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Cheap flights from Louisville to Rio de Janeiro from $368

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 3/18. 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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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
3:30 pm - 11:10 am
SDF
-
SDU
18h 40m
2 stops
United Airlines Logo
5:30 pm - 2:47 pm
SDU
-
SDF
22h 17m
2 stops
$1,276United Airlines
Sat, May 9 - Sat, May 16
United Airlines Logo
3:30 pm - 4:40 pm
SDF
-
SDU
24h 10m
2 stops
United Airlines Logo
1:45 pm - 1:17 pm
SDU
-
SDF
24h 32m
2 stops
$1,306United Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
5:47 pm - 4:45 pm
SDF
-
SDU
21h 58m
2 stops
United Airlines Logo
5:30 pm - 1:22 pm
SDU
-
SDF
20h 52m
2 stops
$1,373United Airlines
Sun, May 10 - Sat, May 16
United Airlines Logo
5:35 am - 2:35 pm
SDF
-
SDU
31h 00m
2 stops
United Airlines Logo
5:30 pm - 1:23 pm
SDU
-
SDF
21h 53m
2 stops
$1,515United Airlines
Fri, Feb 20 - Sat, Feb 28
United Airlines Logo
3:30 pm - 4:40 pm
SDF
-
SDU
23h 10m
2 stops
United Airlines Logo
2:50 pm - 5:19 pm
SDU
-
SDF
28h 29m
2 stops
$1,550United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
9:15 am - 4:45 pm
SDF
-
SDU
30h 30m
2 stops
United Airlines Logo
1:45 pm - 1:17 pm
SDU
-
SDF
24h 32m
2 stops
$1,611United Airlines
Sun, Apr 5 - Fri, Apr 10
United Airlines Logo
3:30 pm - 5:45 pm
SDF
-
SDU
25h 15m
2 stops
United Airlines Logo
5:30 pm - 8:00 pm
SDU
-
SDF
27h 30m
2 stops
$3,721United Airlines
Sat, May 9 - Sat, May 16

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
May 9
SDF3:30 pmLouisville Intl
18h 40m
2 stops
SDU11:10 amRio de Janeiro Santos Dumont
May 16
SDU5:30 pmRio de Janeiro Santos Dumont
22h 17m
2 stops
SDF2:47 pmLouisville Intl
$1,276
United Airlines
Mar 12
SDF3:30 pmLouisville Intl
24h 10m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 19
SDU1:45 pmRio de Janeiro Santos Dumont
24h 32m
2 stops
SDF1:17 pmLouisville Intl
$1,306
United Airlines
May 10
SDF5:47 pmLouisville Intl
21h 58m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
May 16
SDU5:30 pmRio de Janeiro Santos Dumont
20h 52m
2 stops
SDF1:22 pmLouisville Intl
$1,373

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 January 28, 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

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Sat 5/9

3:30 pm-11:10 am

2 stops18h 40m

Rio de Janeiro Santos Dumont

Sat 5/16

5:30 pm-2:47 pm

2 stops22h 17m

$1,276

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Thu 3/12

3:30 pm-4:40 pm

2 stops24h 10m

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-1:17 pm

2 stops24h 32m

$1,306

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Sun 5/10

5:47 pm-4:45 pm

2 stops21h 58m

Rio de Janeiro Santos Dumont

Sat 5/16

5:30 pm-1:22 pm

2 stops20h 52m

$1,373

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Fri 2/20

5:35 am-2:35 pm

2 stops31h 00m

Rio de Janeiro Santos Dumont

Sat 2/28

5:30 pm-1:23 pm

2 stops21h 53m

$1,515

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 2/25

3:30 pm-4:40 pm

2 stops23h 10m

Rio de Janeiro Santos Dumont

Sun 3/1

2:50 pm-5:19 pm

2 stops28h 29m

$1,550

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Sun 4/5

9:15 am-4:45 pm

2 stops30h 30m

Rio de Janeiro Santos Dumont

Fri 4/10

1:45 pm-1:17 pm

2 stops24h 32m

$1,611

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Sat 5/9

3:30 pm-5:45 pm

2 stops25h 15m

Rio de Janeiro Santos Dumont

Sat 5/16

5:30 pm-8:00 pm

2 stops27h 30m

$3,721

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 3/18

12:03 pm-6:40 pm

2 stops29h 37m

$368

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 3/18

12:03 pm-3:00 pm

3 stops25h 57m

$405

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Thu 3/5

12:12 pm-1:15 pm

2 stops23h 03m

$685

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 and United Airlines are the most popular carriers 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

18h 40m

Direct flights

None
The fastest flight from Louisville to Rio de Janeiro Santos Dumont Airport takes 18h 40m
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.
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  • 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 18h 40m.

  • 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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