$455 Cheap Flights from St. Louis (STL) to Brasilia (BSB)

View $455 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Brasilia (BSB-Brasilia Intl. - President Juscelino Kubitschek)

Cheap Flights from St. Louis to Brasilia (STL-BSB)

Prices were available within the past 7 days and start at $455 for one-way flights and $754 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 18 - Tue, Dec 2
STL
St. Louis
BSB
Brasília
$754 Roundtrip, found 5 days ago
$754
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Tue, Dec 2, priced at $754 found 5 days ago
American Airlines
Tue, Nov 18 - Wed, Dec 3
STL
St. Louis
BSB
Brasília
$811 Roundtrip, found 5 days ago
$811
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Wed, Dec 3, priced at $811 found 5 days ago
American Airlines
Tue, Nov 18 - Mon, Dec 1
STL
St. Louis
BSB
Brasília
$833 Roundtrip, found 5 days ago
$833
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Mon, Dec 1, priced at $833 found 5 days ago
American Airlines
Tue, Nov 18 - Fri, Dec 5
STL
St. Louis
BSB
Brasília
$845 Roundtrip, found 5 days ago
$845
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Fri, Dec 5, priced at $845 found 5 days ago
American Airlines
Tue, Nov 18 - Sun, Nov 23
STL
St. Louis
BSB
Brasília
$852 Roundtrip, found 5 days ago
$852
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Sun, Nov 23, priced at $852 found 5 days ago
American Airlines
Tue, Nov 18 - Wed, Dec 3
STL
St. Louis
BSB
Brasília
$861 Roundtrip, found 5 days ago
$861
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 18 from St. Louis to Brasília, returning Wed, Dec 3, priced at $861 found 5 days ago
GOL Linhas Aereas S.A.
Sun, Nov 23 - Fri, Dec 5
STL
St. Louis
BSB
Brasília
$882 Roundtrip, found 5 days ago
$882
Roundtrip
found 5 days ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Nov 23 from St. Louis to Brasília, returning Fri, Dec 5, priced at $882 found 5 days ago
Delta
Thu, Oct 16 - Tue, Oct 21
STL
St. Louis
BSB
Brasília
$990 Roundtrip, found 2 days ago
$990
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 16 from St. Louis to Brasília, returning Tue, Oct 21, priced at $990 found 2 days ago
LATAM Airlines Group
Thu, Oct 16 - Tue, Oct 21
STL
St. Louis
BSB
Brasília
$1,005 Roundtrip, found 2 days ago
$1,005
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Thu, Oct 16 from St. Louis to Brasília, returning Tue, Oct 21, priced at $1,005 found 2 days ago
Air Canada
Tue, Oct 14 - Mon, Nov 3
STL
St. Louis
BSB
Brasília
$1,231 Roundtrip, found 2 days ago
$1,231
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Oct 14 from St. Louis to Brasília, returning Mon, Nov 3, priced at $1,231 found 2 days ago

Alternative airports near Brasília

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

Select flight to Brasilia Intl. - President Juscelino Kubitschek BSB. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $1,164
BSB
Brasilia Intl. - President Juscelino Kubitschek
CheapestClosest
Average driving time to city center12 min
Flights from $1,164

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB) cost?
Get a cheap one-way flight from $455 or cheap return flight from $754 from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB)?
Planning your getaway for November is a great way to save, as it's the cheapest month for flights between STL and BSB. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB)?
To find the cheapest airline that'll fly you from STL to BSB, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB) aren't available daily, so you'll need 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 STL to BSB?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time 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 Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB) last-minute?
Last-minute fares from STL to BSB are typically more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book a STL to BSB flight and hotel package?
Securing a STL to BSB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels and then add activities, car rentals and flights 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 Lambert-St. Louis Intl. Airport (STL) to Brasilia Intl. - President Juscelino Kubitschek Airport (BSB)?
If you reserved your STL to BSB flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Brasilia Intl. - President Juscelino Kubitschek
Airlines serving
Air Canada, American Airlines, Copa, Delta, GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$754
Distance
4664 mi

Book with confidence

Book with confidence

St. Louis to Brasilia Flights

The cheapest times to fly from St. Louis to Brasilia

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

 

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

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

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 St. Louis to Brasilia in 2025. You can also book with separate airlines for your outbound and return journeys, from $455 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 St. Louis to Brasilia 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 St. Louis to Brasilia 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.

 

St. Louis to Brasilia Flights

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*Available to One Key members.