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Cheap flights from Austin to Rio de Janeiro from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Rio de Janeiro departing on 1/1. 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

LATAM Airlines Logo
5:00 pm - 1:20 pmAUS-SDU
18h 20m2 stops
LATAM Airlines Logo
8:05 pm - 12:35 pmSDU-AUS
18h 30m2 stops
$527LATAM Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
LATAM Airlines Logo
11:50 am - 1:40 pmAUS-SDU
23h 50m2 stops
LATAM Airlines Logo
1:55 pm - 2:44 pmSDU-AUS
26h 49m2 stops
$537LATAM Airlines
Find Deal
Mon, Sep 8 - Thu, Sep 25
LATAM Airlines Logo
1:28 pm - 2:30 pmAUS-SDU
23h 02m2 stops
LATAM Airlines Logo
2:20 pm - 10:00 amSDU-AUS
21h 40m2 stops
$542LATAM Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 27
LATAM Airlines Logo
1:49 pm - 1:15 pmAUS-SDU
20h 26m2 stops
LATAM Airlines Logo
8:05 pm - 11:13 amSDU-AUS
18h 08m2 stops
$567LATAM Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 11
GOL Logo
4:54 pm - 12:25 pmAUS-SDU
17h 31m2 stops
GOL Logo
3:45 pm - 9:19 amSDU-AUS
19h 34m2 stops
$659GOL
Find Deal
Mon, Sep 8 - Tue, Sep 30
Air Canada Logo
10:00 am - 2:20 pmAUS-SDU
26h 20m2 stops
Air Canada Logo
11:25 am - 7:55 pmSDU-AUS
34h 30m2 stops
$733Air Canada
Find Deal
Tue, Sep 16 - Wed, Sep 24
Air Canada Logo
11:20 am - 2:20 pmAUS-SDU
25h 00m2 stops
Air Canada Logo
11:25 am - 7:55 pmSDU-AUS
34h 30m2 stops
$740Air Canada
Find Deal
Mon, Sep 15 - Wed, Oct 1
Logo
11:20 am - 2:20 pmAUS-SDU
25h 00m2 stops
Logo
11:25 am - 7:55 pmSDU-AUS
34h 30m2 stops
$745
Find Deal
Thu, Sep 11 - Wed, Sep 24
Logo
7:15 am - 4:45 pmAUS-SDU
30h 30m3 stops
Logo
10:05 am - 9:30 amSDU-AUS
26h 25m2 stops
$753
Find Deal
Thu, Nov 6 - Sun, Nov 16
Delta Logo
10:52 am - 1:15 pmAUS-SDU
23h 23m2 stops
Delta Logo
8:05 pm - 4:38 pmSDU-AUS
23h 33m2 stops
$807Delta
Find Deal
Mon, Feb 16 - Wed, Feb 18

LATAM Airlines flights from Austin to Rio de Janeiro Santos Dumont Airport

Our best LATAM Airlines deals on Austin to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
Oct 23
AUS5:00 pmAustin Bergstrom
18h 20m
2 stops
SDU1:20 pmRio de Janeiro Santos Dumont
Oct 28
SDU8:05 pmRio de Janeiro Santos Dumont
18h 30m
2 stops
AUS12:35 pmAustin Bergstrom
$527
Find similar
LATAM Airlines
Sep 8
AUS11:50 amAustin Bergstrom
23h 50m
2 stops
SDU1:40 pmRio de Janeiro Santos Dumont
Sep 25
SDU1:55 pmRio de Janeiro Santos Dumont
26h 49m
2 stops
AUS2:44 pmAustin Bergstrom
$537
Find similar
LATAM Airlines
Sep 12
AUS1:28 pmAustin Bergstrom
23h 02m
2 stops
SDU2:30 pmRio de Janeiro Santos Dumont
Sep 27
SDU2:20 pmRio de Janeiro Santos Dumont
21h 40m
2 stops
AUS10:00 amAustin Bergstrom
$542
Find similar

Air Canada flights from Austin to Rio de Janeiro Santos Dumont Airport

Our best Air Canada deals on Austin to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
Sep 16
AUS10:00 amAustin Bergstrom
26h 20m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Sep 24
SDU11:25 amRio de Janeiro Santos Dumont
34h 30m
2 stops
AUS7:55 pmAustin Bergstrom
$733
Find similar
Air Canada
Sep 15
AUS11:20 amAustin Bergstrom
25h 00m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Oct 1
SDU11:25 amRio de Janeiro Santos Dumont
34h 30m
2 stops
AUS7:55 pmAustin Bergstrom
$740
Find similar
Air Canada
Nov 25
AUS1:00 pmAustin Bergstrom
22h 20m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Dec 10
SDU11:25 amRio de Janeiro Santos Dumont
27h 49m
2 stops
AUS12:14 pmAustin Bergstrom
$747
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin 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 27, 2025.
Use the filters below to find and compare flights from Austin to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 10/23

5:00 pm-1:20 pm

2 stops18h 20m

Rio de Janeiro Santos Dumont

Tue 10/28

8:05 pm-12:35 pm

2 stops18h 30m

$527

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 9/8

11:50 am-1:40 pm

2 stops23h 50m

Rio de Janeiro Santos Dumont

Thu 9/25

1:55 pm-2:44 pm

2 stops26h 49m

$537

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Fri 9/12

1:28 pm-2:30 pm

2 stops23h 02m

Rio de Janeiro Santos Dumont

Sat 9/27

2:20 pm-10:00 am

2 stops21h 40m

$542

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Wed 11/26

1:49 pm-1:15 pm

2 stops20h 26m

Rio de Janeiro Santos Dumont

Thu 12/11

8:05 pm-11:13 am

2 stops18h 08m

$567

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 9/8

4:54 pm-12:25 pm

2 stops17h 31m

Rio de Janeiro Santos Dumont

Tue 9/30

3:45 pm-9:19 am

2 stops19h 34m

$659

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Tue 9/16

10:00 am-2:20 pm

2 stops26h 20m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-7:55 pm

2 stops34h 30m

$733

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 9/15

11:20 am-2:20 pm

2 stops25h 00m

Rio de Janeiro Santos Dumont

Wed 10/1

11:25 am-7:55 pm

2 stops34h 30m

$740

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 9/11

11:20 am-2:20 pm

2 stops25h 00m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-7:55 pm

2 stops34h 30m

$745

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Thu 11/6

7:15 am-4:45 pm

3 stops30h 30m

Rio de Janeiro Santos Dumont

Sun 11/16

10:05 am-9:30 am

2 stops26h 25m

$753

AustinRio de Janeiro

AUS - SDU

AUSSDU

Austin Bergstrom

Mon 2/16

10:52 am-1:15 pm

2 stops23h 23m

Rio de Janeiro Santos Dumont

Wed 2/18

8:05 pm-4:38 pm

2 stops23h 33m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Austin to Rio de Janeiro Santos Dumont Airport

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 airline that flies from Austin Bergstrom to Rio de Janeiro Santos Dumont?

LATAM Airlines and Air Canada are the most popular carriers operating from Austin Bergstrom to Rio de Janeiro Santos Dumont

When to book flights from Austin to Rio de Janeiro Santos Dumont Airport

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

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

Direct flights

None
There are no direct flights from Austin to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Austin to Rio de Janeiro Santos Dumont Airport.
Search flight deals

  • How far is Austin Bergstrom to Rio de Janeiro Santos Dumont by plane?

    Austin Bergstrom and Rio de Janeiro Santos Dumont are 5154.3 mi apart from one another. Flights usually cover this in 17h 16m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Austin Bergstrom Airport to Rio de Janeiro Santos Dumont Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom 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.

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Rio de Janeiro?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Austin to Rio de Janeiro flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Austin 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 Austin. 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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