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

Copa Airlines, United Airlines, and American Airlines are the most popular carriers operating from Lambert-St Louis to Brazil

What airlines fly to Brazil?

GOL, American Airlines and United Airlines are the top three most popular airlines that fly to Brazil from St. Louis according to our data. GOL is the first choice among our users, with 43% 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 October 2026, there are 3 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.

$396 Cheap Flights from St. Louis to Brazil in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Brazil

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 am - 8:00 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

23h 35m2 stops Chicago O'Hare Intl Panama City Tocumen Intl

1:30 am - 12:22 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

37h 52m2 stops Panama City Tocumen Intl Chicago O'Hare Intl

$941Copa Airlines

Tue, Dec 8 - Mon, Dec 14

6:45 pm - 1:25 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

27h 40m2 stops Chicago O'Hare Intl Panama City Tocumen Intl

10:30 am - 9:37 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

38h 07m2 stops Panama City Tocumen Intl Chicago O'Hare Intl

$942Copa Airlines

Tue, Jan 12 - Sun, Jan 17

6:45 pm - 12:30 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

26h 45m2 stops Chicago O'Hare Intl Panama City Tocumen Intl

5:05 am - 9:37 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

43h 32m2 stops Panama City Tocumen Intl Chicago O'Hare Intl

$963Copa Airlines

Fri, Jan 29 - Mon, Feb 8

5:00 am - 6:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

22h 20m1 stop Miami

10:35 pm - 11:31 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

14h 56m1 stop Miami

$1,374American Airlines

Thu, Mar 11 - Sat, Mar 20

10:30 am - 7:10 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

17h 40m2 stops Chicago O'Hare Intl Newark

10:15 pm - 12:15 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

16h 00m1 stop Chicago O'Hare Intl

$1,374United Airlines

Thu, Mar 11 - Sat, Mar 20

10:25 am - 6:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

16h 55m2 stops Chicago O'Hare Intl Miami

12:05 am - 4:10 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

18h 05m2 stops Miami Charlotte Douglas

$1,379American Airlines

Thu, Mar 11 - Fri, Mar 19

5:25 am - 7:15 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

22h 50m1 stop Chicago O'Hare Intl

9:30 pm - 10:42 amGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

16h 12m1 stop Chicago O'Hare Intl

$1,409United Airlines

Thu, Dec 10 - Thu, Dec 17

10:23 am - 8:30 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

19h 07m1 stop Dallas/Fort Worth

10:35 pm - 5:29 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

20h 54m1 stop Miami

$1,414American Airlines

Fri, Mar 12 - Sun, Mar 21

6:06 pm - 11:50 amSTL Lambert-St Louis-FOR Fortaleza Pinto Martins

38h 44m2 stops Miami Sao Paulo Guarulhos Intl

4:55 am - 11:46 pmFOR Fortaleza Pinto Martins-STL Lambert-St Louis

21h 51m2 stops Brasilia Miami

$1,645GOL

Fri, Jan 8 - Fri, Jan 22

10:35 am - 10:55 amSTL Lambert-St Louis-BSB Brasilia

21h 20m2 stops Miami Sao Paulo Guarulhos Intl

9:55 am - 10:35 pmBSB Brasilia-STL Lambert-St Louis

15h 40m1 stop Miami

$1,759GOL

Fri, Dec 11 - Fri, Dec 18

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American Airlines flights from St. Louis to Brazil

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

American Airlines

Nov 23

STL10:37 amLambert-St Louis

19h 48m

1 stop

GIG9:25 amRio de Janeiro–Galeão Intl

Nov 30

GIG11:55 pmRio de Janeiro–Galeão Intl

20h 30m

1 stop

STL5:25 pmLambert-St Louis

$1,273

American Airlines

Mar 27

STL12:21 pmLambert-St Louis

19h 04m

1 stop

GIG9:25 amRio de Janeiro–Galeão Intl

Apr 4

GIG3:25 pmRio de Janeiro–Galeão Intl

22h 06m

2 stops

STL11:31 amLambert-St Louis

$1,291

American Airlines

Mar 11

STL10:25 amLambert-St Louis

16h 55m

2 stops

GRU6:20 amSao Paulo Guarulhos Intl

Mar 19

GRU12:05 amSao Paulo Guarulhos Intl

18h 05m

2 stops

STL4:10 pmLambert-St Louis

$1,379

Air Canada flights from St. Louis to Brazil

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

Air Canada

Mar 2

STL4:05 pmLambert-St Louis

17h 00m

1 stop

GIG12:05 pmRio de Janeiro–Galeão Intl

Mar 10

GIG9:00 pmRio de Janeiro–Galeão Intl

21h 26m

1 stop

STL3:26 pmLambert-St Louis

$1,051

Air Canada

Mar 12

STL4:05 pmLambert-St Louis

39h 20m

2 stops

GRU10:25 amSao Paulo Guarulhos Intl

Mar 21

GRU9:45 pmSao Paulo Guarulhos Intl

43h 41m

2 stops

STL3:26 pmLambert-St Louis

$1,202

Air Canada

Mar 2

STL4:05 pmLambert-St Louis

19h 40m

2 stops

GIG2:45 pmRio de Janeiro–Galeão Intl

Mar 10

GIG9:00 pmRio de Janeiro–Galeão Intl

21h 26m

1 stop

STL3:26 pmLambert-St Louis

$1,207

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRio de Janeiro

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

STLGIG

Lambert-St Louis

Tue 12/8

5:25 am-8:00 am

2 stops23h 35m

Rio de Janeiro–Galeão Intl

Mon 12/14

1:30 am-12:22 pm

2 stops37h 52m

$941

St. LouisRio de Janeiro

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

STLGIG

Lambert-St Louis

Tue 1/12

6:45 pm-1:25 am

2 stops27h 40m

Rio de Janeiro–Galeão Intl

Sun 1/17

10:30 am-9:37 pm

2 stops38h 07m

$942

St. LouisRio de Janeiro

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

STLGIG

Lambert-St Louis

Fri 1/29

6:45 pm-12:30 am

2 stops26h 45m

Rio de Janeiro–Galeão Intl

Mon 2/8

5:05 am-9:37 pm

2 stops43h 32m

$963

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 3/11

5:00 am-6:20 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Sat 3/20

10:35 pm-11:31 am

1 stop14h 56m

$1,374

Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 3/11

10:30 am-7:10 am

2 stops17h 40m

Sao Paulo Guarulhos Intl

Sat 3/20

10:15 pm-12:15 pm

1 stop16h 00m

$1,374

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 3/11

10:25 am-6:20 am

2 stops16h 55m

Sao Paulo Guarulhos Intl

Fri 3/19

12:05 am-4:10 pm

2 stops18h 05m

$1,379

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Thu 12/10

5:25 am-7:15 am

1 stop22h 50m

Sao Paulo Guarulhos Intl

Thu 12/17

9:30 pm-10:42 am

1 stop16h 12m

$1,409

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Fri 3/12

10:23 am-8:30 am

1 stop19h 07m

Sao Paulo Guarulhos Intl

Sun 3/21

10:35 pm-5:29 pm

1 stop20h 54m

$1,414

St. LouisFortaleza

STL Lambert-St Louis - FOR Fortaleza Pinto Martins

STLFOR

Lambert-St Louis

Fri 1/8

6:06 pm-11:50 am

2 stops38h 44m

Fortaleza Pinto Martins

Fri 1/22

4:55 am-11:46 pm

2 stops21h 51m

$1,645

St. LouisBrasilia

STL Lambert-St Louis - BSB Brasilia

STLBSB

Lambert-St Louis

Fri 12/11

10:35 am-10:55 am

2 stops21h 20m

Brasilia

Fri 12/18

9:55 am-10:35 pm

1 stop15h 40m

$1,759

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 March is also very affordable. Most momondo users find prices during this month for around $1,158.

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	$396
Fastest flight time	12h 16m
Direct flights	None

The best one-way flight to Brazil from St. Louis in the past 72 hours is $396. The best round-trip flight deal from St. Louis to Brazil found on momondo in the last 72 hours is $941.

The fastest flight from St. Louis to Brazil takes 12h 16m

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 October 2026, there are 3 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 1,328 reviews	Search GOL flights
American Airlines	PriceFrom $1,064	Free Cancellation	Rating 7.0 12,204 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,292	Free Cancellation	Rating 7.3 10,444 reviews	Search United 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.