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Cheap flights from St. Louis to Brazil from $451

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 12/15. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:15 pm - 7:20 pmSTL-VCP
22h 05m1 stop
Multiple Airlines Logo
11:20 pm - 5:57 pmVCP-STL
21h 37m1 stop
$586Multiple Airlines
Find Deal
Sat, Nov 1 - Wed, Nov 5
Multiple Airlines Logo
7:15 pm - 7:20 pmSTL-VCP
22h 05m1 stop
Multiple Airlines Logo
11:20 pm - 10:12 amVCP-STL
37h 52m2 stops
$606Multiple Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 11
LATAM Airlines Logo
1:57 pm - 4:30 pmSTL-GIG
23h 33m2 stops
LATAM Airlines Logo
9:30 pm - 10:50 amGIG-STL
15h 20m1 stop
$1,065LATAM Airlines
Find Deal
Mon, Dec 15 - Tue, Mar 17
LATAM Airlines Logo
9:30 am - 4:30 pmSTL-GIG
28h 00m2 stops
LATAM Airlines Logo
7:15 am - 11:40 pmGIG-STL
18h 25m2 stops
$1,070LATAM Airlines
Find Deal
Mon, Dec 15 - Tue, Mar 17
American Airlines Logo
6:20 pm - 9:25 amSTL-GIG
12h 05m1 stop
American Airlines Logo
11:55 pm - 4:06 pmGIG-STL
19h 11m1 stop
$1,115American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
American Airlines Logo
6:20 pm - 9:25 amSTL-GIG
12h 05m1 stop
American Airlines Logo
10:15 pm - 3:29 pmGIG-STL
20h 14m2 stops
$1,120American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
2:02 pm - 9:35 amSTL-GRU
16h 33m1 stop
Delta Logo
11:45 pm - 4:01 pmGRU-STL
19h 16m1 stop
$1,130Delta
Find Deal
Wed, Dec 10 - Fri, Jan 16
Delta Logo
2:02 pm - 9:35 amSTL-GRU
16h 33m1 stop
Delta Logo
12:55 pm - 9:04 amGRU-STL
23h 09m2 stops
$1,135Delta
Find Deal
Wed, Dec 10 - Fri, Jan 16
United Airlines Logo
6:15 am - 9:35 amSTL-GIG
24h 20m1 stop
United Airlines Logo
9:55 pm - 10:04 amGIG-STL
15h 09m1 stop
$1,167United Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
United Airlines Logo
6:15 am - 9:35 amSTL-GIG
24h 20m1 stop
United Airlines Logo
9:55 pm - 10:39 amGIG-STL
15h 44m1 stop
$1,190United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
13h 55m
1 stop
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:30 pmSao Paulo Guarulhos Intl
20h 59m
1 stop
STL3:29 pmLambert-St Louis
$763
Find similar
Air Canada
Nov 12
STL4:05 pmLambert-St Louis
37h 55m
2 stops
GRU9:00 amSao Paulo Guarulhos Intl
Nov 19
GRU9:45 pmSao Paulo Guarulhos Intl
20h 44m
2 stops
STL3:29 pmLambert-St Louis
$838
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

Delta flights from St. Louis to Brazil

Our best Delta deals on St. Louis to Brazil flight tickets
Delta
Dec 10
STL2:02 pmLambert-St Louis
16h 33m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Jan 16
GRU11:45 pmSao Paulo Guarulhos Intl
19h 16m
1 stop
STL4:01 pmLambert-St Louis
$1,130
Find similar
Delta
Dec 10
STL2:02 pmLambert-St Louis
16h 33m
1 stop
GRU9:35 amSao Paulo Guarulhos Intl
Jan 16
GRU12:55 pmSao Paulo Guarulhos Intl
23h 09m
2 stops
STL9:04 amLambert-St Louis
$1,135
Find similar
Delta
Mar 23
STL10:00 amLambert-St Louis
19h 20m
1 stop
GIG7:20 amRio de Janeiro–Galeão Intl
Mar 25
GIG9:30 pmRio de Janeiro–Galeão Intl
13h 34m
1 stop
STL9:04 amLambert-St Louis
$1,140
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 October 20, 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 - VCP

STLVCP

Lambert-St Louis

Sat 11/1

7:15 pm-7:20 pm

1 stop22h 05m

Sao Paulo Viracopos

Wed 11/5

11:20 pm-5:57 pm

1 stop21h 37m

$586

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Sat 11/1

7:15 pm-7:20 pm

1 stop22h 05m

Sao Paulo Viracopos

Tue 11/11

11:20 pm-10:12 am

2 stops37h 52m

$606

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 12/15

1:57 pm-4:30 pm

2 stops23h 33m

Rio de Janeiro–Galeão Intl

Tue 3/17

9:30 pm-10:50 am

1 stop15h 20m

$1,065

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 12/15

9:30 am-4:30 pm

2 stops28h 00m

Rio de Janeiro–Galeão Intl

Tue 3/17

7:15 am-11:40 pm

2 stops18h 25m

$1,070

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 12/2

6:20 pm-9:25 am

1 stop12h 05m

Rio de Janeiro–Galeão Intl

Tue 12/9

11:55 pm-4:06 pm

1 stop19h 11m

$1,115

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 12/2

6:20 pm-9:25 am

1 stop12h 05m

Rio de Janeiro–Galeão Intl

Tue 12/9

10:15 pm-3:29 pm

2 stops20h 14m

$1,120

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/10

2:02 pm-9:35 am

1 stop16h 33m

Sao Paulo Guarulhos Intl

Fri 1/16

11:45 pm-4:01 pm

1 stop19h 16m

$1,130

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 12/10

2:02 pm-9:35 am

1 stop16h 33m

Sao Paulo Guarulhos Intl

Fri 1/16

12:55 pm-9:04 am

2 stops23h 09m

$1,135

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 12/7

6:15 am-9:35 am

1 stop24h 20m

Rio de Janeiro–Galeão Intl

Sat 12/13

9:55 pm-10:04 am

1 stop15h 09m

$1,167

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 11/17

6:15 am-9:35 am

1 stop24h 20m

Rio de Janeiro–Galeão Intl

Mon 11/24

9:55 pm-10:39 am

1 stop15h 44m

$1,190

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
7,978 reviews
Search Delta flights
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,868 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,337 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,023 reviews
Search American Airlines flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
8,991 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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