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Cheap flights from St. Louis to Brazil from $667

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brazil departing on 9/18. 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
10:35 am - 5:45 pmSTL-VCP
29h 10m1 stop
Logo
10:50 pm - 10:02 amVCP-STL
13h 12m1 stop
$667
Find Deal
Thu, Sep 18 - Wed, Oct 22
Logo
10:35 am - 5:45 pmSTL-VCP
29h 10m1 stop
Logo
10:50 pm - 10:02 amVCP-STL
13h 12m1 stop
$673
Find Deal
Sun, Sep 14 - Mon, Oct 20
United Airlines Logo
11:06 am - 8:15 amSTL-GIG
19h 09m1 stop
United Airlines Logo
8:55 pm - 10:39 amGIG-STL
15h 44m1 stop
$1,079United Airlines
Find Deal
Wed, Oct 15 - Fri, Oct 31
United Airlines Logo
5:00 am - 8:15 amSTL-GIG
25h 15m2 stops
United Airlines Logo
8:55 pm - 2:25 pmGIG-STL
19h 30m2 stops
$1,084United Airlines
Find Deal
Wed, Oct 15 - Fri, Oct 31
American Airlines Logo
4:21 pm - 8:45 amSTL-GRU
13h 24m1 stop
American Airlines Logo
12:15 am - 3:50 pmGRU-STL
18h 35m1 stop
$1,085American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
1:52 pm - 8:45 amSTL-GRU
15h 53m2 stops
American Airlines Logo
12:15 am - 3:50 pmGRU-STL
18h 35m1 stop
$1,089American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
LATAM Airlines Logo
4:00 pm - 8:20 amSTL-GIG
13h 20m1 stop
LATAM Airlines Logo
9:30 pm - 10:50 amGIG-STL
16h 20m1 stop
$1,096LATAM Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Delta Logo
9:53 am - 5:40 amSTL-GRU
16h 47m1 stop
Delta Logo
4:30 pm - 9:04 amGRU-STL
19h 34m2 stops
$1,108Delta
Find Deal
Wed, Dec 24 - Wed, Dec 31
LATAM Airlines Logo
5:17 pm - 9:35 amSTL-GRU
13h 18m1 stop
LATAM Airlines Logo
10:40 am - 6:42 pmGRU-STL
35h 02m1 stop
$1,112LATAM Airlines
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Wed, Dec 24 - Wed, Dec 31
Delta Logo
5:17 pm - 1:40 pmSTL-GRU
17h 23m2 stops
Delta Logo
4:30 pm - 9:04 amGRU-STL
19h 34m2 stops
$1,114Delta
Find Deal
Wed, Dec 24 - Wed, Dec 31

American Airlines flights from St. Louis to Brazil

Our best American Airlines deals on St. Louis to Brazil flight tickets
American Airlines
Nov 12
STL4:21 pmLambert-St Louis
13h 24m
1 stop
GRU8:45 amSao Paulo Guarulhos Intl
Nov 18
GRU12:15 amSao Paulo Guarulhos Intl
18h 35m
1 stop
STL3:50 pmLambert-St Louis
$1,085
Find similar
American Airlines
Nov 12
STL1:52 pmLambert-St Louis
15h 53m
2 stops
GRU8:45 amSao Paulo Guarulhos Intl
Nov 18
GRU12:15 amSao Paulo Guarulhos Intl
18h 35m
1 stop
STL3:50 pmLambert-St Louis
$1,089
Find similar
American Airlines
Feb 14
STL12:58 pmLambert-St Louis
14h 22m
2 stops
GRU6:20 amSao Paulo Guarulhos Intl
Feb 20
GRU12:15 amSao Paulo Guarulhos Intl
16h 43m
2 stops
STL1:58 pmLambert-St Louis
$1,124
Find similar

Delta flights from St. Louis to Brazil

Our best Delta deals on St. Louis to Brazil flight tickets
Delta
Dec 24
STL9:53 amLambert-St Louis
16h 47m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Dec 31
GRU4:30 pmSao Paulo Guarulhos Intl
19h 34m
2 stops
STL9:04 amLambert-St Louis
$1,108
Find similar
Delta
Dec 24
STL5:17 pmLambert-St Louis
17h 23m
2 stops
GRU1:40 pmSao Paulo Guarulhos Intl
Dec 31
GRU4:30 pmSao Paulo Guarulhos Intl
19h 34m
2 stops
STL9:04 amLambert-St Louis
$1,114
Find similar
Delta
Feb 14
STL6:00 amLambert-St Louis
20h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Feb 21
GRU9:30 pmSao Paulo Guarulhos Intl
20h 31m
1 stop
STL3:01 pmLambert-St Louis
$1,120
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 August 20, 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

Thu 9/18

10:35 am-5:45 pm

1 stop29h 10m

Sao Paulo Viracopos

Wed 10/22

10:50 pm-10:02 am

1 stop13h 12m

$667

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sun 9/14

10:35 am-5:45 pm

1 stop29h 10m

Sao Paulo Viracopos

Mon 10/20

10:50 pm-10:02 am

1 stop13h 12m

$673

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/15

11:06 am-8:15 am

1 stop19h 09m

Rio de Janeiro–Galeão Intl

Fri 10/31

8:55 pm-10:39 am

1 stop15h 44m

$1,079

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/15

5:00 am-8:15 am

2 stops25h 15m

Rio de Janeiro–Galeão Intl

Fri 10/31

8:55 pm-2:25 pm

2 stops19h 30m

$1,084

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:21 pm-8:45 am

1 stop13h 24m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-3:50 pm

1 stop18h 35m

$1,085

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

1:52 pm-8:45 am

2 stops15h 53m

Sao Paulo Guarulhos Intl

Tue 11/18

12:15 am-3:50 pm

1 stop18h 35m

$1,089

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Fri 1/16

4:00 pm-8:20 am

1 stop13h 20m

Rio de Janeiro–Galeão Intl

Tue 1/20

9:30 pm-10:50 am

1 stop16h 20m

$1,096

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

9:53 am-5:40 am

1 stop16h 47m

Sao Paulo Guarulhos Intl

Wed 12/31

4:30 pm-9:04 am

2 stops19h 34m

$1,108

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

5:17 pm-9:35 am

1 stop13h 18m

Sao Paulo Guarulhos Intl

Wed 12/31

10:40 am-6:42 pm

1 stop35h 02m

$1,112

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/24

5:17 pm-1:40 pm

2 stops17h 23m

Sao Paulo Guarulhos Intl

Wed 12/31

4:30 pm-9:04 am

2 stops19h 34m

$1,114

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $717Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,928 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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