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Cheap flights from St. Louis to Rio de Janeiro from $491

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Rio de Janeiro (STL-GIG)

Cheap round-trip flights

Air Canada Logo
9:15 am - 3:05 pmSTL-GIG
27h 50m2 stops
Air Canada Logo
2:45 pm - 7:38 pmGIG-STL
30h 53m2 stops
$896Air Canada
Find Deal
Sun, Sep 14 - Tue, Sep 23
Logo
4:05 pm - 5:40 pmSTL-GIG
23h 35m2 stops
Logo
6:20 pm - 3:18 pmGIG-STL
22h 58m2 stops
$928
Find Deal
Sun, Sep 14 - Tue, Sep 23
Air Canada Logo
4:05 pm - 12:05 pmSTL-GIG
17h 00m1 stop
Air Canada Logo
3:55 pm - 3:29 pmGIG-STL
26h 34m2 stops
$950Air Canada
Find Deal
Thu, Jan 8 - Tue, Jan 20
Logo
4:05 pm - 3:10 pmSTL-GIG
20h 05m2 stops
Logo
9:00 pm - 3:29 pmGIG-STL
21h 29m1 stop
$963
Find Deal
Tue, Dec 2 - Fri, Dec 12
Delta Logo
10:00 am - 6:25 amSTL-GIG
17h 25m2 stops
Delta Logo
9:30 pm - 10:50 amGIG-STL
16h 20m1 stop
$1,040Delta
Find Deal
Wed, Jan 7 - Thu, Jan 15
Delta Logo
7:05 pm - 8:20 amSTL-GIG
34h 15m1 stop
Delta Logo
9:30 pm - 9:04 amGIG-STL
14h 34m1 stop
$1,048Delta
Find Deal
Sun, Jan 11 - Tue, Jan 20
LATAM Airlines Logo
4:00 pm - 4:50 pmSTL-GIG
21h 50m2 stops
LATAM Airlines Logo
5:40 pm - 10:50 amGIG-STL
20h 10m2 stops
$1,050LATAM Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
LATAM Airlines Logo
4:50 pm - 8:20 amSTL-GIG
12h 30m1 stop
LATAM Airlines Logo
9:30 pm - 9:41 amGIG-STL
15h 11m1 stop
$1,060LATAM Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 12
United Airlines Logo
10:30 am - 9:35 amSTL-GIG
20h 05m2 stops
United Airlines Logo
9:55 pm - 3:21 pmGIG-STL
20h 26m2 stops
$1,084United Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 20
United Airlines Logo
10:30 am - 9:35 amSTL-GIG
20h 05m2 stops
United Airlines Logo
9:55 pm - 2:18 pmGIG-STL
19h 23m2 stops
$1,145United Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14

Delta flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

Our best Delta deals on St. Louis to Rio de Janeiro–Galeão Intl Airport flight tickets
Delta
Jan 7
STL10:00 amLambert-St Louis
17h 25m
2 stops
GIG6:25 amRio de Janeiro–Galeão Intl
Jan 15
GIG9:30 pmRio de Janeiro–Galeão Intl
16h 20m
1 stop
STL10:50 amLambert-St Louis
$1,040
Find similar
Delta
Jan 11
STL7:05 pmLambert-St Louis
34h 15m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Jan 20
GIG9:30 pmRio de Janeiro–Galeão Intl
14h 34m
1 stop
STL9:04 amLambert-St Louis
$1,048
Find similar
Delta
Jan 7
STL10:00 amLambert-St Louis
17h 25m
2 stops
GIG6:25 amRio de Janeiro–Galeão Intl
Jan 17
GIG9:30 pmRio de Janeiro–Galeão Intl
16h 20m
1 stop
STL10:50 amLambert-St Louis
$1,079
Find similar

LATAM Airlines flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

Our best LATAM Airlines deals on St. Louis to Rio de Janeiro–Galeão Intl Airport flight tickets
LATAM Airlines
Jan 12
STL4:00 pmLambert-St Louis
21h 50m
2 stops
GIG4:50 pmRio de Janeiro–Galeão Intl
Jan 20
GIG5:40 pmRio de Janeiro–Galeão Intl
20h 10m
2 stops
STL10:50 amLambert-St Louis
$1,050
Find similar
LATAM Airlines
Dec 2
STL4:50 pmLambert-St Louis
12h 30m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Dec 12
GIG9:30 pmRio de Janeiro–Galeão Intl
15h 11m
1 stop
STL9:41 amLambert-St Louis
$1,060
Find similar
LATAM Airlines
Jan 9
STL10:00 amLambert-St Louis
17h 25m
2 stops
GIG6:25 amRio de Janeiro–Galeão Intl
Jan 19
GIG7:15 amRio de Janeiro–Galeão Intl
19h 25m
2 stops
STL11:40 pmLambert-St Louis
$1,089
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Rio de Janeiro–Galeão Intl Airport 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 August 14, 2025.
Use the filters below to find and compare flights from St. Louis to Rio de Janeiro–Galeão Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 9/14

9:15 am-3:05 pm

2 stops27h 50m

Rio de Janeiro–Galeão Intl

Tue 9/23

2:45 pm-7:38 pm

2 stops30h 53m

$896

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 9/14

4:05 pm-5:40 pm

2 stops23h 35m

Rio de Janeiro–Galeão Intl

Tue 9/23

6:20 pm-3:18 pm

2 stops22h 58m

$928

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 1/8

4:05 pm-12:05 pm

1 stop17h 00m

Rio de Janeiro–Galeão Intl

Tue 1/20

3:55 pm-3:29 pm

2 stops26h 34m

$950

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 12/2

4:05 pm-3:10 pm

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Fri 12/12

9:00 pm-3:29 pm

1 stop21h 29m

$963

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 1/7

10:00 am-6:25 am

2 stops17h 25m

Rio de Janeiro–Galeão Intl

Thu 1/15

9:30 pm-10:50 am

1 stop16h 20m

$1,040

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 1/11

7:05 pm-8:20 am

1 stop34h 15m

Rio de Janeiro–Galeão Intl

Tue 1/20

9:30 pm-9:04 am

1 stop14h 34m

$1,048

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 1/12

4:00 pm-4:50 pm

2 stops21h 50m

Rio de Janeiro–Galeão Intl

Tue 1/20

5:40 pm-10:50 am

2 stops20h 10m

$1,050

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Tue 12/2

4:50 pm-8:20 am

1 stop12h 30m

Rio de Janeiro–Galeão Intl

Fri 12/12

9:30 pm-9:41 am

1 stop15h 11m

$1,060

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 1/8

10:30 am-9:35 am

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Tue 1/20

9:55 pm-3:21 pm

2 stops20h 26m

$1,084

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Wed 1/7

10:30 am-9:35 am

2 stops20h 05m

Rio de Janeiro–Galeão Intl

Wed 1/14

9:55 pm-2:18 pm

2 stops19h 23m

$1,145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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–Galeão Intl Airport

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 day to depart on your flight to Rio de Janeiro–Galeão Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Rio de Janeiro–Galeão Intl Airport. Tickets to fly out on this day can be as low as $847. The most expensive day to fly to Rio de Janeiro–Galeão Intl Airport is Friday, with ticket prices averaging around $1,569.

What is the cheapest time of day to depart on your flight to Rio de Janeiro–Galeão Intl Airport?

Flying to Rio de Janeiro–Galeão Intl Airport from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $872 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $1,050. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from St. Louis to Rio de Janeiro–Galeão Intl Airport

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

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

Best Price Found

$491

Fastest flight time

12h 30m

Direct flights

None
The best one-way flight to Rio de Janeiro–Galeão Intl Airport from St. Louis in the past 72 hours is $491. The best round-trip flight deal from St. Louis to Rio de Janeiro–Galeão Intl Airport found on momondo in the last 72 hours is $896.
The fastest flight from St. Louis to Rio de Janeiro–Galeão Intl Airport takes 12h 30m
There are no direct flights from St. Louis to Rio de Janeiro–Galeão Intl Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Rio de Janeiro–Galeão Intl Airport.
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  • How far is Lambert-St Louis to Rio de Janeiro–Galeão Intl by plane?

    A flight from Lambert-St Louis to Rio de Janeiro–Galeão Intl will travel around 5216.2 mi. In terms of flight time, this usually takes a little over 12h 30m.

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

    Prices for flights from Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl Airport refresh daily.

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

  • How old do you have to be to fly from Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl 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 Lambert-St Louis Airport to Rio de Janeiro–Galeão Intl Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro–Galeão Intl Airport?

    The necessary travel and health documents for your Rio de Janeiro–Galeão Intl Airport 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–Galeão Intl Airport?

Best airlines flying from St. Louis to Rio de Janeiro–Galeão Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Rio de Janeiro–Galeão Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $697Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $717Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Rio de Janeiro from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rio de Janeiro from St. Louis.

I’m not ready to book a flight from St. Louis to Rio de Janeiro right now. Can momondo alert me if prices change?

Price alerts on flights to Rio de Janeiro from St. Louis 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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