What is the cheapest airline that flies from Lambert-St Louis to Brazil?

United Airlines is the most popular carrier operating from Lambert-St Louis to Brazil

What airlines fly to Brazil?

American Airlines, GOL and United Airlines are the top three most popular airlines that fly to Brazil from St. Louis according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Brazil. Keep in mind that there are 3 different airlines that fly to Brazil on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Brazil?

Prices for flights from Lambert-St Louis Airport to Brazil are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Brazil?

As of September 2026, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Brazil.

How old do you have to be to fly from Lambert-St Louis Airport to Brazil?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Brazil.

What documentation or ID do you need to fly to Brazil?

The travel and health documents required for your trip to Brazil can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brazil. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$455 Cheap Flights from St. Louis to Brazil in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Brazil

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:24 am - 3:13 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 49m1 stop Punta Cana

1:00 am - 12:41 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

26h 41m2 stops Punta Cana Orlando Sanford Intl

$930Multiple Airlines

Sat, Dec 5 - Mon, Dec 7

8:24 am - 3:13 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 49m1 stop Punta Cana

4:13 am - 8:47 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

31h 34m2 stops Punta Cana Orlando Sanford Intl

$946Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

2:29 pm - 5:55 pmSTL Lambert-St Louis-VCP Sao Paulo Viracopos

25h 26m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

9:55 am - 11:13 pmVCP Sao Paulo Viracopos-STL Lambert-St Louis

15h 18m1 stop Orlando

$952Multiple Airlines

Mon, Oct 5 - Mon, Oct 19

2:29 pm - 5:55 pmSTL Lambert-St Louis-VCP Sao Paulo Viracopos

25h 26m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

9:55 am - 11:13 pmVCP Sao Paulo Viracopos-STL Lambert-St Louis

15h 18m1 stop Orlando

$971Multiple Airlines

Wed, Oct 7 - Mon, Oct 19

6:15 am - 8:15 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

24h 00m1 stop Houston George Bush Intcntl

8:55 pm - 4:59 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

22h 04m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,107United Airlines

Tue, Oct 20 - Thu, Oct 29

5:36 pm - 8:15 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

36h 39m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

8:55 pm - 4:50 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

21h 55m1 stop Houston George Bush Intcntl

$1,125United Airlines

Sun, Oct 18 - Wed, Oct 28

11:25 am - 10:15 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

19h 50m2 stops Chicago O'Hare Intl New York John F Kennedy Intl

10:30 pm - 4:28 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

20h 58m1 stop Dallas/Fort Worth

$1,137American Airlines

Fri, Jan 29 - Mon, Feb 8

1:15 pm - 9:30 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

17h 15m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

10:25 pm - 9:58 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 33m1 stop Washington, D.C. Dulles Intl

$1,264United Airlines

Mon, Dec 7 - Mon, Dec 14

6:20 pm - 8:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

12h 00m1 stop Miami

10:00 pm - 7:48 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

23h 48m1 stop Dallas/Fort Worth

$1,364American Airlines

Wed, Oct 7 - Mon, Oct 19

6:07 pm - 8:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

12h 13m1 stop Miami

10:00 pm - 6:20 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

22h 20m1 stop Dallas/Fort Worth

$1,443American Airlines

Fri, Oct 9 - Sun, Oct 18

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LATAM Airlines flights from St. Louis to Brazil

Our best LATAM Airlines deals on St. Louis to Brazil flight tickets

LATAM Airlines

Feb 3

STL9:00 amLambert-St Louis

33h 15m

2 stops

GIG9:15 pmRio de Janeiro–Galeão Intl

Feb 11

GIG7:10 amRio de Janeiro–Galeão Intl

28h 02m

2 stops

STL8:12 amLambert-St Louis

$1,100

LATAM Airlines

Sep 23

STL2:30 pmLambert-St Louis

27h 30m

2 stops

GRU8:00 pmSao Paulo Guarulhos Intl

Sep 30

GRU12:45 pmSao Paulo Guarulhos Intl

22h 15m

2 stops

STL9:00 amLambert-St Louis

$1,130

LATAM Airlines

Oct 31

STL12:00 pmLambert-St Louis

20h 15m

1 stop

GIG10:15 amRio de Janeiro–Galeão Intl

Nov 4

GIG12:20 pmRio de Janeiro–Galeão Intl

23h 57m

2 stops

STL9:17 amLambert-St Louis

$1,133

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets

Air Canada

Oct 11

STL12:10 pmLambert-St Louis

19h 40m

1 stop

GRU9:50 amSao Paulo Guarulhos Intl

Oct 22

GRU9:00 pmSao Paulo Guarulhos Intl

23h 41m

1 stop

STL6:41 pmLambert-St Louis

$1,091

Air Canada

Oct 11

STL12:10 pmLambert-St Louis

19h 40m

1 stop

GRU9:50 amSao Paulo Guarulhos Intl

Oct 20

GRU9:35 pmSao Paulo Guarulhos Intl

24h 45m

1 stop

STL8:20 pmLambert-St Louis

$1,096

Air Canada

Oct 11

STL12:10 pmLambert-St Louis

19h 40m

1 stop

GRU9:50 amSao Paulo Guarulhos Intl

Oct 21

GRU9:35 pmSao Paulo Guarulhos Intl

23h 06m

2 stops

STL6:41 pmLambert-St Louis

$1,099

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sat 12/5

8:24 am-3:13 am

1 stop15h 49m

Sao Paulo Guarulhos Intl

Mon 12/7

1:00 am-12:41 am

2 stops26h 41m

$930

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sat 12/5

8:24 am-3:13 am

1 stop15h 49m

Sao Paulo Guarulhos Intl

Sat 12/12

4:13 am-8:47 am

2 stops31h 34m

$946

St. LouisSao Paulo

STL Lambert-St Louis - VCP Sao Paulo Viracopos

STLVCP

Lambert-St Louis

Mon 10/5

2:29 pm-5:55 pm

2 stops25h 26m

Sao Paulo Viracopos

Mon 10/19

9:55 am-11:13 pm

1 stop15h 18m

$952

St. LouisSao Paulo

STL Lambert-St Louis - VCP Sao Paulo Viracopos

STLVCP

Lambert-St Louis

Wed 10/7

2:29 pm-5:55 pm

2 stops25h 26m

Sao Paulo Viracopos

Mon 10/19

9:55 am-11:13 pm

1 stop15h 18m

$971

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Tue 10/20

6:15 am-8:15 am

1 stop24h 00m

Rio de Janeiro–Galeão Intl

Thu 10/29

8:55 pm-4:59 pm

2 stops22h 04m

$1,107

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Sun 10/18

5:36 pm-8:15 am

2 stops36h 39m

Rio de Janeiro–Galeão Intl

Wed 10/28

8:55 pm-4:50 pm

1 stop21h 55m

$1,125

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Fri 1/29

11:25 am-10:15 am

2 stops19h 50m

Rio de Janeiro–Galeão Intl

Mon 2/8

10:30 pm-4:28 pm

1 stop20h 58m

$1,137

Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 12/7

1:15 pm-9:30 am

2 stops17h 15m

Sao Paulo Guarulhos Intl

Mon 12/14

10:25 pm-9:58 am

1 stop14h 33m

$1,264

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Wed 10/7

6:20 pm-8:20 am

1 stop12h 00m

Sao Paulo Guarulhos Intl

Mon 10/19

10:00 pm-7:48 pm

1 stop23h 48m

$1,364

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Fri 10/9

6:07 pm-8:20 am

1 stop12h 13m

Sao Paulo Guarulhos Intl

Sun 10/18

10:00 pm-6:20 pm

1 stop22h 20m

$1,443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Brazil

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Brazil?

If you are unable to visit Brazil during the month of September, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $1,022.

Can stopping save me money on St. Louis to Brazil flights?

You could potentially save up to 14% on your flight if you consider stops on a St. Louis to Brazil flight.

Cheap St. Louis to Brazil flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Brazil

Best Price Found	$455
Fastest flight time	13h 24m
Direct flights	None

The best one-way flight to Brazil from St. Louis in the past 72 hours is $455. The best round-trip flight deal from St. Louis to Brazil found on momondo in the last 72 hours is $930.

The fastest flight from St. Louis to Brazil takes 13h 24m

There are no direct flights from St. Louis to Brazil. There are no popular flight routes from St. Louis to Brazil.

Search flight deals

Frequently asked questions about flying from St. Louis to Brazil

When did momondo last update prices for flights from Lambert-St Louis Airport to Brazil?
Prices for flights from Lambert-St Louis Airport to Brazil are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Brazil?
As of September 2026, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Brazil.
How old do you have to be to fly from Lambert-St Louis Airport to Brazil?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Brazil.
What documentation or ID do you need to fly to Brazil?
The travel and health documents required for your trip to Brazil can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brazil. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Brazil

Compare and see reviews for airlines that fly from St. Louis to Brazil with momondo

Airline	Rating	Free Cancellation	Price
GOL	PriceFrom $888	Free Cancellation	Rating 7.3 1,292 reviews	Search GOL flights
United Airlines	PriceFrom $1,179	Free Cancellation	Rating 7.4 10,188 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,188	Free Cancellation	Rating 7.1 12,046 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Brazil?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Brazil. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Brazil with flexible booking policies on momondo?

momondo does allow users to show only those flights to Brazil from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Brazil?

momondo helps you find the best flight between St. Louis and Brazil by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Brazil right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Brazil now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brazil and let you know when they change.