Cheap flights from St. Louis to Brazil from $470

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 6/4. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Brazil

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
$883Air Canada
Wed, Sep 23 - Wed, 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
$892Air Canada
Wed, Sep 23 - Wed, Sep 30
Delta Logo
5:20 pm - 5:20 pm
STL
-
GIG
22h 00m
2 stops
Delta Logo
1:40 pm - 9:46 am
GIG
-
STL
22h 06m
2 stops
$902Delta
Mon, Jun 1 - Mon, Jun 8
LATAM Airlines Logo
5:20 pm - 5:45 pm
STL
-
GIG
22h 25m
2 stops
LATAM Airlines Logo
5:20 pm - 12:34 pm
GIG
-
STL
21h 14m
2 stops
$904LATAM Airlines
Thu, Jun 4 - Tue, Jun 9
GOL Logo
11:35 am - 7:55 am
STL
-
GRU
42h 20m
2 stops
GOL Logo
9:55 pm - 10:40 pm
GRU
-
STL
26h 45m
2 stops
$909GOL
Sat, Aug 15 - Wed, Aug 19
Delta Logo
5:20 pm - 5:20 pm
STL
-
GIG
22h 00m
2 stops
Delta Logo
7:35 pm - 4:17 pm
GIG
-
STL
22h 42m
2 stops
$910Delta
Mon, Jun 1 - Thu, Jun 11
LATAM Airlines Logo
5:20 pm - 5:45 pm
STL
-
GIG
22h 25m
2 stops
LATAM Airlines Logo
5:15 pm - 12:34 pm
GIG
-
STL
21h 19m
2 stops
$911LATAM Airlines
Thu, Jun 4 - Thu, Jun 11
GOL Logo
11:00 am - 11:45 am
STL
-
POA
22h 45m
2 stops
GOL Logo
5:10 am - 10:53 pm
POA
-
STL
19h 43m
2 stops
$1,049GOL
Thu, Jul 16 - Fri, Jul 24
American Airlines Logo
12:35 pm - 1:10 pm
STL
-
POA
22h 35m
3 stops
American Airlines Logo
6:25 pm - 6:34 pm
POA
-
STL
26h 09m
2 stops
$2,747American Airlines
Sat, Jul 18 - Fri, Jul 24
American Airlines Logo
11:18 am - 10:40 am
STL
-
POA
21h 22m
3 stops
American Airlines Logo
5:05 pm - 11:55 am
POA
-
STL
20h 50m
3 stops
$3,927American Airlines
Thu, Jul 16 - Fri, Jul 24

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
$883
Air Canada
Sep 23
STL8:55 amLambert-St Louis
22h 55m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Sep 30
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$892
Air Canada
Aug 26
STL8:55 amLambert-St Louis
22h 05m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Sep 14
GRU9:00 pmSao Paulo Guarulhos Intl
19h 00m
2 stops
STL2:00 pmLambert-St Louis
$895

GOL flights from St. Louis to Brazil

Our best GOL deals on St. Louis to Brazil flight tickets
GOL
Aug 15
STL11:35 amLambert-St Louis
42h 20m
2 stops
GRU7:55 amSao Paulo Guarulhos Intl
Aug 19
GRU9:55 pmSao Paulo Guarulhos Intl
26h 45m
2 stops
STL10:40 pmLambert-St Louis
$909
GOL
Sep 2
STL11:35 amLambert-St Louis
31h 40m
2 stops
GRU9:15 pmSao Paulo Guarulhos Intl
Sep 16
GRU9:55 pmSao Paulo Guarulhos Intl
27h 17m
2 stops
STL11:12 pmLambert-St Louis
$925
GOL
Sep 2
STL11:35 amLambert-St Louis
31h 40m
2 stops
GRU9:15 pmSao Paulo Guarulhos Intl
Sep 16
GRU9:55 pmSao Paulo Guarulhos Intl
27h 17m
2 stops
STL11:12 pmLambert-St Louis
$935

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 24, 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

Wed 9/23

12:10 pm-9:50 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$883

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/23

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$892

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 6/1

5:20 pm-5:20 pm

2 stops22h 00m

Rio de Janeiro–Galeão Intl

Mon 6/8

1:40 pm-9:46 am

2 stops22h 06m

$902

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 6/4

5:20 pm-5:45 pm

2 stops22h 25m

Rio de Janeiro–Galeão Intl

Tue 6/9

5:20 pm-12:34 pm

2 stops21h 14m

$904

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 8/15

11:35 am-7:55 am

2 stops42h 20m

Sao Paulo Guarulhos Intl

Wed 8/19

9:55 pm-10:40 pm

2 stops26h 45m

$909

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 6/1

5:20 pm-5:20 pm

2 stops22h 00m

Rio de Janeiro–Galeão Intl

Thu 6/11

7:35 pm-4:17 pm

2 stops22h 42m

$910

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 6/4

5:20 pm-5:45 pm

2 stops22h 25m

Rio de Janeiro–Galeão Intl

Thu 6/11

5:15 pm-12:34 pm

2 stops21h 19m

$911

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Thu 7/16

11:00 am-11:45 am

2 stops22h 45m

Porto Alegre Salgado Filho

Fri 7/24

5:10 am-10:53 pm

2 stops19h 43m

$1,049

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sat 7/18

12:35 pm-1:10 pm

3 stops22h 35m

Porto Alegre Salgado Filho

Fri 7/24

6:25 pm-6:34 pm

2 stops26h 09m

$2,747
Quickest round-trip

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Thu 7/16

11:18 am-10:40 am

3 stops21h 22m

Porto Alegre Salgado Filho

Fri 7/24

5:05 pm-11:55 am

3 stops20h 50m

$3,927

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

19h 05m

Direct flights

None
The fastest flight from St. Louis to Brazil takes 19h 05m
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
10,961 reviews
Search Air Canada flights
GOLPriceFrom $888Free CancellationRating
7.3
1,205 reviews
Search GOL flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.4
1,911 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,051Free CancellationRating
7.9
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,667 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.

An easier way to manage your Brazil trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 5/24
Sun 5/31

Find better results for your trip to Brazil

Popular cities in Brazil

Popular flights according to clicks in the last 7 days on momondo