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Philadelphia

$60+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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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 January 28, 2026.

This CheapOair deal was found by Cheapflights users on 1/27. 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 2/254:24 pm
MCI
-
PHL
1 stop5h 52m
Spirit Airlines
Wed 3/45:30 am
PHL
-
MCI
1 stop10h 59m
Spirit Airlines
Deal found 1/27$125
This Expedia deal was found by Cheapflights users on 1/27. 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.
Tue 2/243:49 pm
STL
-
PHL
1 stop19h 33m
Frontier
Tue 3/311:03 am
PHL
-
STL
1 stop12h 24m
Frontier
Deal found 1/27$128
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/278:22 pm
STL
-
PHL
1 stop13h 51m
Multiple Airlines
Mon 3/27:46 pm
PHL
-
STL
1 stop27h 41m
Multiple Airlines
Deal found 1/26$134
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/253:49 pm
STL
-
PHL
1 stop18h 52m
Frontier
Mon 3/28:23 pm
PHL
-
STL
1 stop27h 04m
Frontier
Deal found 1/27$136
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/233:49 pm
STL
-
PHL
1 stop19h 50m
Multiple Airlines
Tue 2/247:46 pm
PHL
-
STL
1 stop27h 41m
Multiple Airlines
Deal found 1/27$140
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/2310:55 am
MCI
-
PHL
1 stop13h 06m
Multiple Airlines
Wed 2/257:59 pm
PHL
-
MCI
1 stop15h 31m
Multiple Airlines
Deal found 1/25$143
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/273:49 pm
STL
-
PHL
1 stop16h 17m
Multiple Airlines
Tue 3/38:06 am
PHL
-
STL
2 stops15h 21m
Multiple Airlines
Deal found 1/27$147
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/188:17 pm
STL
-
PHL
1 stop14h 01m
Frontier
Thu 2/197:12 pm
PHL
-
STL
1 stop12h 39m
Frontier
Deal found 1/27$151
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/68:22 pm
STL
-
PHL
1 stop13h 56m
Frontier
Sun 2/87:06 pm
PHL
-
STL
1 stop12h 45m
Frontier
Deal found 1/27$156
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 2/35:42 pm
STL
-
PHL
1 stop15h 55m
Frontier
Thu 2/57:04 pm
PHL
-
STL
1 stop12h 47m
Frontier
Deal found 1/26$160
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/243:49 pm
STL
-
PHL
1 stop26h 02m
Multiple Airlines
Tue 3/37:59 pm
PHL
-
STL
2 stops27h 28m
Multiple Airlines
Deal found 1/27$164
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/61:09 pm
STL
-
PHL
1 stop10h 43m
Frontier
Tue 3/107:00 pm
PHL
-
STL
1 stop16h 37m
Frontier
Deal found 1/27$166

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$125
(CheapOair)

One-way from

$60
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$422

Good round-trip deal

$454 or less

Good one-way deal

$304 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 ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 28, 2026.
Use the filters below to find and compare flights from Missouri to Philadelphia that are best for you.

Fly from

Missouri

Fly to

Philadelphia

Route

Depart

Return

Price

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 2/23

10:55 am-1:01 am

1 stop13h 06m

Philadelphia

Wed 2/25

7:59 pm-10:30 am

1 stop15h 31m

$143

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 4/16

8:12 pm-5:34 am

1 stop8h 22m

Philadelphia

Sun 4/19

10:38 pm-11:19 pm

1 stop25h 41m

$195

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 2/26

10:11 pm-6:11 pm

2 stops19h 00m

Philadelphia

Mon 3/2

6:18 pm-10:27 pm

1 stop29h 09m

$202

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 2/13

8:20 pm-11:18 am

1 stop13h 58m

Philadelphia

Sun 2/15

5:30 am-6:51 am

1 stop26h 21m

$213

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Mon 4/13

8:16 pm-10:38 am

2 stops13h 22m

Philadelphia

Sat 4/18

7:10 pm-10:30 am

1 stop16h 20m

$257

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Mon 4/6

4:54 pm-11:25 pm

2 stops29h 31m

Philadelphia

Mon 4/13

4:11 pm-11:25 pm

1 stop8h 14m

$272

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 3/19

9:05 pm-12:52 am

2 stops26h 47m

Philadelphia

Mon 3/23

7:10 pm-10:32 am

1 stop16h 22m

$276

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Sat 2/21

6:01 pm-11:53 pm

1 stop4h 52m

Philadelphia

Sat 2/28

10:23 am-3:58 pm

1 stop6h 35m

$281

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Sat 4/25

11:30 am-5:32 pm

1 stop5h 02m

Philadelphia

Sat 5/2

10:00 am-8:49 pm

2 stops11h 49m

$289

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Tue 2/10

11:17 am-5:34 pm

1 stop5h 17m

Philadelphia

Sat 2/14

6:27 am-10:33 am

1 stop5h 06m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 58 results
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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 $180). 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 January 28, 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 January 24, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Missouri to Philadelphia

Explore weekly flight availability from Missouri to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 28, 2026.

The most flights from USMO to PHL are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 20 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 4h 52m. Frontier provides one of the quickest options available for as low as $281. The distance between Missouri and Philadelphia is about 995 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Lambert-St Louis - Philadelphia, Kansas City - 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 Sun Country Air (100%), Republic Airways (97%) or Iberia (95%) 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 $571, our data shows the cheapest flight currently is $192. When looking at the most popular route, (Lambert-St Louis - Philadelphia), you can expect to pay $134 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 $180). 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
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Philadelphia

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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$215FlexibilityNo cancel feeOn-time65%
FrontierCheapest$119Average$232FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$343FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$241Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$250Average$426FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$297Average$437FlexibilityNo cancel feeOn-time63%

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