St Louis to Philadelphia (STL–PHL) — Airlines, Schedules & Connections

STL Airport Page →
812 mi airlines 60/wk
On-time Some delays Frequent delays
Flight Schedule 25 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AA1308+1
AA American
319
6:29 AM
CDT T1
9:45 AM
EDT
2h 16m
M T W T F S S
Prices
EI7231cs
EI Aer Lingus
319
6:29 AM
CDT T1
9:45 AM
EDT
2h 16m
M T W T F S S
Prices
WN4504
WN Southwest
7M8
10:15 AM
CDT T2
1:25 PM
EDT
2h 10m
M T W T F S S
Prices
AA2720
AA American
319
11:18 AM
CDT T1
2:39 PM
EDT
2h 21m
M T W T F S S
Prices
AA5332
AA American
CR9
11:19 AM
CDT T1
2:35 PM
EDT
2h 16m
M T W T F S S
Prices
AA3130+1
AA American
319
1:06 PM
CDT T1
4:25 PM
EDT
2h 19m
M T W T F S S
Prices
AA4640
AA American
E75
1:16 PM
CDT T1
4:40 PM
EDT
2h 24m
M T W T F S S
Prices
EI7508cs
EI Aer Lingus
E75
1:16 PM
CDT T1
4:40 PM
EDT
2h 24m
M T W T F S S
Prices
AA869
AA American
319
1:21 PM
CDT T1
4:40 PM
EDT
2h 19m
M T W T F S S
Prices
WN4486
WN Southwest
B38M
3:15 PM
CDT T2
6:25 PM
EDT
2h 10m
M T W T F S S
Prices
WN3727
WN Southwest
73H
3:22 PM
CDT T2
6:35 PM
EDT
2h 13m
M T W T F S S
Prices
AA2714
AA American
319
5:40 PM
CDT T1
9:09 PM
EDT
2h 29m
M T W T F S S
Prices
WN3022
WN Southwest
B38M
7:55 PM
CDT T2
11:05 PM
EDT
2h 10m
M T W T F S S
Prices
WN4952
WN Southwest
B38M
6:10 AM
EDT TE
7:35 AM
CDT
2h 25m
M T W T F S S
Prices
WN4401
WN Southwest
73H
6:20 AM
EDT TE
7:45 AM
CDT
2h 25m
M T W T F S S
Prices
AA2720
AA American
319
9:01 AM
EDT
10:37 AM
CDT
2h 36m
M T W T F S S
Prices
AA5332
AA American
CR9
9:10 AM
EDT TF
10:48 AM
CDT
2h 38m
M T W T F S S
Prices
AA3130+1
AA American
319
10:36 AM
EDT
12:18 PM
CDT
2h 42m
M T W T F S S
Prices
AA869
AA American
319
10:54 AM
EDT
12:41 PM
CDT
2h 47m
M T W T F S S
Prices
AA4640
AA American
E75
10:54 AM
EDT
12:35 PM
CDT
2h 41m
M T W T F S S
Prices
WN3725
WN Southwest
738
12:20 PM
EDT TE
1:45 PM
CDT
2h 25m
M T W T F S S
Prices
AA2714
AA American
319
3:21 PM
EDT
4:59 PM
CDT
2h 38m
M T W T F S S
Prices
AA1368
AA American
319
5:44 PM
EDT TC
7:29 PM
CDT
2h 45m
M T W T F S S
Prices
WN668
WN Southwest
7M8
7:44 PM
EDT TE
9:06 PM
CDT
2h 22m
M T W T F S S
Prices
EI7217+1
EI Aer Lingus
CR9
9:18 PM
EDT TF
11:02 PM
CDT
2h 44m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to Philadelphia
2 carriers, 60 flights/week nonstop.
2 Airlines 60 Flights/wk 812 mi 2h 10m nonstop +1h ahead 128 1-stop hubs

STL–PHL is served by 2 airlines with nonstop service. American Airlines and Southwest Airlines lead the route. The flight covers 812 miles in approximately 2h 10m. Beyond nonstop, 128 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop STL–PHL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AA American Airlines Also: EI, IB 29 319, CR9, E75 2h16-2h29 100% Oneworld EI, IB
WN Southwest Airlines 17 73H, 7M8, B38M 2h10-2h13 100%
Aircraft on this route
319 Airbus A319 – AA, EI
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
B38M Boeing 737 MAX 8 – WN
CR9 Bombardier CRJ-900 – AA
E75 Embraer E175 – AA, EI
Alliance coverage
Oneworld: AA (29 flights/wk, 63%)
Unaffiliated: WN (17 flights/wk, 37%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STL to PHL direction.
Mon
9
flights
Tue
8
flights
Wed
8
flights
Thu
9
flights
Fri
9
flights
Sat
8
flights
Sun
9
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
13
Nonstop flights
60
Outbound / wk
53
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to PHL.
1-STOP
One-Stop Connections
128
Hubs
~3h
Fastest
~36h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,272
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Other ways to reach Philadelphia from St Louis

Nearby airports with service to Philadelphia International Airport.
Metric STL→PHL COU→PHL
Distance from STL 100 mi
Nonstop airlines 2 1
Weekly flights 60
Flight time 2h 10m 2h 50m
Departure OTP 100%
Airports within 200 miles of STL with service to Philadelphia International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Philadelphia is 1 hour ahead of St Louis.
STL: CDT · PHL: EDT

When it's 6:00 PM in St Louis, it's 7:00 PM in Philadelphia.
Distance & Flight Time
812 mi / 1,306 km
Nonstop flight time is approximately 2h 10m to 2h 29m.
Getting from PHL

SEPTA Airport Line from the terminal to Center City takes 25–30 minutes ($8). Trains run every 30 minutes (5am to midnight) to 30th Street, Suburban, and Jefferson stations; all with connections to the subway and regional rail network. Buy tickets at platform machines.Taxis to Center City cost $28–35 (flat rate). Ride-shares to Center City run $22–35. For New York City, the Bolt Bus and Greyhound stop near 30th Street Station, or take NJ Transit to New York Penn Station (connecting from 30th Street). Amtrak also departs 30th Street Station for New York in 65 minutes.

Philadelphia Climate

Humid continental climate on the Delaware River. Winters (December–March) are cold (−2 to 5°C) with snow and ice. Philadelphia sits in the I-95 "snow corridor" and receives significant nor'easter snowfall several times per winter. PHL has solid de-icing capacity, but major storms cause multi-hour and multi-day disruptions.

Summers are hot and humid (28–34°C) with afternoon thunderstorms that cause frequent delays June through August. Spring and fall are transitional with variable conditions. Fog along the Delaware is occasional in fall and early winter mornings.

STL–PHL Quick Facts

Key statistics for the St Louis to Philadelphia route.
Route details
Distance812 mi / 1,306 km
Flight time2h 10m to 2h 29m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights60 out / 53 return
1-stop connections128 hubs
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: PHL
IATA / ICAOPHL / KPHL
TimezoneAmerica/New_York
Passengers/yr30.2M
Elevation36 ft / 11 m

Frequently Asked Questions

Common questions about STL to PHL flights.
Nonstop flights from St. Louis Lambert International Airport to Philadelphia International Airport take approximately 2h 10m to 2h 29m. The route covers 812 miles.
2 airlines operate nonstop service: American Airlines and Southwest Airlines. Plus 2 codeshare partners.
There are approximately 60 nonstop flights per week from STL to PHL. The return direction has about 53 weekly flights.
Yes, 1-stop connections are available through MMU, PWK, DPA, PTK, IND, TEB, DAY, OSU, GGE, AGC, BWI, LGA, SUS, YIP, BQK, LUK, CID, FOK, FRG, USA, BHM, AFW, COU, BDL, ABE, ACY, LNS, PDK, DSM, TTN, MKC, LEX, PWA, CVG, BED, MSN, SYR, AGS, GPT, ILM, RIC, JFK, SBN, APF, HOU, GRR, PBI, FXE, APA, SUA, YWG, BJC, BCT, NAS, TVC, EGE, TUL, ASE, TMB, TUS, BZN, SCF, GCM, VNY, ABQ, SJC, SBD, SJU, SBA, SNA, PSP, BUR, MRY, CUN, MYR, DTW, MDW, ORD, VPS, BNA, MSP, IAD, MKE, CLE, MSY, ATL, OMA, IAH, DAL, CLT, TPA, PIT, CMH, MCI, SAT, DEN, DFW, FLL, CHS, BOS, RDU, MCO, RSW, JAX, AUS, DCA, YYZ, MBJ, SAV, SLC, LAS, EWR, MIA, ECP, SFO, SRQ, SEA, PNS, PHX, FRA, LAX, YUL, SAN, PDX, JWN, PUJ, CMA and LHR. These options provide additional schedule flexibility.
Philadelphia is 1 hour ahead of St Louis.
Yes, return flights from PHL to STL are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include COU. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STL to PHL

St. Louis Lambert International Airport (STL) and Philadelphia International Airport (PHL) are connected by nonstop service from American Airlines and Southwest Airlines. With 60 weekly departures, this is a heavily served route.

STL to PHL Flight Duration and Schedule

Nonstop flight time from STL to PHL ranges from 2 hours 10 minutes to 2 hours 29 minutes. The route covers a distance of 812 miles (1,306 km). There are approximately 60 weekly flights outbound and 53 return, totaling 113 flights per week in both directions.

Connecting Options and Alternatives

128 one-stop connections are available, with the fastest taking approximately 3 hours via MMU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Columbia (COU).