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Cheap flights from San Antonio to Rio de Janeiro from $1,038

This is the cheapest round-trip 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 4/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:22 pm - 4:40 pm
SAT
-
SDU
25h 18m
2 stops
Multiple Airlines Logo
6:45 pm - 11:51 pm
SDU
-
SAT
31h 06m
3 stops
$1,038Multiple Airlines
Thu, Apr 2 - Wed, Apr 15
United Airlines Logo
7:15 pm - 4:45 pm
SAT
-
SDU
43h 30m
2 stops
United Airlines Logo
1:45 pm - 4:09 pm
SDU
-
SAT
28h 24m
2 stops
$1,188United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
5:18 pm - 4:45 pm
SAT
-
SDU
21h 27m
2 stops
United Airlines Logo
1:45 pm - 4:03 pm
SDU
-
SAT
28h 18m
2 stops
$1,207United Airlines
Sun, May 31 - Mon, Jun 8
United Airlines Logo
7:35 pm - 4:45 pm
SAT
-
SDU
43h 10m
2 stops
United Airlines Logo
1:45 pm - 10:59 am
SDU
-
SAT
23h 14m
2 stops
$1,213United Airlines
Sun, May 31 - Mon, Jun 8
United Airlines Logo
7:35 pm - 4:45 pm
SAT
-
SDU
43h 10m
2 stops
United Airlines Logo
1:45 pm - 11:59 pm
SDU
-
SAT
36h 14m
3 stops
$1,238United Airlines
Sun, May 31 - Mon, Jun 8
United Airlines Logo
2:14 pm - 4:45 pm
SAT
-
SDU
24h 31m
2 stops
United Airlines Logo
1:45 pm - 5:43 pm
SDU
-
SAT
29h 58m
2 stops
$1,241United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
5:18 pm - 4:45 pm
SAT
-
SDU
21h 27m
2 stops
United Airlines Logo
1:45 pm - 12:12 pm
SDU
-
SAT
24h 27m
2 stops
$1,291United Airlines
Sun, May 31 - Mon, Jun 8
United Airlines Logo
11:46 am - 4:45 pm
SAT
-
SDU
26h 59m
2 stops
United Airlines Logo
1:50 pm - 8:42 am
SDU
-
SAT
20h 52m
2 stops
$1,301United Airlines
Thu, Apr 2 - Wed, Apr 15
United Airlines Logo
9:52 am - 4:45 pm
SAT
-
SDU
28h 53m
2 stops
United Airlines Logo
1:50 pm - 11:11 am
SDU
-
SAT
23h 21m
2 stops
$1,302United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
5:18 pm - 4:45 pm
SAT
-
SDU
21h 27m
2 stops
United Airlines Logo
1:45 pm - 8:37 pm
SDU
-
SAT
32h 52m
3 stops
$1,316United Airlines
Sun, May 31 - Mon, Jun 8

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
Jul 1
SAT12:10 pmSan Antonio
23h 00m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Jul 6
SDU8:15 pmRio de Janeiro Santos Dumont
21h 06m
2 stops
SAT3:21 pmSan Antonio
$1,601
LATAM Airlines
May 22
SAT7:30 amSan Antonio
23h 05m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
May 27
SDU8:15 pmRio de Janeiro Santos Dumont
20h 32m
2 stops
SAT2:47 pmSan Antonio
$1,848
LATAM Airlines
May 22
SAT2:27 pmSan Antonio
20h 43m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
May 27
SDU1:55 pmRio de Janeiro Santos Dumont
23h 08m
2 stops
SAT11:03 amSan Antonio
$2,312

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
Apr 21
SAT7:15 pmSan Antonio
43h 30m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Apr 28
SDU1:45 pmRio de Janeiro Santos Dumont
28h 24m
2 stops
SAT4:09 pmSan Antonio
$1,188
United Airlines
May 31
SAT5:18 pmSan Antonio
21h 27m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Jun 8
SDU1:45 pmRio de Janeiro Santos Dumont
28h 18m
2 stops
SAT4:03 pmSan Antonio
$1,207
United Airlines
May 31
SAT7:35 pmSan Antonio
43h 10m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Jun 8
SDU1:45 pmRio de Janeiro Santos Dumont
23h 14m
2 stops
SAT10:59 amSan Antonio
$1,213

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 March 3, 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

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Thu 4/2

1:22 pm-4:40 pm

2 stops25h 18m

Rio de Janeiro Santos Dumont

Wed 4/15

6:45 pm-11:51 pm

3 stops31h 06m

$1,038

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Tue 4/21

7:15 pm-4:45 pm

2 stops43h 30m

Rio de Janeiro Santos Dumont

Tue 4/28

1:45 pm-4:09 pm

2 stops28h 24m

$1,188

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sun 5/31

5:18 pm-4:45 pm

2 stops21h 27m

Rio de Janeiro Santos Dumont

Mon 6/8

1:45 pm-4:03 pm

2 stops28h 18m

$1,207

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sun 5/31

7:35 pm-4:45 pm

2 stops43h 10m

Rio de Janeiro Santos Dumont

Mon 6/8

1:45 pm-10:59 am

2 stops23h 14m

$1,213

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sun 5/31

7:35 pm-4:45 pm

2 stops43h 10m

Rio de Janeiro Santos Dumont

Mon 6/8

1:45 pm-11:59 pm

3 stops36h 14m

$1,238

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Wed 4/15

2:14 pm-4:45 pm

2 stops24h 31m

Rio de Janeiro Santos Dumont

Wed 4/22

1:45 pm-5:43 pm

2 stops29h 58m

$1,241

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sun 5/31

5:18 pm-4:45 pm

2 stops21h 27m

Rio de Janeiro Santos Dumont

Mon 6/8

1:45 pm-12:12 pm

2 stops24h 27m

$1,291

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Thu 4/2

11:46 am-4:45 pm

2 stops26h 59m

Rio de Janeiro Santos Dumont

Wed 4/15

1:50 pm-8:42 am

2 stops20h 52m

$1,301

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Thu 3/19

9:52 am-4:45 pm

2 stops28h 53m

Rio de Janeiro Santos Dumont

Mon 3/23

1:50 pm-11:11 am

2 stops23h 21m

$1,302

San AntonioRio de Janeiro

SAT - SDU

SATSDU

San Antonio

Sun 5/31

5:18 pm-4:45 pm

2 stops21h 27m

Rio de Janeiro Santos Dumont

Mon 6/8

1:45 pm-8:37 pm

3 stops32h 52m

$1,316

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

20h 22m

Direct flights

None
The fastest flight from San Antonio to Rio de Janeiro Santos Dumont Airport takes 20h 22m
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

  • 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. 20h 22m 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.

  • 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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