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$839+ Cheap flights from Rio de Janeiro, Brazil (RIO) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — STL
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap flight deals from Rio de Janeiro to St. Louis

Cheapest flights from Rio de Janeiro to St. Louis
Explore the most affordable flight options available from Rio de Janeiro to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:00 pm
GIG
-
STL
1 stop19h 38m
Delta
Wed 1/204:13 pm
STL
-
GIG
1 stop14h 37m
Delta
Deal found 5/1$839
This LATAM Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
GIG
-
STL
2 stops27h 06m
LATAM Airlines
Wed 1/203:40 pm
STL
-
GIG
2 stops26h 35m
LATAM Airlines
Deal found 5/2$848
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:05 pm
GIG
-
STL
2 stops41h 06m
United Airlines
Sun 6/215:41 pm
STL
-
GIG
2 stops36h 34m
United Airlines
Deal found 4/30$870
This LATAM Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am
GIG
-
STL
2 stops19h 39m
LATAM Airlines
Tue 12/81:30 pm
STL
-
GIG
2 stops29h 30m
LATAM Airlines
Deal found 4/30$880
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:05 pm
GIG
-
STL
1 stop27h 40m
United Airlines
Mon 8/107:05 pm
STL
-
GIG
2 stops35h 10m
United Airlines
Deal found 5/3$892
This lastminute.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:00 pm
GIG
-
STL
1 stop13h 16m
LATAM Airlines
Mon 8/1012:52 pm
STL
-
GIG
1 stop19h 23m
LATAM Airlines
Deal found 5/3$923

Find flight deals from Rio de Janeiro to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$839
(Delta)

One-way from

$640
(United Airlines)
Provider with most accurate pricing for Rio de Janeiro (RIO)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Lambert-St Louis flights.
Search Deals
From Rio de Janeiro (RIO) to Lambert-St Louis
Search Deals
One-way flight from Rio de Janeiro (RIO) to Lambert-St Louis
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 5, 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

Thu 9/17

9:00 pm-3:57 pm

1 stop20h 57m

Lambert-St Louis

Wed 1/20

11:51 am-9:50 am

2 stops18h 59m

$839

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Thu 9/17

7:00 am-8:06 am

2 stops27h 06m

Lambert-St Louis

Wed 1/20

3:40 pm-9:15 pm

2 stops26h 35m

$848

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 6/16

9:05 pm-2:23 pm

2 stops19h 18m

Lambert-St Louis

Mon 8/10

7:05 pm-8:15 am

2 stops35h 10m

$892

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 8/4

2:50 pm-10:45 am

2 stops21h 55m

Lambert-St Louis

Fri 8/14

5:00 am-8:20 am

1 stop25h 20m

$1,045
Quickest round-trip

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 6/16

8:15 pm-10:35 am

2 stops16h 20m

Lambert-St Louis

Fri 8/14

11:35 am-8:20 am

1 stop18h 45m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Rio de Janeiro-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rio de Janeiro-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rio de Janeiro-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rio de Janeiro-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rio de Janeiro-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rio de Janeiro to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rio de Janeiro with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rio de Janeiro to St. Louis
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Rio de Janeiro to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Rio de Janeiro?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Rio de Janeiro to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Rio de Janeiro; the airport handles an average of 0 inbound flights from Rio de Janeiro per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the St. Louis airport from Rio de Janeiro. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from Rio de Janeiro to St. Louis?

    There are many flights that can get you from Rio de Janeiro to St. Louis in 20h 57m. Fly via Delta or LATAM Airlines to get the fastest option. Airlines will cover a distance of 5229 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Rio de Janeiro to St. Louis that include hotel bookings?

    Yes. In addition to deals on Rio de Janeiro to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rio de Janeiro to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rio de Janeiro to St. Louis.

  • Can I find deals for business class flights from Rio de Janeiro to St. Louis?

    Yes. Cheapflights offers flight deals from Rio de Janeiro to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
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Wentzville
Glencoe
Chesterfield
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