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Cheap flights from St. Louis to Rio de Janeiro from $1,376

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:06 pm - 12:25 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
39h 19m2 stops Miami Brasilia
Multiple Airlines Logo
10:10 am - 3:26 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
32h 16m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,376Multiple Airlines
Fri, Jan 29 - Mon, Feb 8
Air Canada Logo
4:05 pm - 1:10 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
18h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
10:05 am - 3:26 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
32h 21m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,558Air Canada
Mon, Feb 1 - Tue, Feb 9
Multiple Airlines Logo
4:05 pm - 10:00 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
26h 55m3 stops Toronto Pearson Intl Santiago Arturo Merino Benitez Porto Alegre Salgado Filho
Multiple Airlines Logo
6:15 am - 3:26 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
36h 11m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,570Multiple Airlines
Fri, Jan 29 - Mon, Feb 8
United Airlines Logo
1:17 pm - 9:45 amSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
17h 28m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
7:15 pm - 2:06 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
21h 51m2 stops Sao Paulo Guarulhos Intl Houston George Bush Intcntl
$1,750United Airlines
Fri, Jan 29 - Mon, Feb 8
United Airlines Logo
8:32 am - 1:10 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
25h 38m2 stops Houston George Bush Intcntl Sao Paulo Guarulhos Intl
United Airlines Logo
6:55 pm - 10:42 amSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
18h 47m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,776United Airlines
Thu, Dec 24 - Thu, Dec 31
United Airlines Logo
1:17 pm - 9:45 amSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
17h 28m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
7:15 pm - 2:06 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
21h 51m2 stops Sao Paulo Guarulhos Intl Houston George Bush Intcntl
$1,790United Airlines
Fri, Jan 29 - Mon, Feb 8
United Airlines Logo
1:00 pm - 1:10 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
21h 10m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl
United Airlines Logo
6:55 pm - 12:13 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
20h 18m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,806United Airlines
Wed, Nov 25 - Wed, Jan 13
GOL Logo
8:00 am - 11:50 amSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
24h 50m2 stops New York LaGuardia Sao Paulo Guarulhos Intl
GOL Logo
6:20 pm - 5:26 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
26h 06m2 stops Sao Paulo Congonhas Miami
$1,825GOL
Thu, Dec 31 - Tue, Jan 5
United Airlines Logo
1:00 pm - 1:10 pmSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
21h 10m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl
United Airlines Logo
6:55 pm - 12:13 pmSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
20h 18m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,832United Airlines
Wed, Nov 25 - Wed, Jan 13
LATAM Airlines Logo
12:29 pm - 9:25 amSTL  Lambert-St Louis-SDU Rio de Janeiro Santos Dumont
17h 56m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
6:20 am - 9:00 amSDU  Rio de Janeiro Santos Dumont-STL Lambert-St Louis
29h 40m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,863LATAM Airlines
Wed, Nov 25 - Sun, Nov 29

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United Airlines flights from St. Louis to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on St. Louis to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Jan 29
STL1:17 pmLambert-St Louis
17h 28m
2 stops
SDU9:45 amRio de Janeiro Santos Dumont
Feb 8
SDU7:15 pmRio de Janeiro Santos Dumont
21h 51m
2 stops
STL2:06 pmLambert-St Louis
$1,750
United Airlines
Dec 24
STL8:32 amLambert-St Louis
25h 38m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Dec 31
SDU6:55 pmRio de Janeiro Santos Dumont
18h 47m
2 stops
STL10:42 amLambert-St Louis
$1,776
United Airlines
Jan 29
STL1:17 pmLambert-St Louis
17h 28m
2 stops
SDU9:45 amRio de Janeiro Santos Dumont
Feb 8
SDU7:15 pmRio de Janeiro Santos Dumont
21h 51m
2 stops
STL2:06 pmLambert-St Louis
$1,790

GOL flights from St. Louis to Rio de Janeiro Santos Dumont Airport

Our best GOL deals on St. Louis to Rio de Janeiro Santos Dumont Airport flight tickets
GOL
Dec 31
STL8:00 amLambert-St Louis
24h 50m
2 stops
SDU11:50 amRio de Janeiro Santos Dumont
Jan 5
SDU6:20 pmRio de Janeiro Santos Dumont
26h 06m
2 stops
STL5:26 pmLambert-St Louis
$1,825
GOL
Dec 4
STL10:35 amLambert-St Louis
22h 45m
2 stops
SDU12:20 pmRio de Janeiro Santos Dumont
Dec 13
SDU5:40 pmRio de Janeiro Santos Dumont
31h 09m
2 stops
STL9:49 pmLambert-St Louis
$1,964
GOL
Nov 25
STL10:37 amLambert-St Louis
20h 48m
2 stops
SDU10:25 amRio de Janeiro Santos Dumont
Jan 13
SDU7:05 amRio de Janeiro Santos Dumont
18h 37m
2 stops
STL10:42 pmLambert-St Louis
$2,273

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Rio de Janeiro Santos Dumont Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Fri 1/29

6:06 pm-12:25 pm

2 stops39h 19m

Rio de Janeiro Santos Dumont

Mon 2/8

10:10 am-3:26 pm

2 stops32h 16m

$1,376

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Mon 2/1

4:05 pm-1:10 pm

2 stops18h 05m

Rio de Janeiro Santos Dumont

Tue 2/9

10:05 am-3:26 pm

2 stops32h 21m

$1,558

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Fri 1/29

4:05 pm-10:00 pm

3 stops26h 55m

Rio de Janeiro Santos Dumont

Mon 2/8

6:15 am-3:26 pm

2 stops36h 11m

$1,570
Quickest round-trip

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Fri 1/29

1:17 pm-9:45 am

2 stops17h 28m

Rio de Janeiro Santos Dumont

Mon 2/8

7:15 pm-2:06 pm

2 stops21h 51m

$1,750

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Thu 12/24

8:32 am-1:10 pm

2 stops25h 38m

Rio de Janeiro Santos Dumont

Thu 12/31

6:55 pm-10:42 am

2 stops18h 47m

$1,776

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Fri 1/29

1:17 pm-9:45 am

2 stops17h 28m

Rio de Janeiro Santos Dumont

Mon 2/8

7:15 pm-2:06 pm

2 stops21h 51m

$1,790

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Wed 11/25

1:00 pm-1:10 pm

2 stops21h 10m

Rio de Janeiro Santos Dumont

Wed 1/13

6:55 pm-12:13 pm

2 stops20h 18m

$1,806

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Thu 12/31

8:00 am-11:50 am

2 stops24h 50m

Rio de Janeiro Santos Dumont

Tue 1/5

6:20 pm-5:26 pm

2 stops26h 06m

$1,825

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Wed 11/25

1:00 pm-1:10 pm

2 stops21h 10m

Rio de Janeiro Santos Dumont

Wed 1/13

6:55 pm-12:13 pm

2 stops20h 18m

$1,832

St. LouisRio de Janeiro

STL Lambert-St Louis - SDU Rio de Janeiro Santos Dumont

STLSDU

Lambert-St Louis

Wed 11/25

12:29 pm-9:25 am

2 stops17h 56m

Rio de Janeiro Santos Dumont

Sun 11/29

6:20 am-9:00 am

2 stops29h 40m

$1,863

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Rio de Janeiro Santos Dumont Airport

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

Cheap St. Louis to Rio de Janeiro Santos Dumont Airport (STL to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Rio de Janeiro Santos Dumont Airport

Best Price Found

$1,376

Fastest flight time

17h 28m

Direct flights

None
The best flight deal from St. Louis to Rio de Janeiro Santos Dumont Airport found on momondo in the last 72 hours is $1,376
The fastest flight from St. Louis to Rio de Janeiro Santos Dumont Airport takes 17h 28m
There are no direct flights from St. Louis to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from St. Louis to Rio de Janeiro Santos Dumont Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Rio de Janeiro Santos Dumont Airport

  • How far is Lambert-St Louis to Rio de Janeiro Santos Dumont by plane?

    Lambert-St Louis and Rio de Janeiro Santos Dumont are 5225.0 mi apart from one another. Typically, this will take 17h 28m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from Lambert-St Louis Airport to Rio de Janeiro Santos Dumont Airport are updated daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Rio de Janeiro Santos Dumont Airport?

    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 Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The required travel and health documents for your Rio de Janeiro Santos Dumont Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rio de Janeiro Santos Dumont Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from St. Louis to Rio de Janeiro Santos Dumont Airport

  • How do I get Price Alerts for flights from St. Louis to Rio de Janeiro Santos Dumont Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Rio de Janeiro Santos Dumont Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to Rio de Janeiro Santos Dumont Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Rio de Janeiro?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Rio de Janeiro for you.

Can I find flights from St. Louis to Rio de Janeiro with flexible booking policies on momondo?

All flight searches from St. Louis to Rio de Janeiro on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Rio de Janeiro?

momondo helps you find the best flight between St. Louis and Rio de Janeiro 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 Rio de Janeiro right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Rio de Janeiro 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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