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Cheap flights from Pennsylvania to Missouri from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Missouri departing on 5/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Pennsylvania to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:55 am - 5:29 pm
EWR
-
MCI
12h 34m
1 stop
Multiple Airlines Logo
6:24 pm - 11:36 am
MCI
-
EWR
16h 12m
1 stop
$180Multiple Airlines
Wed, May 27 - Sat, May 30
Multiple Airlines Logo
2:54 pm - 11:53 pm
EWR
-
MCI
9h 59m
1 stop
Multiple Airlines Logo
11:53 am - 9:29 pm
MCI
-
EWR
8h 36m
1 stop
$182Multiple Airlines
Sat, Apr 11 - Thu, Apr 16
Southwest Logo
2:45 pm - 4:05 pm
DCA
-
STL
2h 20mnonstop
Southwest Logo
2:10 pm - 6:55 pm
STL
-
DCA
3h 45m
1 stop
$275Southwest
Mon, May 4 - Thu, May 7
United Airlines Logo
3:15 pm - 9:13 pm
IAD
-
STL
6h 58m
1 stop
United Airlines Logo
8:45 am - 11:55 am
STL
-
IAD
2h 10mnonstop
$275United Airlines
Wed, May 6 - Sat, May 9
American Airlines Logo
8:41 pm - 10:07 pm
DCA
-
STL
2h 26mnonstop
American Airlines Logo
6:00 am - 9:15 am
STL
-
DCA
2h 15mnonstop
$276American Airlines
Mon, May 11 - Thu, May 14
Delta Logo
9:00 am - 12:22 pm
DCA
-
STL
4h 22m
1 stop
Delta Logo
9:30 am - 4:20 pm
STL
-
DCA
5h 50m
1 stop
$278Delta
Tue, May 19 - Thu, May 21
Southwest Logo
5:55 pm - 11:50 pm
IAD
-
STL
6h 55m
1 stop
Southwest Logo
6:10 am - 4:25 pm
STL
-
IAD
9h 15m
2 stops
$279Southwest
Thu, Apr 23 - Sat, Apr 25
United Airlines Logo
5:45 pm - 7:22 pm
IAD
-
STL
2h 37mnonstop
United Airlines Logo
9:10 am - 5:09 pm
STL
-
IAD
6h 59m
1 stop
$281United Airlines
Wed, Apr 15 - Mon, Apr 20
Delta Logo
6:05 am - 9:46 am
DCA
-
MCI
4h 41m
1 stop
Delta Logo
5:47 pm - 10:59 pm
MCI
-
DCA
4h 12m
1 stop
$283Delta
Sat, May 23 - Tue, Jun 2
American Airlines Logo
8:41 pm - 10:07 pm
DCA
-
STL
2h 26mnonstop
American Airlines Logo
4:30 pm - 11:57 pm
STL
-
DCA
6h 27m
1 stop
$284American Airlines
Fri, Apr 17 - Sat, Apr 18

American Airlines flights from Pennsylvania to Missouri

Our best American Airlines deals on Pennsylvania to Missouri flight tickets
American Airlines
May 11
DCA8:41 pmWashington, D.C. Reagan-National
2h 26m
STL10:07 pmLambert-St Louis
May 14
STL6:00 amLambert-St Louis
2h 15m
DCA9:15 amWashington, D.C. Reagan-National
$276
American Airlines
Apr 17
DCA8:41 pmWashington, D.C. Reagan-National
2h 26m
STL10:07 pmLambert-St Louis
Apr 18
STL4:30 pmLambert-St Louis
6h 27m
1 stop
DCA11:57 pmWashington, D.C. Reagan-National
$284
American Airlines
May 11
DCA7:50 pmWashington, D.C. Reagan-National
5h 06m
1 stop
STL11:56 pmLambert-St Louis
May 14
STL6:00 amLambert-St Louis
2h 15m
DCA9:15 amWashington, D.C. Reagan-National
$286

Delta flights from Pennsylvania to Missouri

Our best Delta deals on Pennsylvania to Missouri flight tickets
Delta
May 19
DCA9:00 amWashington, D.C. Reagan-National
4h 22m
1 stop
STL12:22 pmLambert-St Louis
May 21
STL9:30 amLambert-St Louis
5h 50m
1 stop
DCA4:20 pmWashington, D.C. Reagan-National
$278
Delta
Apr 20
IAD7:19 pmWashington, D.C. Dulles Intl
5h 31m
1 stop
MCI11:50 pmKansas City
Apr 22
MCI6:47 pmKansas City
4h 55m
1 stop
IAD12:42 amWashington, D.C. Dulles Intl
$283
Delta
Apr 27
DCA7:38 pmWashington, D.C. Reagan-National
4h 58m
1 stop
STL11:36 pmLambert-St Louis
Apr 30
STL12:45 pmLambert-St Louis
5h 07m
1 stop
DCA6:52 pmWashington, D.C. Reagan-National
$285

momondo 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, momondo users made 832,500 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Pennsylvania to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkKansas City

EWR - MCI

EWRMCI

Newark

Wed 5/27

5:55 am-5:29 pm

1 stop12h 34m

Kansas City

Sat 5/30

6:24 pm-11:36 am

1 stop16h 12m

$180

NewarkKansas City

EWR - MCI

EWRMCI

Newark

Sat 4/11

2:54 pm-11:53 pm

1 stop9h 59m

Kansas City

Thu 4/16

11:53 am-9:29 pm

1 stop8h 36m

$182

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 5/4

2:45 pm-4:05 pm

Nonstop2h 20m

Lambert-St Louis

Thu 5/7

2:10 pm-6:55 pm

1 stop3h 45m

$275

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 5/6

3:15 pm-9:13 pm

1 stop6h 58m

Lambert-St Louis

Sat 5/9

8:45 am-11:55 am

Nonstop2h 10m

$275
Quickest round-trip

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 5/11

8:41 pm-10:07 pm

Nonstop2h 26m

Lambert-St Louis

Thu 5/14

6:00 am-9:15 am

Nonstop2h 15m

$276

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 5/19

9:00 am-12:22 pm

1 stop4h 22m

Lambert-St Louis

Thu 5/21

9:30 am-4:20 pm

1 stop5h 50m

$278

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Thu 4/23

5:55 pm-11:50 pm

1 stop6h 55m

Lambert-St Louis

Sat 4/25

6:10 am-4:25 pm

2 stops9h 15m

$279

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 4/15

5:45 pm-7:22 pm

Nonstop2h 37m

Lambert-St Louis

Mon 4/20

9:10 am-5:09 pm

1 stop6h 59m

$281

Washington, D.C.Kansas City

DCA - MCI

DCAMCI

Washington, D.C. Reagan-National

Sat 5/23

6:05 am-9:46 am

1 stop4h 41m

Kansas City

Tue 6/2

5:47 pm-10:59 pm

1 stop4h 12m

$283

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 4/17

8:41 pm-10:07 pm

Nonstop2h 26m

Lambert-St Louis

Sat 4/18

4:30 pm-11:57 pm

1 stop6h 27m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missouri from

How to get the cheapest flight ticket from Pennsylvania to Missouri

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 Missouri?

In general, September is the cheapest month to fly from Pennsylvania to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $314. If you aren’t able to travel to Missouri during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $320.

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

The cheapest day to depart from Pennsylvania to Missouri is on a Wednesday when prices can be found for as low as $386. Flights from Pennsylvania to Missouri on a Sunday will generally be more expensive and average around $466. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from Pennsylvania to Missouri in the afternoon for as low as $369. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly at noon, with an average ticket price of $421. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Pennsylvania to Missouri flight route?

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

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

You are more likely to see cheaper flights to Missouri from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Pennsylvania for as low as $305 on momondo.

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

There are 3 cabin classes available to choose from on Pennsylvania to Missouri 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 Pennsylvania to Missouri flights?

You could potentially save up to 22% on your flight if you consider stops on a Pennsylvania to Missouri flight.

Cheap Pennsylvania to Missouri flight deals and tips

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

Best Price Found

$172

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Pennsylvania in the past 72 hours is $172. The best round-trip flight deal from Pennsylvania to Missouri found on momondo in the last 72 hours is $349.
The fastest flight from Pennsylvania to Missouri takes 1h 45m
Direct flights go from Pennsylvania to Missouri every day.
There are 55 airports in Missouri. From Pennsylvania there are direct flights to Lambert-St Louis (STL).
Search flight deals

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

    Prices for flights from Pennsylvania to Missouri refresh daily.

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

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

    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 Pennsylvania to Missouri.

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

    The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Pennsylvania to Missouri

Compare and see reviews for airlines that fly from Pennsylvania to Missouri with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $93Free CancellationRating
6.3
8,558 reviews
Search Spirit Airlines flights
FrontierPriceFrom $135Free CancellationRating
5.7
3,010 reviews
Search Frontier flights
American AirlinesPriceFrom $170Free CancellationRating
7.1
11,529 reviews
Search American Airlines flights
DeltaPriceFrom $219Free CancellationRating
7.9
8,358 reviews
Search Delta flights
SouthwestPriceFrom $221Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Pennsylvania.

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

Yes. momondo enables you to select and highlight flights to Missouri from Pennsylvania with this policy.

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

Once all potential Pennsylvania to Missouri 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 Pennsylvania to Missouri right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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