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Cheap flights from St. Louis to Brazil from $396

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 12/24. 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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0 bags

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Cheap round-trip flights

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GOL Logo
5:03 pm - 12:20 pmSTL-CGH
17h 17m2 stops
GOL Logo
4:50 pm - 9:35 pmCGH-STL
30h 45m2 stops
$739GOL
Find Deal
Mon, Mar 30 - Mon, Apr 13
Air Canada Logo
4:05 pm - 9:45 amSTL-GRU
39h 40m2 stops
Air Canada Logo
9:00 pm - 3:24 pmGRU-STL
44h 24m2 stops
$764Air Canada
Find Deal
Mon, Mar 30 - Mon, Apr 13
Delta Logo
11:51 am - 4:00 pmSTL-FOR
26h 09m2 stops
Delta Logo
4:45 pm - 6:04 pmFOR-STL
27h 19m2 stops
$767Delta
Find Deal
Mon, Apr 6 - Wed, Apr 8
LATAM Airlines Logo
11:51 am - 4:00 pmSTL-FOR
26h 09m2 stops
LATAM Airlines Logo
4:45 pm - 6:04 pmFOR-STL
27h 19m2 stops
$831LATAM Airlines
Find Deal
Mon, Apr 6 - Wed, Apr 8
Multiple Airlines Logo
5:03 pm - 10:45 amSTL-GIG
15h 42m2 stops
Multiple Airlines Logo
9:00 pm - 11:50 amGIG-STL
16h 50m1 stop
$969Multiple Airlines
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Wed, Apr 1 - Tue, Apr 7
Multiple Airlines Logo
10:42 am - 5:45 pmSTL-VCP
29h 03m2 stops
Multiple Airlines Logo
10:10 am - 7:13 amVCP-STL
23h 03m1 stop
$997Multiple Airlines
Find Deal
Thu, Mar 12 - Sat, Mar 21
LATAM Airlines Logo
9:59 am - 10:15 amSTL-GIG
21h 16m2 stops
LATAM Airlines Logo
9:30 pm - 11:06 amGIG-STL
16h 36m1 stop
$1,029LATAM Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
Delta Logo
9:59 am - 8:20 amSTL-GIG
19h 21m1 stop
Delta Logo
9:30 pm - 8:53 amGIG-STL
14h 23m1 stop
$1,041Delta
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Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
6:00 pm - 2:25 pmSTL-CGH
17h 25m2 stops
American Airlines Logo
6:10 pm - 10:50 amCGH-STL
19h 40m2 stops
$1,359American Airlines
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Wed, Dec 24 - Wed, Dec 31
American Airlines Logo
6:00 pm - 2:25 pmSTL-CGH
17h 25m2 stops
American Airlines Logo
6:10 pm - 10:50 amCGH-STL
19h 40m2 stops
$1,402American Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31

LATAM Airlines flights from St. Louis to Brazil

Our best LATAM Airlines deals on St. Louis to Brazil flight tickets
LATAM Airlines
Apr 6
STL11:51 amLambert-St Louis
26h 09m
2 stops
FOR4:00 pmFortaleza Pinto Martins
Apr 8
FOR4:45 pmFortaleza Pinto Martins
27h 19m
2 stops
STL6:04 pmLambert-St Louis
$831
Find similar
LATAM Airlines
Jan 12
STL9:59 amLambert-St Louis
21h 16m
2 stops
GIG10:15 amRio de Janeiro–Galeão Intl
Jan 21
GIG9:30 pmRio de Janeiro–Galeão Intl
16h 36m
1 stop
STL11:06 amLambert-St Louis
$1,029
Find similar
LATAM Airlines
Dec 11
STL2:11 pmLambert-St Louis
25h 14m
2 stops
FOR6:25 pmFortaleza Pinto Martins
Jan 17
FOR2:30 pmFortaleza Pinto Martins
23h 35m
2 stops
STL11:05 amLambert-St Louis
$1,031
Find similar

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Mar 30
STL4:05 pmLambert-St Louis
39h 40m
2 stops
GRU9:45 amSao Paulo Guarulhos Intl
Apr 13
GRU9:00 pmSao Paulo Guarulhos Intl
44h 24m
2 stops
STL3:24 pmLambert-St Louis
$764
Find similar
Air Canada
Mar 23
STL4:05 pmLambert-St Louis
21h 05m
2 stops
GIG3:10 pmRio de Janeiro–Galeão Intl
Mar 25
GIG8:00 pmRio de Janeiro–Galeão Intl
21h 29m
1 stop
STL3:29 pmLambert-St Louis
$965
Find similar
Air Canada
Mar 30
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
Apr 13
GRU9:45 pmSao Paulo Guarulhos Intl
19h 39m
1 stop
STL3:24 pmLambert-St Louis
$994
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 November 15, 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 - CGH

STLCGH

Lambert-St Louis

Mon 3/30

5:03 pm-12:20 pm

2 stops17h 17m

Sao Paulo Congonhas

Mon 4/13

4:50 pm-9:35 pm

2 stops30h 45m

$739

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 3/30

4:05 pm-9:45 am

2 stops39h 40m

Sao Paulo Guarulhos Intl

Mon 4/13

9:00 pm-3:24 pm

2 stops44h 24m

$764

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Mon 4/6

11:51 am-4:00 pm

2 stops26h 09m

Fortaleza Pinto Martins

Wed 4/8

4:45 pm-6:04 pm

2 stops27h 19m

$767

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Mon 4/6

11:51 am-4:00 pm

2 stops26h 09m

Fortaleza Pinto Martins

Wed 4/8

4:45 pm-6:04 pm

2 stops27h 19m

$831

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 4/1

5:03 pm-10:45 am

2 stops15h 42m

Rio de Janeiro–Galeão Intl

Tue 4/7

9:00 pm-11:50 am

1 stop16h 50m

$969

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Thu 3/12

10:42 am-5:45 pm

2 stops29h 03m

Sao Paulo Viracopos

Sat 3/21

10:10 am-7:13 am

1 stop23h 03m

$997

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 1/12

9:59 am-10:15 am

2 stops21h 16m

Rio de Janeiro–Galeão Intl

Wed 1/21

9:30 pm-11:06 am

1 stop16h 36m

$1,029

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 1/12

9:59 am-8:20 am

1 stop19h 21m

Rio de Janeiro–Galeão Intl

Wed 1/21

9:30 pm-8:53 am

1 stop14h 23m

$1,041

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Wed 12/24

6:00 pm-2:25 pm

2 stops17h 25m

Sao Paulo Congonhas

Wed 12/31

6:10 pm-10:50 am

2 stops19h 40m

$1,359

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Wed 12/24

6:00 pm-2:25 pm

2 stops17h 25m

Sao Paulo Congonhas

Wed 12/31

6:10 pm-10:50 am

2 stops19h 40m

$1,402

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 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 $711Free CancellationRating
7.9
8,008 reviews
Search Delta flights
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,877 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,450 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
9,017 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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