Cheap flights from Missouri to Pennsylvania from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Pennsylvania departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
2:30 pm - 9:00 pmSTL-EWR
5h 30m1 stop
Spirit Airlines Logo
10:00 am - 1:32 pmEWR-STL
4h 32m1 stop
$137Spirit Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25
Spirit Airlines Logo
12:05 pm - 9:01 pmSTL-EWR
7h 56m1 stop
Spirit Airlines Logo
8:25 pm - 10:50 amEWR-STL
15h 25m1 stop
$142Spirit Airlines
Find Deal
Thu, Sep 18 - Sat, Sep 20
Delta Logo
6:05 am - 9:33 amSTL-LGA
2h 28mnonstop
Delta Logo
6:20 am - 7:56 amLGA-STL
2h 36mnonstop
$197Delta
Find Deal
Thu, Sep 18 - Sun, Sep 21
Delta Logo
4:10 pm - 7:58 pmSTL-JFK
2h 48mnonstop
Delta Logo
2:55 pm - 4:48 pmJFK-STL
2h 53mnonstop
$197Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
American Airlines Logo
7:23 am - 4:14 pmSTL-LGA
7h 51m1 stop
American Airlines Logo
7:59 am - 9:41 amLGA-STL
2h 42mnonstop
$212American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
American Airlines Logo
7:01 am - 2:58 pmSTL-JFK
6h 57m1 stop
American Airlines Logo
11:40 am - 4:15 pmJFK-STL
5h 35m1 stop
$216American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
12:37 pm - 3:59 pmMCI-IAD
2h 22mnonstop
United Airlines Logo
5:45 pm - 7:32 pmIAD-MCI
2h 47mnonstop
$217United Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
5:30 pm - 12:30 amSTL-EWR
6h 00m1 stop
United Airlines Logo
9:48 pm - 11:44 pmEWR-STL
2h 56mnonstop
$223United Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
Southwest Logo
7:35 am - 11:00 amMCI-DCA
2h 25mnonstop
Southwest Logo
2:10 pm - 8:40 pmDCA-MCI
7h 30m1 stop
$227Southwest
Find Deal
Wed, Aug 20 - Wed, Aug 20
Southwest Logo
7:45 am - 11:05 amMCI-DCA
2h 20mnonstop
Southwest Logo
6:10 am - 7:45 amDCA-MCI
2h 35mnonstop
$232Southwest
Find Deal
Fri, Aug 29 - Mon, Sep 1

Delta flights from Missouri to Pennsylvania

Our best Delta deals on Missouri to Pennsylvania flight tickets
Delta
Sep 17
STL4:10 pmLambert-St Louis
2h 48m
JFK7:58 pmNew York John F Kennedy Intl
Sep 20
JFK2:55 pmNew York John F Kennedy Intl
2h 53m
STL4:48 pmLambert-St Louis
Delta
Sep 17
STL4:10 pmLambert-St Louis
2h 48m
JFK7:58 pmNew York John F Kennedy Intl
Sep 20
JFK6:00 amNew York John F Kennedy Intl
7h 21m
1 stop
STL12:21 pmLambert-St Louis
Delta
Oct 6
STL5:15 pmLambert-St Louis
6h 41m
1 stop
JFK12:56 amNew York John F Kennedy Intl
Oct 21
JFK12:25 pmNew York John F Kennedy Intl
6h 37m
1 stop
STL6:02 pmLambert-St Louis

American Airlines flights from Missouri to Pennsylvania

Our best American Airlines deals on Missouri to Pennsylvania flight tickets
American Airlines
Sep 6
STL7:23 amLambert-St Louis
7h 51m
1 stop
LGA4:14 pmNew York LaGuardia
Sep 10
LGA7:59 amNew York LaGuardia
2h 42m
STL9:41 amLambert-St Louis
American Airlines
Sep 13
STL7:01 amLambert-St Louis
6h 57m
1 stop
JFK2:58 pmNew York John F Kennedy Intl
Sep 20
JFK11:40 amNew York John F Kennedy Intl
5h 35m
1 stop
STL4:15 pmLambert-St Louis
American Airlines
Aug 24
MCI6:00 amKansas City
2h 29m
DCA9:29 amWashington, D.C. Reagan-National
Aug 26
DCA7:59 pmWashington, D.C. Reagan-National
2h 46m
MCI9:45 pmKansas City

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Missouri to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 8/18

2:30 pm-9:00 pm

1 stop5h 30m

Newark

Mon 8/25

10:00 am-1:32 pm

1 stop4h 32m

$137

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Thu 9/18

12:05 pm-9:01 pm

1 stop7h 56m

Newark

Sat 9/20

8:25 pm-10:50 am

1 stop15h 25m

$142

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 9/18

6:05 am-9:33 am

Nonstop2h 28m

New York LaGuardia

Sun 9/21

6:20 am-7:56 am

Nonstop2h 36m

$197

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Wed 9/17

4:10 pm-7:58 pm

Nonstop2h 48m

New York John F Kennedy Intl

Sat 9/20

2:55 pm-4:48 pm

Nonstop2h 53m

$197

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 9/6

7:23 am-4:14 pm

1 stop7h 51m

New York LaGuardia

Wed 9/10

7:59 am-9:41 am

Nonstop2h 42m

$212

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Sat 9/13

7:01 am-2:58 pm

1 stop6h 57m

New York John F Kennedy Intl

Sat 9/20

11:40 am-4:15 pm

1 stop5h 35m

$216

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 1/21

12:37 pm-3:59 pm

Nonstop2h 22m

Washington, D.C. Dulles Intl

Sat 1/24

5:45 pm-7:32 pm

Nonstop2h 47m

$217

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Fri 9/19

5:30 pm-12:30 am

1 stop6h 00m

Newark

Mon 9/22

9:48 pm-11:44 pm

Nonstop2h 56m

$223

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 8/20

7:35 am-11:00 am

Nonstop2h 25m

Washington, D.C. Reagan-National

Wed 8/20

2:10 pm-8:40 pm

1 stop7h 30m

$227

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Fri 8/29

7:45 am-11:05 am

Nonstop2h 20m

Washington, D.C. Reagan-National

Mon 9/1

6:10 am-7:45 am

Nonstop2h 35m

$232

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Pennsylvania from

How to get the cheapest flight ticket from Missouri to Pennsylvania

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Pennsylvania?

The month of August is, on average, the cheapest month to fly to Pennsylvania from Missouri, with most prices found around $246. If you don’t want to visit Pennsylvania in August, then you should wait until September to fly from Missouri, when ticket prices are also cheap, with an average price of $265.

What is the cheapest day to depart on your flight to Pennsylvania?

The cheapest day to depart on your flight to Pennsylvania is on a Thursday when prices can be found for as low as $654. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $917. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

What is the cheapest time of day to depart on your flight to Pennsylvania?

Our most recent data shows that the best time of day to fly to Pennsylvania is in the evening. Flights from Missouri to Pennsylvania during this time can be as low as $405. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $1,163.

What is the cheapest Missouri to Pennsylvania flight route?

Fly from Lambert-St Louis to Pittsburgh for the best Missouri - Pennsylvania flight prices

How far in advance should I book a flight to Pennsylvania?

You are more likely to see cheaper flights to Pennsylvania from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Missouri for as low as $285 on momondo.

What cabin class options are available on Missouri to Pennsylvania flights?

There are 4 cabin classes available to choose from on Missouri to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Pennsylvania flights?

You could potentially save up to 14% on your flight if you consider stops on a Missouri to Pennsylvania flight.

Cheap Missouri to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Pennsylvania

Best Price Found

$54

Fastest flight time

2h 06m

Direct flights

Every day

Airports in Pennsylvania

5 airports
The best one-way flight to Pennsylvania from Missouri in the past 72 hours is $54. The best round-trip flight deal from Missouri to Pennsylvania found on momondo in the last 72 hours is $137.
The fastest flight from Missouri to Pennsylvania takes 2h 06m
Direct flights go from Missouri to Pennsylvania every day.
There are 5 airports near Pennsylvania: Newark (EWR), Washington, D.C. Reagan-National (DCA), New York LaGuardia (LGA), Washington, D.C. Dulles Intl (IAD), New York John F Kennedy Intl (JFK)

  • When did momondo last update prices for flights from Missouri to Pennsylvania?

    Prices for flights from Missouri to Pennsylvania refresh daily.

  • How many operators does momondo search for flights from Missouri to Pennsylvania?

  • How old do you have to be to fly from Missouri to Pennsylvania?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Pennsylvania.

  • What documentation or ID do you need to fly to Pennsylvania?

    The required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Missouri to Pennsylvania?


Best airlines flying from Missouri to Pennsylvania

Compare and see reviews for airlines that fly from Missouri to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $133Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $191Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $270Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Pennsylvania?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Pennsylvania for you.

Can I find flights from Missouri to Pennsylvania with flexible booking policies on momondo?

Yes. All flights to Pennsylvania from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Pennsylvania?

Once all potential Missouri to Pennsylvania flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Pennsylvania right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Pennsylvania from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
Tue 8/5
Tue 8/12

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