Compare live prices for STL to PHL. Use the search panel
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STL → PHLApprox. 1306.01 km07 May 2026Live inventory
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Showing 25
of 105
live flights
American Airlines
AA-1308
06:29
05/07/2026
STL
St Louis Lambert International Airport
3h 16m
Non-stop
09:45
05/07/2026
PHL
Philadelphia International Airport
₹14,763
per person
✕ Non-refundable11 fare options
American Airlines
AA-3130
13:29
05/07/2026
STL
St Louis Lambert International Airport
3h 20m
Non-stop
16:49
05/07/2026
PHL
Philadelphia International Airport
₹14,763
per person
✓ Refundable11 fare options
Southwest Airlines
WN-3727
13:35
05/07/2026
STL
St Louis Lambert International Airport
3h 10m
Non-stop
16:45
05/07/2026
PHL
Philadelphia International Airport
₹15,086
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1626
06:45
05/07/2026
STL
St Louis Lambert International Airport
5h 5m
1 Stop
⏱ DTW · 0h 56mDTW Airport
11:50
05/07/2026
PHL
Philadelphia International Airport
₹15,660
per person
✕ Non-refundable
Delta Air Lines
DL-1371
13:59
05/07/2026
STL
St Louis Lambert International Airport
5h 28m
1 Stop
⏱ DTW · 1h 15mDTW Airport
19:27
05/07/2026
PHL
Philadelphia International Airport
₹15,660
per person
✕ Non-refundable
Delta Air Lines
DL-1524
06:00
05/07/2026
STL
St Louis Lambert International Airport
7h 18m
1 Stop
⏱ ATL · 2h 34mATL Airport
13:18
05/07/2026
PHL
Philadelphia International Airport
₹15,660
per person
✕ Non-refundable
American Airlines
AA-858
07:00
05/07/2026
STL
St Louis Lambert International Airport
5h 50m
1 Stop
⏱ CLT · 1h 3mCLT Airport
12:50
05/07/2026
PHL
Philadelphia International Airport
₹15,672
per person
✓ Refundable11 fare options
Southwest Airlines
WN-4489
05:40
05/07/2026
STL
St Louis Lambert International Airport
4h 55m
1 Stop
⏱ MDW · 0h 50mMDW Airport
10:35
05/07/2026
PHL
Philadelphia International Airport
₹16,177
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3456
09:55
05/07/2026
STL
St Louis Lambert International Airport
7h 20m
1 Stop
⏱ BNA · 3h 10mBNA Airport
17:15
05/07/2026
PHL
Philadelphia International Airport
₹16,177
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-417
05:00
05/07/2026
STL
St Louis Lambert International Airport
6h 40m
1 Stop
⏱ MCO · 0h 40mMCO Airport
11:40
05/07/2026
PHL
Philadelphia International Airport
₹16,177
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-4504
10:15
05/07/2026
STL
St Louis Lambert International Airport
3h 10m
Non-stop
13:25
05/07/2026
PHL
Philadelphia International Airport
₹18,731
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3022
19:55
05/07/2026
STL
St Louis Lambert International Airport
3h 10m
Non-stop
23:05
05/07/2026
PHL
Philadelphia International Airport
₹18,731
per person
✕ Non-refundable6 fare options
American Airlines
AA-3128
05:51
05/07/2026
STL
St Louis Lambert International Airport
5h 48m
1 Stop
⏱ ORD · 1h 9mORD Airport
11:39
05/07/2026
PHL
Philadelphia International Airport
₹19,281
per person
✓ Refundable11 fare options
American Airlines
AA-3128
05:51
05/07/2026
STL
St Louis Lambert International Airport
8h 34m
1 Stop
⏱ ORD · 3h 56mORD Airport
14:25
05/07/2026
PHL
Philadelphia International Airport
₹19,281
per person
✓ Refundable10 fare options
American Airlines
AA-2444
07:05
05/07/2026
STL
St Louis Lambert International Airport
7h 20m
1 Stop
⏱ ORD · 2h 41mORD Airport
14:25
05/07/2026
PHL
Philadelphia International Airport
₹19,281
per person
✓ Refundable10 fare options
American Airlines
AA-2943
18:54
05/07/2026
STL
St Louis Lambert International Airport
5h 46m
1 Stop
⏱ CLT · 0h 52mCLT Airport
00:40
05/08/2026
+1
PHL
Philadelphia International Airport
₹19,281
per person
✓ Refundable10 fare options
United Airlines
UA-473
07:45
05/07/2026
STL
St Louis Lambert International Airport
6h 31m
1 Stop
⏱ ORD · 1h 53mORD Airport
14:16
05/07/2026
PHL
Philadelphia International Airport
₹19,363
per person
✕ Non-refundable5 fare options
United Airlines
UA-4423
06:30
05/07/2026
STL
St Louis Lambert International Airport
7h 46m
1 Stop
⏱ ORD · 3h 11mORD Airport
14:16
05/07/2026
PHL
Philadelphia International Airport
₹19,375
per person
✓ Refundable🔥 Last 3 seats4 fare options
Southwest Airlines
WN-4668
07:35
05/07/2026
STL
St Louis Lambert International Airport
5h 20m
1 Stop
⏱ BNA · 1h 5mBNA Airport
12:55
05/07/2026
PHL
Philadelphia International Airport
₹19,822
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3816
15:25
05/07/2026
STL
St Louis Lambert International Airport
8h 20m
1 Stop
⏱ MCO · 2h 15mMCO Airport
23:45
05/07/2026
PHL
Philadelphia International Airport
₹19,822
per person
✕ Non-refundable🔥 Last 1 seats6 fare options
Southwest Airlines
WN-2623
08:25
05/07/2026
STL
St Louis Lambert International Airport
9h 30m
1 Stop
⏱ DEN · 2h 40mDEN Airport
17:55
05/07/2026
PHL
Philadelphia International Airport
₹19,822
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-2952
15:00
05/07/2026
STL
St Louis Lambert International Airport
9h 35m
1 Stop
⏱ DEN · 2h 40mDEN Airport
00:35
05/08/2026
+1
PHL
Philadelphia International Airport
₹19,822
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-3613
10:50
05/07/2026
STL
St Louis Lambert International Airport
7h 35m
1 Stop
⏱ MDW · 3h 25mMDW Airport
18:25
05/07/2026
PHL
Philadelphia International Airport
₹19,822
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-451
14:15
05/07/2026
STL
St Louis Lambert International Airport
9h 30m
1 Stop
⏱ MCO · 2h 0mMCO Airport
23:45
05/07/2026
PHL
Philadelphia International Airport
₹20,317
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2445
14:10
05/07/2026
STL
St Louis Lambert International Airport
8h 35m
1 Stop
⏱ BNA · 4h 25mBNA Airport
22:45
05/07/2026
PHL
Philadelphia International Airport
₹20,345
per person
✕ Non-refundable🔥 Last 5 seats5 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 07 May 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.