Cheap Flights from Austin (AUS) to Belleville (BLV)

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Belleville, IL (BLV-MidAmerica-St. Louis)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV) cost?
Secure a cheap one-way flight or cheap return flight from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV)?
The cheapest month to fly from AUS to BLV is , when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest AUS to BLV flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV)?
You'll need to take a flight with a layover when traveling from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from AUS to BLV?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various 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 Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV)?
Opt for a flight from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour 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.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV) last-minute?
Waiting until just before your departure to book a ticket from AUS to BLV often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to MidAmerica-St. Louis Airport (BLV)?
If you reserved your AUS to BLV flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket 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, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
MidAmerica-St. Louis
Distance
729 mi

Book with confidence

Austin to Belleville Flights

The cheapest times to fly from Austin to Belleville

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

 

The best time to book a flight from Austin to Belleville

Sunday is one of the best days to book for cheap flights from Austin to Belleville: 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 Austin to Belleville

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 Austin to Belleville 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 Austin to Belleville 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 Austin to Belleville 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.

 

Austin to Belleville Flights

Explore a world of travel with Expedia

*Available to One Key members.