Cheap Flights from St. Louis (STL) to Osage Beach (OSB)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach) 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 Osage Beach, MO (OSB-Grand Glaize-Osage Beach)?
is the cheapest month to fly from STL to OSB. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to OSB flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to OSB?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach)?
To touch down at Osage Beach, MO (OSB-Grand Glaize-Osage Beach) on schedule, select a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance 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 Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach) last-minute?
Booking your ticket from STL to OSB shortly before your getaway is typically more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to OSB flight and hotel package?
Securing a STL to OSB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities 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 Lambert-St. Louis Intl. Airport (STL) to Osage Beach, MO (OSB-Grand Glaize-Osage Beach)?
If you reserved your STL to OSB flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Grand Glaize-Osage Beach
Distance
132 mi

Book with confidence

Book with confidence

St. Louis to Osage Beach Flights

The cheapest times to fly from St. Louis to Osage Beach

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

 

The best time to book a flight from St. Louis to Osage Beach

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

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 Osage Beach 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 Osage Beach 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 Osage Beach 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 Osage Beach Flights

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Explore a world of travel with Expedia

*Available to One Key members.