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.

$40 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 7 - Wed, Oct 14

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

7h 49m1 stop Atlanta Hartsfield-Jackson

12:35 pm - 5:40 pmPHL Philadelphia-STL Lambert-St Louis

6h 05m1 stop Atlanta Hartsfield-Jackson

$83Frontier

Wed, Sep 30 - 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

$84Frontier

Tue, Sep 22 - Tue, Sep 22

6:25 am - 1:10 pmMCI Kansas City-PHL Philadelphia

5h 45m1 stop Dallas Love Field

6:40 pm - 10:40 pmPHL Philadelphia-MCI Kansas City

5h 00m1 stop Nashville Intl

$177Southwest

Fri, Sep 25 - Fri, Oct 2

7:45 pm - 9:55 amMCI Kansas City-PHL Philadelphia

13h 10m1 stop Orlando

8:15 pm - 11:55 pmPHL Philadelphia-MCI Kansas City

4h 40m1 stop Nashville Intl

$182Southwest

Sat, Sep 26 - Wed, Sep 30

8:10 pm - 5:20 pmSTL Lambert-St Louis-PHL Philadelphia

20h 10m2 stops Denver Intl Des Moines

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

5h 29m1 stop Atlanta Hartsfield-Jackson

$229Multiple Airlines

Wed, Oct 21 - Mon, Nov 2

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

11h 36m1 stop Atlanta Hartsfield-Jackson

2:58 pm - 1:21 pmPHL Philadelphia-STL Lambert-St Louis

23h 23m2 stops Nashville Intl Jonesboro

$230Multiple Airlines

Tue, Sep 22 - Sat, Sep 26

1:25 pm - 4:48 pmSTL Lambert-St Louis-PHL Philadelphia

2h 23mnonstop

7:55 pm - 9:44 pmPHL Philadelphia-STL Lambert-St Louis

2h 49mnonstop

$277American Airlines

Wed, Feb 3 - Sat, Feb 6

6:00 am - 9:22 amSTL Lambert-St Louis-PHL Philadelphia

2h 22mnonstop

8:47 pm - 10:44 pmPHL Philadelphia-STL Lambert-St Louis

2h 57mnonstop

$277American Airlines

Wed, Nov 18 - Sat, Nov 21

3:00 pm - 11:12 pmCOU Columbia Regional-PHL Philadelphia

7h 12m1 stop Chicago O'Hare Intl

6:46 pm - 10:58 pmPHL Philadelphia-COU Columbia Regional

5h 12m1 stop Chicago O'Hare Intl

$318United Airlines

Sat, Oct 10 - Fri, Oct 16

11:19 am - 7:24 pmCOU Columbia Regional-PHL Philadelphia

7h 05m1 stop Chicago O'Hare Intl

6:55 pm - 10:55 pmPHL Philadelphia-COU Columbia Regional

5h 00m1 stop Chicago O'Hare Intl

$318United Airlines

Recent last minute flight deals from Missouri to Philadelphia

Wed, Sep 2 - Wed, Sep 16

6:45 pm - 6:30 amSTL Lambert-St Louis-PHL Philadelphia

10h 45m1 stop Las Vegas Harry Reid Intl

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

5h 29m1 stop Atlanta Hartsfield-Jackson

$271Frontier

Fri, Sep 4 - Wed, Oct 7

4:23 pm - 1:39 pmSTL Lambert-St Louis-PHL Philadelphia

20h 16m1 stop Orlando

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

5h 29m1 stop Atlanta Hartsfield-Jackson

$289Frontier

Sun, Sep 6 - Tue, Sep 8

10:45 am - 2:34 pmMCI Kansas City-PHL Philadelphia

2h 49mnonstop

9:12 pm - 11:19 pmPHL Philadelphia-MCI Kansas City

3h 07mnonstop

$428American Airlines

Sun, Sep 6 - Tue, Sep 8

10:45 am - 2:34 pmMCI Kansas City-PHL Philadelphia

2h 49mnonstop

7:37 pm - 12:35 amPHL Philadelphia-MCI Kansas City

5h 58m1 stop Chicago O'Hare Intl

$438American Airlines

Sat, Sep 5 - Tue, Sep 8

9:00 am - 5:39 pmMCI Kansas City-PHL Philadelphia

7h 39m1 stop Atlanta Hartsfield-Jackson

5:45 am - 11:29 amPHL Philadelphia-MCI Kansas City

6h 44m1 stop Minneapolis St Paul

$448Delta

Wed, Sep 2 - Wed, Sep 9

4:45 pm - 9:50 pmMCI Kansas City-PHL Philadelphia

4h 05m1 stop Lambert-St Louis

1:55 pm - 9:10 pmPHL Philadelphia-MCI Kansas City

8h 15m1 stop Orlando

$448Southwest

Wed, Sep 2 - Wed, Sep 9

2:00 pm - 8:55 pmMCI Kansas City-PHL Philadelphia

5h 55m1 stop Chicago Midway

3:05 pm - 10:40 pmPHL Philadelphia-MCI Kansas City

8h 35m2 stops Chicago Midway Nashville Intl

$453Southwest

Sat, Sep 5 - Sat, Sep 12

7:00 am - 2:42 pmSTL Lambert-St Louis-PHL Philadelphia

6h 42m1 stop Atlanta Hartsfield-Jackson

8:50 am - 12:32 pmPHL Philadelphia-STL Lambert-St Louis

4h 42m1 stop Atlanta Hartsfield-Jackson

$479Delta

Sat, Sep 5 - Mon, Sep 7

3:05 pm - 10:31 pmSGF Springfield-Branson-PHL Philadelphia

6h 26m1 stop Houston George Bush Intcntl

6:25 am - 10:48 amPHL Philadelphia-SGF Springfield-Branson

5h 23m1 stop Chicago O'Hare Intl

$479United Airlines

Sat, Sep 5 - Mon, Sep 7

1:37 pm - 12:59 amSGF Springfield-Branson-PHL Philadelphia

10h 22m2 stops Denver Intl Chicago O'Hare Intl

6:25 am - 10:48 amPHL Philadelphia-SGF Springfield-Branson

5h 23m1 stop Chicago O'Hare Intl

$484United Airlines

Recent direct flight deals from Missouri to Philadelphia

Tue, Sep 22 - Sat, Sep 26

1:25 pm - 4:48 pmSTL Lambert-St Louis-PHL Philadelphia

2h 23mnonstop

7:55 pm - 9:44 pmPHL Philadelphia-STL Lambert-St Louis

2h 49mnonstop

$277American Airlines

Thu, Sep 24 - Thu, Oct 1

6:30 am - 9:50 amSTL Lambert-St Louis-PHL Philadelphia

2h 20mnonstop

8:54 am - 10:29 amPHL Philadelphia-STL Lambert-St Louis

2h 35mnonstop

$277American Airlines

Sat, Oct 10 - Mon, Oct 12

4:55 pm - 8:05 pmSTL Lambert-St Louis-PHL Philadelphia

2h 10mnonstop

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

2h 20mnonstop

$277Southwest

Thu, Dec 3 - Mon, Dec 7

10:45 am - 2:00 pmSTL Lambert-St Louis-PHL Philadelphia

2h 15mnonstop

6:15 pm - 7:45 pmPHL Philadelphia-STL Lambert-St Louis

2h 30mnonstop

$277Southwest

Wed, Feb 3 - Sat, Feb 6

6:00 am - 9:22 amSTL Lambert-St Louis-PHL Philadelphia

2h 22mnonstop

8:47 pm - 10:44 pmPHL Philadelphia-STL Lambert-St Louis

2h 57mnonstop

$277American Airlines

Wed, Oct 7 - Wed, Oct 14

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

2h 19mnonstop

8:36 pm - 10:14 pmPHL Philadelphia-STL Lambert-St Louis

2h 38mnonstop

$277American Airlines

Thu, Dec 10 - Mon, Dec 14

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

2h 18mnonstop

10:55 am - 12:43 pmPHL Philadelphia-STL Lambert-St Louis

2h 48mnonstop

$277American Airlines

Wed, Oct 7 - Wed, Oct 14

5:40 pm - 9:00 pmSTL Lambert-St Louis-PHL Philadelphia

2h 20mnonstop

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

2h 38mnonstop

$277American Airlines

Mon, Sep 28 - Wed, Oct 7

5:45 pm - 9:07 pmSTL Lambert-St Louis-PHL Philadelphia

2h 22mnonstop

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

2h 38mnonstop

$277American Airlines

Thu, Sep 17 - Mon, Sep 21

6:30 am - 9:50 amSTL Lambert-St Louis-PHL Philadelphia

2h 20mnonstop

8:06 pm - 9:43 pmPHL Philadelphia-STL Lambert-St Louis

2h 37mnonstop

$277American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$40

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 10% 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

Somers Point

Voorhees

Middletown

Kennett Square

Glen Mills

Wyomissing

Blackwood

Springfield

Millville

Phoenixville

Strasburg

Everything you need to know for your flight to Philadelphia

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Complete your trip

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Return flight deals

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

PHL

$40 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

Good to know

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High season

Cheapest flight

FAQs for booking flights from Missouri to Philadelphia

Traveling to a place near Philadelphia?

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to Missouri

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

Find direct flights for Philadelphia

Flights to other popular destinations

Flights from domestic origins to Philadelphia

Choose which airport to fly into in Philadelphia

Find deals for your return flight