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Cheap flights from San Antonio to Rio de Janeiro from $706

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Rio de Janeiro departing on 12/28. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Antonio to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:30 am - 2:40 pm
SAT
-
SDU
31h 10m
2 stops
LATAM Airlines Logo
6:10 am - 12:33 am
SDU
-
SAT
44h 23m
2 stops
$1,247LATAM Airlines
Tue, Oct 13 - Sun, Oct 18
United Airlines Logo
7:00 am - 4:45 pm
SAT
-
SDU
31h 45m
2 stops
United Airlines Logo
1:45 pm - 11:04 am
SDU
-
SAT
23h 19m
2 stops
$1,277United Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
5:59 pm - 4:45 pm
SAT
-
SDU
44h 46m
2 stops
United Airlines Logo
1:45 pm - 3:43 pm
SDU
-
SAT
27h 58m
2 stops
$1,284United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
5:59 pm - 4:45 pm
SAT
-
SDU
44h 46m
2 stops
United Airlines Logo
1:45 pm - 5:43 pm
SDU
-
SAT
29h 58m
2 stops
$1,297United Airlines
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
4:12 pm - 4:45 pm
SAT
-
SDU
46h 33m
3 stops
United Airlines Logo
1:45 pm - 5:43 pm
SDU
-
SAT
29h 58m
2 stops
$1,325United Airlines
Wed, Sep 2 - Mon, Sep 7
Multiple Airlines Logo
5:30 pm - 4:45 pm
SAT
-
SDU
21h 15m
2 stops
Multiple Airlines Logo
1:45 pm - 12:11 pm
SDU
-
SAT
24h 26m
2 stops
$1,326Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
6:25 am - 11:10 am
SAT
-
SDU
26h 45m
2 stops
United Airlines Logo
1:45 pm - 4:39 pm
SDU
-
SAT
29h 54m
2 stops
$1,335United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
5:30 pm - 4:45 pm
SAT
-
SDU
21h 15m
2 stops
United Airlines Logo
1:45 pm - 11:41 am
SDU
-
SAT
23h 56m
2 stops
$1,375United Airlines
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
1:00 pm - 4:45 pm
SAT
-
SDU
25h 45m
2 stops
United Airlines Logo
1:45 pm - 11:41 am
SDU
-
SAT
23h 56m
2 stops
$1,388United Airlines
Wed, Sep 23 - Mon, Sep 28
United Airlines Logo
11:45 am - 5:45 pm
SAT
-
SDU
28h 00m
3 stops
United Airlines Logo
1:45 pm - 8:29 am
SDU
-
SAT
21h 44m
2 stops
$1,395United Airlines
Sat, Oct 31 - Wed, Nov 4

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LATAM Airlines flights from San Antonio to Rio de Janeiro Santos Dumont Airport

Our best LATAM Airlines deals on San Antonio to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
Oct 13
SAT5:30 amSan Antonio
31h 10m
2 stops
SDU2:40 pmRio de Janeiro Santos Dumont
Oct 18
SDU6:10 amRio de Janeiro Santos Dumont
44h 23m
2 stops
SAT12:33 amSan Antonio
$1,247
LATAM Airlines
Oct 12
SAT1:41 pmSan Antonio
16h 54m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
Oct 19
SDU8:10 pmRio de Janeiro Santos Dumont
18h 25m
2 stops
SAT12:35 pmSan Antonio
$1,465
LATAM Airlines
Dec 30
SAT4:25 pmSan Antonio
26h 35m
2 stops
SDU10:00 pmRio de Janeiro Santos Dumont
Jan 6
SDU6:00 amRio de Janeiro Santos Dumont
34h 22m
2 stops
SAT1:22 pmSan Antonio
$1,491

United Airlines flights from San Antonio to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on San Antonio to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Oct 14
SAT7:00 amSan Antonio
31h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Oct 19
SDU1:45 pmRio de Janeiro Santos Dumont
23h 19m
2 stops
SAT11:04 amSan Antonio
$1,277
United Airlines
Sep 2
SAT5:59 pmSan Antonio
44h 46m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Sep 9
SDU1:45 pmRio de Janeiro Santos Dumont
27h 58m
2 stops
SAT3:43 pmSan Antonio
$1,284
United Airlines
Sep 2
SAT5:59 pmSan Antonio
44h 46m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Sep 7
SDU1:45 pmRio de Janeiro Santos Dumont
29h 58m
2 stops
SAT5:43 pmSan Antonio
$1,297

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Rio de Janeiro Santos Dumont 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 1, 2026.
Use the filters below to find and compare flights from San Antonio to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Tue 10/13

5:30 am-2:40 pm

2 stops31h 10m

Rio de Janeiro Santos Dumont

Sun 10/18

6:10 am-12:33 am

2 stops44h 23m

$1,247

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 10/14

7:00 am-4:45 pm

2 stops31h 45m

Rio de Janeiro Santos Dumont

Mon 10/19

1:45 pm-11:04 am

2 stops23h 19m

$1,277

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/2

5:59 pm-4:45 pm

2 stops44h 46m

Rio de Janeiro Santos Dumont

Wed 9/9

1:45 pm-3:43 pm

2 stops27h 58m

$1,284

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/2

5:59 pm-4:45 pm

2 stops44h 46m

Rio de Janeiro Santos Dumont

Mon 9/7

1:45 pm-5:43 pm

2 stops29h 58m

$1,297

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/2

4:12 pm-4:45 pm

3 stops46h 33m

Rio de Janeiro Santos Dumont

Mon 9/7

1:45 pm-5:43 pm

2 stops29h 58m

$1,325

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/23

5:30 pm-4:45 pm

2 stops21h 15m

Rio de Janeiro Santos Dumont

Wed 9/30

1:45 pm-12:11 pm

2 stops24h 26m

$1,326

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sat 10/31

6:25 am-11:10 am

2 stops26h 45m

Rio de Janeiro Santos Dumont

Wed 11/4

1:45 pm-4:39 pm

2 stops29h 54m

$1,335
Quickest round-trip

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/23

5:30 pm-4:45 pm

2 stops21h 15m

Rio de Janeiro Santos Dumont

Tue 9/29

1:45 pm-11:41 am

2 stops23h 56m

$1,375

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 9/23

1:00 pm-4:45 pm

2 stops25h 45m

Rio de Janeiro Santos Dumont

Mon 9/28

1:45 pm-11:41 am

2 stops23h 56m

$1,388

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sat 10/31

11:45 am-5:45 pm

3 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/4

1:45 pm-8:29 am

2 stops21h 44m

$1,395

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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When to book flights from San Antonio to Rio de Janeiro Santos Dumont Airport

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

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

Fastest flight time

16h 40m

Direct flights

None
The fastest flight from San Antonio to Rio de Janeiro Santos Dumont Airport takes 16h 40m
There are no direct flights from San Antonio to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from San Antonio to Rio de Janeiro Santos Dumont Airport.
Search flight deals

Frequently asked questions about flying from San Antonio to Rio de Janeiro Santos Dumont Airport

  • How far is San Antonio to Rio de Janeiro Santos Dumont by plane?

    Rio de Janeiro Santos Dumont is 5152.5 mi away from San Antonio. 16h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Antonio Airport to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from San Antonio Airport to Rio de Janeiro Santos Dumont Airport were last updated today.

  • How old do you have to be to fly from San Antonio Airport to Rio de Janeiro Santos Dumont Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio 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.

Frequently asked questions about flying from San Antonio to Rio de Janeiro Santos Dumont Airport

  • How do I get Price Alerts for flights from San Antonio to Rio de Janeiro Santos Dumont Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to San Antonio 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 San Antonio to Rio de Janeiro Santos Dumont Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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 San Antonio to Rio de Janeiro?

Finding the right flight to Rio de Janeiro from San Antonio 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 Rio de Janeiro quick and easy, saving you time and money.

Can I find flights from San Antonio to Rio de Janeiro with flexible booking policies on momondo?

Yes. All flights to Rio de Janeiro from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Rio de Janeiro?

Once you have performed a search for San Antonio to Rio de Janeiro flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Rio de Janeiro from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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