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Cheap flights from St. Louis to Rio de Janeiro Santos Dumont Airport from $368

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 Santos Dumont Airport departing on 6/12. 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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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Rio de Janeiro.
 Logo
7:30 am - 3:50 pmSTL-SDU
30h 20m2 stops
 Logo
1:05 pm - 12:36 pmSDU-STL
25h 31m2 stops
Fri, May 16 - Fri, May 23
Air Canada Logo
7:30 am - 3:50 pmSTL-SDU
30h 20m2 stops
Air Canada Logo
1:05 pm - 12:36 pmSDU-STL
25h 31m2 stops
$885Air Canada
Find Deal
Fri, May 16 - Sun, May 18
Air Canada Logo
1:30 pm - 3:50 pmSTL-SDU
24h 20m2 stops
Air Canada Logo
7:55 am - 3:16 pmSDU-STL
33h 21m2 stops
$1,217Air Canada
Find Deal
Sun, Aug 31 - Mon, Sep 8
United Airlines Logo
5:55 pm - 3:50 pmSTL-SDU
43h 55m2 stops
United Airlines Logo
1:00 pm - 6:00 pmSDU-STL
31h 00m2 stops
$1,231United Airlines
Find Deal
Sun, Jun 1 - Sun, Jun 8
United Airlines Logo
8:25 am - 3:50 pmSTL-SDU
29h 25m2 stops
United Airlines Logo
1:00 pm - 6:53 pmSDU-STL
31h 53m2 stops
$1,301United Airlines
Find Deal
Wed, Jun 25 - Wed, Jul 9
United Airlines Logo
6:15 pm - 3:50 pmSTL-SDU
43h 35m2 stops
United Airlines Logo
1:00 pm - 3:44 pmSDU-STL
28h 44m2 stops
$1,332United Airlines
Find Deal
Mon, Aug 4 - Mon, Aug 18
 Logo
1:30 pm - 3:50 pmSTL-SDU
24h 20m2 stops
 Logo
1:00 pm - 3:16 pmSDU-STL
28h 16m2 stops
$1,682
Find Deal
Sun, Aug 31 - Sun, Sep 7
 Logo
1:30 pm - 3:50 pmSTL-SDU
24h 20m2 stops
 Logo
7:55 am - 8:00 pmSDU-STL
38h 05m2 stops
$1,725
Find Deal
Wed, Jun 25 - Wed, Jul 9

United Airlines flights from St. Louis to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on St. Louis to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Jun 1
STL5:55 pmLambert-St Louis
43h 55m
2 stops
SDU3:50 pmRio de Janeiro Santos Dumont
Jun 8
SDU1:00 pmRio de Janeiro Santos Dumont
31h 00m
2 stops
STL6:00 pmLambert-St Louis
United Airlines
Jun 25
STL8:25 amLambert-St Louis
29h 25m
2 stops
SDU3:50 pmRio de Janeiro Santos Dumont
Jul 9
SDU1:00 pmRio de Janeiro Santos Dumont
31h 53m
2 stops
STL6:53 pmLambert-St Louis
United Airlines
Aug 4
STL6:15 pmLambert-St Louis
43h 35m
2 stops
SDU3:50 pmRio de Janeiro Santos Dumont
Aug 18
SDU1:00 pmRio de Janeiro Santos Dumont
28h 44m
2 stops
STL3:44 pmLambert-St Louis

Air Canada flights from St. Louis to Rio de Janeiro Santos Dumont Airport

Our best Air Canada deals on St. Louis to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
May 16
STL7:30 amLambert-St Louis
30h 20m
2 stops
SDU3:50 pmRio de Janeiro Santos Dumont
May 18
SDU1:05 pmRio de Janeiro Santos Dumont
25h 31m
2 stops
STL12:36 pmLambert-St Louis
Air Canada
Aug 31
STL1:30 pmLambert-St Louis
24h 20m
2 stops
SDU3:50 pmRio de Janeiro Santos Dumont
Sep 8
SDU7:55 amRio de Janeiro Santos Dumont
33h 21m
2 stops
STL3:16 pmLambert-St Louis

When to book flights from St. Louis to Rio de Janeiro Santos Dumont Airport

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

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

Best Price Found

$368

Fastest flight time

19h 47m

Direct flights

None
The best one-way flight to Rio de Janeiro Santos Dumont Airport from St. Louis in the past 72 hours is $368. The best round-trip flight deal from St. Louis to Rio de Janeiro Santos Dumont Airport found on momondo in the last 72 hours is $875.
The fastest flight from St. Louis to Rio de Janeiro Santos Dumont Airport takes 19h 47m
There are no direct flights from St. Louis to Rio de Janeiro Santos Dumont Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Rio de Janeiro Santos Dumont Airport.

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

    Lambert-St Louis and Rio de Janeiro Santos Dumont are 5225.0 mi apart from one another. Typically, this will take 24h 20m by plane in normal conditions.

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

    Prices for flights from Lambert-St Louis Airport to Rio de Janeiro Santos Dumont Airport are updated daily.

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

    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 Santos Dumont Airport.

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

    The required travel and health documents for your Rio de Janeiro Santos Dumont Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Rio de Janeiro Santos Dumont Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


  • How do I get Price Alerts for flights from St. Louis to Rio de Janeiro Santos Dumont Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Rio de Janeiro Santos Dumont Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to Rio de Janeiro Santos Dumont Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Rio de Janeiro for you.

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

All flight searches from St. Louis to Rio de Janeiro on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between St. Louis and Rio de Janeiro 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 St. Louis to Rio de Janeiro right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Rio de Janeiro flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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