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Missouri

$65+ Cheap flights from Pennsylvania 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Missouri

Keep the following information in mind while searching for Pennsylvania to Missouri flight deals. Data was last updated September 17, 2025.

Round-trip from

$190
(Frontier)

One-way from

$65
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$410

Good round-trip deal

$282 or less

Good one-way deal

$189 or less
From Pennsylvania to Missouri
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One-way flight from Pennsylvania to Missouri
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Pennsylvania to Missouri.
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Price to beat on a one-way flight from Pennsylvania to Missouri.
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Find flight deals from Pennsylvania to Missouri

Cheapest flights from Pennsylvania to Missouri
Explore the most affordable flight options available from Pennsylvania to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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 9/185:55 amEWR - MCI
1 stop11h 25mFrontier
Thu 10/25:15 pmMCI - EWR
1 stop6h 51mFrontier
Deal found 9/16$190
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Fri 10/34:15 pmEWR - MCI
1 stop7h 52mSpirit Airlines
Sat 10/45:15 amMCI - EWR
1 stop7h 45mSpirit Airlines
Deal found 9/17$191
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/295:55 amEWR - MCI
1 stop11h 25mMultiple Airlines
Tue 9/305:15 amMCI - EWR
1 stop10h 25mMultiple Airlines
Deal found 9/15$194
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/265:55 amEWR - MCI
1 stop11h 25mMultiple Airlines
Mon 9/295:15 amMCI - EWR
1 stop6h 32mMultiple Airlines
Deal found 9/15$197
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/2211:26 amEWR - MCI
1 stop24h 16mMultiple Airlines
Wed 10/292:55 pmMCI - EWR
1 stop14h 27mMultiple Airlines
Deal found 9/14$198
This Orbitz deal was found by Cheapflights users on 9/16. 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.
Wed 10/110:55 amEWR - MCI
1 stop13h 12mMultiple Airlines
Fri 10/1011:37 amMCI - EWR
1 stop12h 29mMultiple Airlines
Deal found 9/16$199
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Thu 12/43:54 pmEWR - MCI
1 stop9h 46mSpirit Airlines
Mon 12/812:13 pmMCI - EWR
1 stop11h 43mSpirit Airlines
Deal found 9/15$201
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/25:55 amEWR - MCI
1 stop11h 25mMultiple Airlines
Mon 10/65:15 pmMCI - EWR
2 stops14h 45mMultiple Airlines
Deal found 9/16$202
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/246:59 amEWR - MCI
1 stop11h 32mSpirit Airlines
Wed 10/292:55 pmMCI - EWR
1 stop14h 27mSpirit Airlines
Deal found 9/15$204
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/71:44 pmDCA - STL
1 stop6h 02mAmerican Airlines
Tue 10/146:08 pmSTL - DCA
Nonstop2h 02mAmerican Airlines
Deal found 9/14$204
This Orbitz deal was found by Cheapflights users on 9/15. 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 9/275:30 pmEWR - MCI
1 stop6h 37mSpirit Airlines
Mon 9/295:15 amMCI - EWR
1 stop6h 32mSpirit Airlines
Deal found 9/15$205
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/25:55 amEWR - MCI
1 stop11h 25mMultiple Airlines
Mon 10/136:36 pmMCI - EWR
1 stop10h 46mMultiple Airlines
Deal found 9/16$207

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 17, 2025.
Use the filters below to find and compare flights from Pennsylvania to Missouri that are best for you.

Fly from

Pennsylvania

Fly to

Missouri

Route

Depart

Return

Price

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 10/14

7:00 am-9:07 am

1 stop27h 07m

Lambert-St Louis

Tue 10/21

7:52 pm-12:04 pm

1 stop15h 12m

$215

NewarkKansas City

EWR - MCI

EWRMCI

Newark

Fri 11/14

3:54 pm-12:40 am

1 stop9h 46m

Kansas City

Tue 11/18

10:09 am-7:07 pm

1 stop7h 58m

$216

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-11:16 am

1 stop6h 16m

Kansas City

Mon 3/2

5:40 pm-11:33 pm

1 stop4h 53m

$217

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Thu 10/30

6:59 am-12:29 pm

1 stop6h 30m

Kansas City

Mon 11/3

4:39 pm-10:40 pm

1 stop5h 01m

$217

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Tue 3/10

1:45 pm-5:37 pm

1 stop4h 52m

Kansas City

Wed 3/11

10:35 am-6:16 pm

1 stop6h 41m

$217

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Wed 10/8

6:19 am-9:45 am

1 stop4h 26m

Kansas City

Sat 10/18

5:51 pm-10:59 pm

1 stop4h 08m

$217

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Fri 11/7

7:35 pm-11:39 pm

1 stop5h 04m

Kansas City

Mon 11/10

5:47 pm-11:04 pm

1 stop4h 17m

$217

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Tue 3/10

12:30 pm-6:08 pm

1 stop6h 38m

Kansas City

Wed 3/11

4:15 pm-12:07 am

1 stop6h 52m

$217

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Fri 10/31

6:05 am-9:45 am

1 stop4h 40m

Kansas City

Wed 11/5

5:39 pm-11:19 pm

1 stop4h 40m

$217

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Thu 10/30

6:05 am-9:45 am

1 stop4h 40m

Kansas City

Mon 11/10

5:47 pm-11:03 pm

1 stop4h 16m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Missouri

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

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Missouri (average of $311). Flying from Pennsylvania 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 PA to MO?

Find hourly flight availability from Pennsylvania 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 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania 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 17, 2025.
Read through reviews of airlines operating flights from Pennsylvania to Missouri, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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 Pennsylvania to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Pennsylvania to Missouri flight route?

    Flights from Pennsylvania to Missouri have been viewed 36 times in the past calendar month.

  • How long is the flight from Pennsylvania to Missouri?

    A quick flight from Pennsylvania to Missouri can take about 6h 16m. Frontier provides one of the quickest options available for as low as $217. There are 947 mi between Pennsylvania and Missouri. 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 Pennsylvania to Missouri one-way?

    One-way options have recently been found by users for as low as $66 on United Airlines. Other airlines that offer cheap prices include Frontier from $71 and Delta from $99 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Missouri (average of $311). Flying from Pennsylvania 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.

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Alternative routes for Pennsylvania to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Pennsylvania to Missouri

Discover the top 6 airlines that operate flights from Pennsylvania 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$247FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$177Average$414FlexibilityNo cancel feeOn-time71%
DeltaCheapest$219Average$368FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$241Average$401FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$248Average$453FlexibilityNo cancel feeOn-time69%

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