$100 Cheap Flights from State College (SCE) to St. Louis (STL)

View $100 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from State College, PA (SCE-University Park) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from State College to St. Louis (SCE-STL)

Prices were available within the past 7 days and start at $100 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 23 - Mon, Oct 27
SCE
State College
STL
St. Louis
$249 Roundtrip, found 5 hours ago
$249
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Oct 23 from State College to St. Louis, returning Mon, Oct 27, priced at $249 found 5 hours ago
American Airlines
Fri, Dec 5 - Mon, Dec 8
SCE
State College
STL
St. Louis
$254 Roundtrip, found 12 hours ago
$254
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Dec 5 from State College to St. Louis, returning Mon, Dec 8, priced at $254 found 12 hours ago
American Airlines
Fri, Jan 30 - Mon, Feb 2
SCE
State College
STL
St. Louis
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 30 from State College to St. Louis, returning Mon, Feb 2, priced at $254 found 1 day ago
American Airlines
Thu, Oct 2 - Sat, Oct 4
SCE
State College
STL
St. Louis
$259 Roundtrip, found 12 hours ago
$259
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Oct 2 from State College to St. Louis, returning Sat, Oct 4, priced at $259 found 12 hours ago
American Airlines
Fri, Jan 30 - Mon, Feb 2
SCE
State College
STL
St. Louis
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 30 from State College to St. Louis, returning Mon, Feb 2, priced at $259 found 1 day ago
American Airlines
Wed, Oct 8 - Sun, Oct 12
SCE
State College
STL
St. Louis
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from State College to St. Louis, returning Sun, Oct 12, priced at $279 found 1 day ago
United
Fri, Oct 3 - Sun, Oct 5
SCE
State College
STL
St. Louis
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from State College to St. Louis, returning Sun, Oct 5, priced at $283 found 4 days ago
United
Sat, Oct 25 - Fri, Oct 31
SCE
State College
STL
St. Louis
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 25 from State College to St. Louis, returning Fri, Oct 31, priced at $295 found 1 day ago
American Airlines
Mon, Nov 24 - Tue, Dec 9
SCE
State College
STL
St. Louis
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 24 from State College to St. Louis, returning Tue, Dec 9, priced at $299 found 2 days ago
American Airlines
Mon, Nov 24 - Wed, Dec 3
SCE
State College
STL
St. Louis
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Nov 24 from State College to St. Louis, returning Wed, Dec 3, priced at $299 found 2 days ago

Frequently asked questions

How much does a flight from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $100 or cheap return flight from $249 from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL)?
October is the least expensive month to fly from SCE to STL. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SCE to STL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to book a flight with a layover when traveling from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SCE to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) without delays, opt for a flight that leaves University Park Airport (SCE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from SCE to STL are usually more expensive. To lock in the best rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may find a cheap ticket just before your departure.
Is it cheaper to book a SCE to STL flight and hotel package?
Opting for a SCE to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from University Park Airport (SCE) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your SCE to STL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
University Park
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, United
Roundtrip price
$248
Distance
679 mi

Book with confidence

Book with confidence

State College to St. Louis Flights

The cheapest times to fly from State College to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from State College to St. Louis are during the month of October. You can find some of the cheapest flights from State College to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from State College to St. Louis

Sunday is one of the best days to book for cheap flights from State College to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from State College to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from State College to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap State College to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your State College to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

State College to St. Louis Flights

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*Available to One Key members.