Cheap flights from St. Louis to Brazil from $352

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 9/5. 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

Discover deals from 900+ travel sites with momondo.

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
4:15 pm - 9:00 am
STL
-
GRU
37h 45m
2 stops
Air Canada Logo
9:30 pm - 3:30 pm
GRU
-
STL
21h 00m
1 stop
$894Air Canada
Sat, Nov 7 - Tue, Nov 17
Multiple Airlines Logo
4:09 pm - 6:00 am
STL
-
VCP
35h 51m
1 stop
Multiple Airlines Logo
10:40 pm - 8:52 am
VCP
-
STL
36h 12m
2 stops
$898Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
GOL Logo
4:21 pm - 9:25 am
STL
-
GIG
14h 04m
1 stop
GOL Logo
11:55 pm - 5:24 pm
GIG
-
STL
20h 29m
1 stop
$949GOL
Wed, Nov 25 - Wed, Jan 13
GOL Logo
4:21 pm - 9:25 am
STL
-
GIG
14h 04m
1 stop
GOL Logo
10:25 pm - 5:24 pm
GIG
-
STL
21h 59m
1 stop
$953GOL
Wed, Nov 25 - Wed, Jan 13
American Airlines Logo
6:08 pm - 8:20 am
STL
-
GIG
12h 12m
1 stop
American Airlines Logo
8:15 pm - 5:23 pm
GIG
-
STL
23h 08m
2 stops
$960American Airlines
Wed, Oct 7 - Mon, Oct 19
LATAM Airlines Logo
4:40 pm - 1:15 pm
STL
-
GRU
17h 35m
2 stops
LATAM Airlines Logo
9:30 pm - 11:39 pm
GRU
-
STL
29h 09m
2 stops
$990LATAM Airlines
Sat, Nov 14 - Tue, Nov 17
American Airlines Logo
7:35 am - 8:20 am
STL
-
GIG
22h 45m
2 stops
American Airlines Logo
8:15 pm - 5:23 pm
GIG
-
STL
23h 08m
2 stops
$991American Airlines
Wed, Oct 7 - Mon, Oct 19
Delta Logo
9:15 am - 6:20 am
STL
-
POA
43h 05m
2 stops
Delta Logo
6:40 am - 4:17 pm
POA
-
STL
35h 37m
2 stops
$1,304Delta
Tue, Aug 11 - Tue, Aug 18
Delta Logo
12:30 pm - 2:10 pm
STL
-
POA
23h 40m
2 stops
Delta Logo
7:35 am - 6:27 pm
POA
-
STL
36h 52m
2 stops
$1,308Delta
Mon, Aug 10 - Mon, Aug 17
LATAM Airlines Logo
4:13 pm - 11:25 pm
STL
-
POA
28h 12m
2 stops
LATAM Airlines Logo
11:00 am - 5:06 pm
POA
-
STL
33h 06m
2 stops
$1,319LATAM Airlines
Tue, Dec 1 - Thu, Dec 3

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.

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Nov 7
STL4:15 pmLambert-St Louis
37h 45m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 17
GRU9:30 pmSao Paulo Guarulhos Intl
21h 00m
1 stop
STL3:30 pmLambert-St Louis
$894
Air Canada
Nov 14
STL4:15 pmLambert-St Louis
37h 45m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 17
GRU9:30 pmSao Paulo Guarulhos Intl
21h 00m
1 stop
STL3:30 pmLambert-St Louis
$899
Air Canada
Nov 14
STL4:15 pmLambert-St Louis
37h 45m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 17
GRU9:30 pmSao Paulo Guarulhos Intl
21h 00m
1 stop
STL3:30 pmLambert-St Louis
$967

GOL flights from St. Louis to Brazil

Our best GOL deals on St. Louis to Brazil flight tickets
GOL
Nov 25
STL4:21 pmLambert-St Louis
14h 04m
1 stop
GIG9:25 amRio de Janeiro–Galeão Intl
Jan 13
GIG11:55 pmRio de Janeiro–Galeão Intl
20h 29m
1 stop
STL5:24 pmLambert-St Louis
$949
GOL
Nov 25
STL4:21 pmLambert-St Louis
14h 04m
1 stop
GIG9:25 amRio de Janeiro–Galeão Intl
Jan 13
GIG10:25 pmRio de Janeiro–Galeão Intl
21h 59m
1 stop
STL5:24 pmLambert-St Louis
$953
GOL
Nov 25
STL1:20 pmLambert-St Louis
21h 45m
2 stops
GIG2:05 pmRio de Janeiro–Galeão Intl
Jan 13
GIG10:30 pmRio de Janeiro–Galeão Intl
15h 35m
1 stop
STL11:05 amLambert-St Louis
$956

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 June 20, 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

Sat 11/7

4:15 pm-9:00 am

2 stops37h 45m

Sao Paulo Guarulhos Intl

Tue 11/17

9:30 pm-3:30 pm

1 stop21h 00m

$894

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 8/12

4:09 pm-6:00 am

1 stop35h 51m

Sao Paulo Viracopos

Wed 8/26

10:40 pm-8:52 am

2 stops36h 12m

$898
Quickest round-trip

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

4:21 pm-9:25 am

1 stop14h 04m

Rio de Janeiro–Galeão Intl

Wed 1/13

11:55 pm-5:24 pm

1 stop20h 29m

$949

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

4:21 pm-9:25 am

1 stop14h 04m

Rio de Janeiro–Galeão Intl

Wed 1/13

10:25 pm-5:24 pm

1 stop21h 59m

$953

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/7

6:08 pm-8:20 am

1 stop12h 12m

Rio de Janeiro–Galeão Intl

Mon 10/19

8:15 pm-5:23 pm

2 stops23h 08m

$960

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 11/14

4:40 pm-1:15 pm

2 stops17h 35m

Sao Paulo Guarulhos Intl

Tue 11/17

9:30 pm-11:39 pm

2 stops29h 09m

$990

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/7

7:35 am-8:20 am

2 stops22h 45m

Rio de Janeiro–Galeão Intl

Mon 10/19

8:15 pm-5:23 pm

2 stops23h 08m

$991

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Tue 8/11

9:15 am-6:20 am

2 stops43h 05m

Porto Alegre Salgado Filho

Tue 8/18

6:40 am-4:17 pm

2 stops35h 37m

$1,304

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Mon 8/10

12:30 pm-2:10 pm

2 stops23h 40m

Porto Alegre Salgado Filho

Mon 8/17

7:35 am-6:27 pm

2 stops36h 52m

$1,308

St. LouisPorto Alegre

STL - POA

STLPOA

Lambert-St Louis

Tue 12/1

4:13 pm-11:25 pm

2 stops28h 12m

Porto Alegre Salgado Filho

Thu 12/3

11:00 am-5:06 pm

2 stops33h 06m

$1,319

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

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
1,235 reviews
Search GOL flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.4
1,940 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,108Free CancellationRating
7.8
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,724 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
Mon 7/20
Mon 7/27

Find better results for your trip to Brazil

Popular cities in Brazil

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