Cheap flights from Pennsylvania to Missouri from $70
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 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Pennsylvania to Missouri
Round-trip
One-way
Last minute
Direct
Cheap round-trip flights
These are some of the best round-trip flight deals from Pennsylvania to Missouri that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Pennsylvania to Missouri.
Cheap last minute flights
Planning a quick getaway from Pennsylvania to Missouri? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Missouri, so you can enjoy a seamless trip without layovers.
Frontier flights from Pennsylvania to Missouri
Our best Frontier deals on Pennsylvania to Missouri flight tickets
Frontier![Frontier]()
May 12![Frontier]()
May 14
PHL4:33 pmPhiladelphia
8h 33m
1 stop
STL12:06 amLambert-St Louis
STL5:45 pmLambert-St Louis
12h 51m
1 stop
PHL7:36 amPhiladelphia
Frontier![Frontier]()
May 5![Frontier]()
May 11
JFK6:59 amNew York John F Kennedy Intl
18h 07m
1 stop
STL12:06 amLambert-St Louis
STL9:55 pmLambert-St Louis
30h 35m
1 stop
JFK5:30 amNew York John F Kennedy Intl
United Airlines flights from Pennsylvania to Missouri
Our best United Airlines deals on Pennsylvania to Missouri flight tickets
United Airlines![United Airlines]()
Jul 4![United Airlines]()
Jul 5
IAD8:40 amWashington, D.C. Dulles Intl
2h 19m
STL9:59 amLambert-St Louis
STL8:15 amLambert-St Louis
2h 08m
IAD11:23 amWashington, D.C. Dulles Intl
United Airlines![United Airlines]()
Jul 4![United Airlines]()
Jul 5
IAD8:40 amWashington, D.C. Dulles Intl
2h 19m
STL9:59 amLambert-St Louis
STL5:30 pmLambert-St Louis
6h 00m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
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
Prices
Airlines
Other information
What is the cheapest month to fly to Missouri?
In general, July 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 $201. If you aren’t able to travel to Missouri during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $216.
What is the cheapest day to depart on your flight to Missouri?
The cheapest day to depart from Pennsylvania to Missouri is on a Saturday when prices can be found for as low as $287. Flights from Pennsylvania to Missouri on a Sunday will generally be more expensive and average around $440. 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 at noon. momondo users have found flights departing from Pennsylvania to Missouri at noon for as low as $298. 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 in the morning, with an average ticket price of $383. Departure times in the morning 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 13 weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $344 when searching 13 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 $244 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.
What is the cheapest airline that flies from Pennsylvania to Missouri?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Pennsylvania to Missouri
What airlines fly to Missouri?
American Airlines, Southwest and Delta are the top three most popular airlines that fly to Missouri from Pennsylvania according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.
How many flights depart from Pennsylvania to Missouri on average per day?
As of April 2025, 47 flights take off from Pennsylvania and land in Missouri each day. The most common flight departure time for this route is 7:00PM, with 60% of daily flights taking off in the evening.
How many flights depart from Pennsylvania to Missouri on average per week?
As of April 2025, there are 332 flights per week flying from Pennsylvania to Missouri. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.
Cheap Pennsylvania to Missouri flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Missouri
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?
As of April 2025, there are 7 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to Missouri is Canadair (Bombardier) Regional Jet 900, representing 21.90% of all bookings. The subsequent popular models are Airbus A319 at 17.12%, Boeing 737 MAX 8 at 15.15%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 10.64%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $43 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $131 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 6.3 7,963 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 8.0 4,294 reviews |
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.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Missouri
Popular cities in Missouri
Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $2
Flights to Los Angelesfrom $39
Flights to Miamifrom $70
Flights to Chicagofrom $60
Flights to Las Vegasfrom $37
Flights to Orlandofrom $45
Flights to San Franciscofrom $47
Flights to Washington, D.C.from $58
Flights to Bostonfrom $59
Flights to Dallasfrom $61
Flights to Atlantafrom $47
Flights to Seattlefrom $51