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Cheap flights from St. Louis to Rio de Janeiro from $516

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 Rio de Janeiro departing on 9/23. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 2:50 pmSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
19h 45m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
9:00 pm - 3:26 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
21h 26m1 stop Toronto Pearson Intl
$991Air Canada
Mon, Nov 9 - Wed, Nov 25
Air Canada Logo
4:05 pm - 12:05 pmSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
17h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 pm - 3:26 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
25h 21m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$992Air Canada
Tue, Nov 10 - Tue, Nov 24
Air Canada Logo
4:05 pm - 12:05 pmSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
17h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 pm - 3:26 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
25h 21m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,002Air Canada
Sat, Nov 7 - Wed, Nov 11
Delta Logo
7:00 am - 9:50 amSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
23h 50m1 stop New York LaGuardia
Delta Logo
9:05 pm - 2:43 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
20h 38m1 stop Atlanta Hartsfield-Jackson
$1,003Delta
Mon, Jan 11 - Mon, Jan 25
Delta Logo
5:37 pm - 6:10 pmSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
21h 33m2 stops Atlanta Hartsfield-Jackson Buenos Aires Ministro Pistarini
Delta Logo
9:05 pm - 1:26 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
19h 21m1 stop Atlanta Hartsfield-Jackson
$1,004Delta
Wed, Nov 11 - Wed, Nov 25
Delta Logo
10:45 am - 9:50 amSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
20h 05m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
9:05 pm - 2:43 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
20h 38m1 stop Atlanta Hartsfield-Jackson
$1,007Delta
Wed, Jan 6 - Thu, Jan 21
United Airlines Logo
5:55 pm - 9:35 amSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
36h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
9:55 pm - 4:50 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
21h 55m1 stop Houston George Bush Intcntl
$1,012United Airlines
Mon, Nov 9 - Tue, Nov 24
American Airlines Logo
6:20 pm - 2:10 pmSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
17h 50m2 stops Miami Sao Paulo Guarulhos Intl
American Airlines Logo
10:10 pm - 6:43 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
22h 33m2 stops Miami Charlotte Douglas
$1,014American Airlines
Wed, Oct 7 - Mon, Oct 19
United Airlines Logo
5:55 pm - 9:35 amSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
36h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
9:55 pm - 3:43 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
20h 48m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,017United Airlines
Mon, Nov 9 - Tue, Nov 24
United Airlines Logo
6:50 pm - 9:35 amSTL  Lambert-St Louis-GIG Rio de Janeiro–Galeão Intl
35h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
9:55 pm - 3:43 pmGIG  Rio de Janeiro–Galeão Intl-STL Lambert-St Louis
20h 48m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,024United Airlines
Mon, Nov 9 - Tue, Nov 24

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Delta flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

Our best Delta deals on St. Louis to Rio de Janeiro–Galeão Intl Airport flight tickets
Delta
Jan 11
STL7:00 amLambert-St Louis
23h 50m
1 stop
GIG9:50 amRio de Janeiro–Galeão Intl
Jan 25
GIG9:05 pmRio de Janeiro–Galeão Intl
20h 38m
1 stop
STL2:43 pmLambert-St Louis
$1,003
Delta
Nov 11
STL5:37 pmLambert-St Louis
21h 33m
2 stops
GIG6:10 pmRio de Janeiro–Galeão Intl
Nov 25
GIG9:05 pmRio de Janeiro–Galeão Intl
19h 21m
1 stop
STL1:26 pmLambert-St Louis
$1,004
Delta
Jan 6
STL10:45 amLambert-St Louis
20h 05m
2 stops
GIG9:50 amRio de Janeiro–Galeão Intl
Jan 21
GIG9:05 pmRio de Janeiro–Galeão Intl
20h 38m
1 stop
STL2:43 pmLambert-St Louis
$1,007

American Airlines flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

Our best American Airlines deals on St. Louis to Rio de Janeiro–Galeão Intl Airport flight tickets
American Airlines
Oct 7
STL6:20 pmLambert-St Louis
17h 50m
2 stops
GIG2:10 pmRio de Janeiro–Galeão Intl
Oct 19
GIG10:10 pmRio de Janeiro–Galeão Intl
22h 33m
2 stops
STL6:43 pmLambert-St Louis
$1,014
American Airlines
Oct 7
STL5:00 amLambert-St Louis
25h 20m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Oct 19
GIG10:10 pmRio de Janeiro–Galeão Intl
21h 39m
1 stop
STL5:49 pmLambert-St Louis
$1,042
American Airlines
Oct 7
STL6:20 pmLambert-St Louis
17h 50m
2 stops
GIG2:10 pmRio de Janeiro–Galeão Intl
Oct 18
GIG9:55 pmRio de Janeiro–Galeão Intl
20h 58m
2 stops
STL4:53 pmLambert-St Louis
$1,044

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Rio de Janeiro–Galeão Intl Airport 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 August 13, 2026.
Use the filters below to find and compare flights from St. Louis to Rio de Janeiro–Galeão Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Mon 11/9

4:05 pm-2:50 pm

2 stops19h 45m

Rio de Janeiro–Galeão Intl

Wed 11/25

9:00 pm-3:26 pm

1 stop21h 26m

$991

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Tue 11/10

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Tue 11/24

5:05 pm-3:26 pm

2 stops25h 21m

$992

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Sat 11/7

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Wed 11/11

5:05 pm-3:26 pm

2 stops25h 21m

$1,002

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Mon 1/11

7:00 am-9:50 am

1 stop23h 50m

Rio de Janeiro–Galeão Intl

Mon 1/25

9:05 pm-2:43 pm

1 stop20h 38m

$1,003

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Wed 11/11

5:37 pm-6:10 pm

2 stops21h 33m

Rio de Janeiro–Galeão Intl

Wed 11/25

9:05 pm-1:26 pm

1 stop19h 21m

$1,004

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Wed 1/6

10:45 am-9:50 am

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Thu 1/21

9:05 pm-2:43 pm

1 stop20h 38m

$1,007

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Mon 11/9

5:55 pm-9:35 am

1 stop36h 40m

Rio de Janeiro–Galeão Intl

Tue 11/24

9:55 pm-4:50 pm

1 stop21h 55m

$1,012
Quickest round-trip

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Wed 10/7

6:20 pm-2:10 pm

2 stops17h 50m

Rio de Janeiro–Galeão Intl

Mon 10/19

10:10 pm-6:43 pm

2 stops22h 33m

$1,014

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Mon 11/9

5:55 pm-9:35 am

1 stop36h 40m

Rio de Janeiro–Galeão Intl

Tue 11/24

9:55 pm-3:43 pm

2 stops20h 48m

$1,017

St. LouisRio de Janeiro

STL Lambert-St Louis - GIG Rio de Janeiro–Galeão Intl

STLGIG

Lambert-St Louis

Mon 11/9

6:50 pm-9:35 am

2 stops35h 45m

Rio de Janeiro–Galeão Intl

Tue 11/24

9:55 pm-3:43 pm

2 stops20h 48m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Rio de Janeiro–Galeão Intl Airport

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 Rio de Janeiro–Galeão Intl Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a St. Louis to Rio de Janeiro–Galeão Intl Airport flight.

When to book flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Rio de Janeiro–Galeão Intl 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–Galeão Intl Airport (STL to GIG) flight deals and tips

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

Fastest flight time

14h 26m

Direct flights

None
The fastest flight from St. Louis to Rio de Janeiro–Galeão Intl Airport takes 14h 26m
There are no direct flights from St. Louis to Rio de Janeiro–Galeão Intl Airport. There are no popular flight routes from St. Louis to Rio de Janeiro–Galeão Intl Airport.
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Frequently asked questions about flying from St. Louis to Rio de Janeiro–Galeão Intl Airport

  • How far is Lambert-St Louis to Rio de Janeiro–Galeão Intl by plane?

    A flight from Lambert-St Louis to Rio de Janeiro–Galeão Intl will travel around 5216.2 mi. In terms of flight time, this usually takes a little over 14h 26m.

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

    Prices for flights from Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl Airport refresh daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro–Galeão Intl Airport?

    The necessary travel and health documents for your Rio de Janeiro–Galeão Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Rio de Janeiro 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 Rio de Janeiro?

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 Rio de Janeiro from St. Louis.

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

Price alerts on flights to Rio de Janeiro from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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