HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$69+ Cheap flights from Philadelphia (PHL) to Missouri

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Missouri 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 Philadelphia to Missouri

Keep the following information in mind while searching for Philadelphia to Missouri flight deals. Data was last updated September 11, 2025.

Round-trip from

$214
(Kiwi.com)

One-way from

$69
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$387

Good round-trip deal

$265 or less

Good one-way deal

$149 or less
From Philadelphia to Missouri
Search Deals
One-way flight from Philadelphia to Missouri
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Missouri.
Search Deals
Price to beat on a one-way flight from Philadelphia to Missouri.
Search Deals

Find flight deals from Philadelphia to Missouri

Cheapest flights from Philadelphia to Missouri
Explore the most affordable flight options available from Philadelphia to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/9. 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.
Sat 11/86:26 pmPHL - STL
1 stop16h 46mFrontier
Sun 11/97:02 pmSTL - PHL
2 stops28h 57mFrontier
Deal found 9/9$218
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Thu 10/236:37 pmPHL - STL
1 stop16h 39mFrontier
Sun 10/2611:32 amSTL - PHL
1 stop12h 27mFrontier
Deal found 9/11$219
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/236:42 amPHL - STL
1 stop27h 25mMultiple Airlines
Sun 10/2610:57 amSTL - PHL
1 stop21h 35mMultiple Airlines
Deal found 9/10$220
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:33 amPHL - STL
1 stop13h 37mSpirit Airlines
Sun 10/1910:57 amSTL - PHL
1 stop12h 02mSpirit Airlines
Deal found 9/9$222
This Frontier deal was found by Cheapflights users on 9/11. 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 9/255:15 amPHL - STL
1 stop10h 49mFrontier
Mon 9/291:57 pmSTL - PHL
2 stops10h 00mFrontier
Deal found 9/11$223
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:24 pmPHL - STL
2 stops22h 37mFrontier
Mon 11/177:45 pmSTL - PHL
2 stops19h 05mFrontier
Deal found 9/10$225
This Frontier deal was found by Cheapflights users on 9/11. 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.
Fri 10/312:30 pmPHL - STL
1 stop9h 07mFrontier
Mon 10/67:55 pmSTL - PHL
2 stops17h 22mFrontier
Deal found 9/11$226
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 12/56:00 amPHL - STL
1 stop29h 02mFrontier
Mon 12/85:11 pmSTL - PHL
1 stop17h 16mFrontier
Deal found 9/10$229
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Fri 11/76:19 amPHL - STL
1 stop27h 48mFrontier
Sun 11/912:10 pmSTL - PHL
1 stop8h 28mFrontier
Deal found 9/11$230
This Frontier deal was found by Cheapflights users on 9/9. 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.
Mon 10/612:43 pmPHL - STL
1 stop8h 54mFrontier
Wed 10/87:52 pmSTL - PHL
1 stop8h 27mFrontier
Deal found 9/9$231
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amPHL - SGF
1 stop7h 50mDelta
Sat 11/13:23 pmSGF - PHL
1 stop5h 50mDelta
Deal found 9/11$251
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:20 amPHL - SGF
1 stop6h 18mAmerican Airlines
Sat 11/14:05 pmSGF - PHL
1 stop6h 41mAmerican Airlines
Deal found 9/11$255

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Missouri 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Missouri that are best for you.

Fly from

Philadelphia

Fly to

Missouri

Route

Depart

Return

Price

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 11/13

6:24 pm-4:01 pm

2 stops22h 37m

Lambert-St Louis

Mon 11/17

7:45 pm-3:50 pm

2 stops19h 05m

$225

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Fri 11/7

6:19 am-9:07 am

1 stop27h 48m

Lambert-St Louis

Sun 11/9

12:10 pm-9:38 pm

1 stop8h 28m

$230

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 10/23

6:54 pm-10:16 am

2 stops16h 22m

Lambert-St Louis

Mon 10/27

6:05 pm-9:41 am

2 stops14h 36m

$237

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 10/2

4:00 pm-11:49 pm

1 stop8h 49m

Lambert-St Louis

Tue 10/7

8:42 am-5:54 pm

1 stop8h 12m

$239

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 12/18

7:00 am-4:49 pm

1 stop10h 49m

Lambert-St Louis

Sat 1/24

2:48 pm-12:32 am

1 stop8h 44m

$241

PhiladelphiaSpringfield

PHL - SGF

PHLSGF

Philadelphia

Wed 10/29

8:00 am-2:50 pm

1 stop7h 50m

Springfield-Branson

Sat 11/1

3:23 pm-10:13 pm

1 stop5h 50m

$251

PhiladelphiaSpringfield

PHL - SGF

PHLSGF

Philadelphia

Thu 10/30

6:20 am-11:38 am

1 stop6h 18m

Springfield-Branson

Sat 11/1

4:05 pm-11:46 pm

1 stop6h 41m

$255

PhiladelphiaSpringfield

PHL - SGF

PHLSGF

Philadelphia

Sat 11/22

1:50 pm-6:03 pm

1 stop5h 13m

Springfield-Branson

Tue 11/25

6:34 pm-12:10 am

1 stop4h 36m

$270

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Thu 12/18

1:40 pm-3:10 pm

Nonstop2h 30m

Lambert-St Louis

Sat 1/24

8:55 am-12:05 pm

Nonstop2h 10m

$272

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Fri 10/24

11:43 am-6:36 pm

2 stops7h 53m

Lambert-St Louis

Sun 10/26

10:57 am-9:32 am

1 stop21h 35m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Philadelphia to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Philadelphia 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 Philadelphia to Missouri

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

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Missouri (average of $311). Flying from Philadelphia to Missouri in March is currently the most expensive (average of $356). 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 PHL to MO?

Find hourly flight availability from Philadelphia to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Missouri as you normally would.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Philadelphia to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Missouri. 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 from for flights from Philadelphia to Missouri?

    If you book a flight to Missouri from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How popular is this Philadelphia to Missouri flight route?

    Within the past month, 36 users have taken a look at flights from Philadelphia to Missouri.

  • How long is the flight from Philadelphia to Missouri?

    Airlines like Frontier, American Airlines, and Delta fly from Philadelphia to Missouri in about 7h 50m. The time it takes to get you to your destination can typically vary by up to 14h 47m. Philadelphia and Missouri are separated by a distance of 995 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 Philadelphia to Missouri one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Missouri are Frontier ($83), Southwest ($93), and Spirit Airlines ($93).

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

    The most popular route from Philadelphia to Missouri is Philadelphia - Kansas City. You may also consider Philadelphia - Lambert-St Louis or Philadelphia - Springfield-Branson.

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

    The top 3 most reliable airlines when flying from Philadelphia to Missouri are Republic Airways (100%), Southwest (72%) and American Airlines (70%).

  • What are the cheapest flights from Philadelphia to Missouri?

    Looking for the cheapest flight from Philadelphia to Missouri? While on average our users pay $306, our data indicates the cheapest price to be $84. The most popular route (Philadelphia - Kansas City), is priced around $178.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Missouri 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 Philadelphia to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Missouri (average of $311). Flying from Philadelphia to Missouri in March is currently the most expensive (average of $356). 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

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 Philadelphia to Missouri

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

Top 6 airlines flying from Philadelphia to Missouri

Discover the top 6 airlines that operate flights from Philadelphia to Missouri. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$219FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$504FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$459FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$430FlexibilityNo 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.