Cheap Flights from St. Louis (STL) to Selinsgrove (SEG)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Selinsgrove, PA (SEG-Penn Valley)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG) 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 Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG)?
The cheapest month to fly from STL to SEG is , when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from STL to SEG. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to SEG?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG) last-minute?
Last-minute bookings from STL to SEG are typically more expensive. For the lowest prices, start searching for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a STL to SEG flight and hotel package?
You can save money by securing a STL to SEG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Penn Valley Airport (SEG)?
You can usually reschedule or cancel your STL to SEG flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Penn Valley
Distance
730 mi

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St. Louis to Selinsgrove Flights

The cheapest times to fly from St. Louis to Selinsgrove

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 St. Louis to Selinsgrove are during the month of . You can find some of the cheapest flights from St. Louis to Selinsgrove with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Selinsgrove

Sunday is one of the best days to book for cheap flights from St. Louis to Selinsgrove: 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 St. Louis to Selinsgrove

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 St. Louis to Selinsgrove in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 St. Louis to Selinsgrove 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 St. Louis to Selinsgrove 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.

 

St. Louis to Selinsgrove Flights

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