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Cheap flights from St. Louis to Sao Paulo from $373

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 Sao Paulo departing on 5/17. 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

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Find the cheapest flights from St. Louis to Sao Paulo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 9:50 am
STL
-
GRU
19h 40m
1 stop
Air Canada Logo
9:00 pm - 6:41 pm
GRU
-
STL
23h 41m
1 stop
$833Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 6:41 pm
GRU
-
STL
23h 41m
1 stop
$841Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
8:55 am - 9:50 am
STL
-
GRU
22h 55m
2 stops
Air Canada Logo
9:00 pm - 2:00 pm
GRU
-
STL
19h 00m
2 stops
$849Air Canada
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
1:05 pm - 9:50 am
STL
-
GRU
18h 45m
1 stop
Air Canada Logo
9:00 pm - 8:25 pm
GRU
-
STL
25h 25m
1 stop
$870Air Canada
Wed, Jun 3 - Wed, Jun 24
Air Canada Logo
7:05 am - 9:00 am
STL
-
GRU
23h 55m
1 stop
Air Canada Logo
9:00 pm - 8:25 pm
GRU
-
STL
25h 25m
1 stop
$874Air Canada
Wed, Jun 3 - Wed, Jun 24
Air Canada Logo
7:05 am - 9:50 am
STL
-
GRU
24h 45m
2 stops
Air Canada Logo
9:00 pm - 8:25 pm
GRU
-
STL
25h 25m
1 stop
$878Air Canada
Wed, Jun 3 - Wed, Jun 24
Multiple Airlines Logo
4:19 pm - 5:35 am
STL
-
VCP
35h 16m
1 stop
Multiple Airlines Logo
10:45 pm - 8:55 am
VCP
-
STL
36h 10m
2 stops
$976Multiple Airlines
Mon, May 11 - Mon, May 18
GOL Logo
11:04 am - 10:40 am
STL
-
VCP
45h 36m
2 stops
GOL Logo
6:00 pm - 10:35 am
VCP
-
STL
18h 35m
2 stops
$1,003GOL
Wed, Jun 3 - Wed, Jun 24
GOL Logo
11:15 am - 10:20 am
STL
-
CGH
21h 05m
2 stops
GOL Logo
4:50 pm - 10:35 am
CGH
-
STL
19h 45m
2 stops
$1,272GOL
Thu, Jun 25 - Sun, Jun 28
GOL Logo
11:06 am - 11:15 am
STL
-
CGH
22h 09m
2 stops
GOL Logo
6:30 am - 10:24 pm
CGH
-
STL
17h 54m
2 stops
$1,285GOL
Sun, May 10 - Sun, May 17

GOL flights from St. Louis to Sao Paulo

Our best GOL deals on St. Louis to Sao Paulo flight tickets
GOL
Sep 22
STL5:33 amLambert-St Louis
36h 17m
2 stops
GRU7:50 pmSao Paulo Guarulhos Intl
Sep 29
GRU6:00 amSao Paulo Guarulhos Intl
19h 12m
2 stops
STL11:12 pmLambert-St Louis
$971
GOL
Jun 3
STL11:04 amLambert-St Louis
45h 36m
2 stops
VCP10:40 amSao Paulo Viracopos
Jun 24
VCP6:00 pmSao Paulo Viracopos
18h 35m
2 stops
STL10:35 amLambert-St Louis
$1,003
GOL
Jun 3
STL11:04 amLambert-St Louis
34h 01m
2 stops
GRU11:05 pmSao Paulo Guarulhos Intl
Jun 24
GRU6:00 amSao Paulo Guarulhos Intl
18h 58m
2 stops
STL10:58 pmLambert-St Louis
$1,013

Air Canada flights from St. Louis to Sao Paulo

Our best Air Canada deals on St. Louis to Sao Paulo flight tickets
Air Canada
Sep 23
STL12:10 pmLambert-St Louis
19h 40m
1 stop
GRU9:50 amSao Paulo Guarulhos Intl
Sep 30
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$833
Air Canada
Sep 23
STL8:55 amLambert-St Louis
22h 55m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Sep 30
GRU9:00 pmSao Paulo Guarulhos Intl
23h 41m
1 stop
STL6:41 pmLambert-St Louis
$841
Air Canada
Sep 23
STL8:55 amLambert-St Louis
22h 55m
2 stops
GRU9:50 amSao Paulo Guarulhos Intl
Sep 30
GRU9:00 pmSao Paulo Guarulhos Intl
19h 00m
2 stops
STL2:00 pmLambert-St Louis
$849

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Sao Paulo 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 March 28, 2026.
Use the filters below to find and compare flights from St. Louis to Sao Paulo 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

Wed 9/23

12:10 pm-9:50 am

1 stop19h 40m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$833

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/23

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-6:41 pm

1 stop23h 41m

$841

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 9/23

8:55 am-9:50 am

2 stops22h 55m

Sao Paulo Guarulhos Intl

Wed 9/30

9:00 pm-2:00 pm

2 stops19h 00m

$849

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 6/3

1:05 pm-9:50 am

1 stop18h 45m

Sao Paulo Guarulhos Intl

Wed 6/24

9:00 pm-8:25 pm

1 stop25h 25m

$870

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 6/3

7:05 am-9:00 am

1 stop23h 55m

Sao Paulo Guarulhos Intl

Wed 6/24

9:00 pm-8:25 pm

1 stop25h 25m

$874

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 6/3

7:05 am-9:50 am

2 stops24h 45m

Sao Paulo Guarulhos Intl

Wed 6/24

9:00 pm-8:25 pm

1 stop25h 25m

$878

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Mon 5/11

4:19 pm-5:35 am

1 stop35h 16m

Sao Paulo Viracopos

Mon 5/18

10:45 pm-8:55 am

2 stops36h 10m

$976

St. LouisSao Paulo

STL - VCP

STLVCP

Lambert-St Louis

Wed 6/3

11:04 am-10:40 am

2 stops45h 36m

Sao Paulo Viracopos

Wed 6/24

6:00 pm-10:35 am

2 stops18h 35m

$1,003

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Thu 6/25

11:15 am-10:20 am

2 stops21h 05m

Sao Paulo Congonhas

Sun 6/28

4:50 pm-10:35 am

2 stops19h 45m

$1,272
Quickest round-trip

St. LouisSao Paulo

STL - CGH

STLCGH

Lambert-St Louis

Sun 5/10

11:06 am-11:15 am

2 stops22h 09m

Sao Paulo Congonhas

Sun 5/17

6:30 am-10:24 pm

2 stops17h 54m

$1,285

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 Sao Paulo from

How to get the cheapest flight ticket from St. Louis to Sao Paulo

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

Can stopping save me money on St. Louis to Sao Paulo flights?

You could potentially save up to 38% on your flight if you consider stops on a St. Louis to Sao Paulo flight.

When to book flights from St. Louis to Sao Paulo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sao Paulo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sao Paulo (STL to SAO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sao Paulo

Fastest flight time

16h 14m

Direct flights

None
The fastest flight from St. Louis to Sao Paulo takes 16h 14m
There are no direct flights from St. Louis to Sao Paulo. There are no popular flight routes from St. Louis to Sao Paulo.
Search flight deals

  • How far is Lambert-St Louis to Sao Paulo by plane?

    Lambert-St Louis and Sao Paulo are 5134.3 mi apart from one another. Flights usually cover this in 16h 14m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sao Paulo?

    Prices for flights from Lambert-St Louis Airport to Sao Paulo are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sao Paulo?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sao Paulo?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sao Paulo.

  • What documentation or ID do you need to fly to Sao Paulo?

    The travel and health documents you'll need for your trip to Sao Paulo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sao Paulo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sao Paulo?

Best airlines flying from St. Louis to Sao Paulo

Compare and see reviews for airlines that fly from St. Louis to Sao Paulo with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,856 reviews
Search Air Canada flights
LATAM AirlinesPriceFrom $973Free CancellationRating
7.4
1,901 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,164Free CancellationRating
7.1
11,521 reviews
Search American Airlines flights

Traveling to a place near Sao Paulo?

Book flights to Sao Paulo if you plan to visit one of these locations
Santos
Guarujá

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Why should I use momondo to find a flight deal from St. Louis to Sao Paulo?

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Can I find flights from St. Louis to Sao Paulo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Sao Paulo flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Sao Paulo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sao Paulo from St. Louis.

I’m not ready to book a flight from St. Louis to Sao Paulo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Sao Paulo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Brazil

Fly into one of these airports located in Sao Paulo

Airports listed have a maximum distance of 48.9 mi from Sao Paulo
Sao Paulo Congonhas Airport
Sao Paulo Guarulhos Intl Airport
Sao Paulo Viracopos Airport