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Cheap flights from Rio de Janeiro to St. Louis from $710

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro to St. Louis departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:00 pm - 9:54 am
GIG
-
STL
14h 54m
1 stop
Delta Logo
7:00 am - 10:15 am
STL
-
GIG
25h 15m
1 stop
$888Delta
Mon, Aug 3 - Mon, Aug 10
American Airlines Logo
8:15 pm - 10:39 am
GIG
-
STL
16h 24m
2 stops
American Airlines Logo
12:41 pm - 8:20 am
STL
-
GIG
17h 39m
2 stops
$899American Airlines
Mon, Aug 24 - Sun, Aug 30
American Airlines Logo
10:10 pm - 10:39 am
GIG
-
STL
14h 29m
1 stop
American Airlines Logo
12:41 pm - 8:20 am
STL
-
GIG
17h 39m
2 stops
$911American Airlines
Mon, Aug 24 - Sun, Aug 30
Delta Logo
9:00 pm - 11:21 pm
GIG
-
STL
28h 21m
1 stop
Delta Logo
3:39 pm - 6:20 am
STL
-
GIG
36h 41m
2 stops
$914Delta
Mon, Aug 3 - Mon, Aug 10
Delta Logo
7:10 am - 8:08 am
GIG
-
STL
26h 58m
2 stops
Delta Logo
9:15 am - 6:20 am
STL
-
GIG
19h 05m
2 stops
$921Delta
Mon, Aug 24 - Sun, Aug 30
LATAM Airlines Logo
10:55 pm - 5:06 pm
GIG
-
STL
21h 11m
1 stop
LATAM Airlines Logo
4:40 pm - 7:30 pm
STL
-
GIG
23h 50m
2 stops
$927LATAM Airlines
Thu, Nov 26 - Sun, Jan 3
LATAM Airlines Logo
9:00 pm - 8:08 am
GIG
-
STL
13h 08m
1 stop
LATAM Airlines Logo
5:23 pm - 10:15 am
STL
-
GIG
14h 52m
1 stop
$928LATAM Airlines
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
10:10 pm - 10:45 am
GIG
-
STL
14h 35m
1 stop
American Airlines Logo
11:35 am - 8:20 am
STL
-
GIG
18h 45m
1 stop
$929American Airlines
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
10:10 pm - 6:05 pm
GIG
-
STL
21h 55m
2 stops
American Airlines Logo
10:44 am - 8:20 am
STL
-
GIG
19h 36m
2 stops
$932American Airlines
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
10:10 pm - 4:25 pm
GIG
-
STL
20h 15m
2 stops
American Airlines Logo
10:44 am - 8:20 am
STL
-
GIG
19h 36m
2 stops
$933American Airlines
Tue, Aug 4 - Fri, Aug 14

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LATAM Airlines flights from Rio de Janeiro to St. Louis

Our best LATAM Airlines deals on Rio de Janeiro to St. Louis flight tickets
LATAM Airlines
Nov 26
GIG10:55 pmRio de Janeiro–Galeão Intl
21h 11m
1 stop
STL5:06 pmLambert-St Louis
Jan 3
STL4:40 pmLambert-St Louis
23h 50m
2 stops
GIG7:30 pmRio de Janeiro–Galeão Intl
$927
LATAM Airlines
Aug 4
GIG9:00 pmRio de Janeiro–Galeão Intl
16h 46m
1 stop
STL11:46 amLambert-St Louis
Aug 14
STL6:00 amLambert-St Louis
22h 20m
2 stops
GIG6:20 amRio de Janeiro–Galeão Intl
$928
LATAM Airlines
Aug 3
GIG5:35 pmRio de Janeiro–Galeão Intl
26h 52m
2 stops
STL6:27 pmLambert-St Louis
Aug 10
STL6:00 amLambert-St Louis
32h 35m
2 stops
GIG4:35 pmRio de Janeiro–Galeão Intl
$939

American Airlines flights from Rio de Janeiro to St. Louis

Our best American Airlines deals on Rio de Janeiro to St. Louis flight tickets
American Airlines
Aug 24
GIG8:15 pmRio de Janeiro–Galeão Intl
16h 24m
2 stops
STL10:39 amLambert-St Louis
Aug 30
STL12:41 pmLambert-St Louis
17h 39m
2 stops
GIG8:20 amRio de Janeiro–Galeão Intl
$899
American Airlines
Aug 24
GIG10:10 pmRio de Janeiro–Galeão Intl
14h 29m
1 stop
STL10:39 amLambert-St Louis
Aug 30
STL12:41 pmLambert-St Louis
17h 39m
2 stops
GIG8:20 amRio de Janeiro–Galeão Intl
$911
American Airlines
Aug 4
GIG10:10 pmRio de Janeiro–Galeão Intl
14h 35m
1 stop
STL10:45 amLambert-St Louis
Aug 14
STL11:35 amLambert-St Louis
18h 45m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
$929

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro to St. Louis 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 June 29, 2026.
Use the filters below to find and compare flights from Rio de Janeiro to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 8/3

9:00 pm-9:54 am

1 stop14h 54m

Lambert-St Louis

Mon 8/10

7:00 am-10:15 am

1 stop25h 15m

$888

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 8/24

8:15 pm-10:39 am

2 stops16h 24m

Lambert-St Louis

Sun 8/30

12:41 pm-8:20 am

2 stops17h 39m

$899

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 8/24

10:10 pm-10:39 am

1 stop14h 29m

Lambert-St Louis

Sun 8/30

12:41 pm-8:20 am

2 stops17h 39m

$911

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 8/3

9:00 pm-11:21 pm

1 stop28h 21m

Lambert-St Louis

Mon 8/10

3:39 pm-6:20 am

2 stops36h 41m

$914

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 8/24

7:10 am-8:08 am

2 stops26h 58m

Lambert-St Louis

Sun 8/30

9:15 am-6:20 am

2 stops19h 05m

$921

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 11/26

10:55 pm-5:06 pm

1 stop21h 11m

Lambert-St Louis

Sun 1/3

4:40 pm-7:30 pm

2 stops23h 50m

$927
Quickest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

9:00 pm-8:08 am

1 stop13h 08m

Lambert-St Louis

Fri 8/14

5:23 pm-10:15 am

1 stop14h 52m

$928

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

10:10 pm-10:45 am

1 stop14h 35m

Lambert-St Louis

Fri 8/14

11:35 am-8:20 am

1 stop18h 45m

$929

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

10:10 pm-6:05 pm

2 stops21h 55m

Lambert-St Louis

Fri 8/14

10:44 am-8:20 am

2 stops19h 36m

$932

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

10:10 pm-4:25 pm

2 stops20h 15m

Lambert-St Louis

Fri 8/14

10:44 am-8:20 am

2 stops19h 36m

$933

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Rio de Janeiro to St. Louis

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 Rio de Janeiro to St. Louis flights?

You could potentially save up to 37% on your flight if you consider stops on a Rio de Janeiro to St. Louis flight.

When to book flights from Rio de Janeiro to St. Louis

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

Cheap Rio de Janeiro to St. Louis (RIO to STL) flight deals and tips

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

Fastest flight time

27h 25m

Direct flights

None
The fastest flight from Rio de Janeiro to St. Louis takes 27h 25m
There are no direct flights from Rio de Janeiro to St. Louis. There are no popular flight routes from Rio de Janeiro to St. Louis.
Search flight deals

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

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

    There are 5224.0 mi between Rio de Janeiro and Lambert-St Louis. 27h 25m is a normal flight duration for this route.

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

    Prices for flights from Rio de Janeiro to Lambert-St Louis Airport were last updated today.

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from Rio de Janeiro is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

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

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

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

Price alerts on flights to St. Louis from Rio de Janeiro 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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