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$71+ Cheap flights from Missouri to Pennsylvania

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Missouri to Pennsylvania

Keep the following information in mind while searching for Missouri to Pennsylvania flight deals. Data was last updated April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$184
(Expedia)

One-way from

$71
(Cheapflightsfares)

Popular in

April

Cheapest in

July

Average price

$436

Good round-trip deal

$326 or less

Good one-way deal

$126 or less
Provider with most accurate pricing for Kansas City-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Philadelphia flights.
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From Missouri to Pennsylvania
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One-way flight from Missouri to Pennsylvania
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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Missouri to Pennsylvania.
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Price to beat on a one-way flight from Missouri to Pennsylvania.
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Find flight deals from Missouri to Pennsylvania

Cheapest flights from Missouri to Pennsylvania
Explore the most affordable flight options available from Missouri to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Expedia deal was found by Cheapflights users on 4/29. 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.
Thu 5/227:58 pmMCI - EWR
1 stop8h 44mSpirit Airlines
Tue 5/274:31 pmEWR - MCI
1 stop7h 10mSpirit Airlines
Deal found 4/29$184
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/2411:26 amMCI - LGA
1 stop10h 58mSpirit Airlines
Wed 6/411:55 amLGA - MCI
1 stop11h 46mSpirit Airlines
Deal found 4/29$198
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:45 pmSTL - JFK
1 stop15h 40mFrontier
Tue 5/136:59 amJFK - STL
1 stop18h 07mFrontier
Deal found 4/29$198
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:00 amSTL - IAD
1 stop5h 55mUnited Airlines
Sat 5/318:40 amIAD - STL
Nonstop2h 16mUnited Airlines
Deal found 4/29$204
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:45 pmSTL - IAD
1 stop17h 47mFrontier
Sat 5/2411:02 amIAD - STL
1 stop13h 42mFrontier
Deal found 4/28$208
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/303:02 pmMCI - LGA
1 stop6h 23mMultiple Airlines
Tue 6/35:54 amLGA - MCI
1 stop8h 56mMultiple Airlines
Deal found 4/29$217
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:45 pmSTL - LGA
1 stop26h 14mFrontier
Sun 5/1110:00 pmLGA - STL
1 stop27h 06mFrontier
Deal found 4/29$218
This Delta deal was found by Cheapflights users on 4/28. 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 5/286:45 pmSTL - LGA
Nonstop2h 30mDelta
Thu 5/296:59 pmLGA - STL
Nonstop2h 49mDelta
Deal found 4/28$221
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 5/245:40 pmSTL - IAD
1 stop4h 55mDelta
Mon 5/266:00 amIAD - STL
1 stop4h 00mDelta
Deal found 4/28$224
This Southwest deal was found by Cheapflights users on 4/28. 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 6/37:45 pmSTL - LGA
Nonstop2h 25mSouthwest
Wed 6/116:05 amLGA - STL
1 stop7h 05mSouthwest
Deal found 4/28$231
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:46 amMCI - EWR
1 stop6h 13mMultiple Airlines
Sat 5/245:09 pmEWR - MCI
2 stops25h 32mMultiple Airlines
Deal found 4/29$233
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 6/33:40 pmSTL - JFK
1 stop5h 20mDelta
Wed 6/118:30 amJFK - STL
1 stop5h 05mDelta
Deal found 4/28$241

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Pennsylvania 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 April 30, 2025.
Use the filters below to find and compare flights from Missouri to Pennsylvania that are best for you.

Fly from

Missouri

Fly to

Pennsylvania

Route

Depart

Return

Price

Kansas CityNewark

MCI - EWR

MCIEWR

Kansas City

Thu 5/22

7:58 pm-5:42 am

1 stop8h 44m

Newark

Tue 5/27

4:31 pm-10:41 pm

1 stop7h 10m

$184

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Thu 5/29

5:00 am-11:55 am

1 stop5h 55m

Washington, D.C. Dulles Intl

Sat 5/31

8:40 am-9:56 am

Nonstop2h 16m

$204

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 5/21

5:45 pm-12:32 pm

1 stop17h 47m

Washington, D.C. Dulles Intl

Sat 5/24

11:02 am-11:44 pm

1 stop13h 42m

$208

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Sat 5/17

5:45 pm-10:25 am

1 stop15h 40m

New York John F Kennedy Intl

Sat 5/24

6:59 am-11:44 pm

1 stop17h 45m

$208

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 5/28

6:45 pm-10:15 pm

Nonstop2h 30m

New York LaGuardia

Thu 5/29

6:59 pm-8:48 pm

Nonstop2h 49m

$221

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sat 5/24

5:40 pm-11:35 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Mon 5/26

6:00 am-9:00 am

1 stop4h 00m

$224

Kansas CityNew York

MCI - LGA

MCILGA

Kansas City

Thu 5/22

5:46 am-7:04 pm

1 stop12h 18m

New York LaGuardia

Sun 5/25

5:54 am-1:50 pm

1 stop8h 56m

$227

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Fri 5/9

5:55 pm-8:59 pm

1 stop26h 04m

New York LaGuardia

Sun 5/11

10:00 pm-12:06 am

1 stop27h 06m

$228

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 6/3

7:45 pm-11:10 pm

Nonstop2h 25m

New York LaGuardia

Wed 6/11

6:05 am-12:10 pm

1 stop7h 05m

$231

Kansas CityNewark

MCI - EWR

MCIEWR

Kansas City

Wed 5/21

5:46 am-12:59 pm

1 stop6h 13m

Newark

Sat 5/24

5:09 pm-5:41 pm

2 stops25h 32m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

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

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

Currently, August is the cheapest month in which you can book a flight from Missouri to Pennsylvania (average of $236). Flying from Missouri to Pennsylvania in March is currently the most expensive (average of $295). 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 PA?

Find hourly flight availability from Missouri to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from Missouri to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Missouri to Pennsylvania

Explore weekly flight availability from Missouri to Pennsylvania. 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 April 30, 2025.

The most flights from USMO to USPA are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from Missouri to Pennsylvania, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Pennsylvania. 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 Missouri to Pennsylvania flight route?

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

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

    The cheapest airlines for a one-way flight from Missouri to Pennsylvania are Spirit Airlines ($71), Frontier ($95), and Delta ($100).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Missouri to Pennsylvania (average of $236). Flying from Missouri to Pennsylvania in March is currently the most expensive (average of $295). 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

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Alternative routes for Missouri to Pennsylvania

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

Discover the top 6 airlines that operate flights from Missouri to Pennsylvania. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$91FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$130Average$430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$131Average$408FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$133Average$253FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$367FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$273Average$396FlexibilityNo cancel feeOn-time63%

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