL
St Louis Lambert International Airport
7h 5m
1 Stop
⏱ DAL · 1h 5mDAL Airport
12:05
06/04/2026
PHL
Philadelphia International Airport
₹25,365
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
Southwest Airlines
WN-3947
09:55
06/04/2026
STL
St Louis Lambert International Airport
7h 20m
1 Stop
⏱ MCO · 1h 25mMCO Airport
17:15
06/04/2026
PHL
Philadelphia International Airport
₹25,365
per person
✕ Non-refundable🔥 Last 1 seats9 fare options
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
Philadelphia (PHL)
📍 Philadelphia International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 39.87189865112305
📐 Longitude: -75.24109649658203
✈ Distance: St. Louis,USA to Philadelphia,USA — 1306.01 km
📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.
St. Louis to Philadelphia — what to expect when booking
The STL–PHL route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between St. Louis,USA and Philadelphia,USA is approximately
1306.01 km.
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❓ Frequently asked questions — St. Louis to Philadelphia flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between St. Louis,USA (STL) and Philadelphia,USA (PHL) is approximately 1306.01 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.