Cheap Flights from St. Louis (STL) to Harrison (HRO)

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between STL and Boone County Regional Airport (HRO) was . Cheap fares don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be conveniently cancelled online, but whether you are charged a fee differs between airlines. If you do need to cancel your vacation, follow the instructions in the Customer Service Portal.

Use our "No change fees" filter to find flexible travel options for your flight from STL to Boone County Regional Airport (HRO). This allows you to lock in a fantastic price ahead of time and still have the freedom to make changes without any extra fees. Keep in mind that you'll need to cover the fare difference.

That movie you've been desperate to see will have to wait — the flight distance between Lambert Field and HRO is only 370 kilometres. The captain will be asking you to put your seat upright for touchdown before you know it.

If you want to travel straight from STL to Boone County Airport, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.

Flight prices from Lambert-St. Louis Intl. Airport (STL) to Boone County Airport are available up to 12 months prior to departure on Expedia. And although you may score fantastic last-minute deals, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.