$84 Cheap Flights from Nashville (BNA) to St. Louis (STL)

View $84 flight on Thu, Aug 7, 2025Opens in a new window

Popular airlines from Nashville International Airport (BNA) to St. Louis Lambert Intl. Airport (STL)

  • 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

Cheap Flights from Nashville to St. Louis (BNA-STL)

Prices were available within the past 7 days and start at $84 for one-way flights and $172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southern Airways Express
Fri, Sep 5 - Tue, Sep 9
BNA
Nashville
STL
St. Louis
$172 Roundtrip, found 15 hours ago
$172
Roundtrip
found 15 hours ago
Select Southern Airways Express flight, departing Fri, Sep 5 from Nashville to St. Louis, returning Tue, Sep 9, priced at $172 found 15 hours ago
Southern Airways Express
Sun, Sep 28 - Tue, Sep 30
BNA
Nashville
STL
St. Louis
$173 Roundtrip, just found
$173
Roundtrip
just found
Select Southern Airways Express flight, departing Sun, Sep 28 from Nashville to St. Louis, returning Tue, Sep 30, priced at $173 just found
Southern Airways Express
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$173 Roundtrip, found 14 hours ago
$173
Roundtrip
found 14 hours ago
Select Southern Airways Express flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $173 found 14 hours ago
Southwest Airlines
Wed, Aug 27 - Sat, Aug 30
BNA
Nashville
STL
St. Louis
$177 Roundtrip, found 3 hours ago
$177
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Aug 27 from Nashville to St. Louis, returning Sat, Aug 30, priced at $177 found 3 hours ago
Southwest Airlines
Wed, Sep 10 - Mon, Sep 15
BNA
Nashville
STL
St. Louis
$179 Roundtrip, found 14 hours ago
$179
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Nashville to St. Louis, returning Mon, Sep 15, priced at $179 found 14 hours ago
Southern Airways Express
Tue, Aug 19 - Thu, Aug 21
BNA
Nashville
STL
St. Louis
$181 Roundtrip, found 2 hours ago
$181
Roundtrip
found 2 hours ago
Select Southern Airways Express flight, departing Tue, Aug 19 from Nashville to St. Louis, returning Thu, Aug 21, priced at $181 found 2 hours ago
United
Wed, Aug 27 - Sat, Aug 30
BNA
Nashville
STL
St. Louis
$182 Roundtrip, found 3 hours ago
$182
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 27 from Nashville to St. Louis, returning Sat, Aug 30, priced at $182 found 3 hours ago
Delta
Wed, Sep 10 - Mon, Sep 15
BNA
Nashville
STL
St. Louis
$184 Roundtrip, found 14 hours ago
$184
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Sep 10 from Nashville to St. Louis, returning Mon, Sep 15, priced at $184 found 14 hours ago
Southwest Airlines
Tue, Aug 19 - Thu, Aug 21
BNA
Nashville
STL
St. Louis
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Nashville to St. Louis, returning Thu, Aug 21, priced at $186 found 2 hours ago
Frontier Airlines
Sat, Aug 30 - Sun, Aug 31
BNA
Nashville
STL
St. Louis
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Aug 30 from Nashville to St. Louis, returning Sun, Aug 31, priced at $198 found 3 hours ago

Find the cheapest month to fly from Nashville (BNA) to St. Louis (STL)

August is typically the cheapest month to fly

From $144 - $450 per traveler.

Graph displaying average flight prices per month

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 $173
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $173
Flights from Nashville (BNA) to St. Louis (STL)
Origin airport
Nashville Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southern Airways Express, Southwest Airlines, United
Roundtrip price
$172
Distance
271 mi
Average flight time
1 hour 17 mins

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 September. 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 $84 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 Lambert-St. Louis Intl. Airport (STL) cost?
You can score affordable return tickets from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL) starting from $177. Grab a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BNA on August 16 2025 and touching down at STL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BNA to STL?
The cheapest flights from BNA to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Hop on a direct flight with Southwest Airlines and fly straight from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL).
What is the cheapest airline that flies from BNA to STL?
Book a flight from BNA to STL with Southwest Airlines. This airline currently has the cheapest one-way ticket on this route, starting at $89. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BNA on August 16 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Every day, an average of 2 direct flights take off from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL). Pick the departure time that best suits your plans.
What are the most popular departure times for flights from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
The 3 PM departures from BNA to STL are the most sought after. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from BNA to STL?
Sunday has the most flights from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Nashville Intl. Airport (BNA)'s earliest flight to Lambert-St. Louis Intl. Airport (STL) is at approximately 6:45AM UTC-6. With a total travel time of 1h 20m, you'll arrive at around 8:05AM UTC-6.
How long does it take to fly from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Flights from BNA to STL have an average travel time of 1 hour and 16 minutes. The distance between the two airports is 270 mi.
What is the best time to fly from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Later departures are 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 St. Louis from Nashville Intl. Airport (BNA)?
If you're 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 Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your departure to book a flight from BNA to STL generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a BNA to STL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BNA to STL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your BNA to STL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.