How does KAYAK find such low prices on flights from Missouri to Philadelphia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Philadelphia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Philadelphia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Philadelphia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Philadelphia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$45 CHEAP FLIGHTS from Missouri to Philadelphia

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Flight Deals

Cheap Flights from Missouri to Philadelphia

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to Philadelphia

Wed, Oct 14 - Tue, Oct 20

6:35 pm - 7:11 amSTL Lambert-St Louis-PHL Philadelphia

11h 36m1 stop Atlanta Hartsfield-Jackson

5:22 pm - 5:40 pmPHL Philadelphia-STL Lambert-St Louis

25h 18m1 stop Atlanta Hartsfield-Jackson

$86Frontier

Mon, Oct 19 - Mon, Oct 26

6:35 pm - 11:11 pmSTL Lambert-St Louis-PHL Philadelphia

27h 36m1 stop Atlanta Hartsfield-Jackson

8:30 am - 5:40 pmPHL Philadelphia-STL Lambert-St Louis

10h 10m1 stop Atlanta Hartsfield-Jackson

$99Frontier

Sat, Oct 17 - Tue, Oct 27

7:42 pm - 8:34 amSTL Lambert-St Louis-PHL Philadelphia

35h 52m2 stops Denver Intl Tampa

5:00 pm - 5:40 pmPHL Philadelphia-STL Lambert-St Louis

25h 40m1 stop Atlanta Hartsfield-Jackson

$210Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

8:43 pm - 11:50 pmMCI Kansas City-PHL Philadelphia

26h 07m1 stop Denver Intl

5:00 pm - 8:06 amPHL Philadelphia-MCI Kansas City

40h 06m2 stops Atlanta Hartsfield-Jackson Tampa

$251Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Thu, Oct 22 - Mon, Oct 26

7:50 pm - 11:15 pmSTL Lambert-St Louis-PHL Philadelphia

2h 25mnonstop

6:25 am - 7:45 amPHL Philadelphia-STL Lambert-St Louis

2h 20mnonstop

$277Southwest

Thu, Jan 7 - Mon, Jan 18

5:50 pm - 8:55 pmSTL Lambert-St Louis-PHL Philadelphia

2h 05mnonstop

6:00 am - 7:30 amPHL Philadelphia-STL Lambert-St Louis

2h 30mnonstop

$277Southwest

Sat, Dec 12 - Tue, Dec 15

10:14 am - 4:35 pmSTL Lambert-St Louis-PHL Philadelphia

5h 21m1 stop Detroit Metropolitan Wayne County

12:09 pm - 4:43 pmPHL Philadelphia-STL Lambert-St Louis

5h 34m1 stop Atlanta Hartsfield-Jackson

$297Delta

Wed, Oct 14 - Wed, Oct 21

5:27 pm - 12:56 amSGF Springfield-Branson-PHL Philadelphia

6h 29m1 stop Atlanta Hartsfield-Jackson

6:35 am - 10:53 amPHL Philadelphia-SGF Springfield-Branson

5h 18m1 stop Atlanta Hartsfield-Jackson

$349Delta

Recent last minute flight deals from Missouri to Philadelphia

Mon, Sep 28 - Wed, Oct 7

2:29 pm - 11:18 pmSTL Lambert-St Louis-PHL Philadelphia

7h 49m1 stop Atlanta Hartsfield-Jackson

8:41 am - 1:10 pmPHL Philadelphia-STL Lambert-St Louis

5h 29m1 stop Atlanta Hartsfield-Jackson

$325Frontier

Mon, Sep 28 - Wed, Oct 7

2:29 pm - 11:18 pmSTL Lambert-St Louis-PHL Philadelphia

7h 49m1 stop Atlanta Hartsfield-Jackson

8:41 am - 1:10 pmPHL Philadelphia-STL Lambert-St Louis

5h 29m1 stop Atlanta Hartsfield-Jackson

$340Frontier

Tue, Sep 29 - Tue, Oct 6

9:00 am - 7:33 pmCOU Columbia Regional-PHL Philadelphia

9h 33m1 stop Denver Intl

6:10 am - 10:39 amPHL Philadelphia-COU Columbia Regional

5h 29m1 stop Chicago O'Hare Intl

$433United Airlines

Tue, Sep 29 - Tue, Oct 6

9:00 am - 7:33 pmCOU Columbia Regional-PHL Philadelphia

9h 33m1 stop Denver Intl

3:08 pm - 10:55 pmPHL Philadelphia-COU Columbia Regional

8h 47m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$439United Airlines

Mon, Sep 28 - Fri, Oct 2

2:00 pm - 1:07 amSTL Lambert-St Louis-PHL Philadelphia

10h 07m2 stops Jonesboro Nashville Intl

8:41 am - 1:10 pmPHL Philadelphia-STL Lambert-St Louis

5h 29m1 stop Atlanta Hartsfield-Jackson

$461Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

2:29 pm - 11:18 pmSTL Lambert-St Louis-PHL Philadelphia

7h 49m1 stop Atlanta Hartsfield-Jackson

7:41 pm - 1:31 pmPHL Philadelphia-STL Lambert-St Louis

18h 50m2 stops Nashville Intl Jonesboro

$465Multiple Airlines

Mon, Sep 28 - Sat, Oct 10

6:00 am - 9:50 amMCI Kansas City-PHL Philadelphia

2h 50mnonstop

8:57 am - 11:16 amPHL Philadelphia-MCI Kansas City

3h 19mnonstop

$480American Airlines

Mon, Sep 28 - Wed, Sep 30

1:25 pm - 11:50 pmMCI Kansas City-PHL Philadelphia

9h 25m1 stop Denver Intl

6:25 am - 9:30 amPHL Philadelphia-MCI Kansas City

4h 05m1 stop Lambert-St Louis

$481Southwest

Thu, Sep 24 - Wed, Sep 30

6:55 am - 1:15 pmMCI Kansas City-PHL Philadelphia

5h 20m1 stop Nashville Intl

6:25 am - 9:30 amPHL Philadelphia-MCI Kansas City

4h 05m1 stop Lambert-St Louis

$481Southwest

Mon, Sep 28 - Sat, Oct 10

6:00 am - 9:50 amMCI Kansas City-PHL Philadelphia

2h 50mnonstop

5:43 am - 11:49 amPHL Philadelphia-MCI Kansas City

7h 06m1 stop Chicago O'Hare Intl

$490American Airlines

Recent direct flight deals from Missouri to Philadelphia

Sat, Oct 17 - Sat, Oct 24

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Thu, Oct 22 - Mon, Oct 26

7:50 pm - 11:15 pmSTL Lambert-St Louis-PHL Philadelphia

2h 25mnonstop

6:25 am - 7:45 amPHL Philadelphia-STL Lambert-St Louis

2h 20mnonstop

$277Southwest

Thu, Jan 7 - Mon, Jan 18

5:50 pm - 8:55 pmSTL Lambert-St Louis-PHL Philadelphia

2h 05mnonstop

6:00 am - 7:30 amPHL Philadelphia-STL Lambert-St Louis

2h 30mnonstop

$277Southwest

Sat, Oct 17 - Tue, Oct 27

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

1:00 pm - 2:38 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Sat, Oct 17 - Sat, Oct 24

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Wed, Oct 14 - Wed, Oct 21

6:00 am - 9:19 amSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Wed, Oct 14 - Wed, Oct 21

11:21 am - 2:40 pmSTL Lambert-St Louis-PHL Philadelphia

2h 19mnonstop

8:56 am - 10:41 amPHL Philadelphia-STL Lambert-St Louis

2h 45mnonstop

$277American Airlines

Tue, Oct 13 - Wed, Oct 21

10:59 am - 2:19 pmSTL Lambert-St Louis-PHL Philadelphia

2h 20mnonstop

3:22 pm - 5:00 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Wed, Nov 18 - Thu, Nov 26

6:02 am - 9:20 amSTL Lambert-St Louis-PHL Philadelphia

2h 18mnonstop

11:00 am - 12:51 pmPHL Philadelphia-STL Lambert-St Louis

2h 51mnonstop

$277American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$45

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from St. Louis to Philadelphia

How does KAYAK find such low prices on flights from Missouri to Philadelphia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Philadelphia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Philadelphia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Philadelphia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Philadelphia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wildwood Crest

Newark

Essington

North Wildwood

Vineland

West Chester

Elkton

Willow Grove

Pottstown

Middletown

Somers Point

Kennett Square

Voorhees

Glen Mills

Wyomissing

Blackwood

Springfield

Millville

Phoenixville

Strasburg

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Complete your trip to Philadelphia with a hotel stay or car rental

Car rentals in Philadelphia

Hotels in Philadelphia

Vacations in Philadelphia

PHL

$45 Find Cheap Flights from Missouri to Philadelphia - Compare and Save

Cheap Flights from Missouri to Philadelphia

Recent round-trip flight deals from Missouri to Philadelphia

Recent one-way flight deals from Missouri to Philadelphia

Recent last minute flight deals from Missouri to Philadelphia

Recent direct flight deals from Missouri to Philadelphia

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Cheapest flight

FAQs for booking flights from Missouri to Philadelphia

Traveling to a place near Philadelphia?

More options for your flight to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to Missouri

Find direct flights for Philadelphia

Flights from domestic origins to Philadelphia

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Find deals for your return flight