HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$72+ Cheap flights from Missouri to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Philadelphia

Cheapest flights from Missouri to Philadelphia
Explore the most affordable flight options available from Missouri to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Expedia deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
-
PHL
1 stop8h 15m
Frontier
Sat 4/114:11 pm
PHL
-
STL
1 stop8h 14m
Frontier
Deal found 3/9$160
This Orbitz deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:17 pm
STL
-
PHL
1 stop8h 18m
Frontier
Mon 4/2010:38 pm
PHL
-
STL
1 stop25h 41m
Frontier
Deal found 3/9$161
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
-
PHL
1 stop8h 15m
Frontier
Wed 4/158:41 pm
PHL
-
STL
1 stop23h 40m
Frontier
Deal found 3/9$171
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:24 pm
MCI
-
PHL
1 stop10h 32m
Spirit Airlines
Tue 4/76:08 pm
PHL
-
MCI
1 stop18h 21m
Spirit Airlines
Deal found 3/9$174
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
-
PHL
1 stop6h 58m
Frontier
Sat 5/24:42 pm
PHL
-
STL
1 stop7h 37m
Frontier
Deal found 3/9$181
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:02 pm
STL
-
PHL
1 stop8h 19m
Frontier
Wed 5/138:00 am
PHL
-
STL
1 stop16h 19m
Frontier
Deal found 3/9$192
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:13 pm
STL
-
PHL
1 stop10h 57m
Frontier
Mon 5/186:10 pm
PHL
-
STL
2 stops37h 40m
Frontier
Deal found 3/10$196
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:23 pm
STL
-
PHL
1 stop10h 47m
Frontier
Tue 4/2111:48 am
PHL
-
STL
1 stop12h 31m
Frontier
Deal found 3/9$202
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:23 pm
STL
-
PHL
1 stop10h 47m
Frontier
Mon 4/207:24 pm
PHL
-
STL
2 stops36h 26m
Frontier
Deal found 3/9$204
This CheapOair deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:24 pm
MCI
-
PHL
1 stop10h 32m
Multiple Airlines
Thu 4/165:05 am
PHL
-
MCI
1 stop6h 53m
Multiple Airlines
Deal found 3/12$205
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
-
PHL
1 stop10h 47m
Frontier
Sat 5/95:05 am
PHL
-
STL
2 stops15h 07m
Frontier
Deal found 3/9$206
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:51 pm
MCI
-
PHL
1 stop13h 44m
Multiple Airlines
Wed 5/610:39 am
PHL
-
MCI
1 stop22h 15m
Multiple Airlines
Deal found 3/8$210

Find flight deals from Missouri to Philadelphia

Keep the following information in mind while searching for Missouri to Philadelphia flight deals. Data was last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Expedia)

One-way from

$72
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$461

Good round-trip deal

$480 or less

Good one-way deal

$324 or less
Provider with most accurate pricing for Lambert-St Louis-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Philadelphia flights.
Search Deals
From Missouri to Philadelphia
Search Deals
One-way flight from Missouri to Philadelphia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Missouri to Philadelphia.
Search Deals
Price to beat on a one-way flight from Missouri to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Missouri to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Wed 4/8

1:40 pm-4:50 pm

Nonstop2h 10m

Philadelphia

Wed 4/15

7:30 am-11:30 am

1 stop5h 00m

$287

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Tue 4/7

10:25 am-5:50 pm

1 stop6h 25m

Philadelphia

Sat 4/11

6:15 am-7:40 am

Nonstop2h 25m

$298

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 4/9

7:55 pm-11:05 pm

Nonstop2h 10m

Philadelphia

Mon 4/13

7:10 pm-8:50 pm

Nonstop2h 40m

$299
Quickest round-trip

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 4/23

1:35 pm-4:45 pm

Nonstop2h 10m

Philadelphia

Thu 4/30

6:10 am-7:35 am

Nonstop2h 25m

$299

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Wed 8/12

8:00 am-2:08 pm

1 stop5h 08m

Philadelphia

Sat 8/15

5:15 pm-9:49 pm

1 stop5h 34m

$308

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Sat 5/16

2:51 pm-5:34 am

1 stop13h 43m

Philadelphia

Tue 5/19

7:56 pm-5:06 pm

1 stop22h 10m

$311

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Wed 7/8

5:00 am-2:10 pm

2 stops8h 10m

Philadelphia

Tue 7/14

6:00 am-10:48 am

1 stop5h 48m

$314

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Thu 5/28

5:33 am-2:51 pm

1 stop8h 18m

Philadelphia

Thu 5/28

4:22 pm-12:26 am

1 stop9h 04m

$315

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Fri 5/8

3:22 pm-10:12 pm

1 stop5h 50m

Philadelphia

Mon 5/11

6:24 pm-10:19 pm

1 stop4h 55m

$319

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Wed 4/8

6:55 pm-12:57 am

1 stop5h 02m

Philadelphia

Mon 4/13

3:42 pm-9:07 pm

1 stop6h 25m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Missouri to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Philadelphia

What is the cheapest month to book a flight from Missouri to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Missouri to Philadelphia (average of $119). Flying from Missouri to Philadelphia in June is currently the most expensive (average of $193). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to PHL?

Find hourly flight availability from Missouri to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2026.

When flying from Missouri to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight at noon.

What is the cheapest day to fly from Missouri to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Philadelphia. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Missouri to Philadelphia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Missouri?

    For a flight from Missouri to Philadelphia, you will be flying into Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How popular is this Missouri to Philadelphia flight route?

    Flights from Missouri to Philadelphia have been viewed 22 times in the past calendar month.

  • How long is the flight from Missouri to Philadelphia?

    A quick flight from Missouri to Philadelphia can take about 2h 10m. Southwest provides one of the quickest options available for as low as $287. The distance between Missouri and Philadelphia is about 811 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Philadelphia one-way?

    One-way options have recently been found by users for as low as $57 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $73 and American Airlines from $125 one-way.

  • What are the most popular routes from Missouri to Philadelphia?

    Most travelers choose Kansas City - Philadelphia, Lambert-St Louis - Philadelphia or Columbia Regional - Philadelphia when deciding on the best route from Missouri to Philadelphia.

  • What are the most reliable airlines from Missouri to Philadelphia?

    No one likes to see their flight delayed. When booking a flight from Missouri to Philadelphia consider choosing Aer Lingus (100%), Sun Country Air (100%) or PSA Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Missouri to Philadelphia?

    While on average a flight from Missouri to Philadelphia is generally $1,153, our data shows the cheapest flight currently is $175. When looking at the most popular route, (Kansas City - Philadelphia), you can expect to pay $251 for that flight.

  • Can I find deals for flights from Missouri to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Missouri to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Philadelphia.

  • Can I find deals for business class flights from Missouri to Philadelphia?

    Yes. Cheapflights offers flight deals from Missouri to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Missouri to Philadelphia (average of $119). Flying from Missouri to Philadelphia in June is currently the most expensive (average of $193). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Los Angeles to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Newark flights
Miami to John F Kennedy Intl flights
Miami to LaGuardia flights
Fort Lauderdale to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Miami to Newark flights
Los Angeles to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Orlando to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
Atlanta to LaGuardia flights
Dallas/Fort Worth to Dulles Intl flights
Fort Lauderdale to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Orlando to LaGuardia flights
Orlando to Newark flights
Seattle to Newark flights
Seattle to John F Kennedy Intl flights
O'Hare Intl to Newark flights
West Palm Beach to Newark flights
Tampa to Newark flights
Tampa to LaGuardia flights
Atlanta to Newark flights
Los Angeles to Reagan-National flights
Tampa to John F Kennedy Intl flights
Hobby to John F Kennedy Intl flights
West Palm Beach to John F Kennedy Intl flights
Hobby to LaGuardia flights
Boston to Dulles Intl flights
Atlanta to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Hobby to Newark flights
Denver to John F Kennedy Intl flights
Minneapolis to LaGuardia flights
Austin to John F Kennedy Intl flights
San Jose to John F Kennedy Intl flights
Denver to LaGuardia flights
San Jose to Newark flights
Seattle to LaGuardia flights
Raleigh to LaGuardia flights
Seattle to Reagan-National flights
Raleigh to John F Kennedy Intl flights

Top 6 airlines flying from Missouri to Philadelphia

Discover the top 6 airlines that operate flights from Missouri to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$213FlexibilityNo cancel feeOn-time65%
FrontierCheapest$119Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$235Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$240Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$275Average$434FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights