Compare live prices for PHL to STL. Use the search panel
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PHL → STLApprox. 1306.01 km08 May 2026Live inventory
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Showing 25
of 111
live flights
American Airlines
AA-3130
11:06
05/08/2026
PHL
Philadelphia International Airport
1h 42m
Non-stop
12:48
05/08/2026
STL
St Louis Lambert International Airport
₹18,364
per person
✕ Non-refundable14 fare options
American Airlines
AA-1368
17:42
05/08/2026
PHL
Philadelphia International Airport
1h 47m
Non-stop
19:29
05/08/2026
STL
St Louis Lambert International Airport
₹18,364
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-4952
06:10
05/08/2026
PHL
Philadelphia International Airport
1h 25m
Non-stop
07:35
05/08/2026
STL
St Louis Lambert International Airport
₹18,731
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3725
12:20
05/08/2026
PHL
Philadelphia International Airport
1h 25m
Non-stop
13:45
05/08/2026
STL
St Louis Lambert International Airport
₹18,731
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-668
19:10
05/08/2026
PHL
Philadelphia International Airport
1h 40m
Non-stop
20:50
05/08/2026
STL
St Louis Lambert International Airport
₹18,731
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1540
06:12
05/08/2026
PHL
Philadelphia International Airport
3h 17m
1 Stop
⏱ DTW · 0h 50mDTW Airport
09:29
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2968
09:45
05/08/2026
PHL
Philadelphia International Airport
3h 25m
1 Stop
⏱ DTW · 1h 2mDTW Airport
13:10
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2279
14:23
05/08/2026
PHL
Philadelphia International Airport
3h 33m
1 Stop
⏱ ATL · 0h 41mATL Airport
17:56
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2270
12:07
05/08/2026
PHL
Philadelphia International Airport
4h 8m
1 Stop
⏱ ATL · 1h 22mATL Airport
16:15
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable2 fare options
American Airlines
AA-793
13:47
05/08/2026
PHL
Philadelphia International Airport
4h 17m
1 Stop
⏱ CLT · 1h 14mCLT Airport
18:04
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable13 fare options
American Airlines
AA-1312
19:40
05/08/2026
PHL
Philadelphia International Airport
4h 16m
1 Stop
⏱ ORD · 1h 5mORD Airport
23:56
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable13 fare options
American Airlines
AA-2095
07:15
05/08/2026
PHL
Philadelphia International Airport
4h 32m
1 Stop
⏱ ORD · 1h 31mORD Airport
11:47
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable13 fare options
American Airlines
AA-1189
12:50
05/08/2026
PHL
Philadelphia International Airport
4h 22m
1 Stop
⏱ BOS · 0h 41mBOS Airport
17:12
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-1391
17:18
05/08/2026
PHL
Philadelphia International Airport
3h 51m
1 Stop
⏱ DTW · 1h 28mDTW Airport
21:09
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
Delta Air Lines
DL-508
17:17
05/08/2026
PHL
Philadelphia International Airport
4h 21m
1 Stop
⏱ ATL · 1h 29mATL Airport
21:38
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
Delta Air Lines
DL-1269
05:17
05/08/2026
PHL
Philadelphia International Airport
4h 27m
1 Stop
⏱ ATL · 1h 35mATL Airport
09:44
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
Delta Air Lines
DL-2331
12:38
05/08/2026
PHL
Philadelphia International Airport
4h 38m
1 Stop
⏱ DTW · 2h 19mDTW Airport
17:16
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
American Airlines
AA-490
17:12
05/08/2026
PHL
Philadelphia International Airport
5h 7m
1 Stop
⏱ ORD · 1h 55mORD Airport
22:19
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-2131
16:06
05/08/2026
PHL
Philadelphia International Airport
5h 32m
1 Stop
⏱ ATL · 2h 40mATL Airport
21:38
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
Delta Air Lines
DL-2153
10:32
05/08/2026
PHL
Philadelphia International Airport
5h 43m
1 Stop
⏱ ATL · 2h 49mATL Airport
16:15
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
American Airlines
AA-793
13:47
05/08/2026
PHL
Philadelphia International Airport
5h 43m
1 Stop
⏱ CLT · 2h 41mCLT Airport
19:30
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
American Airlines
AA-2006
06:00
05/08/2026
PHL
Philadelphia International Airport
5h 47m
1 Stop
⏱ ORD · 2h 46mORD Airport
11:47
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
American Airlines
AA-1049
10:40
05/08/2026
PHL
Philadelphia International Airport
6h 1m
1 Stop
⏱ ORD · 3h 0mORD Airport
16:41
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
American Airlines
AA-1462
15:45
05/08/2026
PHL
Philadelphia International Airport
6h 34m
1 Stop
⏱ ORD · 3h 26mORD Airport
22:19
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable12 fare options
Delta Air Lines
DL-508
17:17
05/08/2026
PHL
Philadelphia International Airport
6h 42m
1 Stop
⏱ ATL · 3h 43mATL Airport
23:59
05/08/2026
STL
St Louis Lambert International Airport
₹19,272
per person
✕ Non-refundable
😕 No flights match your filters.
Philadelphia (PHL)
📍 Philadelphia International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 39.87189865112305
📐 Longitude: -75.24109649658203
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
✈ Distance: Philadelphia,USA to St. Louis,USA — 1306.01 km
📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.
Philadelphia to St. Louis — what to expect when booking
The PHL–STL 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 Philadelphia,USA and St. Louis,USA is approximately
1306.01 km.
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❓ Frequently asked questions — Philadelphia to St. Louis 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 Philadelphia,USA (PHL) and St. Louis,USA (STL) 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.