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Did you mean flights from Philadelphia to St Louis?

Cheap Flights from St Louis to Philadelphia, PA, United States - STL to PHL Last modified: Jun 29, 2016 1:43 AM

Popular flights from St Louis to Philadelphia Last modified: Jun 29, 2016 1:43 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American
STLPHL
Tue 8/23
nonstop
PHLSTL
Thu 8/25
nonstop
$331
Select
American
STLPHL
Thu 8/25
nonstop
PHLSTL
Tue 8/30
nonstop
$331
Select
American
STLPHL
Sat 8/27
nonstop
PHLSTL
Mon 8/29
nonstop
$331
Select
American
STLPHL
Thu 9/1
nonstop
PHLSTL
Sun 9/4
nonstop
$331
Select
American
STLPHL
Tue 9/6
nonstop
PHLSTL
Mon 9/12
nonstop
$331
Select
United
STLPHL
Thu 8/25
1 stop
PHLSTL
Mon 9/5
1 stop
$339
Select
United
STLPHL
Sat 8/27
1 stop
PHLSTL
Mon 8/29
1 stop
$339
Select
United
STLPHL
Tue 9/6
1 stop
PHLSTL
Mon 9/12
1 stop
$339
Select
United
STLPHL
Thu 9/8
1 stop
PHLSTL
Mon 9/12
1 stop
$339
Select
United
STLPHL
Mon 9/12
1 stop
PHLSTL
Mon 9/19
1 stop
$339
Select
Alaska
STLPHL
Tue 7/26
nonstop
PHLSTL
Tue 8/2
nonstop
$371
Select
Alaska
STLPHL
Wed 7/27
nonstop
PHLSTL
Tue 8/2
nonstop
$371
Select
Alaska
STLPHL
Tue 8/9
nonstop
PHLSTL
Fri 8/26
nonstop
$371
Select
Alaska
STLPHL
Wed 8/10
nonstop
PHLSTL
Wed 8/17
nonstop
$371
Select
Alaska
STLPHL
Thu 8/18
nonstop
PHLSTL
Sat 8/20
nonstop
$371
Select

How Much Does it Cost to Fly from St Louis to Philadelphia (STL to PHL)?

We have collected flight cost data from across the web for travel from St Louis to Philadelphia, and have found the average flight price for this trip to be $343.

When Can I Buy the Cheapest Flight from St Louis to Philadelphia (STL to PHL)?

Airlines can adjust prices for plane tickets from St Louis to Philadelphia based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from St Louis to Philadelphia

The chart below shows up-to-date information regarding how far in advance a flight from St Louis to Philadelphia should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $594 $514
7-14 days $512 $457
14-21 days $429 $389
21-30 days $371 $378
30-60 days $331 $338
60-90 days $331 $338
90+ days $331 $324

Cheapest Day To Fly from St Louis to Philadelphia

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Philadelphia.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$331 $331 $359 $331 $366 $331 $351

Cheapest Weekend Non-Stop Flights for the Next 30 Days from St Louis to Philadelphia

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from St Louis to Philadelphia.

Next 30 Days

SunMonTueWedThuFriSat
26 27 28 29 30 1 2
$648
3 4 5 6 7 8 9
$648 $512
10 11 12 13 14 15 16
$512 $429
17 18 19 20 21 22 23
$429 $381
24 25 26 27 28 29 30
$381 $391
31 1 2 3 4 5 6
$391
TIPSave $221 by flying into New York instead of Philadelphia from St Louis

Non-Stop vs Connecting Flights from St Louis to Philadelphia (STL to PHL)

Your St Louis to Philadelphia flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Philadelphia is $380.

The average price for non-stop flights from St Louis to Philadelphia is $351.

The chart below shows up to date information regarding non-stop flights from St Louis to Philadelphia.

Nonstop Flight Details from St Louis to Philadelphia
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 5 5 5 5 5 3 4 07:10 16:25

Round Trip vs One Way Flights from St Louis to Philadelphia (STL to PHL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Philadelphia. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Philadelphia is $175.

The average price for round trip flights from St Louis to Philadelphia is $347.

St Louis to Philadelphia Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from St Louis to Philadelphia?
Answer: The average St Louis to Philadelphia flight time is 2 hours and 15 minutes.
Question: How many miles are there between St Louis and Philadelphia?
Answer: The distance from St Louis to Philadelphia is 811 miles.
Question: How common are direct flights from St Louis to Philadelphia?
Answer: There are 32 direct flights from St Louis to Philadelphia.
Question: What is the most popular airline for non-stop flights from St Louis to Philadelphia?
Answer: American Airlines provides 100% of the non-stop flights between St Louis and Philadelphia.

Airports for Your Route

These pages contain information about the major airports in St Louis and Philadelphia, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to New York American, Alaska, United $199
St Louis to Newark American, Alaska, United $199
St Louis to Washington American, Alaska, United $203
St Louis to Baltimore American, Alaska, United $217
St Louis to Atlantic CityCheck Dates
St Louis to Chicago American, Alaska, United $219
St Louis to Atlanta American, Alaska, Frontier, United $107
St Louis to Allentown - Bethlehem - Easton American, United $302
St Louis to Boston American, Alaska, United $318
St Louis to Harrisburg American, Alaska, United $363

Cheap Domestic Flights to Philadelphia - PHL

FlightsAirlineLowest Price
Moline to Philadelphia American, United $250
Springfield to Philadelphia American, United $369
Evansville to Philadelphia American, United $349
Peoria to Philadelphia American, United $204
Bloomington - Normal to Philadelphia American $304
Champaign to Philadelphia American $265
Springfield to Philadelphia American, United $204
Evansville to New York American, United $369
Springfield to New York American, United $369
Bloomington - Normal to Newark American $293
Moline to Newark American, United $287
Springfield to Newark American, United $369
Springfield to Baltimore American, Alaska, United $384
Moline to Baltimore American, United $214
Peoria to Newark American, United $327
Peoria to Baltimore American, United $220
Bloomington - Normal to New York American $246
Evansville to Newark American, United $369
Moline to New York American, Alaska, United $234
Springfield to Washington American, United $326
Cheap Flights from St Louis to Philadelphia, PA, United States, from $331 Round trip from STL to PHL