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Cheap flights from Louisville to Rio de Janeiro from $611

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Rio de Janeiro departing on 9/25. 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 Louisville to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:00 am - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
28h 45m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 4:49 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
29h 04m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,083United Airlines
Thu, Feb 4 - Mon, Feb 15
Azul Logo
5:45 pm - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
22h 00m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
Azul Logo
6:50 pm - 2:37 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
20h 47m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$1,219Azul
Mon, Sep 7 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 11:10 amSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
26h 10m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
Multiple Airlines Logo
5:30 pm - 10:34 amSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
19h 04m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$1,291Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
United Airlines Logo
5:45 pm - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
22h 00m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 10:18 amSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
21h 33m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$1,298United Airlines
Wed, Aug 26 - Thu, Sep 3
United Airlines Logo
1:50 pm - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
25h 55m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 12:39 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
23h 54m2 stops Sao Paulo Guarulhos Intl Newark
$1,303United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
5:45 pm - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
22h 00m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 10:18 amSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
21h 33m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$1,348United Airlines
Wed, Aug 26 - Thu, Sep 3
United Airlines Logo
10:05 am - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
29h 40m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 7:11 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
30h 26m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,388United Airlines
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
5:45 pm - 4:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
22h 00m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 10:18 amSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
21h 33m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$1,407United Airlines
Wed, Aug 26 - Thu, Sep 3
United Airlines Logo
6:30 pm - 5:45 pmSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
46h 15m2 stops Newark Sao Paulo Guarulhos Intl
United Airlines Logo
1:45 pm - 1:15 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
24h 30m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$1,491United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
6:10 pm - 11:10 amSDF  Louisville Intl-SDU Rio de Janeiro Santos Dumont
40h 00m2 stops Newark Sao Paulo Guarulhos Intl
United Airlines Logo
5:30 pm - 5:40 pmSDU  Rio de Janeiro Santos Dumont-SDF Louisville Intl
25h 10m2 stops Sao Paulo Guarulhos Intl Newark
$1,864United Airlines
Fri, Sep 18 - Sat, Sep 26

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United Airlines flights from Louisville to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on Louisville to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Feb 4
SDF10:00 amLouisville Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Feb 15
SDU1:45 pmRio de Janeiro Santos Dumont
29h 04m
2 stops
SDF4:49 pmLouisville Intl
$1,083
United Airlines
Aug 26
SDF5:45 pmLouisville Intl
22h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Sep 3
SDU1:45 pmRio de Janeiro Santos Dumont
21h 33m
2 stops
SDF10:18 amLouisville Intl
$1,298
United Airlines
Sep 22
SDF1:50 pmLouisville Intl
25h 55m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Sep 29
SDU1:45 pmRio de Janeiro Santos Dumont
23h 54m
2 stops
SDF12:39 pmLouisville Intl
$1,303

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

Our best LATAM Airlines deals on Louisville to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
Feb 4
SDF7:00 amLouisville Intl
32h 25m
2 stops
SDU5:25 pmRio de Janeiro Santos Dumont
Feb 15
SDU6:15 amRio de Janeiro Santos Dumont
29h 39m
2 stops
SDF9:54 amLouisville Intl
$3,160
LATAM Airlines
Oct 8
SDF1:59 pmLouisville Intl
17h 36m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
Oct 14
SDU8:10 pmRio de Janeiro Santos Dumont
17h 44m
2 stops
SDF12:54 pmLouisville Intl
$3,233

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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 13, 2026.
Use the filters below to find and compare flights from Louisville to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Thu 2/4

10:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Mon 2/15

1:45 pm-4:49 pm

2 stops29h 04m

$1,083
Quickest round-trip

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Mon 9/7

5:45 pm-4:45 pm

2 stops22h 00m

Rio de Janeiro Santos Dumont

Mon 9/14

6:50 pm-2:37 pm

2 stops20h 47m

$1,219

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Sat 11/7

7:00 am-11:10 am

2 stops26h 10m

Rio de Janeiro Santos Dumont

Sat 11/14

5:30 pm-10:34 am

2 stops19h 04m

$1,291

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Wed 8/26

5:45 pm-4:45 pm

2 stops22h 00m

Rio de Janeiro Santos Dumont

Thu 9/3

1:45 pm-10:18 am

2 stops21h 33m

$1,298

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Tue 9/22

1:50 pm-4:45 pm

2 stops25h 55m

Rio de Janeiro Santos Dumont

Tue 9/29

1:45 pm-12:39 pm

2 stops23h 54m

$1,303

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Wed 8/26

5:45 pm-4:45 pm

2 stops22h 00m

Rio de Janeiro Santos Dumont

Thu 9/3

1:45 pm-10:18 am

2 stops21h 33m

$1,348

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Wed 9/23

10:05 am-4:45 pm

2 stops29h 40m

Rio de Janeiro Santos Dumont

Wed 9/30

1:45 pm-7:11 pm

2 stops30h 26m

$1,388

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Wed 8/26

5:45 pm-4:45 pm

2 stops22h 00m

Rio de Janeiro Santos Dumont

Thu 9/3

1:45 pm-10:18 am

2 stops21h 33m

$1,407

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Fri 9/25

6:30 pm-5:45 pm

2 stops46h 15m

Rio de Janeiro Santos Dumont

Fri 10/2

1:45 pm-1:15 pm

2 stops24h 30m

$1,491

LouisvilleRio de Janeiro

SDF Louisville Intl - SDU Rio de Janeiro Santos Dumont

SDFSDU

Louisville Intl

Fri 9/18

6:10 pm-11:10 am

2 stops40h 00m

Rio de Janeiro Santos Dumont

Sat 9/26

5:30 pm-5:40 pm

2 stops25h 10m

$1,864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from Louisville 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 Louisville Intl to Rio de Janeiro Santos Dumont?

LATAM Airlines is the most popular carrier operating from Louisville Intl to Rio de Janeiro Santos Dumont

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

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

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

Fastest flight time

17h 36m

Direct flights

None
The fastest flight from Louisville to Rio de Janeiro Santos Dumont Airport takes 17h 36m
There are no direct flights from Louisville to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Louisville to Rio de Janeiro Santos Dumont Airport.
Search flight deals

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

  • How far is Louisville Intl to Rio de Janeiro Santos Dumont by plane?

    A flight from Louisville Intl to Rio de Janeiro Santos Dumont will travel around 5043.7 mi. By plane, this route typically takes 17h 36m.

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

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

  • How old do you have to be to fly from Louisville Intl 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 Louisville Intl 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 Louisville to Rio de Janeiro?

It is quick and easy to find Louisville to Rio de Janeiro flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rio de Janeiro that suits you.

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

Yes. momondo allows you to filter the results for Louisville to Rio de Janeiro flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Rio de Janeiro from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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