Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Rio de Janeiro to St. Louis from $380

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 3/25. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:00 pm - 3:24 pmGIG-STL
24h 24m2 stops
Air Canada Logo
4:05 pm - 3:05 pmSTL-GIG
21h 00m2 stops
$1,000Air Canada
Find Deal
Wed, Apr 8 - Sun, Apr 12
Air Canada Logo
5:00 pm - 3:24 pmGIG-STL
24h 24m2 stops
Air Canada Logo
4:05 pm - 3:05 pmSTL-GIG
21h 00m2 stops
$1,001Air Canada
Find Deal
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
9:05 pm - 10:19 pmGIG-STL
27h 14m1 stop
United Airlines Logo
10:09 am - 8:15 amSTL-GIG
20h 06m1 stop
$1,069United Airlines
Find Deal
Wed, Apr 8 - Sun, Apr 12
Delta Logo
5:20 pm - 10:50 amGIG-STL
19h 30m2 stops
Delta Logo
10:00 am - 10:15 amSTL-GIG
22h 15m1 stop
$1,071Delta
Find Deal
Wed, Apr 8 - Sun, Apr 12
Delta Logo
5:20 pm - 3:01 pmGIG-STL
23h 41m2 stops
Delta Logo
7:30 am - 10:15 amSTL-GIG
24h 45m1 stop
$1,073Delta
Find Deal
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
9:05 pm - 9:28 amGIG-STL
14h 23m1 stop
United Airlines Logo
10:09 am - 8:15 amSTL-GIG
20h 06m1 stop
$1,105United Airlines
Find Deal
Wed, Apr 8 - Sun, Apr 12

Air Canada flights from Rio de Janeiro to St. Louis

Our best Air Canada deals on Rio de Janeiro to St. Louis flight tickets
Air Canada
Apr 8
GIG5:00 pmRio de Janeiro–Galeão Intl
24h 24m
2 stops
STL3:24 pmLambert-St Louis
Apr 12
STL4:05 pmLambert-St Louis
21h 00m
2 stops
GIG3:05 pmRio de Janeiro–Galeão Intl
$1,000
Find similar
Air Canada
Apr 8
GIG5:00 pmRio de Janeiro–Galeão Intl
24h 24m
2 stops
STL3:24 pmLambert-St Louis
Apr 12
STL4:05 pmLambert-St Louis
21h 00m
2 stops
GIG3:05 pmRio de Janeiro–Galeão Intl
$1,001
Find similar

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 8
GIG9:05 pmRio de Janeiro–Galeão Intl
27h 14m
1 stop
STL10:19 pmLambert-St Louis
Apr 12
STL10:09 amLambert-St Louis
20h 06m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
$1,069
Find similar
United Airlines
Apr 8
GIG9:05 pmRio de Janeiro–Galeão Intl
27h 14m
1 stop
STL10:19 pmLambert-St Louis
Apr 12
STL10:09 amLambert-St Louis
20h 06m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
$1,073
Find similar
United Airlines
Apr 8
GIG9:05 pmRio de Janeiro–Galeão Intl
14h 23m
1 stop
STL9:28 amLambert-St Louis
Apr 12
STL10:09 amLambert-St Louis
20h 06m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
$1,105
Find similar

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 November 13, 2025.
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

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

5:00 pm-3:24 pm

2 stops24h 24m

Lambert-St Louis

Sun 4/12

4:05 pm-3:05 pm

2 stops21h 00m

$1,000

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

5:00 pm-3:24 pm

2 stops24h 24m

Lambert-St Louis

Sun 4/12

4:05 pm-3:05 pm

2 stops21h 00m

$1,001

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

9:05 pm-10:19 pm

1 stop27h 14m

Lambert-St Louis

Sun 4/12

10:09 am-8:15 am

1 stop20h 06m

$1,069

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

5:20 pm-10:50 am

2 stops19h 30m

Lambert-St Louis

Sun 4/12

10:00 am-10:15 am

1 stop22h 15m

$1,071

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

5:20 pm-3:01 pm

2 stops23h 41m

Lambert-St Louis

Sun 4/12

7:30 am-10:15 am

1 stop24h 45m

$1,073

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 4/8

9:05 pm-9:28 am

1 stop14h 23m

Lambert-St Louis

Sun 4/12

10:09 am-8:15 am

1 stop20h 06m

$1,105

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 3/25

10:30 pm-11:37 pm

2 stops27h 07m

$380

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 3/25

8:00 pm-3:29 pm

1 stop21h 29m

$479

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Tue 3/24

1:40 am-9:48 am

2 stops34h 08m

$1,814

Rio de JaneiroSt. Louis

GIG - STL

GIGSTL

Rio de Janeiro–Galeão Intl

Wed 3/25

9:40 am-3:29 pm

3 stops31h 49m

$4,413

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the cheapest airline that flies from Rio de Janeiro to Lambert-St Louis?

GOL, Air Canada, and Copa Airlines are the most popular carriers operating from Rio de Janeiro to Lambert-St Louis

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

Direct flights

None
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. 14h 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States