Cheap flights from St. Louis to Rio de Janeiro from $371

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 10/6. 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.
GOL Logo
4:21 pm - 9:25 am
STL
-
GIG
14h 04m
1 stop
GOL Logo
11:55 pm - 5:24 pm
GIG
-
STL
20h 29m
1 stop
$949GOL
Wed, Nov 25 - Wed, Jan 13
GOL Logo
4:21 pm - 9:25 am
STL
-
GIG
14h 04m
1 stop
GOL Logo
11:55 pm - 5:24 pm
GIG
-
STL
20h 29m
1 stop
$951GOL
Wed, Nov 25 - Wed, Jan 13
Delta Logo
5:30 pm - 10:15 am
STL
-
GIG
14h 45m
1 stop
Delta Logo
9:00 pm - 2:40 pm
GIG
-
STL
19h 40m
1 stop
$953Delta
Wed, Oct 7 - Tue, Oct 20
GOL Logo
1:20 pm - 2:05 pm
STL
-
GIG
21h 45m
2 stops
GOL Logo
10:30 pm - 11:05 am
GIG
-
STL
15h 35m
1 stop
$956GOL
Wed, Nov 25 - Wed, Jan 13
LATAM Airlines Logo
3:42 pm - 10:15 am
STL
-
GIG
16h 33m
1 stop
LATAM Airlines Logo
9:00 pm - 5:06 pm
GIG
-
STL
22h 06m
2 stops
$957LATAM Airlines
Wed, Oct 7 - Mon, Oct 19
GOL Logo
1:20 pm - 2:05 pm
STL
-
GIG
21h 45m
2 stops
GOL Logo
10:30 pm - 11:05 am
GIG
-
STL
15h 35m
1 stop
$958GOL
Wed, Nov 25 - Wed, Jan 13
LATAM Airlines Logo
3:42 pm - 6:45 pm
STL
-
GIG
25h 03m
2 stops
LATAM Airlines Logo
5:35 pm - 10:48 am
GIG
-
STL
19h 13m
2 stops
$959LATAM Airlines
Tue, Oct 6 - Wed, Oct 21
United Airlines Logo
11:10 am - 8:15 am
STL
-
GIG
19h 05m
1 stop
United Airlines Logo
9:05 pm - 10:30 pm
GIG
-
STL
27h 25m
1 stop
$962United Airlines
Tue, Oct 6 - Thu, Oct 22
Multiple Airlines Logo
3:12 pm - 4:45 pm
STL
-
SDU
23h 33m
2 stops
Multiple Airlines Logo
1:45 pm - 12:13 pm
SDU
-
STL
24h 28m
2 stops
$1,151Multiple Airlines
Wed, Oct 7 - Mon, Oct 19
United Airlines Logo
9:04 am - 4:45 pm
STL
-
SDU
29h 41m
2 stops
United Airlines Logo
1:45 pm - 2:10 pm
SDU
-
STL
26h 25m
2 stops
$1,152United Airlines
Wed, Oct 7 - Mon, Oct 19

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GOL flights from St. Louis to Rio de Janeiro

Our best GOL deals on St. Louis to Rio de Janeiro flight tickets
GOL
Nov 25
STL4:21 pmLambert-St Louis
14h 04m
1 stop
GIG9:25 amRio de Janeiro–Galeão Intl
Jan 13
GIG11:55 pmRio de Janeiro–Galeão Intl
20h 29m
1 stop
STL5:24 pmLambert-St Louis
$949
GOL
Nov 25
STL4:21 pmLambert-St Louis
14h 04m
1 stop
GIG9:25 amRio de Janeiro–Galeão Intl
Jan 13
GIG11:55 pmRio de Janeiro–Galeão Intl
20h 29m
1 stop
STL5:24 pmLambert-St Louis
$951
GOL
Nov 25
STL1:20 pmLambert-St Louis
21h 45m
2 stops
GIG2:05 pmRio de Janeiro–Galeão Intl
Jan 13
GIG10:30 pmRio de Janeiro–Galeão Intl
15h 35m
1 stop
STL11:05 amLambert-St Louis
$956

Delta flights from St. Louis to Rio de Janeiro

Our best Delta deals on St. Louis to Rio de Janeiro flight tickets
Delta
Oct 7
STL5:30 pmLambert-St Louis
14h 45m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Oct 20
GIG9:00 pmRio de Janeiro–Galeão Intl
19h 40m
1 stop
STL2:40 pmLambert-St Louis
$953
Delta
Oct 4
STL6:45 pmLambert-St Louis
19h 50m
2 stops
GIG4:35 pmRio de Janeiro–Galeão Intl
Oct 20
GIG9:00 pmRio de Janeiro–Galeão Intl
19h 40m
1 stop
STL2:40 pmLambert-St Louis
$983
Delta
Oct 4
STL6:45 pmLambert-St Louis
13h 30m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Oct 17
GIG9:00 pmRio de Janeiro–Galeão Intl
19h 40m
1 stop
STL2:40 pmLambert-St Louis
$1,013

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Rio de Janeiro 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 14, 2026.
Use the filters below to find and compare flights from St. Louis to Rio de Janeiro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

4:21 pm-9:25 am

1 stop14h 04m

Rio de Janeiro–Galeão Intl

Wed 1/13

11:55 pm-5:24 pm

1 stop20h 29m

$949

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

4:21 pm-9:25 am

1 stop14h 04m

Rio de Janeiro–Galeão Intl

Wed 1/13

11:55 pm-5:24 pm

1 stop20h 29m

$951
Quickest round-trip

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/7

5:30 pm-10:15 am

1 stop14h 45m

Rio de Janeiro–Galeão Intl

Tue 10/20

9:00 pm-2:40 pm

1 stop19h 40m

$953

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

1:20 pm-2:05 pm

2 stops21h 45m

Rio de Janeiro–Galeão Intl

Wed 1/13

10:30 pm-11:05 am

1 stop15h 35m

$956

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 10/7

3:42 pm-10:15 am

1 stop16h 33m

Rio de Janeiro–Galeão Intl

Mon 10/19

9:00 pm-5:06 pm

2 stops22h 06m

$957

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 11/25

1:20 pm-2:05 pm

2 stops21h 45m

Rio de Janeiro–Galeão Intl

Wed 1/13

10:30 pm-11:05 am

1 stop15h 35m

$958

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 10/6

3:42 pm-6:45 pm

2 stops25h 03m

Rio de Janeiro–Galeão Intl

Wed 10/21

5:35 pm-10:48 am

2 stops19h 13m

$959

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 10/6

11:10 am-8:15 am

1 stop19h 05m

Rio de Janeiro–Galeão Intl

Thu 10/22

9:05 pm-10:30 pm

1 stop27h 25m

$962

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 10/7

3:12 pm-4:45 pm

2 stops23h 33m

Rio de Janeiro Santos Dumont

Mon 10/19

1:45 pm-12:13 pm

2 stops24h 28m

$1,151

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Wed 10/7

9:04 am-4:45 pm

2 stops29h 41m

Rio de Janeiro Santos Dumont

Mon 10/19

1:45 pm-2:10 pm

2 stops26h 25m

$1,152

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 Rio de Janeiro from

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

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

What is the typical price of a round-trip flight between St. Louis and Rio de Janeiro?

What is the cheapest month to fly to Rio de Janeiro?

The cheapest month to fly to Rio de Janeiro from St. Louis is in April. Flight prices, which tend to average around $476, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Rio de Janeiro, with average flight prices from St. Louis averaging around $813.

Can stopping save me money on St. Louis to Rio de Janeiro flights?

You could potentially save up to 11% on your flight if you consider stops on a St. Louis to Rio de Janeiro flight.

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

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

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

Fastest flight time

13h 10m

Direct flights

None
The fastest flight from St. Louis to Rio de Janeiro takes 13h 10m
There are no direct flights from St. Louis to Rio de Janeiro. There are no popular flight routes from St. Louis to Rio de Janeiro.

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

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

    There are 5224.0 mi between Lambert-St Louis and Rio de Janeiro. In terms of flight time, this usually takes a little over 13h 10m.

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

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

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Rio de Janeiro?

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

    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.

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

    The necessary travel and health documents for your Rio de Janeiro 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.

  • What is the most popular airline from St. Louis to Rio de Janeiro?

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

It is quick and easy to find St. Louis to Rio de Janeiro flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rio de Janeiro that suits you.

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

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

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

momondo provides multiple filters to help you find the best flight to Rio de Janeiro from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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Yes. momondo can track prices for St. Louis to Rio de Janeiro flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Tue 7/14
Tue 7/21

Find better results for your trip to Brazil

Fly into one of these airports located in Rio de Janeiro

Airports listed have a maximum distance of 8.1 mi from Rio de Janeiro