Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Rio de Janeiro from $402

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 5/28. 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

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:19 pm - 3:35 pm
STL
-
GIG
21h 16m
2 stops
Multiple Airlines Logo
1:35 am - 11:57 pm
GIG
-
STL
24h 22m
2 stops
$858Multiple Airlines
Mon, May 25 - Sun, May 31
LATAM Airlines Logo
3:57 pm - 5:20 pm
STL
-
GIG
23h 23m
2 stops
LATAM Airlines Logo
9:00 pm - 8:16 am
GIG
-
STL
13h 16m
1 stop
$902LATAM Airlines
Thu, Jun 11 - Thu, Jun 18
GOL Logo
5:18 pm - 8:05 pm
STL
-
GIG
24h 47m
2 stops
GOL Logo
8:15 pm - 10:34 am
GIG
-
STL
16h 19m
2 stops
$917GOL
Mon, May 25 - Mon, Jun 1
Multiple Airlines Logo
4:19 pm - 3:35 pm
STL
-
GIG
21h 16m
2 stops
Multiple Airlines Logo
1:35 am - 7:23 pm
GIG
-
STL
43h 48m
3 stops
$921Multiple Airlines
Mon, May 25 - Sun, May 31
United Airlines Logo
8:35 am - 8:15 am
STL
-
GIG
21h 40m
1 stop
United Airlines Logo
9:05 pm - 12:11 pm
GIG
-
STL
41h 06m
2 stops
$1,032United Airlines
Mon, Jun 15 - Mon, Jun 22
American Airlines Logo
11:35 am - 10:25 am
STL
-
GIG
20h 50m
2 stops
American Airlines Logo
2:50 pm - 10:45 am
GIG
-
STL
21h 55m
2 stops
$1,036American Airlines
Mon, Aug 24 - Mon, Sep 7
GOL Logo
11:35 am - 8:20 am
STL
-
GIG
18h 45m
1 stop
GOL Logo
8:50 pm - 11:52 am
GIG
-
STL
41h 02m
2 stops
$1,044GOL
Mon, Aug 24 - Mon, Sep 7
American Airlines Logo
11:35 am - 8:20 am
STL
-
GIG
18h 45m
1 stop
American Airlines Logo
10:10 pm - 1:22 pm
GIG
-
STL
17h 12m
1 stop
$1,051American Airlines
Sun, Sep 6 - Sun, Sep 13
United Airlines Logo
8:15 pm - 4:45 pm
STL
-
SDU
42h 30m
2 stops
United Airlines Logo
1:50 pm - 9:16 pm
SDU
-
STL
33h 26m
2 stops
$1,144United Airlines
Mon, Jun 15 - Mon, Jun 22
Air Canada Logo
8:55 am - 5:45 pm
STL
-
SDU
30h 50m
2 stops
Air Canada Logo
1:45 pm - 2:00 pm
SDU
-
STL
26h 15m
2 stops
$1,261Air Canada
Sat, Sep 26 - Tue, Sep 29

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

United Airlines flights from St. Louis to Rio de Janeiro

Our best United Airlines deals on St. Louis to Rio de Janeiro flight tickets
United Airlines
Jun 15
STL8:35 amLambert-St Louis
21h 40m
1 stop
GIG8:15 amRio de Janeiro–Galeão Intl
Jun 22
GIG9:05 pmRio de Janeiro–Galeão Intl
41h 06m
2 stops
STL12:11 pmLambert-St Louis
$1,032
United Airlines
Sep 26
STL6:49 pmLambert-St Louis
35h 26m
2 stops
GIG8:15 amRio de Janeiro–Galeão Intl
Sep 29
GIG9:05 pmRio de Janeiro–Galeão Intl
19h 12m
1 stop
STL2:17 pmLambert-St Louis
$1,129
United Airlines
Jun 15
STL8:15 pmLambert-St Louis
42h 30m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Jun 22
SDU1:50 pmRio de Janeiro Santos Dumont
33h 26m
2 stops
STL9:16 pmLambert-St Louis
$1,144

GOL flights from St. Louis to Rio de Janeiro

Our best GOL deals on St. Louis to Rio de Janeiro flight tickets
GOL
May 25
STL5:18 pmLambert-St Louis
24h 47m
2 stops
GIG8:05 pmRio de Janeiro–Galeão Intl
Jun 1
GIG8:15 pmRio de Janeiro–Galeão Intl
16h 19m
2 stops
STL10:34 amLambert-St Louis
$917
GOL
Aug 24
STL11:35 amLambert-St Louis
18h 45m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Sep 7
GIG8:50 pmRio de Janeiro–Galeão Intl
41h 02m
2 stops
STL11:52 amLambert-St Louis
$1,044
GOL
May 31
STL5:18 pmLambert-St Louis
24h 47m
2 stops
GIG8:05 pmRio de Janeiro–Galeão Intl
Jun 7
GIG6:15 amRio de Janeiro–Galeão Intl
34h 13m
2 stops
STL2:28 pmLambert-St Louis
$1,065

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 April 30, 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

Mon 5/25

4:19 pm-3:35 pm

2 stops21h 16m

Rio de Janeiro–Galeão Intl

Sun 5/31

1:35 am-11:57 pm

2 stops24h 22m

$858

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Thu 6/11

3:57 pm-5:20 pm

2 stops23h 23m

Rio de Janeiro–Galeão Intl

Thu 6/18

9:00 pm-8:16 am

1 stop13h 16m

$902

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 5/25

5:18 pm-8:05 pm

2 stops24h 47m

Rio de Janeiro–Galeão Intl

Mon 6/1

8:15 pm-10:34 am

2 stops16h 19m

$917

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 5/25

4:19 pm-3:35 pm

2 stops21h 16m

Rio de Janeiro–Galeão Intl

Sun 5/31

1:35 am-7:23 pm

3 stops43h 48m

$921

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 6/15

8:35 am-8:15 am

1 stop21h 40m

Rio de Janeiro–Galeão Intl

Mon 6/22

9:05 pm-12:11 pm

2 stops41h 06m

$1,032

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 8/24

11:35 am-10:25 am

2 stops20h 50m

Rio de Janeiro–Galeão Intl

Mon 9/7

2:50 pm-10:45 am

2 stops21h 55m

$1,036

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Mon 8/24

11:35 am-8:20 am

1 stop18h 45m

Rio de Janeiro–Galeão Intl

Mon 9/7

8:50 pm-11:52 am

2 stops41h 02m

$1,044
Quickest round-trip

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

Sun 9/6

11:35 am-8:20 am

1 stop18h 45m

Rio de Janeiro–Galeão Intl

Sun 9/13

10:10 pm-1:22 pm

1 stop17h 12m

$1,051

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 6/15

8:15 pm-4:45 pm

2 stops42h 30m

Rio de Janeiro Santos Dumont

Mon 6/22

1:50 pm-9:16 pm

2 stops33h 26m

$1,144

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sat 9/26

8:55 am-5:45 pm

2 stops30h 50m

Rio de Janeiro Santos Dumont

Tue 9/29

1:45 pm-2:00 pm

2 stops26h 15m

$1,261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Rio de Janeiro?

The cheapest month to fly to Rio de Janeiro from St. Louis is in May. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Rio de Janeiro, with average flight prices from St. Louis averaging around $476.

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

18h 13m

Direct flights

None
The fastest flight from St. Louis to Rio de Janeiro takes 18h 13m
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.
Search flight deals

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 18h 13m.

  • 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?

Best airlines flying from St. Louis to Rio de Janeiro

Compare and see reviews for airlines that fly from St. Louis to Rio de Janeiro with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,102Free CancellationRating
7.9
8,464 reviews
Search Delta flights

Why use momondo?

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.

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

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.

An easier way to manage your Rio de Janeiro 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 5/30
Sat 6/6
By creating a price alert you accept our terms of use and privacy policy.

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
Rio de Janeiro–Galeão Intl Airport
Rio de Janeiro Santos Dumont Airport