Cheap Flights from Nashville (BNA) to St. Louis (SUS)

Popular airlines from Nashville International Airport (BNA) to St. Louis, MO (SUS-Spirit of St. Louis)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

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

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $329
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $329
Flights from Nashville (BNA) to St. Louis (SUS)
Origin airport
Nashville Intl.
Destination airport
Spirit of St. Louis
Distance
279 mi

Nashville to St. Louis Flights

The cheapest times to fly from Nashville to St. Louis

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

 

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

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

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 Nashville to St. Louis 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 Nashville to St. Louis 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 Nashville to St. Louis 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 Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS) cost?
Get a cheap one-way flight or cheap return flight from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS)?
The cheapest month to fly from BNA to SUS is , when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS)?
To find the cheapest airline flying from BNA to SUS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS)?
Direct flights from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BNA to SUS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS)?
To arrive at Spirit of St. Louis Airport (SUS) without delays, pick a flight that takes off from Nashville Intl. Airport (BNA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 St. Louis from Nashville Intl. Airport (BNA)?
If you're traveling on a direct flight from Nashville Intl. Airport (BNA) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS) last-minute?
Last-minute fares from BNA to SUS are generally more expensive. For the lowest prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a BNA to SUS flight and hotel package?
Booking a BNA to SUS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add car rentals, flights 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 Nashville Intl. Airport (BNA) to Spirit of St. Louis Airport (SUS)?
In most cases, you're able to reschedule or cancel your BNA to SUS flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.