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Pennsylvania

$54+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$183
(Booking.com)

One-way from

$54
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$381

Good round-trip deal

$375 or less

Good one-way deal

$219 or less
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. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:05 amMCI - EWR
1 stop8h 25mSpirit Airlines
Mon 8/255:45 amEWR - MCI
1 stop12h 53mSpirit Airlines
Deal found 6/10$183
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:20 amSTL - IAD
1 stop5h 37mDelta
Sat 11/86:10 amIAD - STL
1 stop4h 25mDelta
Deal found 6/10$208
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:45 amMCI - LGA
1 stop8h 50mSpirit Airlines
Thu 7/175:59 amLGA - MCI
1 stop4h 36mSpirit Airlines
Deal found 6/10$209
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1611:24 amSTL - LGA
1 stop10h 47mSpirit Airlines
Sat 7/199:24 pmLGA - STL
1 stop13h 28mSpirit Airlines
Deal found 6/10$210
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/175:55 amSTL - JFK
1 stop10h 22mAmerican Airlines
Sat 9/2711:00 amJFK - STL
1 stop11h 53mAmerican Airlines
Deal found 6/11$210
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 8/77:23 amSTL - LGA
1 stop8h 06mAmerican Airlines
Mon 8/116:57 amLGA - STL
Nonstop2h 46mAmerican Airlines
Deal found 6/12$213
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/249:17 amSTL - IAD
1 stop5h 35mUnited Airlines
Fri 9/266:30 amIAD - STL
1 stop5h 19mUnited Airlines
Deal found 6/12$213
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:02 pmSTL - JFK
1 stop19h 57mFrontier
Wed 9/31:00 pmJFK - STL
1 stop22h 07mFrontier
Deal found 6/11$213
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:14 amMCI - JFK
1 stop9h 04mAmerican Airlines
Tue 10/282:30 pmJFK - MCI
1 stop10h 29mAmerican Airlines
Deal found 6/10$218
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:05 pmSTL - LGA
Nonstop2h 25mSouthwest
Mon 8/46:10 amLGA - STL
Nonstop2h 35mSouthwest
Deal found 6/10$219
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/93:12 pmMCI - LGA
1 stop6h 59mMultiple Airlines
Sun 7/1310:55 pmLGA - MCI
1 stop21h 09mMultiple Airlines
Deal found 6/9$221
This Delta deal was found by Cheapflights users on 6/11. 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 8/76:00 amSTL - LGA
Nonstop2h 31mDelta
Mon 8/116:30 amLGA - STL
Nonstop2h 36mDelta
Deal found 6/11$222

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 June 12, 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

Tue 6/24

6:05 am-3:30 pm

1 stop8h 25m

Newark

Mon 8/25

5:45 am-5:38 pm

1 stop12h 53m

$183

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 11/5

7:20 am-1:57 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Sat 11/8

6:10 am-9:35 am

1 stop4h 25m

$208

Kansas CityNew York

MCI - LGA

MCILGA

Kansas City

Wed 7/9

5:45 am-3:35 pm

1 stop8h 50m

New York LaGuardia

Thu 7/17

5:59 am-9:35 am

1 stop4h 36m

$209

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Wed 9/17

5:55 am-5:17 pm

1 stop10h 22m

New York John F Kennedy Intl

Sat 9/27

11:00 am-9:53 pm

1 stop11h 53m

$210

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 7/16

11:24 am-11:11 pm

1 stop10h 47m

New York LaGuardia

Sat 7/19

9:24 pm-9:52 am

1 stop13h 28m

$210

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 9/24

9:17 am-3:52 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Fri 9/26

6:30 am-10:49 am

1 stop5h 19m

$213

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Sat 8/30

3:02 pm-11:59 am

1 stop19h 57m

New York John F Kennedy Intl

Wed 9/3

1:00 pm-10:07 am

1 stop22h 07m

$213

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 8/7

7:23 am-4:29 pm

1 stop8h 06m

New York LaGuardia

Wed 8/13

12:29 pm-2:15 pm

Nonstop2h 46m

$213

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 8/2

7:05 pm-10:30 pm

Nonstop2h 25m

New York LaGuardia

Thu 8/7

6:10 am-7:45 am

Nonstop2h 35m

$219

Kansas CityNew York

MCI - LGA

MCILGA

Kansas City

Wed 7/9

3:12 pm-11:11 pm

1 stop6h 59m

New York LaGuardia

Sun 7/13

10:55 pm-7:04 pm

1 stop21h 09m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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 June 12, 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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 32 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 ($54), American Airlines ($79), and United Airlines ($79).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$94FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$130Average$427FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$131Average$406FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$133Average$248FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$362FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$273Average$397FlexibilityNo cancel feeOn-time63%

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