Cheap Flights from St. Louis (STL) to Reading (RDG)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Reading, PA (RDG-Reading Regional)

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Alternative airports near Reading

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lancaster, PA LNS. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $522
LNS
Lancaster, PA
Cheapest
Average driving time to city center36 min
Flights from $522
Flights from St. Louis (STL) to Reading (RDG)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Reading Regional
Distance
774 mi

St. Louis to Reading Flights

The cheapest times to fly from St. Louis to Reading

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

 

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

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

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 Reading 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 Reading 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 Reading 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional) cost?
Discover the latest flight deals from STL to RDG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to RDG?
The cheapest flights from STL to RDG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to RDG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to RDG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to RDG?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, airline and other factors.*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 Reading, PA (RDG-Reading Regional)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be 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.
What airports do you fly into for Reading from Lambert-St. Louis Intl. Airport (STL)?
Philadelphia Intl. Airport (PHL) is the only airport in Reading with direct flights from Lambert-St. Louis Intl. Airport (STL). Explore your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional) last-minute?
Booking your flight from STL to RDG right before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a STL to RDG flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to RDG flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Reading, PA (RDG-Reading Regional)?
It's generally possible to reschedule or cancel your STL to RDG flight. However, if the booking was 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.

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