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Cheap flights from St. Louis to Brazil from $385

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brazil departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Brazil

Cheap round-trip flights

Logo
4:33 pm - 8:35 amSTL-VCP
13h 02m1 stop
Logo
1:00 pm - 10:46 pmVCP-STL
36h 46m1 stop
$605
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Sat, Nov 15 - Tue, Dec 2
Logo
4:33 pm - 8:35 amSTL-VCP
13h 02m1 stop
Logo
1:00 pm - 10:46 pmVCP-STL
36h 46m1 stop
$636
Find Deal
Sat, Nov 15 - Tue, Dec 2
Delta Logo
10:00 am - 8:20 amSTL-GIG
19h 20m1 stop
Delta Logo
9:30 pm - 3:01 pmGIG-STL
20h 31m1 stop
$1,040Delta
Find Deal
Thu, Feb 5 - Thu, Feb 12
American Airlines Logo
1:20 pm - 8:10 amSTL-GRU
15h 50m1 stop
American Airlines Logo
12:15 am - 4:11 pmGRU-STL
18h 56m1 stop
$1,090American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
1:43 pm - 8:05 amSTL-GRU
15h 22m2 stops
American Airlines Logo
12:15 am - 1:13 pmGRU-STL
15h 58m2 stops
$1,095American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
LATAM Airlines Logo
9:21 am - 5:45 amSTL-GRU
17h 24m2 stops
LATAM Airlines Logo
11:45 pm - 10:04 amGRU-STL
13h 19m1 stop
$1,100LATAM Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 27
LATAM Airlines Logo
5:12 pm - 2:10 pmSTL-GIG
17h 58m2 stops
LATAM Airlines Logo
7:15 am - 9:58 pmGIG-STL
17h 43m2 stops
$1,118LATAM Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
United Airlines Logo
8:20 am - 9:35 amSTL-GIG
23h 15m1 stop
United Airlines Logo
9:55 pm - 2:25 pmGIG-STL
19h 30m2 stops
$1,120United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
1:55 pm - 5:40 amSTL-GRU
12h 45m1 stop
Delta Logo
9:15 pm - 8:16 amGRU-STL
14h 01m1 stop
$1,130Delta
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Thu, Nov 20 - Sun, Nov 30
United Airlines Logo
8:20 am - 2:35 pmSTL-POA
27h 15m2 stops
United Airlines Logo
3:45 pm - 10:39 amPOA-STL
21h 54m2 stops
$1,147United Airlines
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Wed, Nov 5 - Sat, Nov 15

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Oct 28
STL4:05 pmLambert-St Louis
16h 30m
1 stop
GRU10:35 amSao Paulo Guarulhos Intl
Nov 4
GRU9:30 pmSao Paulo Guarulhos Intl
20h 59m
1 stop
STL3:29 pmLambert-St Louis
$742
Find similar
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:45 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL3:29 pmLambert-St Louis
$764
Find similar
Air Canada
Nov 17
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Dec 1
GRU9:45 pmSao Paulo Guarulhos Intl
44h 44m
2 stops
STL3:29 pmLambert-St Louis
$769
Find similar

LATAM Airlines flights from St. Louis to Brazil

Our best LATAM Airlines deals on St. Louis to Brazil flight tickets
LATAM Airlines
Nov 18
STL9:21 amLambert-St Louis
17h 24m
2 stops
GRU5:45 amSao Paulo Guarulhos Intl
Nov 27
GRU11:45 pmSao Paulo Guarulhos Intl
13h 19m
1 stop
STL10:04 amLambert-St Louis
$1,100
Find similar
LATAM Airlines
Dec 6
STL5:12 pmLambert-St Louis
17h 58m
2 stops
GIG2:10 pmRio de Janeiro–Galeão Intl
Dec 13
GIG7:15 amRio de Janeiro–Galeão Intl
17h 43m
2 stops
STL9:58 pmLambert-St Louis
$1,118
Find similar
LATAM Airlines
Dec 7
STL6:00 amLambert-St Louis
20h 45m
2 stops
GRU5:45 amSao Paulo Guarulhos Intl
Jan 11
GRU11:55 pmSao Paulo Guarulhos Intl
26h 45m
2 stops
STL11:40 pmLambert-St Louis
$1,128
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Brazil that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from St. Louis to Brazil that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sat 11/15

4:33 pm-8:35 am

1 stop13h 02m

Sao Paulo Viracopos

Tue 12/2

1:00 pm-10:46 pm

1 stop36h 46m

$605

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sat 11/15

4:33 pm-8:35 am

1 stop13h 02m

Sao Paulo Viracopos

Tue 12/2

1:00 pm-10:46 pm

1 stop36h 46m

$636

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 2/5

10:00 am-8:20 am

1 stop19h 20m

Rio de Janeiro–Galeão Intl

Thu 2/12

9:30 pm-3:01 pm

1 stop20h 31m

$1,040

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

1:20 pm-8:10 am

1 stop15h 50m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-4:11 pm

1 stop18h 56m

$1,090

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

1:43 pm-8:05 am

2 stops15h 22m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-1:13 pm

2 stops15h 58m

$1,095

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Tue 11/18

9:21 am-5:45 am

2 stops17h 24m

Sao Paulo Guarulhos Intl

Thu 11/27

11:45 pm-10:04 am

1 stop13h 19m

$1,100

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sat 12/6

5:12 pm-2:10 pm

2 stops17h 58m

Rio de Janeiro–Galeão Intl

Sat 12/13

7:15 am-9:58 pm

2 stops17h 43m

$1,118

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 10/30

8:20 am-9:35 am

1 stop23h 15m

Rio de Janeiro–Galeão Intl

Thu 11/6

9:55 pm-2:25 pm

2 stops19h 30m

$1,120

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Thu 11/20

1:55 pm-5:40 am

1 stop12h 45m

Sao Paulo Guarulhos Intl

Sun 11/30

9:15 pm-8:16 am

1 stop14h 01m

$1,130

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Wed 11/5

8:20 am-2:35 pm

2 stops27h 15m

Porto Alegre Salgado Filho

Sat 11/15

3:45 pm-10:39 am

2 stops21h 54m

$1,147

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brazil from

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

What is the cheapest month to fly to Brazil?

If you are unable to visit Brazil during the month of April, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around $831.

What is the cheapest day to depart on your flight to Brazil?

The cheapest day to depart from St. Louis to Brazil is on a Tuesday. Travelers who choose to depart for Brazil on a Tuesday will often find tickets for as low as $949. The most expensive day to fly to Brazil is Sunday, with ticket prices averaging around $1,206.

What is the cheapest time of day to depart on your flight to Brazil?

Flying to Brazil from St. Louis in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,059 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Brazil is at noon when prices are around $1,179.

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

You could potentially save up to 28% 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

Direct flights

None
There are no direct flights from St. Louis to Brazil. There are no popular flight routes from St. Louis to Brazil.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $697Free CancellationRating
7.9
7,954 reviews
Search Delta flights
American AirlinesPriceFrom $717Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,929 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.

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