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

Delta, United Airlines, and LATAM 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 35% of people opting to fly with this airline when traveling to Brazil. Keep in mind that there are 4 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 4 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.

$486 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 6:40 amSTL Lambert-St Louis-POA Porto Alegre Salgado Filho

18h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

3:00 pm - 10:48 amPOA Porto Alegre Salgado Filho-STL Lambert-St Louis

22h 48m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson

$916LATAM Airlines

Mon, Mar 1 - Wed, Mar 3

4:26 pm - 2:50 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

31h 24m2 stops Orlando Punta Cana

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

26h 12m2 stops Punta Cana Orlando Sanford Intl

$921Multiple Airlines

Mon, Nov 16 - Mon, Nov 30

9:00 am - 6:40 amSTL Lambert-St Louis-POA Porto Alegre Salgado Filho

18h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

3:00 pm - 10:48 amPOA Porto Alegre Salgado Filho-STL Lambert-St Louis

22h 48m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson

$932LATAM Airlines

Mon, Mar 1 - Wed, Mar 3

7:29 am - 8:00 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

21h 31m2 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

11:56 am - 10:25 amSTL Lambert-St Louis-POA Porto Alegre Salgado Filho

19h 29m3 stops Chicago O'Hare Intl Miami Sao Paulo Guarulhos Intl

6:30 pm - 9:24 amPOA Porto Alegre Salgado Filho-STL Lambert-St Louis

17h 54m2 stops Sao Paulo Guarulhos Intl Dallas/Fort Worth

$1,089GOL

Mon, Mar 1 - Wed, Mar 3

5:00 am - 6:15 amSTL Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl

23h 15m1 stop Miami

11:55 pm - 5:27 pmGIG Rio de Janeiro–Galeão Intl-STL Lambert-St Louis

19h 32m1 stop Miami

$1,223American Airlines

Tue, Mar 16 - Mon, Mar 22

10:07 am - 12:00 pmSTL Lambert-St Louis-FOR Fortaleza Pinto Martins

22h 53m2 stops Miami Sao Paulo Guarulhos Intl

6:15 pm - 5:25 pmFOR Fortaleza Pinto Martins-STL Lambert-St Louis

26h 10m2 stops Sao Paulo Guarulhos Intl Miami

$1,270American Airlines

Thu, Nov 26 - Thu, Dec 3

10:37 am - 7:15 amSTL Lambert-St Louis-BSB Brasilia

17h 38m1 stop Miami

5:45 pm - 5:25 pmBSB Brasilia-STL Lambert-St Louis

26h 40m2 stops Rio de Janeiro–Galeão Intl Miami

$1,319GOL

Wed, Nov 25 - Wed, Dec 2

2:55 pm - 9:30 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

15h 35m1 stop Houston George Bush Intcntl

9:30 pm - 12:22 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

17h 52m1 stop Chicago O'Hare Intl

$1,359United Airlines

Mon, Nov 16 - Thu, Dec 3

10:50 am - 10:20 amSTL Lambert-St Louis-GRU Sao Paulo Guarulhos Intl

20h 30m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

10:25 pm - 5:50 pmGRU Sao Paulo Guarulhos Intl-STL Lambert-St Louis

22h 25m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,379United Airlines

Sat, Dec 12 - Thu, Jan 14

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Air Canada flights from St. Louis to Brazil

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

Air Canada

Nov 23

STL4:05 pmLambert-St Louis

37h 55m

2 stops

GRU9:00 amSao Paulo Guarulhos Intl

Dec 11

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,147

Air Canada

Mar 4

STL4:05 pmLambert-St Louis

17h 00m

1 stop

GIG12:05 pmRio de Janeiro–Galeão Intl

Mar 8

GIG3:25 pmRio de Janeiro–Galeão Intl

27h 01m

2 stops

STL3:26 pmLambert-St Louis

$1,179

Air Canada

Nov 23

STL4:05 pmLambert-St Louis

37h 55m

2 stops

GRU9:00 amSao Paulo Guarulhos Intl

Dec 11

GRU9:30 pmSao Paulo Guarulhos Intl

20h 56m

1 stop

STL3:26 pmLambert-St Louis

$1,234

United Airlines flights from St. Louis to Brazil

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

United Airlines

Jan 31

STL6:45 pmLambert-St Louis

35h 50m

2 stops

GIG9:35 amRio de Janeiro–Galeão Intl

Feb 9

GIG9:55 pmRio de Janeiro–Galeão Intl

23h 42m

1 stop

STL6:37 pmLambert-St Louis

$1,246

United Airlines

Mar 4

STL6:15 amLambert-St Louis

24h 20m

1 stop

GIG9:35 amRio de Janeiro–Galeão Intl

Mar 8

GIG9:55 pmRio de Janeiro–Galeão Intl

23h 43m

1 stop

STL6:38 pmLambert-St Louis

$1,269

United Airlines

Mar 4

STL6:15 amLambert-St Louis

24h 20m

1 stop

GIG9:35 amRio de Janeiro–Galeão Intl

Mar 8

GIG9:55 pmRio de Janeiro–Galeão Intl

23h 43m

1 stop

STL6:38 pmLambert-St Louis

$1,273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPorto Alegre

STL Lambert-St Louis - POA Porto Alegre Salgado Filho

STLPOA

Lambert-St Louis

Mon 3/1

9:00 am-6:40 am

2 stops18h 40m

Porto Alegre Salgado Filho

Wed 3/3

3:00 pm-10:48 am

2 stops22h 48m

$916

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 11/16

4:26 pm-2:50 am

2 stops31h 24m

Sao Paulo Guarulhos Intl

Mon 11/30

1:00 am-12:12 am

2 stops26h 12m

$921

St. LouisPorto Alegre

STL Lambert-St Louis - POA Porto Alegre Salgado Filho

STLPOA

Lambert-St Louis

Mon 3/1

9:00 am-6:40 am

2 stops18h 40m

Porto Alegre Salgado Filho

Wed 3/3

3:00 pm-10:48 am

2 stops22h 48m

$932

St. LouisRio de Janeiro

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

STLGIG

Lambert-St Louis

Fri 1/29

7:29 am-8:00 am

2 stops21h 31m

Rio de Janeiro–Galeão Intl

Mon 2/8

5:05 am-9:37 pm

2 stops43h 32m

$963

St. LouisPorto Alegre

STL Lambert-St Louis - POA Porto Alegre Salgado Filho

STLPOA

Lambert-St Louis

Mon 3/1

11:56 am-10:25 am

3 stops19h 29m

Porto Alegre Salgado Filho

Wed 3/3

6:30 pm-9:24 am

2 stops17h 54m

$1,089

St. LouisRio de Janeiro

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

STLGIG

Lambert-St Louis

Tue 3/16

5:00 am-6:15 am

1 stop23h 15m

Rio de Janeiro–Galeão Intl

Mon 3/22

11:55 pm-5:27 pm

1 stop19h 32m

$1,223

St. LouisFortaleza

STL Lambert-St Louis - FOR Fortaleza Pinto Martins

STLFOR

Lambert-St Louis

Thu 11/26

10:07 am-12:00 pm

2 stops22h 53m

Fortaleza Pinto Martins

Thu 12/3

6:15 pm-5:25 pm

2 stops26h 10m

$1,270

St. LouisBrasilia

STL Lambert-St Louis - BSB Brasilia

STLBSB

Lambert-St Louis

Wed 11/25

10:37 am-7:15 am

1 stop17h 38m

Brasilia

Wed 12/2

5:45 pm-5:25 pm

2 stops26h 40m

$1,319

Quickest round-trip

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Mon 11/16

2:55 pm-9:30 am

1 stop15h 35m

Sao Paulo Guarulhos Intl

Thu 12/3

9:30 pm-12:22 pm

1 stop17h 52m

$1,359

St. LouisSao Paulo

STL Lambert-St Louis - GRU Sao Paulo Guarulhos Intl

STLGRU

Lambert-St Louis

Sat 12/12

10:50 am-10:20 am

2 stops20h 30m

Sao Paulo Guarulhos Intl

Thu 1/14

10:25 pm-5:50 pm

2 stops22h 25m

$1,379

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	$486
Fastest flight time	13h 37m
Direct flights	None

The best one-way flight to Brazil from St. Louis in the past 72 hours is $486. The best round-trip flight deal from St. Louis to Brazil found on momondo in the last 72 hours is $916.

The fastest flight from St. Louis to Brazil takes 13h 37m

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 4 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 1,325 reviews	Search GOL flights
American Airlines	PriceFrom $1,064	Free Cancellation	Rating 7.0 12,169 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $1,188	Free Cancellation	Rating 7.4 1,972 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $1,292	Free Cancellation	Rating 7.4 10,365 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.