$78 Cheap Flights from Nashville (BNA) to St. Louis (STL)

View $78 flight on Wed, Sep 3, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $78 for one-way flights and $155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$155 Roundtrip, found 4 hours ago
$155
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $155 found 4 hours ago
Southern Airways Express
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$161 Roundtrip, found 4 hours ago
$161
Roundtrip
found 4 hours ago
Select Southern Airways Express flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $161 found 4 hours ago
United
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$165 Roundtrip, found 4 hours ago
$165
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $165 found 4 hours ago
Delta
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$166 Roundtrip, found 4 hours ago
$166
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $166 found 4 hours ago
Southern Airways Express
Sun, Oct 26 - Mon, Oct 27
BNA
Nashville
STL
St. Louis
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Southern Airways Express flight, departing Sun, Oct 26 from Nashville to St. Louis, returning Mon, Oct 27, priced at $171 found 3 days ago
Delta
Thu, Sep 11 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 11 from Nashville to St. Louis, returning Tue, Sep 16, priced at $171 found 1 day ago
Southern Airways Express
Fri, Sep 26 - Mon, Sep 29
BNA
Nashville
STL
St. Louis
$172 Roundtrip, found 2 hours ago
$172
Roundtrip
found 2 hours ago
Select Southern Airways Express flight, departing Fri, Sep 26 from Nashville to St. Louis, returning Mon, Sep 29, priced at $172 found 2 hours ago
Southern Airways Express
Fri, Sep 26 - Mon, Sep 29
BNA
Nashville
STL
St. Louis
$173 Roundtrip, found 2 hours ago
$173
Roundtrip
found 2 hours ago
Select Southern Airways Express flight, departing Fri, Sep 26 from Nashville to St. Louis, returning Mon, Sep 29, priced at $173 found 2 hours ago
United
Tue, Sep 9 - Tue, Sep 16
BNA
Nashville
STL
St. Louis
$175 Roundtrip, found 4 hours ago
$175
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Nashville to St. Louis, returning Tue, Sep 16, priced at $175 found 4 hours ago
American Airlines
Thu, Sep 11 - Sun, Sep 14
BNA
Nashville
STL
St. Louis
$246 Roundtrip, found 2 hours ago
$246
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Nashville to St. Louis, returning Sun, Sep 14, priced at $246 found 2 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 - $505 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, Southern Airways Express, Southwest Airlines, United
Roundtrip price
$155
Distance
271 mi
Average flight time
1 hour 18 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 $78 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?
Secure a cheap one-way flight from $78 or cheap return flight from $155 from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Flying in September is a good way to save, as it's the cheapest month for flights between BNA and STL. You'll often find the lowest prices during the off-season.
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 Nashville Intl. Airport (BNA) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BNA to STL flight.
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.

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*Available to One Key members.