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Cheap flights from St Louis to Philadelphia

36 nonstop flights a week, 4 of them today. Operated by 2 airlines, about 2h 11m in the air, 808 mi (1,301 km). Tickets from $187, nonstop from $345.

Flights from St Louis to Philadelphia

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from St Louis to Philadelphia

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $187 16 November 2026, with a connection Cheapest nonstop $345 16 November 2026, American Airlines Cheapest in the next 7 days $187 16 November, Mon Cheapest month November 2026 tickets from $187

St Louis to Philadelphia at a glance

flight time, from 2h 5m to 2h 29m
2h 11m
straight-line distance
808 mi (1,301 km)
flights a week
36
flights today
4
first and last departure
06:02 - 19:55
lowest price, with a connection, 16 November
$187
lowest nonstop price
$345
airlines
2

St Louis to Philadelphia flight schedule

36 flights a week, 4 today, 66 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AA 4604
American Airlines
06:02 Lambert-St. Louis International, terminal 1
09:20 Philadelphia International
2h 18m
Daily
Embraer EMB 175
AA 5450
American Airlines
06:02 Lambert-St. Louis International, terminal 1
09:17 Philadelphia International, terminal F
2h 15m
Mon, Fri, Sat, Sun
Canadair Regional Jet 900
WN 3331
Southwest Airlines
10:00 Lambert-St. Louis International, terminal 2
13:10 Philadelphia International, terminal E
2h 10m
Sat
Boeing 737-800
WN 4922
Southwest Airlines
10:35 Lambert-St. Louis International, terminal 2
13:45 Philadelphia International, terminal E
2h 10m
Sat
Boeing 737
WN 4922
Southwest Airlines
10:40 Lambert-St. Louis International, terminal 2
13:50 Philadelphia International, terminal E
2h 10m
Mon, Thu, Fri, Sun
Boeing 737
WN 4922
Southwest Airlines
10:45 Lambert-St. Louis International, terminal 2
14:00 Philadelphia International, terminal E
2h 15m
Mon, Tue, Wed, Thu
Boeing 737
AA 5334
American Airlines
12:51 Lambert-St. Louis International, terminal 1
16:00 Philadelphia International, terminal F
2h 9m
Sat
Canadair Regional Jet 900
AA 4796
American Airlines
13:15 Lambert-St. Louis International, terminal 1
16:30 Philadelphia International
2h 15m
Daily
Embraer EMB 175
AA 5334
American Airlines
13:21 Lambert-St. Louis International, terminal 1
16:30 Philadelphia International, terminal F
2h 9m
Mon, Thu, Fri, Sun
Canadair Regional Jet 900
WN 4923
Southwest Airlines
17:10 Lambert-St. Louis International, terminal 2
20:20 Philadelphia International, terminal E
2h 10m
Sat
Boeing 737-800
WN 4923
Southwest Airlines
18:20 Lambert-St. Louis International, terminal 2
21:30 Philadelphia International, terminal E
2h 10m
Mon, Tue, Wed, Thu
Boeing 737
WN 4923
Southwest Airlines
19:55 Lambert-St. Louis International, terminal 2
23:05 Philadelphia International, terminal E
2h 10m
Sat

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 4922
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:25 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737-800
WN 1059
Southwest Airlines
13:00 Lambert-St. Louis International, terminal 2
16:05 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
AA 5450
American Airlines
07:45 Lambert-St. Louis International, terminal 1
11:00 Philadelphia International, terminal F
2h 15m
Seasonal
Canadair Regional Jet 900
AA 5334
American Airlines
14:01 Lambert-St. Louis International, terminal 1
17:10 Philadelphia International, terminal F
2h 9m
Seasonal
Canadair Regional Jet 900
WN 1585
Southwest Airlines
09:55 Lambert-St. Louis International, terminal 2
13:05 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
AA 5570
American Airlines
11:48 Lambert-St. Louis International, terminal 1
15:03 Philadelphia International, terminal F
2h 15m
Seasonal
Canadair Regional Jet 900
WN 3746
Southwest Airlines
15:55 Lambert-St. Louis International, terminal 2
19:00 Philadelphia International, terminal E
2h 5m
Seasonal
AA 5645
American Airlines
18:09 Lambert-St. Louis International, terminal 1
21:20 Philadelphia International, terminal F
2h 11m
Seasonal
Canadair Regional Jet 900
AA 5520
American Airlines
06:00 Lambert-St. Louis International, terminal 1
09:21 Philadelphia International, terminal F
2h 21m
Seasonal
Canadair Regional Jet 900
AA 5477
American Airlines
13:17 Lambert-St. Louis International, terminal 1
16:33 Philadelphia International, terminal F
2h 16m
Seasonal
Canadair Regional Jet 900
AA 5628
American Airlines
06:02 Lambert-St. Louis International, terminal 1
09:23 Philadelphia International, terminal F
2h 21m
Seasonal
Canadair reg jet 700
AA 5033
American Airlines
06:02 Lambert-St. Louis International, terminal 1
09:23 Philadelphia International, terminal F
2h 21m
Seasonal
Canadair reg jet 700
AA 4636
American Airlines
05:00 Lambert-St. Louis International, terminal 1
08:24 Philadelphia International
2h 24m
Seasonal
Embraer EMB 175
AA 5105
American Airlines
10:59 Lambert-St. Louis International, terminal 1
14:19 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5308
American Airlines
06:00 Lambert-St. Louis International, terminal 1
09:20 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5105
American Airlines
12:19 Lambert-St. Louis International, terminal 1
15:39 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5308
American Airlines
06:12 Lambert-St. Louis International, terminal 1
09:32 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5105
American Airlines
12:49 Lambert-St. Louis International, terminal 1
16:02 Philadelphia International, terminal F
2h 13m
Seasonal
Canadair Regional Jet 900
AA 5105
American Airlines
12:33 Lambert-St. Louis International, terminal 1
15:53 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5105
American Airlines
12:48 Lambert-St. Louis International, terminal 1
16:01 Philadelphia International, terminal F
2h 13m
Seasonal
Canadair Regional Jet 900
AA 5105
American Airlines
14:03 Lambert-St. Louis International, terminal 1
17:23 Philadelphia International, terminal F
2h 20m
Seasonal
Canadair reg jet 700
AA 5623
American Airlines
06:00 Lambert-St. Louis International, terminal 1
09:17 Philadelphia International, terminal F
2h 17m
Seasonal
Canadair Regional Jet 900
WN 4683
Southwest Airlines
10:35 Lambert-St. Louis International, terminal 2
13:40 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737-800
AA 5483
American Airlines
12:55 Lambert-St. Louis International, terminal 1
16:09 Philadelphia International, terminal F
2h 14m
Seasonal
Canadair Regional Jet 900
WN 3832
Southwest Airlines
17:50 Lambert-St. Louis International, terminal 2
20:55 Philadelphia International, terminal E
2h 5m
Seasonal
AA 5483
American Airlines
13:05 Lambert-St. Louis International, terminal 1
16:19 Philadelphia International, terminal F
2h 14m
Seasonal
Canadair Regional Jet 900
WN 4683
Southwest Airlines
10:40 Lambert-St. Louis International, terminal 2
13:45 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 4683
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:20 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 3832
Southwest Airlines
18:45 Lambert-St. Louis International, terminal 2
21:50 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
AA 2909
American Airlines
06:04 Lambert-St. Louis International, terminal 1
09:16 Philadelphia International
2h 12m
Seasonal
Airbus A319
WN 2602
Southwest Airlines
10:20 Lambert-St. Louis International, terminal 2
13:25 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
AA 5623
American Airlines
12:59 Lambert-St. Louis International, terminal 1
16:15 Philadelphia International, terminal F
2h 16m
Seasonal
Canadair Regional Jet 900
WN 2660
Southwest Airlines
19:55 Lambert-St. Louis International, terminal 2
23:00 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 1229
Southwest Airlines
10:05 Lambert-St. Louis International, terminal 2
13:10 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
AA 2778
American Airlines
06:04 Lambert-St. Louis International, terminal 1
09:16 Philadelphia International
2h 12m
Seasonal
Airbus A319
WN 4240
Southwest Airlines
14:10 Lambert-St. Louis International, terminal 2
17:15 Philadelphia International, terminal E
2h 5m
Seasonal
WN 136
Southwest Airlines
19:40 Lambert-St. Louis International, terminal 2
22:45 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 136
Southwest Airlines
19:25 Lambert-St. Louis International, terminal 2
22:30 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 4240
Southwest Airlines
13:40 Lambert-St. Louis International, terminal 2
16:45 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737-800
WN 296
Southwest Airlines
19:45 Lambert-St. Louis International, terminal 2
22:50 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 4240
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:20 Philadelphia International, terminal E
2h 5m
Seasonal
WN 199
Southwest Airlines
18:45 Lambert-St. Louis International, terminal 2
21:50 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
AA 2851
American Airlines
06:04 Lambert-St. Louis International, terminal 1
09:16 Philadelphia International
2h 12m
Seasonal
Airbus A319
AA 1308
American Airlines
06:00 Lambert-St. Louis International, terminal 1
09:19 Philadelphia International
2h 19m
Seasonal
Airbus A319
WN 814
Southwest Airlines
13:15 Lambert-St. Louis International, terminal 2
16:25 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737-800
AA 3130
American Airlines
13:29 Lambert-St. Louis International, terminal 1
16:49 Philadelphia International
2h 20m
Seasonal
Airbus A319
WN 290
Southwest Airlines
17:50 Lambert-St. Louis International, terminal 2
21:00 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
WN 814
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:20 Philadelphia International, terminal E
2h 5m
Seasonal
Boeing 737
WN 290
Southwest Airlines
19:40 Lambert-St. Louis International, terminal 2
22:50 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737-800
WN 290
Southwest Airlines
18:15 Lambert-St. Louis International, terminal 2
21:25 Philadelphia International, terminal E
2h 10m
Seasonal
WN 814
Southwest Airlines
11:35 Lambert-St. Louis International, terminal 2
14:45 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737-800
WN 4169
Southwest Airlines
14:50 Lambert-St. Louis International, terminal 2
18:00 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
WN 290
Southwest Airlines
19:45 Lambert-St. Louis International, terminal 2
22:55 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737-800
AA 1308
American Airlines
06:16 Lambert-St. Louis International, terminal 1
09:39 Philadelphia International
2h 23m
Seasonal
Airbus A319
AA 1981
American Airlines
11:18 Lambert-St. Louis International, terminal 1
14:39 Philadelphia International
2h 21m
Seasonal
Airbus A319
AA 2196
American Airlines
17:46 Lambert-St. Louis International, terminal 1
21:15 Philadelphia International
2h 29m
Seasonal
Airbus A319
WN 3949
Southwest Airlines
10:00 Lambert-St. Louis International, terminal 2
13:10 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
WN 829
Southwest Airlines
19:10 Lambert-St. Louis International, terminal 2
22:20 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
WN 4155
Southwest Airlines
15:30 Lambert-St. Louis International, terminal 2
18:45 Philadelphia International, terminal E
2h 15m
Seasonal
Boeing 737
WN 4217
Southwest Airlines
14:00 Lambert-St. Louis International, terminal 2
17:10 Philadelphia International, terminal E
2h 10m
Seasonal
Boeing 737
AA 1308
American Airlines
06:06 Lambert-St. Louis International, terminal 1
09:26 Philadelphia International
2h 20m
Seasonal
Airbus A319
AA 2352
American Airlines
11:18 Lambert-St. Louis International, terminal 1
14:37 Philadelphia International
2h 19m
Seasonal
Airbus A319
AA 2196
American Airlines
17:48 Lambert-St. Louis International, terminal 1
21:10 Philadelphia International
2h 22m
Seasonal
Airbus A319
AA 4429
American Airlines
06:00 Lambert-St. Louis International, terminal 1
09:26 Philadelphia International
2h 26m
Seasonal
Embraer EMB 175
AA 5082
American Airlines
11:22 Lambert-St. Louis International, terminal 1
14:39 Philadelphia International, terminal F
2h 17m
Seasonal
Canadair Regional Jet 900
AA 4411
American Airlines
17:42 Lambert-St. Louis International, terminal 1
21:10 Philadelphia International
2h 28m
Seasonal
Embraer EMB 175

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Philadelphia is 1 hour ahead of St Louis. The search shows seat availability and the price for your date.

Airlines flying St Louis to Philadelphia

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

American Airlines23 a week Southwest Airlines13 a week

Airports

Where flights from St Louis to Philadelphia depart and land

Departure from St Louis

Lambert-St. Louis International STL

36 flights a week, terminals 1, 2, 12 mi (19 km) from the city centre

About the airport

Arrival in Philadelphia

Philadelphia International PHL

36 flights a week, terminals E, F, 7 mi (11 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from St Louis to Philadelphia?
A nonstop flight takes 2 hours 11 minutes on average, from 2h 5m to 2h 29m depending on the flight.
How far is Philadelphia from St Louis?
808 mi (1,301 km) in a straight line between the cities.
Which airlines fly nonstop from St Louis to Philadelphia?
American Airlines (23 a week) and Southwest Airlines (13 a week).
How many flights a day are there from St Louis to Philadelphia?
4 flights today and 36 a week, about 5.1 a day on average.
When are the first and last flights from St Louis to Philadelphia?
The first departure is at 06:02 (AA4604), the last at 19:55 (WN4923). Local time.
What is the cheapest upcoming date to fly from St Louis to Philadelphia?
16 November 2026 (Monday): from $187 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from St Louis to Philadelphia?
American Airlines: nonstop tickets from $345 on 16 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between St Louis and Philadelphia?
Philadelphia is 1 hour ahead of St Louis. Schedule times on this page are local to each airport.
Which St Louis airport do flights to Philadelphia leave from?
Lambert-St. Louis International (36 a week).