Flight INFO & American Airlines(AA) flights from Philadelphia to St. Louis
| Cheapest one-way flight price | US$78 |
|---|---|
| Cheapest return ticket price | US$274 |
| Cheapest month | October |
| Peak season for travel | January |
| Flight distance | 1,293.47 km |
| Average flight time | 2 hours 29 minutes |
| Popular airline | American Airlines |
| Frequency | ～20/week |
Book American Airlines(AA) flights from Philadelphia to St. Louis
- One way
- Round-trip
- direct cheapest
PHL19:552h 49mNonstopSTL21:44Philadelphia - St. Louis|Sat, Sep 19|American AirlinesUS$139US$46170% offSearch70% offUS$461US$139 - PHL15:302h 35mNonstopSTL17:05Philadelphia - St. Louis|Thu, Sep 17|American AirlinesUS$139US$46170% offSearch70% offUS$461US$139
- PHL19:552h 49mNonstopSTL21:44Philadelphia - St. Louis|Wed, Sep 16|American AirlinesUS$143US$46169% offSearch69% offUS$461US$143
- PHL19:552h 49mNonstopSTL21:44Philadelphia - St. Louis|Sat, Sep 12|American AirlinesUS$146SearchUS$146
- PHL08:542h 35mNonstopSTL10:29Philadelphia - St. Louis|Sun, Sep 20|American AirlinesUS$215SearchUS$215
- PHL08:542h 35mNonstopSTL10:29Philadelphia - St. Louis|Sun, Oct 4|American AirlinesUS$255SearchUS$255
- PHL21:552h 43mNonstopSTL23:38Philadelphia - St. Louis|Thu, Oct 1|American AirlinesUS$270SearchUS$270
- PHL22:012h 33mNonstopSTL23:34Philadelphia - St. Louis|Tue, Sep 8|American AirlinesUS$295SearchUS$295
- PHL19:552h 49mNonstopSTL21:44Philadelphia - St. Louis|Wed, Sep 9|American AirlinesUS$295SearchUS$295
- PHL22:012h 33mNonstopSTL23:34Philadelphia - St. Louis|Sun, Sep 6|American AirlinesUS$319SearchUS$319
- PHL20:062h 37mNonstopSTL21:43Philadelphia - St. Louis|Fri, Sep 11|American AirlinesUS$327SearchUS$327
- PHL22:012h 33mNonstopSTL23:34Philadelphia - St. Louis|Mon, Sep 7|American AirlinesUS$327SearchUS$327
- PHL15:302h 35mNonstopSTL17:05Philadelphia - St. Louis|Thu, Sep 10|American AirlinesUS$327SearchUS$327
- PHL14:327h 12m1 stopsSTL20:44Philadelphia - St. Louis|Sat, Sep 19|American AirlinesUS$149SearchUS$149
- PHL07:007h 16m1 stopsSTL13:16Philadelphia - St. Louis|Thu, Sep 17|American AirlinesUS$149SearchUS$149
- PHL16:045h 40m1 stopsSTL20:44Philadelphia - St. Louis|Sat, Sep 12|American AirlinesUS$155SearchUS$155
- PHL10:427h 42m1 stopsSTL17:24Philadelphia - St. Louis|Wed, Sep 16|American AirlinesUS$180SearchUS$180
- PHL11:0227h 8m1 stopsSTL13:10Philadelphia - St. Louis|Sun, Sep 20|American AirlinesUS$193SearchUS$193
- PHL14:327h 12m1 stopsSTL20:44Philadelphia - St. Louis|Sun, Oct 4|American AirlinesUS$276SearchUS$276
- PHL12:047h 54m1 stopsSTL18:58Philadelphia - St. Louis|Thu, Oct 1|American AirlinesUS$279SearchUS$279
- PHL12:505h 34m1 stopsSTL17:24Philadelphia - St. Louis|Wed, Sep 9|American AirlinesUS$295SearchUS$295
- PHL05:438h 11m1 stopsSTL12:54Philadelphia - St. Louis|Sun, Sep 6|American AirlinesUS$319SearchUS$319
- PHL19:395h 48m1 stopsSTL00:27Philadelphia - St. Louis|Thu, Sep 10|American AirlinesUS$333SearchUS$333
- PHL06:004h 29m1 stopsSTL09:29Philadelphia - St. Louis|Fri, Sep 11|American AirlinesUS$334SearchUS$334
- PHL15:567h 44m1 stopsSTL22:40Philadelphia - St. Louis|Mon, Sep 7|American AirlinesUS$336SearchUS$336
- PHL06:004h 32m1 stopsSTL09:32Philadelphia - St. Louis|Tue, Sep 8|American AirlinesUS$336SearchUS$336
PHL13:004h 32mNonstopSTL14:00Philadelphia - St. Louis|Mon, Sep 6|Normal AirlineMore cheap flightsMore cheap flights
American Airlines(AA) flights from Philadelphia to St. Louis & Flight Schedule
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AA2571
American Airlines
18:41
PHL
20:21
STL
- - - W T - SSearch -
AA1739
American Airlines
08:54
PHL
10:29
STL
- - T W T F SSearch -
AA3049
American Airlines
15:28
PHL
17:01
STL
S M - - - - -Search -
AA798
American Airlines
22:01
PHL
23:34
STL
S M T - - F -Search -
AA847
American Airlines
10:30
PHL
12:23
CLT
S M T W T F SSearch -
AA3096
American Airlines
11:03
CLT
11:58
STL
S M T W T F SSearch -
AA470
American Airlines
15:20
PHL
17:01
ORD
S M T W T F SSearch -
AA2444
American Airlines
19:18
ORD
20:44
STL
- - T W T F SSearch -
AA821
American Airlines
14:32
PHL
16:10
ORD
- - T W T F SSearch -
AA2444
American Airlines
19:18
ORD
20:44
STL
- - T W T F SSearch -
AA3074
American Airlines
07:30
PHL
09:05
ORD
S M T W T F SSearch -
AA6355
American Airlines
11:29
ORD
12:54
STL
S M T W T F SSearch -
AA1416
American Airlines
10:41
PHL
12:14
BOS
S M T W T F SSearch -
AA4727
American Airlines
15:21
BOS
17:24
STL
- - T W T F SSearch -
AA2041
American Airlines
17:55
PHL
19:46
ORD
S M T W T F SSearch -
AA3069
American Airlines
23:05
ORD
00:27
STL
S M T W T F SSearch
American Airlines(AA) flights from Philadelphia to St. Louis Flight Booking FAQ
-
Which airlines offer direct flights from Philadelphia to St. Louis?
At the moment, you can catch a nonstop flight from Philadelphia to St. Louis with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
How long is a flight from Philadelphia to St. Louis?
It takes about 2 hours 29 minutes to fly from Philadelphia to St. Louis. -
When is the best time to book flights from Philadelphia to St. Louis?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to St. Louis is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How many flights are there per week from Philadelphia to St. Louis?
Based on Trip.com data in the past 4 weeks, there is 31 flight per week flying from Philadelphia to St. Louis. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/-/S -- AA2720 (11:01) American Airlines: S/M/T/W/T/F/S -- AA1368 (22:40) American Airlines: S/M/T/W/T/F/S -- AA2714 (15:22) -
When are flight tickets from Philadelphia (PHL) to St. Louis (STL) the cheapest?
The cheapest months to fly from Philadelphia to St. Louis is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Philadelphia to St. Louis on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Philadelphia to St. Louis on September 29, 2026 with Frontier Airlines, with prices starting at US$40. -
Which airports fly into St. Louis from Philadelphia?
You can land at any one of the following hubs in St. Louis: St. Louis Downtown Airport (CPS), and St. Louis Lambert International Airport (STL). Flying from Philadelphia International Airport to St. Louis Lambert International Airport (PHL-STL) is by far the most common option on this route. -
Is there any time difference between Philadelphia and St. Louis?
The time difference between St. Louis and Philadelphia is 1h. -
How do I change or cancel my ticket from Philadelphia to St. Louis?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
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