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Philadelphia

$91+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — PHL
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 6/274:17 pm
STL
-
PHL
1 stop6h 51m
Frontier
Sat 7/411:35 am
PHL
-
STL
1 stop7h 59m
Frontier
Deal found 6/10$284
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:34 pm
STL
-
PHL
1 stop11h 41m
Frontier
Thu 7/238:37 pm
PHL
-
STL
2 stops13h 20m
Frontier
Deal found 6/9$285
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/35:06 pm
STL
-
PHL
2 stops17h 05m
Frontier
Fri 7/104:40 pm
PHL
-
STL
1 stop17h 17m
Frontier
Deal found 6/7$286
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:10 pm
STL
-
PHL
Nonstop2h 10m
Southwest
Sat 7/46:50 am
PHL
-
STL
1 stop7h 35m
Southwest
Deal found 6/8$287
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Thu 7/306:34 pm
STL
-
PHL
1 stop16h 48m
Frontier
Tue 8/49:16 pm
PHL
-
STL
2 stops12h 41m
Frontier
Deal found 6/9$288
This Frontier deal was found by Cheapflights users on 6/10. 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.
Fri 6/264:17 pm
STL
-
PHL
1 stop6h 26m
Frontier
Thu 7/28:30 am
PHL
-
STL
1 stop10h 00m
Frontier
Deal found 6/10$289
This Frontier deal was found by Cheapflights users on 6/10. 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.
Fri 6/264:17 pm
STL
-
PHL
1 stop6h 26m
Frontier
Fri 7/311:35 am
PHL
-
STL
1 stop7h 43m
Frontier
Deal found 6/10$290
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/15:06 pm
STL
-
PHL
1 stop13h 13m
Frontier
Sat 7/48:30 am
PHL
-
STL
2 stops11h 23m
Frontier
Deal found 6/9$291
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/84:57 pm
STL
-
PHL
2 stops16h 00m
Frontier
Sat 7/114:30 pm
PHL
-
STL
1 stop26h 07m
Frontier
Deal found 6/7$292
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/35:06 pm
STL
-
PHL
1 stop13h 13m
Frontier
Sat 7/41:32 pm
PHL
-
STL
2 stops11h 17m
Frontier
Deal found 6/10$293
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:25 pm
STL
-
PHL
1 stop7h 33m
American Airlines
Tue 8/49:00 am
PHL
-
STL
Nonstop2h 35m
American Airlines
Deal found 6/9$294
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Fri 10/910:35 am
STL
-
PHL
2 stops13h 03m
Frontier
Sun 10/1112:43 pm
PHL
-
STL
1 stop21h 57m
Frontier
Deal found 6/9$295

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Frontier)

One-way from

$91
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$458

Good round-trip deal

$386 or less

Good one-way deal

$200 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. 4% potential increase in price ($19 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 June 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 June 11, 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

Tue 6/30

7:12 pm-12:59 am

1 stop4h 47m

Philadelphia

Sat 7/4

7:10 am-12:34 pm

1 stop6h 24m

$297

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Wed 8/5

12:43 pm-7:19 pm

1 stop5h 36m

Philadelphia

Sat 8/8

5:43 am-12:28 pm

1 stop7h 45m

$308

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Sat 7/4

2:11 pm-8:25 pm

1 stop5h 14m

Philadelphia

Sat 7/11

5:06 am-10:17 am

1 stop6h 11m

$329

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Wed 8/19

6:06 am-1:26 pm

1 stop6h 20m

Philadelphia

Wed 8/26

6:15 am-10:53 am

1 stop5h 38m

$329

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Tue 9/8

7:30 am-2:40 pm

1 stop6h 10m

Philadelphia

Sat 9/12

5:01 pm-10:02 pm

1 stop6h 01m

$361

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Thu 7/16

8:40 pm-11:55 pm

Nonstop2h 15m

Philadelphia

Wed 7/22

5:05 pm-6:40 pm

Nonstop2h 35m

$370
Quickest round-trip

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 7/3

8:40 pm-11:50 pm

Nonstop2h 10m

Philadelphia

Fri 7/10

6:05 am-7:25 am

Nonstop2h 20m

$370

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Fri 7/10

4:00 pm-12:45 am

1 stop7h 45m

Philadelphia

Tue 7/14

5:05 pm-6:40 pm

Nonstop2h 35m

$380

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Sat 9/5

8:25 am-2:40 pm

1 stop5h 15m

Philadelphia

Mon 9/7

6:20 am-7:35 am

Nonstop2h 15m

$380

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Tue 9/8

6:00 am-1:27 pm

1 stop6h 27m

Philadelphia

Sat 9/12

6:45 am-11:01 am

1 stop5h 16m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 57 resultsSorted by cheapest first
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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 $82). Flying from Missouri to Philadelphia in June is currently the most expensive (average of $185). 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 June 11, 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 73% versus a flight at noon.

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 June 11, 2026.

The most flights from USMO to PHL are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Missouri to Philadelphia?

How far ahead should I book a flight from Missouri to Philadelphia?

To ensure you get the cheapest price possible for a flight from Missouri to Philadelphia, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 8, 2026.

Travelers seeking maximum savings on their Missouri to Philadelphia flight should consider departing on Wednesday 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.

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 43 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 47m. Delta provides one of the quickest options available for as low as $297. 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 $72 on Frontier. Other airlines that offer cheap prices include American Airlines from $125 and Delta from $132 one-way.

  • 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 PSA Airlines (95%), Aer Lingus (92%) or American Airlines (92%) 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 $1,184, our data shows the cheapest flight currently is $167. When looking at the most popular route, (Lambert-St Louis - Philadelphia), you can expect to pay $238 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 $82). Flying from Missouri to Philadelphia in June is currently the most expensive (average of $185). 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
Plymouth Meeting
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Missouri to Philadelphia

Discover the top 5 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$233FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$234Average$462FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$472FlexibilityNo cancel feeOn-time71%
DeltaCheapest$244Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$423FlexibilityNo cancel feeOn-time69%

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