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Cheap flights from St. Louis to Brazil from $416

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

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 11:05 amSTL-GIG
17h 00m1 stop
Air Canada Logo
8:00 pm - 3:29 pmGIG-STL
21h 29m1 stop
$696Air Canada
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Sat, Mar 21 - Wed, Mar 25
Delta Logo
5:00 pm - 1:55 amSTL-FOR
29h 55m2 stops
Delta Logo
4:40 pm - 11:36 amFOR-STL
20h 56m2 stops
$766Delta
Find Deal
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
5:11 pm - 4:30 pmSTL-GRU
44h 19m2 stops
Multiple Airlines Logo
11:20 am - 11:33 pmGRU-STL
15h 13m1 stop
$788Multiple Airlines
Find Deal
Sun, Jan 18 - Sat, Jan 31
Multiple Airlines Logo
4:05 pm - 11:05 amSTL-GIG
17h 00m1 stop
Multiple Airlines Logo
2:35 pm - 9:51 pmGIG-STL
33h 16m2 stops
$823Multiple Airlines
Find Deal
Sat, Mar 21 - Wed, Mar 25
GOL Logo
6:07 pm - 7:15 amSTL-GRU
34h 08m2 stops
GOL Logo
6:15 pm - 10:26 amGRU-STL
19h 11m2 stops
$834GOL
Find Deal
Sat, Feb 14 - Sat, Feb 21
GOL Logo
3:22 pm - 8:55 pmSTL-CGH
27h 33m2 stops
GOL Logo
6:30 am - 9:51 pmCGH-STL
17h 21m2 stops
$849GOL
Find Deal
Sat, Mar 21 - Wed, Mar 25
LATAM Airlines Logo
3:47 pm - 8:20 amSTL-GIG
13h 33m1 stop
LATAM Airlines Logo
9:30 pm - 11:45 amGIG-STL
16h 15m1 stop
$1,018LATAM Airlines
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Mon, Feb 23 - Mon, Mar 9
LATAM Airlines Logo
6:00 am - 6:25 amSTL-GIG
21h 25m2 stops
LATAM Airlines Logo
7:15 am - 11:42 pmGIG-STL
18h 27m2 stops
$1,033LATAM Airlines
Find Deal
Mon, Feb 23 - Mon, Mar 9
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
$1,401American 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
$1,443American Airlines
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Wed, Dec 24 - Wed, Dec 31

Air Canada flights from St. Louis to Brazil

Our best Air Canada deals on St. Louis to Brazil flight tickets
Air Canada
Mar 21
STL4:05 pmLambert-St Louis
17h 00m
1 stop
GIG11:05 amRio de Janeiro–Galeão Intl
Mar 25
GIG8:00 pmRio de Janeiro–Galeão Intl
21h 29m
1 stop
STL3:29 pmLambert-St Louis
$696
Find similar
Air Canada
Mar 7
STL4:05 pmLambert-St Louis
17h 00m
1 stop
GIG12:05 pmRio de Janeiro–Galeão Intl
Mar 11
GIG8:00 pmRio de Janeiro–Galeão Intl
21h 29m
1 stop
STL3:29 pmLambert-St Louis
$764
Find similar
Air Canada
Feb 24
STL4:05 pmLambert-St Louis
17h 00m
1 stop
GIG12:05 pmRio de Janeiro–Galeão Intl
Mar 10
GIG3:55 pmRio de Janeiro–Galeão Intl
25h 34m
2 stops
STL3:29 pmLambert-St Louis
$848
Find similar

Delta flights from St. Louis to Brazil

Our best Delta deals on St. Louis to Brazil flight tickets
Delta
Mar 4
STL5:00 pmLambert-St Louis
29h 55m
2 stops
FOR1:55 amFortaleza Pinto Martins
Mar 8
FOR4:40 pmFortaleza Pinto Martins
20h 56m
2 stops
STL11:36 amLambert-St Louis
$766
Find similar
Delta
Feb 24
STL10:13 amLambert-St Louis
19h 07m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Mar 10
GIG9:30 pmRio de Janeiro–Galeão Intl
16h 15m
1 stop
STL11:45 amLambert-St Louis
$1,041
Find similar
Delta
Apr 2
STL7:10 amLambert-St Louis
20h 55m
2 stops
GIG6:05 amRio de Janeiro–Galeão Intl
Apr 6
GIG9:00 pmRio de Janeiro–Galeão Intl
13h 52m
1 stop
STL8:52 amLambert-St Louis
$1,119
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 December 2, 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. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sat 3/21

4:05 pm-11:05 am

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Wed 3/25

8:00 pm-3:29 pm

1 stop21h 29m

$696

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Wed 3/4

5:00 pm-1:55 am

2 stops29h 55m

Fortaleza Pinto Martins

Sun 3/8

4:40 pm-11:36 am

2 stops20h 56m

$766

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 1/18

5:11 pm-4:30 pm

2 stops44h 19m

Sao Paulo Guarulhos Intl

Sat 1/31

11:20 am-11:33 pm

1 stop15h 13m

$788

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sat 3/21

4:05 pm-11:05 am

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Wed 3/25

2:35 pm-9:51 pm

2 stops33h 16m

$823

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sat 2/14

6:07 pm-7:15 am

2 stops34h 08m

Sao Paulo Guarulhos Intl

Sat 2/21

6:15 pm-10:26 am

2 stops19h 11m

$834

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sat 3/21

3:22 pm-8:55 pm

2 stops27h 33m

Sao Paulo Congonhas

Wed 3/25

6:30 am-9:51 pm

2 stops17h 21m

$849

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 2/23

3:47 pm-8:20 am

1 stop13h 33m

Rio de Janeiro–Galeão Intl

Mon 3/9

9:30 pm-11:45 am

1 stop16h 15m

$1,018

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 2/23

6:00 am-6:25 am

2 stops21h 25m

Rio de Janeiro–Galeão Intl

Mon 3/9

7:15 am-11:42 pm

2 stops18h 27m

$1,033

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

$1,401

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

$1,443

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

Fastest flight time

13h 36m

Direct flights

None
The fastest flight from St. Louis to Brazil takes 13h 36m
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
8,011 reviews
Search Delta flights
LATAM AirlinesPriceFrom $756Free CancellationRating
7.5
1,889 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,495 reviews
Search Air Canada flights
American AirlinesPriceFrom $761Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $938Free CancellationRating
7.4
9,063 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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