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Philadelphia (PHL) to St. Louis (STL) Flights from ₹11,473

Fares on this route currently start from ₹11,473. Compare live PHL to STL 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.
PHL → STL Approx. 1306.01 km 14 Jul 2026 Live inventory
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Showing 25 of 125 live flights
Frontier Airlines
F9-2505
17:52
07/14/2026
PHL
Philadelphia International Airport
6h 7m
1 Stop
⏱ MCO · 1h 36mMCO Airport
23:59
07/14/2026
STL
St Louis Lambert International Airport
₹11,473
per person
✕ Non-refundable
Frontier Airlines
F9-2297
08:30
07/14/2026
PHL
Philadelphia International Airport
9h 7m
1 Stop
⏱ ATL · 5h 43mATL Airport
17:37
07/14/2026
STL
St Louis Lambert International Airport
₹12,002
per person
✕ Non-refundable
Frontier Airlines
F9-2551
06:30
07/14/2026
PHL
Philadelphia International Airport
11h 7m
1 Stop
⏱ ATL · 7h 38mATL Airport
17:37
07/14/2026
STL
St Louis Lambert International Airport
₹12,002
per person
✕ Non-refundable
Frontier Airlines
F9-1541
21:16
07/14/2026
PHL
Philadelphia International Airport
26h 43m
1 Stop
⏱ MCO · 22h 34mMCO Airport
23:59
07/15/2026
+1
STL
St Louis Lambert International Airport
₹12,003
per person
✕ Non-refundable
Frontier Airlines
F9-4173
13:28
07/14/2026
PHL
Philadelphia International Airport
10h 31m
1 Stop
⏱ MCO · 6h 20mMCO Airport
23:59
07/14/2026
STL
St Louis Lambert International Airport
₹12,003
per person
✕ Non-refundable
Frontier Airlines
F9-1601
11:06
07/14/2026
PHL
Philadelphia International Airport
30h 59m
1 Stop
⏱ LAS · 23h 8mLAS Airport
18:05
07/15/2026
+1
STL
St Louis Lambert International Airport
₹12,003
per person
✕ Non-refundable
Southwest Airlines
WN-3227
06:20
07/14/2026
PHL
Philadelphia International Airport
1h 20m
Non-stop
07:40
07/14/2026
STL
St Louis Lambert International Airport
₹12,260
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-2679
17:05
07/14/2026
PHL
Philadelphia International Airport
1h 35m
Non-stop
18:40
07/14/2026
STL
St Louis Lambert International Airport
₹12,260
per person
✕ Non-refundable10 fare options
American Airlines
AA-1368
21:59
07/14/2026
PHL
Philadelphia International Airport
1h 33m
Non-stop
23:32
07/14/2026
STL
St Louis Lambert International Airport
₹12,654
per person
✕ Non-refundable17 fare options
American Airlines
AA-2714
15:24
07/14/2026
PHL
Philadelphia International Airport
1h 38m
Non-stop
17:02
07/14/2026
STL
St Louis Lambert International Airport
₹12,654
per person
✕ Non-refundable17 fare options
Delta Air Lines
DL-1391
17:28
07/14/2026
PHL
Philadelphia International Airport
3h 9m
1 Stop
⏱ DTW · 0h 45mDTW Airport
20:37
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-2968
09:46
07/14/2026
PHL
Philadelphia International Airport
3h 19m
1 Stop
⏱ DTW · 0h 57mDTW Airport
13:05
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1540
06:10
07/14/2026
PHL
Philadelphia International Airport
3h 21m
1 Stop
⏱ DTW · 1h 2mDTW Airport
09:31
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1269
05:15
07/14/2026
PHL
Philadelphia International Airport
4h 28m
1 Stop
⏱ ATL · 1h 45mATL Airport
09:43
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-794
19:17
07/14/2026
PHL
Philadelphia International Airport
4h 36m
1 Stop
⏱ ATL · 1h 10mATL Airport
23:53
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1152
06:25
07/14/2026
PHL
Philadelphia International Airport
5h 52m
1 Stop
⏱ ATL · 3h 12mATL Airport
12:17
07/14/2026
STL
St Louis Lambert International Airport
₹12,868
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1180
08:05
07/14/2026
PHL
Philadelphia International Airport
4h 12m
1 Stop
⏱ ATL · 1h 29mATL Airport
12:17
07/14/2026
STL
St Louis Lambert International Airport
₹12,997
per person
✕ Non-refundable
Delta Air Lines
DL-1692
17:17
07/14/2026
PHL
Philadelphia International Airport
4h 58m
1 Stop
⏱ ATL · 2h 4mATL Airport
22:15
07/14/2026
STL
St Louis Lambert International Airport
₹12,997
per person
✕ Non-refundable
Delta Air Lines
DL-2131
16:08
07/14/2026
PHL
Philadelphia International Airport
6h 7m
1 Stop
⏱ ATL · 3h 1mATL Airport
22:15
07/14/2026
STL
St Louis Lambert International Airport
₹12,997
per person
✕ Non-refundable
Delta Air Lines
DL-1692
17:17
07/14/2026
PHL
Philadelphia International Airport
6h 36m
1 Stop
⏱ ATL · 3h 41mATL Airport
23:53
07/14/2026
STL
St Louis Lambert International Airport
₹12,997
per person
✕ Non-refundable
Southwest Airlines
WN-3226
18:40
07/14/2026
PHL
Philadelphia International Airport
3h 50m
1 Stop
⏱ MDW · 1h 5mMDW Airport
22:30
07/14/2026
STL
St Louis Lambert International Airport
₹13,371
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-3217
19:25
07/14/2026
PHL
Philadelphia International Airport
3h 40m
1 Stop
⏱ BNA · 0h 55mBNA Airport
23:05
07/14/2026
STL
St Louis Lambert International Airport
₹13,371
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-3112
16:35
07/14/2026
PHL
Philadelphia International Airport
5h 55m
1 Stop
⏱ MDW · 3h 10mMDW Airport
22:30
07/14/2026
STL
St Louis Lambert International Airport
₹13,371
per person
✕ Non-refundable5 fare options
American Airlines
AA-2925
12:42
07/14/2026
PHL
Philadelphia International Airport
3h 58m
1 Stop
⏱ ORD · 0h 52mORD Airport
16:40
07/14/2026
STL
St Louis Lambert International Airport
₹13,754
per person
✕ Non-refundable17 fare options
American Airlines
AA-3074
07:42
07/14/2026
PHL
Philadelphia International Airport
5h 9m
1 Stop
⏱ ORD · 2h 15mORD Airport
12:51
07/14/2026
STL
St Louis Lambert International Airport
₹13,754
per person
✕ Non-refundable16 fare options
😕 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,USA1306.01 km

📅 Results on this page are loaded for 14 Jul 2026. Click Load more flights to expand the full list on this page.

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.

Before you book

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More flights from Philadelphia (PHL)
112 routes
Philadelphia Akron
PHL → CAK
Philadelphia Albany
PHL → ALB
Philadelphia Allentown
PHL → ABE
Philadelphia Amsterdam
PHL → AMS
Philadelphia Athens
PHL → ATH
Philadelphia Atlanta
PHL → ATL
Philadelphia Austin
PHL → AUS
Philadelphia Bangor
PHL → BGR
Philadelphia Barcelona
PHL → BCN
Philadelphia Bermuda
PHL → BDA
Philadelphia Birmingham
PHL → BHM
Philadelphia Boston
PHL → BOS
Philadelphia Brussels
PHL → BRU
Philadelphia Buffalo
PHL → BUF
Philadelphia Burlington
PHL → BTV
Philadelphia Cancun
PHL → CUN
Philadelphia Charleston
PHL → CHS
Philadelphia Charlotte
PHL → CLT
Philadelphia Charlottesville
PHL → CHO
Philadelphia Chicago
PHL → ORD
Philadelphia Cincinnati
PHL → CVG
Philadelphia Cleveland
PHL → CLE
Philadelphia Columbia
PHL → CAE
Philadelphia Columbus
PHL → CMH
Philadelphia Dayton
PHL → DAY
Philadelphia Denver
PHL → DEN
Philadelphia Detroit
PHL → DTW
Philadelphia Doha
PHL → DOH
Philadelphia Dublin
PHL → DUB
Philadelphia El Paso
PHL → ELP
Philadelphia Elmira
PHL → ELM
Philadelphia Erie
PHL → ERI
Philadelphia Fort Lauderdale
PHL → FLL
Philadelphia Fort Myers
PHL → RSW
Philadelphia Fort Worth
PHL → DFW
Philadelphia Frankfurt
PHL → FRA
Philadelphia Glasgow
PHL → GLA
Philadelphia Grand Cayman
PHL → GCM
Philadelphia Greensboro
PHL → GSO
Philadelphia Greenville
PHL → GSP
Philadelphia Halifax International
PHL → YHZ
Philadelphia Harrisburg
PHL → MDT
Philadelphia Hartford
PHL → BDL
Philadelphia Houston
PHL → IAH
Philadelphia Indianapolis
PHL → IND
Philadelphia Ithaca
PHL → ITH
Philadelphia Jacksonville
PHL → JAX
Philadelphia Johnson City
PHL → BGM
Philadelphia Kansas City
PHL → MCI
Philadelphia Knoxville
PHL → TYS
Philadelphia Las Vegas
PHL → LAS
Philadelphia Lisbon
PHL → LIS
Philadelphia London
PHL → LHR
Philadelphia Long Island
PHL → ISP
Philadelphia Los Angeles
PHL → LAX
Philadelphia Louisville
PHL → SDF
Philadelphia Madrid
PHL → MAD
Philadelphia Manchester
PHL → MAN
Philadelphia Manchester
PHL → MHT
Philadelphia Miami
PHL → MIA
Philadelphia Milwaukee
PHL → MKE
Philadelphia Minneapolis
PHL → MSP
Philadelphia Montego Bay
PHL → MBJ
Philadelphia Montreal
PHL → YUL
Philadelphia Muenchen
PHL → MUC
Philadelphia Myrtle Beach
PHL → MYR
Philadelphia Nashville
PHL → BNA
Philadelphia Nassau
PHL → NAS
Philadelphia New Orleans
PHL → MSY
Philadelphia New York
PHL → EWR
Philadelphia Newport News
PHL → PHF
Philadelphia Norfolk
PHL → ORF
Philadelphia Oranjestad
PHL → AUA
Philadelphia Orlando
PHL → MCO
Philadelphia Ottawa
PHL → YOW
Philadelphia Paris
PHL → CDG
Philadelphia Phoenix
PHL → PHX
Philadelphia Pittsburgh International Airport
PHL → PIT
Philadelphia Portland International
PHL → PDX
Philadelphia Portland
PHL → PWM
Philadelphia Providence
PHL → PVD
Philadelphia Providenciales
PHL → PLS
Philadelphia Punta Cana
PHL → PUJ
Philadelphia Quebec
PHL → YQB
Philadelphia Raleigh
PHL → RDU
Philadelphia Richmond
PHL → RIC
Philadelphia Roanoke
PHL → ROA
Philadelphia Rochester
PHL → ROC
Philadelphia Rome
PHL → FCO
Philadelphia Salt Lake City
PHL → SLC
Philadelphia San Antonio
PHL → SAT
Philadelphia San Diego
PHL → SAN
Philadelphia San Francisco
PHL → SFO
Philadelphia San Juan
PHL → SJU
Philadelphia Santo Domingo
PHL → SDQ
Philadelphia Savannah
PHL → SAV
Philadelphia Seattle
PHL → SEA
Philadelphia St. Marteen
PHL → SXM
Philadelphia St. Thomas
PHL → STT
Philadelphia Syracuse
PHL → SYR
Philadelphia Tampa
PHL → TPA
Philadelphia Tel Aviv
PHL → TLV
Philadelphia Toronto
PHL → YYZ
Philadelphia Venice
PHL → VCE
Philadelphia Washington DC
PHL → BWI
Philadelphia West Palm Beach
PHL → PBI
Philadelphia White Plains
PHL → HPN
Philadelphia Wichita
PHL → ICT
Philadelphia Wilkes Barre
PHL → AVP
Philadelphia Williamsport
PHL → IPT
Philadelphia Wilmington
PHL → ILM
Philadelphia Zurich
PHL → ZRH
More flights from St. Louis (STL)
55 routes
St. Louis Atlanta
STL → ATL
St. Louis Boston
STL → BOS
St. Louis Burlington IA
STL → BRL
St. Louis Cancun
STL → CUN
St. Louis Cape Girardeau
STL → CGI
St. Louis Charlotte
STL → CLT
St. Louis Chicago
STL → MDW
St. Louis Cincinnati
STL → CVG
St. Louis Cleveland
STL → CLE
St. Louis Columbus
STL → CMH
St. Louis Dallas
STL → DAL
St. Louis Decatur
STL → DEC
St. Louis Denver
STL → DEN
St. Louis Detroit
STL → DTW
St. Louis Fort Lauderdale
STL → FLL
St. Louis Fort Leonard Wood
STL → TBN
St. Louis Fort Myers
STL → RSW
St. Louis Fort Worth
STL → DFW
St. Louis Grand Rapids
STL → GRR
St. Louis Houston
STL → IAH
St. Louis Houston
STL → HOU
St. Louis Jonesboro
STL → JBR
St. Louis Kansas City
STL → MCI
St. Louis Kirksville
STL → IRK
St. Louis Las Vegas
STL → LAS
St. Louis Little Rock
STL → LIT
St. Louis Los Angeles
STL → LAX
St. Louis Marion
STL → MWA
St. Louis Miami
STL → MIA
St. Louis Milwaukee
STL → MKE
St. Louis Minneapolis
STL → MSP
St. Louis Montego Bay
STL → MBJ
St. Louis Nashville
STL → BNA
St. Louis New Orleans
STL → MSY
St. Louis New York
STL → JFK
St. Louis Oklahoma City
STL → OKC
St. Louis Omaha
STL → OMA
St. Louis Orlando
STL → MCO
St. Louis Owensboro
STL → OWB
St. Louis Philadelphia
STL → PHL
St. Louis Phoenix
STL → PHX
St. Louis Pittsburgh International Airport
STL → PIT
St. Louis Puerto Vallarta
STL → PVR
St. Louis Punta Cana
STL → PUJ
St. Louis Quincy
STL → UIN
St. Louis Raleigh
STL → RDU
St. Louis Salt Lake City
STL → SLC
St. Louis San Antonio
STL → SAT
St. Louis San Diego
STL → SAN
St. Louis San Francisco
STL → SFO
St. Louis Seattle
STL → SEA
St. Louis Tampa
STL → TPA
St. Louis Toronto
STL → YYZ
St. Louis Tulsa
STL → TUL
St. Louis Washington DC
STL → DCA
❓ 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.