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Cheap flights from Rio de Janeiro to St. Louis from $609

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 6/27. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:50 pm - 10:58 am
GIG
-
STL
22h 08m
2 stops
American Airlines Logo
5:18 am - 8:20 am
STL
-
GIG
25h 02m
1 stop
$1,117American Airlines
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
2:50 pm - 10:58 am
GIG
-
STL
22h 08m
2 stops
American Airlines Logo
10:08 am - 8:20 am
STL
-
GIG
20h 12m
2 stops
$1,122American Airlines
Tue, Aug 4 - Fri, Aug 14
LATAM Airlines Logo
11:10 am - 8:06 am
GIG
-
STL
22h 56m
2 stops
LATAM Airlines Logo
5:30 pm - 4:30 pm
STL
-
GIG
21h 00m
2 stops
$1,141LATAM Airlines
Sat, Aug 15 - Sat, Aug 22
LATAM Airlines Logo
7:35 pm - 6:02 pm
GIG
-
STL
24h 27m
2 stops
LATAM Airlines Logo
9:00 am - 6:45 pm
STL
-
GIG
31h 45m
2 stops
$1,150LATAM Airlines
Tue, Aug 4 - Fri, Aug 14
LATAM Airlines Logo
12:20 pm - 10:45 am
GIG
-
STL
24h 25m
2 stops
LATAM Airlines Logo
6:00 am - 4:30 pm
STL
-
GIG
32h 30m
2 stops
$1,157LATAM Airlines
Mon, Jun 8 - Tue, Jun 23
American Airlines Logo
10:10 pm - 10:58 am
GIG
-
STL
14h 48m
1 stop
American Airlines Logo
5:18 am - 8:20 am
STL
-
GIG
25h 02m
1 stop
$1,160American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
10:10 pm - 10:32 am
GIG
-
STL
14h 22m
1 stop
American Airlines Logo
10:29 am - 8:20 am
STL
-
GIG
19h 51m
2 stops
$1,161American Airlines
Mon, Jun 8 - Tue, Jun 23
American Airlines Logo
10:10 pm - 10:58 am
GIG
-
STL
14h 48m
1 stop
American Airlines Logo
10:24 am - 8:20 am
STL
-
GIG
19h 56m
2 stops
$1,164American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
10:10 pm - 3:42 pm
GIG
-
STL
19h 32m
2 stops
American Airlines Logo
11:48 am - 8:20 am
STL
-
GIG
18h 32m
1 stop
$1,176American Airlines
Tue, Aug 4 - Fri, Aug 14
LATAM Airlines Logo
11:10 am - 6:02 pm
GIG
-
STL
32h 52m
2 stops
LATAM Airlines Logo
7:05 pm - 4:30 pm
STL
-
GIG
19h 25m
2 stops
$1,178LATAM Airlines
Sat, Aug 15 - Sat, Aug 22

United Airlines flights from Rio de Janeiro to St. Louis

Our best United Airlines deals on Rio de Janeiro to St. Louis flight tickets
United Airlines
Apr 10
GIG9:05 pmRio de Janeiro–Galeão Intl
14h 20m
1 stop
STL9:25 amLambert-St Louis
Apr 27
STL6:30 amLambert-St Louis
23h 45m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
$1,363
United Airlines
Apr 10
GIG9:05 pmRio de Janeiro–Galeão Intl
27h 23m
1 stop
STL10:28 pmLambert-St Louis
Apr 27
STL8:21 amLambert-St Louis
21h 54m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
$1,378
United Airlines
Apr 10
GIG9:05 pmRio de Janeiro–Galeão Intl
14h 20m
1 stop
STL9:25 amLambert-St Louis
Apr 27
STL9:10 amLambert-St Louis
21h 05m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
$1,398

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
Aug 15
GIG11:10 amRio de Janeiro–Galeão Intl
22h 56m
2 stops
STL8:06 amLambert-St Louis
Aug 22
STL5:30 pmLambert-St Louis
21h 00m
2 stops
GIG4:30 pmRio de Janeiro–Galeão Intl
$1,141
LATAM Airlines
Aug 4
GIG7:35 pmRio de Janeiro–Galeão Intl
24h 27m
2 stops
STL6:02 pmLambert-St Louis
Aug 14
STL9:00 amLambert-St Louis
31h 45m
2 stops
GIG6:45 pmRio de Janeiro–Galeão Intl
$1,150
LATAM Airlines
Jun 8
GIG12:20 pmRio de Janeiro–Galeão Intl
24h 25m
2 stops
STL10:45 amLambert-St Louis
Jun 23
STL6:00 amLambert-St Louis
32h 30m
2 stops
GIG4:30 pmRio de Janeiro–Galeão Intl
$1,157

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 March 15, 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

Tue 8/4

2:50 pm-10:58 am

2 stops22h 08m

Lambert-St Louis

Fri 8/14

5:18 am-8:20 am

1 stop25h 02m

$1,117

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

2:50 pm-10:58 am

2 stops22h 08m

Lambert-St Louis

Fri 8/14

10:08 am-8:20 am

2 stops20h 12m

$1,122

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

11:10 am-8:06 am

2 stops22h 56m

Lambert-St Louis

Sat 8/22

5:30 pm-4:30 pm

2 stops21h 00m

$1,141

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

7:35 pm-6:02 pm

2 stops24h 27m

Lambert-St Louis

Fri 8/14

9:00 am-6:45 pm

2 stops31h 45m

$1,150

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 6/8

12:20 pm-10:45 am

2 stops24h 25m

Lambert-St Louis

Tue 6/23

6:00 am-4:30 pm

2 stops32h 30m

$1,157

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

10:10 pm-10:58 am

1 stop14h 48m

Lambert-St Louis

Sat 8/22

5:18 am-8:20 am

1 stop25h 02m

$1,160
Quickest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Mon 6/8

10:10 pm-10:32 am

1 stop14h 22m

Lambert-St Louis

Tue 6/23

10:29 am-8:20 am

2 stops19h 51m

$1,161

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

10:10 pm-10:58 am

1 stop14h 48m

Lambert-St Louis

Sat 8/22

10:24 am-8:20 am

2 stops19h 56m

$1,164

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

10:10 pm-3:42 pm

2 stops19h 32m

Lambert-St Louis

Fri 8/14

11:48 am-8:20 am

1 stop18h 32m

$1,176

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sat 8/15

11:10 am-6:02 pm

2 stops32h 52m

Lambert-St Louis

Sat 8/22

7:05 pm-4:30 pm

2 stops19h 25m

$1,178

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 23m

Direct flights

None
The fastest flight from Rio de Janeiro to St. Louis takes 27h 23m
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

  • 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 23m 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Fenton
Alton
Wentzville
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
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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