Cheap flights from St. Louis to Brazil from $329

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 8/16. 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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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
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 8:00 pm
GRU
-
STL
25h 00m
2 stops
$906Air Canada
Wed, Sep 23 - Wed, Sep 30
LATAM Airlines Logo
4:40 pm - 9:15 pm
STL
-
GIG
25h 35m
2 stops
LATAM Airlines Logo
11:00 am - 8:12 am
GIG
-
STL
24h 12m
2 stops
$951LATAM Airlines
Wed, Nov 25 - Wed, Jan 13
Delta Logo
4:59 pm - 4:35 pm
STL
-
GIG
21h 36m
2 stops
Delta Logo
7:10 am - 11:42 pm
GIG
-
STL
18h 32m
2 stops
$953Delta
Mon, Sep 14 - Thu, Oct 1
United Airlines Logo
8:50 am - 8:15 am
STL
-
GIG
21h 25m
2 stops
United Airlines Logo
9:05 pm - 3:38 pm
GIG
-
STL
20h 33m
2 stops
$957United Airlines
Mon, Sep 7 - Mon, Sep 14
Delta Logo
2:30 pm - 4:35 pm
STL
-
GIG
24h 05m
2 stops
Delta Logo
5:35 pm - 11:42 pm
GIG
-
STL
32h 07m
2 stops
$960Delta
Mon, Sep 14 - Sun, Oct 4
GOL Logo
5:00 am - 11:05 pm
STL
-
GRU
40h 05m
2 stops
GOL Logo
6:00 am - 11:15 pm
GRU
-
STL
19h 15m
2 stops
$962GOL
Wed, Oct 7 - Tue, Oct 13
GOL Logo
4:21 pm - 3:35 pm
STL
-
CGH
20h 14m
2 stops
GOL Logo
6:00 am - 10:32 pm
CGH
-
STL
19h 32m
2 stops
$968GOL
Thu, Nov 5 - Fri, Nov 13
United Airlines Logo
5:30 pm - 8:15 am
STL
-
GIG
36h 45m
2 stops
United Airlines Logo
9:05 pm - 10:59 pm
GIG
-
STL
27h 54m
2 stops
$974United Airlines
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
6:00 pm - 3:20 pm
STL
-
CGH
18h 20m
2 stops
American Airlines Logo
6:55 pm - 10:56 am
CGH
-
STL
19h 01m
2 stops
$1,730American Airlines
Wed, Dec 23 - Wed, Dec 30
American Airlines Logo
12:41 pm - 10:50 am
STL
-
POA
20h 09m
3 stops
American Airlines Logo
6:25 pm - 10:39 am
POA
-
STL
18h 14m
2 stops
$2,711American Airlines
Sun, Aug 9 - Tue, Aug 18

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GOL flights from St. Louis to Brazil

Our best GOL deals on St. Louis to Brazil flight tickets
GOL
Oct 7
STL5:00 amLambert-St Louis
40h 05m
2 stops
GRU11:05 pmSao Paulo Guarulhos Intl
Oct 13
GRU6:00 amSao Paulo Guarulhos Intl
19h 15m
2 stops
STL11:15 pmLambert-St Louis
$962
GOL
Nov 5
STL4:21 pmLambert-St Louis
20h 14m
2 stops
CGH3:35 pmSao Paulo Congonhas
Nov 13
CGH6:00 amSao Paulo Congonhas
19h 32m
2 stops
STL10:32 pmLambert-St Louis
$968
GOL
Oct 8
STL5:33 amLambert-St Louis
39h 32m
2 stops
GRU11:05 pmSao Paulo Guarulhos Intl
Oct 19
GRU6:00 amSao Paulo Guarulhos Intl
37h 23m
2 stops
STL5:23 pmLambert-St Louis
$974

LATAM Airlines flights from St. Louis to Brazil

Our best LATAM Airlines deals on St. Louis to Brazil flight tickets
LATAM Airlines
Nov 25
STL4:40 pmLambert-St Louis
25h 35m
2 stops
GIG9:15 pmRio de Janeiro–Galeão Intl
Jan 13
GIG11:00 amRio de Janeiro–Galeão Intl
24h 12m
2 stops
STL8:12 amLambert-St Louis
$951
LATAM Airlines
Sep 9
STL5:46 pmLambert-St Louis
20h 29m
2 stops
GRU4:15 pmSao Paulo Guarulhos Intl
Sep 15
GRU5:45 pmSao Paulo Guarulhos Intl
19h 10m
2 stops
STL10:55 amLambert-St Louis
$959
LATAM Airlines
Sep 9
STL10:40 amLambert-St Louis
21h 35m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Oct 3
GIG11:10 amRio de Janeiro–Galeão Intl
25h 45m
2 stops
STL10:55 amLambert-St Louis
$984

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 July 2, 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

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-8:00 pm

2 stops25h 00m

$906

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

4:40 pm-9:15 pm

2 stops25h 35m

Rio de Janeiro–Galeão Intl

Wed 1/13

11:00 am-8:12 am

2 stops24h 12m

$951

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 9/14

4:59 pm-4:35 pm

2 stops21h 36m

Rio de Janeiro–Galeão Intl

Thu 10/1

7:10 am-11:42 pm

2 stops18h 32m

$953

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 9/7

8:50 am-8:15 am

2 stops21h 25m

Rio de Janeiro–Galeão Intl

Mon 9/14

9:05 pm-3:38 pm

2 stops20h 33m

$957

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 9/14

2:30 pm-4:35 pm

2 stops24h 05m

Rio de Janeiro–Galeão Intl

Sun 10/4

5:35 pm-11:42 pm

2 stops32h 07m

$960

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 10/7

5:00 am-11:05 pm

2 stops40h 05m

Sao Paulo Guarulhos Intl

Tue 10/13

6:00 am-11:15 pm

2 stops19h 15m

$962

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Thu 11/5

4:21 pm-3:35 pm

2 stops20h 14m

Sao Paulo Congonhas

Fri 11/13

6:00 am-10:32 pm

2 stops19h 32m

$968

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 8/12

5:30 pm-8:15 am

2 stops36h 45m

Rio de Janeiro–Galeão Intl

Tue 8/18

9:05 pm-10:59 pm

2 stops27h 54m

$974
Quickest round-trip

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Wed 12/23

6:00 pm-3:20 pm

2 stops18h 20m

Sao Paulo Congonhas

Wed 12/30

6:55 pm-10:56 am

2 stops19h 01m

$1,730

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Sun 8/9

12:41 pm-10:50 am

3 stops20h 09m

Porto Alegre Salgado Filho

Tue 8/18

6:25 pm-10:39 am

2 stops18h 14m

$2,711

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 July, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $476.

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

Fastest flight time

14h 04m

Direct flights

None
The fastest flight from St. Louis to Brazil takes 14h 04m
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
GOLPriceFrom $888Free CancellationRating
7.3
1,252 reviews
Search GOL flights
DeltaPriceFrom $1,108Free CancellationRating
7.8
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,769 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
Sat 8/1
Sat 8/8

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