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Cheap flights from Rio de Janeiro to St. Louis from $369

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 6/7. 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.
Delta Logo
9:00 pm - 8:06 am
GIG
-
STL
13h 06m
1 stop
Delta Logo
4:13 pm - 9:50 am
STL
-
GIG
14h 37m
1 stop
$839Delta
Thu, Sep 17 - Wed, Jan 20
Delta Logo
9:00 pm - 8:06 am
GIG
-
STL
13h 06m
1 stop
Delta Logo
4:13 pm - 9:50 am
STL
-
GIG
14h 37m
1 stop
$842Delta
Thu, Sep 17 - Wed, Jan 20
LATAM Airlines Logo
7:00 am - 11:37 pm
GIG
-
STL
18h 37m
2 stops
LATAM Airlines Logo
9:00 am - 6:05 am
STL
-
GIG
18h 05m
2 stops
$848LATAM Airlines
Thu, Sep 17 - Wed, Jan 20
LATAM Airlines Logo
7:00 am - 11:37 pm
GIG
-
STL
18h 37m
2 stops
LATAM Airlines Logo
11:51 am - 9:50 am
STL
-
GIG
18h 59m
2 stops
$853LATAM Airlines
Thu, Sep 17 - Wed, Jan 20
United Airlines Logo
9:05 pm - 12:11 pm
GIG
-
STL
41h 06m
2 stops
United Airlines Logo
5:41 pm - 8:15 am
STL
-
GIG
36h 34m
2 stops
$870United Airlines
Sun, Jun 14 - Sun, Jun 21
LATAM Airlines Logo
1:40 pm - 5:53 pm
GIG
-
STL
30h 13m
2 stops
LATAM Airlines Logo
1:30 pm - 9:15 pm
STL
-
GIG
29h 45m
2 stops
$931LATAM Airlines
Tue, Aug 4 - Fri, Aug 14
United Airlines Logo
9:05 pm - 10:45 pm
GIG
-
STL
27h 40m
1 stop
United Airlines Logo
1:13 pm - 8:15 am
STL
-
GIG
41h 02m
2 stops
$933United Airlines
Sun, Jun 14 - Sun, Jun 21
American Airlines Logo
3:15 pm - 10:45 am
GIG
-
STL
21h 30m
2 stops
American Airlines Logo
3:35 pm - 2:05 pm
STL
-
GIG
20h 30m
2 stops
$952American Airlines
Sun, Aug 23 - Mon, Sep 7
GOL Logo
11:55 am - 11:53 am
GIG
-
STL
25h 58m
2 stops
GOL Logo
11:35 am - 8:20 am
STL
-
GIG
18h 45m
1 stop
$980GOL
Sun, Aug 23 - Mon, Sep 7
LATAM Airlines Logo
1:40 pm - 12:17 pm
GIG
-
STL
24h 37m
2 stops
LATAM Airlines Logo
5:30 pm - 10:15 am
STL
-
GIG
14h 45m
1 stop
$994LATAM Airlines
Tue, Aug 4 - Fri, Aug 14

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
Sep 17
GIG7:00 amRio de Janeiro–Galeão Intl
18h 37m
2 stops
STL11:37 pmLambert-St Louis
Jan 20
STL9:00 amLambert-St Louis
18h 05m
2 stops
GIG6:05 amRio de Janeiro–Galeão Intl
$848
LATAM Airlines
Sep 17
GIG7:00 amRio de Janeiro–Galeão Intl
18h 37m
2 stops
STL11:37 pmLambert-St Louis
Jan 20
STL11:51 amLambert-St Louis
18h 59m
2 stops
GIG9:50 amRio de Janeiro–Galeão Intl
$853
LATAM Airlines
Aug 4
GIG1:40 pmRio de Janeiro–Galeão Intl
30h 13m
2 stops
STL5:53 pmLambert-St Louis
Aug 14
STL1:30 pmLambert-St Louis
29h 45m
2 stops
GIG9:15 pmRio de Janeiro–Galeão Intl
$931

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
Jun 14
GIG9:05 pmRio de Janeiro–Galeão Intl
41h 06m
2 stops
STL12:11 pmLambert-St Louis
Jun 21
STL5:41 pmLambert-St Louis
36h 34m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
$870
United Airlines
Jun 14
GIG9:05 pmRio de Janeiro–Galeão Intl
27h 40m
1 stop
STL10:45 pmLambert-St Louis
Jun 21
STL1:13 pmLambert-St Louis
41h 02m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
$933
United Airlines
Sep 17
GIG9:05 pmRio de Janeiro–Galeão Intl
41h 08m
3 stops
STL12:13 pmLambert-St Louis
Jan 20
STL6:40 amLambert-St Louis
47h 55m
2 stops
GIG9:35 amRio de Janeiro–Galeão Intl
$1,221

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 May 2, 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
Quickest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 9/17

9:00 pm-8:06 am

1 stop13h 06m

Lambert-St Louis

Wed 1/20

4:13 pm-9:50 am

1 stop14h 37m

$839

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 9/17

9:00 pm-8:06 am

1 stop13h 06m

Lambert-St Louis

Wed 1/20

4:13 pm-9:50 am

1 stop14h 37m

$842

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 9/17

7:00 am-11:37 pm

2 stops18h 37m

Lambert-St Louis

Wed 1/20

9:00 am-6:05 am

2 stops18h 05m

$848

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 9/17

7:00 am-11:37 pm

2 stops18h 37m

Lambert-St Louis

Wed 1/20

11:51 am-9:50 am

2 stops18h 59m

$853

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 6/14

9:05 pm-12:11 pm

2 stops41h 06m

Lambert-St Louis

Sun 6/21

5:41 pm-8:15 am

2 stops36h 34m

$870

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

1:40 pm-5:53 pm

2 stops30h 13m

Lambert-St Louis

Fri 8/14

1:30 pm-9:15 pm

2 stops29h 45m

$931

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 6/14

9:05 pm-10:45 pm

1 stop27h 40m

Lambert-St Louis

Sun 6/21

1:13 pm-8:15 am

2 stops41h 02m

$933

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 8/23

3:15 pm-10:45 am

2 stops21h 30m

Lambert-St Louis

Mon 9/7

3:35 pm-2:05 pm

2 stops20h 30m

$952

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Sun 8/23

11:55 am-11:53 am

2 stops25h 58m

Lambert-St Louis

Mon 9/7

11:35 am-8:20 am

1 stop18h 45m

$980

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

1:40 pm-12:17 pm

2 stops24h 37m

Lambert-St Louis

Fri 8/14

5:30 pm-10:15 am

1 stop14h 45m

$994

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

20h 57m

Direct flights

None
The fastest flight from Rio de Janeiro to St. Louis takes 20h 57m
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.
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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. 20h 57m 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
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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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