Cheap flights from St. Louis to Brazil from $408

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 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 9:50 am
STL
-
GRU
19h 40m
1 stop
Air Canada Logo
9:00 pm - 6:41 pm
GRU
-
STL
23h 41m
1 stop
$833Air Canada
ons., sep. 23 - ons., sep. 30
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 6:41 pm
GRU
-
STL
23h 41m
1 stop
$841Air Canada
ons., sep. 2 - ons., sep. 16
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 2:00 pm
GRU
-
STL
19h 00m
2 stops
$849Air Canada
ons., sep. 2 - ons., sep. 16
GOL Logo
11:00 am - 11:55 am
STL
-
CGH
22h 55m
2 stops
GOL Logo
6:00 am - 10:53 pm
CGH
-
STL
18h 53m
2 stops
$895GOL
tir., juli 7 - lør., juli 25
GOL Logo
11:00 am - 10:45 am
STL
-
VCP
21h 45m
2 stops
GOL Logo
6:00 pm - 10:24 am
VCP
-
STL
18h 24m
2 stops
$1,019GOL
tir., juli 7 - lør., juli 25
LATAM Airlines Logo
10:51 am - 6:10 am
STL
-
GIG
17h 19m
2 stops
LATAM Airlines Logo
9:00 pm - 9:46 am
GIG
-
STL
14h 46m
1 stop
$1,162LATAM Airlines
tir., juni 9 - tir., juni 23
LATAM Airlines Logo
7:03 pm - 8:55 am
STL
-
GIG
35h 52m
2 stops
LATAM Airlines Logo
7:00 am - 11:56 pm
GIG
-
STL
18h 56m
2 stops
$1,200LATAM Airlines
lør., juni 27 - man., juli 6
American Airlines Logo
11:06 am - 10:20 am
STL
-
GIG
21h 14m
2 stops
American Airlines Logo
10:10 pm - 10:34 am
GIG
-
STL
14h 24m
1 stop
$1,243American Airlines
ons., maj 20 - ons., maj 27
American Airlines Logo
11:06 am - 10:20 am
STL
-
GIG
21h 14m
2 stops
American Airlines Logo
10:10 pm - 7:00 pm
GIG
-
STL
22h 50m
2 stops
$1,248American Airlines
ons., maj 20 - ons., maj 27
Delta Logo
4:25 pm - 1:10 pm
STL
-
SDU
18h 45m
2 stops
Delta Logo
8:15 pm - 3:14 pm
SDU
-
STL
20h 59m
2 stops
$1,329Delta
fre., juni 5 - tir., juni 9

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Sep 23
STL12:10 pmLambert-St Louis
19h 40m
1 stop
GRU9:50 amSao Paulo Guarulhos Intl
Sep 30
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$833
Air Canada
Sep 2
STL8:55 amLambert-St Louis
22h 55m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Sep 16
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$841
Air Canada
Sep 2
STL8:55 amLambert-St Louis
22h 55m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Sep 16
GRU9:00 pmSao Paulo Guarulhos Intl
19h 00m
2 stops
STL2:00 pmLambert-St Louis
$849

LATAM Airlines flights from St. Louis to Brazil

Our best LATAM Airlines deals on St. Louis to Brazil flight tickets
LATAM Airlines
Jun 9
STL10:51 amLambert-St Louis
17h 19m
2 stops
GIG6:10 amRio de Janeiro–Galeão Intl
Jun 23
GIG9:00 pmRio de Janeiro–Galeão Intl
14h 46m
1 stop
STL9:46 amLambert-St Louis
$1,162
LATAM Airlines
Aug 19
STL9:00 amLambert-St Louis
18h 40m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Aug 30
GRU11:45 pmSao Paulo Guarulhos Intl
34h 21m
2 stops
STL8:06 amLambert-St Louis
$1,163
LATAM Airlines
Aug 20
STL11:51 amLambert-St Louis
15h 49m
1 stop
GRU5:40 amSao Paulo Guarulhos Intl
Aug 29
GRU7:15 pmSao Paulo Guarulhos Intl
19h 38m
2 stops
STL12:53 pmLambert-St Louis
$1,195

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 april 10, 2026.
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

Cheapest round-trip

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

ons. 9/23

12:10 pm-9:50 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

ons. 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$833

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

ons. 9/2

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

ons. 9/16

9:00 pm-6:41 pm

1 stop23h 41m

$841

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

ons. 9/2

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

ons. 9/16

9:00 pm-2:00 pm

2 stops19h 00m

$849

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

tir. 7/7

11:00 am-11:55 am

2 stops22h 55m

Sao Paulo Congonhas

lør. 7/25

6:00 am-10:53 pm

2 stops18h 53m

$895

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

tir. 7/7

11:00 am-10:45 am

2 stops21h 45m

Sao Paulo Viracopos

lør. 7/25

6:00 pm-10:24 am

2 stops18h 24m

$1,019
Quickest round-trip

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

tir. 6/9

10:51 am-6:10 am

2 stops17h 19m

Rio de Janeiro–Galeão Intl

tir. 6/23

9:00 pm-9:46 am

1 stop14h 46m

$1,162

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

lør. 6/27

7:03 pm-8:55 am

2 stops35h 52m

Rio de Janeiro–Galeão Intl

man. 7/6

7:00 am-11:56 pm

2 stops18h 56m

$1,200

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

ons. 5/20

11:06 am-10:20 am

2 stops21h 14m

Rio de Janeiro–Galeão Intl

ons. 5/27

10:10 pm-10:34 am

1 stop14h 24m

$1,243

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

ons. 5/20

11:06 am-10:20 am

2 stops21h 14m

Rio de Janeiro–Galeão Intl

ons. 5/27

10:10 pm-7:00 pm

2 stops22h 50m

$1,248

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

fre. 6/5

4:25 pm-1:10 pm

2 stops18h 45m

Rio de Janeiro Santos Dumont

tir. 6/9

8:15 pm-3:14 pm

2 stops20h 59m

$1,329

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

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

Fastest flight time

12h 01m

Direct flights

None
The fastest flight from St. Louis to Brazil takes 12h 01m
There are no direct flights from St. Louis to Brazil. There are no popular flight routes from St. Louis to Brazil.

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?

  • 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
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,915 reviews
Search Air Canada flights
GOLPriceFrom $888Free CancellationRating
7.3
1,199 reviews
Search GOL flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.4
1,910 reviews
Search LATAM Airlines flights
DeltaPriceFrom $998Free CancellationRating
7.9
8,402 reviews
Search Delta flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,564 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.

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1 adult
søn. 5/10
søn. 5/17

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