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Cheap flights from St. Louis to Brazil from $280

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 4/22. 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

Enter your travel dates to find the best prices.
GOL Logo
11:06 am - 7:55 pm
STL
-
GRU
30h 49m
2 stops
GOL Logo
9:55 pm - 10:24 pm
GRU
-
STL
26h 29m
2 stops
$760GOL
Mon, Apr 13 - Thu, May 14
Multiple Airlines Logo
8:41 am - 4:50 am
STL
-
GRU
18h 09m
1 stop
Multiple Airlines Logo
1:20 am - 11:19 pm
GRU
-
STL
23h 59m
2 stops
$761Multiple Airlines
Mon, Apr 13 - Tue, May 12
GOL Logo
11:06 am - 11:00 pm
STL
-
GRU
33h 54m
2 stops
GOL Logo
6:00 am - 10:24 pm
GRU
-
STL
18h 24m
2 stops
$770GOL
Mon, Apr 13 - Tue, May 12
Multiple Airlines Logo
4:55 pm - 4:50 am
STL
-
GRU
33h 55m
1 stop
Multiple Airlines Logo
1:20 am - 11:19 pm
GRU
-
STL
23h 59m
2 stops
$788Multiple Airlines
Wed, Apr 15 - Tue, May 12
GOL Logo
11:06 am - 1:15 pm
STL
-
GRU
24h 09m
2 stops
GOL Logo
6:00 am - 10:24 pm
GRU
-
STL
18h 24m
2 stops
$798GOL
Wed, Apr 15 - Tue, May 12
Air Canada Logo
4:05 pm - 8:05 pm
STL
-
GIG
26h 00m
2 stops
Air Canada Logo
2:50 pm - 8:05 pm
GIG
-
STL
31h 15m
2 stops
$1,023Air Canada
Thu, Apr 9 - Thu, May 7
Air Canada Logo
4:05 pm - 4:45 pm
STL
-
SDU
22h 40m
2 stops
Air Canada Logo
1:45 pm - 8:05 pm
SDU
-
STL
32h 20m
2 stops
$1,028Air Canada
Sun, Apr 5 - Wed, May 6
LATAM Airlines Logo
12:04 pm - 6:05 am
STL
-
GIG
16h 01m
2 stops
LATAM Airlines Logo
7:00 am - 11:34 pm
GIG
-
STL
18h 34m
2 stops
$1,054LATAM Airlines
Mon, Apr 6 - Wed, May 6
American Airlines Logo
4:13 pm - 12:00 pm
STL
-
GIG
17h 47m
2 stops
American Airlines Logo
10:10 pm - 2:33 pm
GIG
-
STL
18h 23m
2 stops
$1,060American Airlines
Mon, Mar 30 - Mon, Apr 13
United Airlines Logo
6:00 am - 8:15 am
STL
-
GIG
24h 15m
1 stop
United Airlines Logo
9:05 pm - 4:01 pm
GIG
-
STL
20h 56m
1 stop
$1,062United Airlines
Wed, Apr 15 - Tue, May 5

GOL flights from St. Louis to Brazil

Our best GOL deals on St. Louis to Brazil flight tickets
GOL
Apr 13
STL11:06 amLambert-St Louis
30h 49m
2 stops
GRU7:55 pmSao Paulo Guarulhos Intl
May 14
GRU9:55 pmSao Paulo Guarulhos Intl
26h 29m
2 stops
STL10:24 pmLambert-St Louis
$760
GOL
Apr 13
STL11:06 amLambert-St Louis
33h 54m
2 stops
GRU11:00 pmSao Paulo Guarulhos Intl
May 12
GRU6:00 amSao Paulo Guarulhos Intl
18h 24m
2 stops
STL10:24 pmLambert-St Louis
$770
GOL
Apr 15
STL11:06 amLambert-St Louis
24h 09m
2 stops
GRU1:15 pmSao Paulo Guarulhos Intl
May 12
GRU6:00 amSao Paulo Guarulhos Intl
18h 24m
2 stops
STL10:24 pmLambert-St Louis
$798

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Apr 14
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
May 13
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$850
Air Canada
Apr 14
STL4:05 pmLambert-St Louis
39h 45m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
May 13
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$853
Air Canada
Apr 13
STL4:05 pmLambert-St Louis
15h 10m
1 stop
GRU9:15 amSao Paulo Guarulhos Intl
May 14
GRU9:00 pmSao Paulo Guarulhos Intl
25h 05m
1 stop
STL8:05 pmLambert-St Louis
$855

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 February 5, 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

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

11:06 am-7:55 pm

2 stops30h 49m

Sao Paulo Guarulhos Intl

Thu 5/14

9:55 pm-10:24 pm

2 stops26h 29m

$760

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

8:41 am-4:50 am

1 stop18h 09m

Sao Paulo Guarulhos Intl

Tue 5/12

1:20 am-11:19 pm

2 stops23h 59m

$761

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Mon 4/13

11:06 am-11:00 pm

2 stops33h 54m

Sao Paulo Guarulhos Intl

Tue 5/12

6:00 am-10:24 pm

2 stops18h 24m

$770

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 4/15

4:55 pm-4:50 am

1 stop33h 55m

Sao Paulo Guarulhos Intl

Tue 5/12

1:20 am-11:19 pm

2 stops23h 59m

$788

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 4/15

11:06 am-1:15 pm

2 stops24h 09m

Sao Paulo Guarulhos Intl

Tue 5/12

6:00 am-10:24 pm

2 stops18h 24m

$798

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 4/9

4:05 pm-8:05 pm

2 stops26h 00m

Rio de Janeiro–Galeão Intl

Thu 5/7

2:50 pm-8:05 pm

2 stops31h 15m

$1,023

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sun 4/5

4:05 pm-4:45 pm

2 stops22h 40m

Rio de Janeiro Santos Dumont

Wed 5/6

1:45 pm-8:05 pm

2 stops32h 20m

$1,028

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 4/6

12:04 pm-6:05 am

2 stops16h 01m

Rio de Janeiro–Galeão Intl

Wed 5/6

7:00 am-11:34 pm

2 stops18h 34m

$1,054

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 3/30

4:13 pm-12:00 pm

2 stops17h 47m

Rio de Janeiro–Galeão Intl

Mon 4/13

10:10 pm-2:33 pm

2 stops18h 23m

$1,060

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 4/15

6:00 am-8:15 am

1 stop24h 15m

Rio de Janeiro–Galeão Intl

Tue 5/5

9:05 pm-4:01 pm

1 stop20h 56m

$1,062

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 March is also very affordable. Most momondo users find prices during this month for around $918.

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

14h 07m

Direct flights

None
The fastest flight from St. Louis to Brazil takes 14h 07m
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
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,690 reviews
Search Air Canada flights
GOLPriceFrom $970Free CancellationRating
7.3
1,167 reviews
Search GOL flights
LATAM AirlinesPriceFrom $1,044Free CancellationRating
7.5
1,917 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,051Free CancellationRating
7.9
8,149 reviews
Search Delta flights
American AirlinesPriceFrom $1,064Free CancellationRating
7.2
11,234 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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