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$77+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Delta)

One-way from

$77
(Mytrip)

Good round-trip deal

$352 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Kansas City Downtown-Philadelphia flight deals.
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From Missouri to Pennsylvania
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One-way flight from Missouri to Pennsylvania
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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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/243:30 pmSTL - LGA
Nonstop2h 29mDelta
Mon 4/286:30 amLGA - STL
Nonstop2h 45mDelta
Deal found 3/27$177
This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:46 amMCI - EWR
1 stop6h 13mSpirit Airlines
Tue 5/134:31 pmEWR - MCI
1 stop7h 10mSpirit Airlines
Deal found 3/27$184
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:15 amSTL - LGA
1 stop6h 20mSouthwest
Mon 4/286:00 amLGA - STL
Nonstop2h 45mSouthwest
Deal found 3/27$187
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:10 pmSTL - LGA
1 stop28h 23mSpirit Airlines
Mon 4/286:56 pmLGA - STL
1 stop23h 19mSpirit Airlines
Deal found 3/26$188
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:35 pmSTL - LGA
1 stop4h 43mUnited Airlines
Wed 5/711:25 amLGA - STL
1 stop5h 22mUnited Airlines
Deal found 3/27$192
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:00 amSTL - JFK
1 stop5h 22mDelta
Sun 4/206:00 amJFK - STL
1 stop6h 45mDelta
Deal found 3/26$197
This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/259:55 pmSTL - JFK
1 stop30h 35mFrontier
Fri 5/26:59 amJFK - STL
1 stop18h 15mFrontier
Deal found 3/28$204
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:35 pmSTL - IAD
1 stop5h 24mUnited Airlines
Sat 4/268:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 3/27$207
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:59 pmMCI - LGA
1 stop29h 34mSpirit Airlines
Thu 5/86:30 amLGA - MCI
2 stops29h 18mSpirit Airlines
Deal found 3/27$216
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2612:15 pmSTL - LGA
2 stops19h 45mMultiple Airlines
Tue 4/296:00 amLGA - STL
1 stop12h 15mMultiple Airlines
Deal found 3/27$216
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:50 amSTL - IAD
1 stop3h 41mDelta
Mon 4/287:46 pmIAD - STL
1 stop4h 50mDelta
Deal found 3/26$217
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/41:59 pmSTL - JFK
1 stop6h 56mAmerican Airlines
Wed 6/1812:00 pmJFK - STL
1 stop7h 56mAmerican Airlines
Deal found 3/27$219

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 March 28, 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

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 4/24

3:30 pm-6:59 pm

Nonstop2h 29m

New York LaGuardia

Mon 4/28

6:30 am-8:15 am

Nonstop2h 45m

$177

Kansas CityNewark

MCI - EWR

MCIEWR

Kansas City

Sat 5/10

5:46 am-12:59 pm

1 stop6h 13m

Newark

Tue 5/13

4:31 pm-10:41 pm

1 stop7h 10m

$184

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 4/24

10:15 am-5:35 pm

1 stop6h 20m

New York LaGuardia

Mon 4/28

6:00 am-7:45 am

Nonstop2h 45m

$187

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 4/24

6:10 pm-11:33 pm

1 stop28h 23m

New York LaGuardia

Mon 4/28

6:56 pm-5:15 pm

1 stop23h 19m

$188

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 4/30

5:35 pm-11:18 pm

1 stop4h 43m

New York LaGuardia

Wed 5/7

11:25 am-3:47 pm

1 stop5h 22m

$192

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Wed 4/16

6:00 am-12:22 pm

1 stop5h 22m

New York John F Kennedy Intl

Sun 4/20

6:00 am-11:45 am

1 stop6h 45m

$197

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Fri 4/25

9:55 pm-5:30 am

1 stop30h 35m

New York John F Kennedy Intl

Fri 5/2

6:59 am-12:14 am

1 stop18h 15m

$204

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 4/23

1:12 pm-9:01 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

Sat 4/26

8:35 am-9:58 am

Nonstop2h 23m

$207

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 4/23

5:41 pm-4:35 pm

1 stop21h 54m

Washington, D.C. Dulles Intl

Sat 4/26

5:35 pm-12:04 am

1 stop7h 29m

$208

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 4/26

12:15 pm-9:00 am

2 stops19h 45m

New York LaGuardia

Tue 4/29

6:00 am-5:15 pm

1 stop12h 15m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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.

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 March 28, 2025.
Read through reviews of airlines operating flights from Missouri to Pennsylvania, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.1
Very good
4,274 reviews

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 35 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 ($77), Delta ($89), and United Airlines ($89).

  • 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$91FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$419FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$133Average$243FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$371FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$428FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$279Average$398FlexibilityNo cancel feeOn-time63%
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