STL - SDU

$478 Find Cheap Flights from St. Louis to Rio de Janeiro Santos Dumont

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Santos Dumont departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Rio de Janeiro Santos Dumont Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Rio de Janeiro, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Rio de Janeiro, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$1,076
GOL
Sun 10/4Fri 10/16
STL - SDU • 2 stops
Cheapest one-way
$478
Multiple Airlines
Fri 7/3
STL - SDU • 3 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Santos Dumont. You'll need at least 2 connections.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Santos Dumont!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Santos Dumont (STL-SDU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Santos Dumont that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Santos Dumont

Sun, Oct 4 - Fri, Oct 16
GOL Logo
2:12 pm - 10:50 am
STL
-
SDU
18h 38m
2 stops
GOL Logo
6:00 am - 11:15 pm
SDU
-
STL
19h 15m
2 stops
$1,076GOL
Sun, Oct 4 - Fri, Oct 16
GOL Logo
2:12 pm - 10:50 am
STL
-
SDU
18h 38m
2 stops
GOL Logo
6:00 am - 11:15 pm
SDU
-
STL
19h 15m
2 stops
$1,077GOL
Sun, Sep 13 - Wed, Sep 30
Air Canada Logo
12:10 pm - 7:40 am
STL
-
SDU
41h 30m
2 stops
Air Canada Logo
1:45 pm - 8:00 pm
SDU
-
STL
32h 15m
2 stops
$1,089Air Canada
Wed, Sep 16 - Tue, Sep 29
Air Canada Logo
8:55 am - 4:45 pm
STL
-
SDU
29h 50m
2 stops
Air Canada Logo
1:45 pm - 2:00 pm
SDU
-
STL
26h 15m
2 stops
$1,094Air Canada
Sat, Jun 27 - Wed, Jul 22
GOL Logo
6:24 pm - 8:40 am
STL
-
SDU
36h 16m
2 stops
GOL Logo
8:50 pm - 10:54 pm
SDU
-
STL
28h 04m
2 stops
$1,118GOL
Sat, Jul 4 - Tue, Jul 14
GOL Logo
6:19 pm - 10:25 pm
STL
-
SDU
26h 06m
2 stops
GOL Logo
9:55 am - 10:24 am
SDU
-
STL
26h 29m
2 stops
$1,119GOL
Mon, Sep 14 - Thu, Oct 1
Delta Logo
9:00 am - 8:35 am
STL
-
SDU
21h 35m
2 stops
Delta Logo
8:15 pm - 12:53 pm
SDU
-
STL
18h 38m
2 stops
$1,122Delta
Thu, Oct 29 - Tue, Nov 3
LATAM Airlines Logo
11:51 am - 8:35 am
STL
-
SDU
18h 44m
2 stops
LATAM Airlines Logo
8:15 pm - 10:48 am
SDU
-
STL
17h 33m
2 stops
$1,128LATAM Airlines
Mon, Sep 14 - Fri, Oct 2
GOL Logo
2:12 pm - 4:40 pm
STL
-
SDU
24h 28m
2 stops
GOL Logo
5:40 pm - 11:12 pm
SDU
-
STL
31h 32m
2 stops
$1,146GOL
Tue, Jun 9 - Sat, Jun 13
GOL Logo
11:15 am - 8:40 am
STL
-
SDU
43h 25m
2 stops
GOL Logo
12:20 pm - 10:35 am
SDU
-
STL
24h 15m
2 stops
$1,147GOL
Booking Insights

KAYAK's insights & trends for St. Louis to Santos Dumont flights

Get data-powered insights and trends into flights from St. Louis to Santos Dumont to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from St. Louis to Rio de Janeiro Santos Dumont?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from St. Louis to Rio de Janeiro Santos Dumont were found on GOL ($1,076) and Air Canada ($1,089).

Find deals

Good to know

Cheapest flight$478
Flight from St. Louis to Rio de Janeiro Santos Dumont

When to book flights from St. Louis to Santos Dumont

Are your dates flexible? Find out the best times to travel from St. Louis to Santos Dumont based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Rio de Janeiro Santos Dumont flights

  • What is the cheapest flight from St. Louis to Rio de Janeiro Santos Dumont Airport?

    In the last 3 days, the lowest price for a flight from St. Louis to Rio de Janeiro Santos Dumont Airport was $478 for a one-way ticket and $1,076 for a round-trip.

  • Do I need a passport to fly between St. Louis and Rio de Janeiro Santos Dumont?

    Yes, you'll most likely have to show a valid passport before boarding the plane in St. Louis and on arrival in Rio de Janeiro Santos Dumont.

  • Which aircraft models fly most regularly from St. Louis to Rio de Janeiro Santos Dumont?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Rio de Janeiro Santos Dumont?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Rio de Janeiro Santos Dumont.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Rio de Janeiro Santos Dumont?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Rio de Janeiro Santos Dumont?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rio de Janeiro Santos Dumont with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and SDU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Rio de Janeiro Santos Dumont?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rio de Janeiro Santos Dumont from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Santos Dumont

Information on your arrival and departure airports

St. Louis (STL)
Santos Dumont (SDU)