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Cheap flights from Louisville to Rio de Janeiro from $650

This is the cheapest round-trip 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 9/18. 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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0 bags

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Find the cheapest flights from Louisville to Rio de Janeiro (SDF-SDU)

Cheap round-trip flights

Logo
10:14 am - 1:00 pmSDF-SDU
25h 46m2 stops
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6:10 am - 9:19 amSDU-SDF
28h 09m2 stops
$650
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Thu, Sep 18 - Thu, Sep 25
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10:14 am - 8:40 amSDF-SDU
21h 26m3 stops
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6:10 am - 9:19 amSDU-SDF
28h 09m2 stops
$672
Find Deal
Thu, Sep 18 - Thu, Sep 25
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10:14 am - 8:40 amSDF-SDU
21h 26m3 stops
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6:30 am - 9:19 amSDU-SDF
27h 49m3 stops
$709
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Thu, Sep 18 - Thu, Sep 25
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7:58 pm - 10:25 pmSDF-SDU
25h 27m2 stops
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6:10 am - 6:53 pmSDU-SDF
37h 43m3 stops
$770
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Mon, Aug 18 - Thu, Aug 21
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7:58 pm - 10:25 pmSDF-SDU
25h 27m2 stops
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9:55 am - 6:53 pmSDU-SDF
33h 58m2 stops
$837
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Mon, Aug 18 - Thu, Aug 21
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12:24 pm - 1:05 pmSDF-SDU
23h 41m3 stops
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6:10 am - 6:53 pmSDU-SDF
37h 43m3 stops
$926
Find Deal
Mon, Aug 18 - Thu, Aug 21

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 5, 2025.
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

Thu 9/18

10:14 am-1:00 pm

2 stops25h 46m

Rio de Janeiro Santos Dumont

Thu 9/25

6:10 am-9:19 am

2 stops28h 09m

$650

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Thu 9/18

10:14 am-8:40 am

3 stops21h 26m

Rio de Janeiro Santos Dumont

Thu 9/25

6:10 am-9:19 am

2 stops28h 09m

$672

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Thu 9/18

10:14 am-8:40 am

3 stops21h 26m

Rio de Janeiro Santos Dumont

Thu 9/25

6:30 am-9:19 am

3 stops27h 49m

$709

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Mon 8/18

7:58 pm-10:25 pm

2 stops25h 27m

Rio de Janeiro Santos Dumont

Thu 8/21

6:10 am-6:53 pm

3 stops37h 43m

$770

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Mon 8/18

7:58 pm-10:25 pm

2 stops25h 27m

Rio de Janeiro Santos Dumont

Thu 8/21

9:55 am-6:53 pm

2 stops33h 58m

$837

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Mon 8/18

12:24 pm-1:05 pm

3 stops23h 41m

Rio de Janeiro Santos Dumont

Thu 8/21

6:10 am-6:53 pm

3 stops37h 43m

$926

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Best Price Found

$650

Fastest flight time

21h 26m

Direct flights

None
The best flight deal from Louisville to Rio de Janeiro Santos Dumont Airport found on momondo in the last 72 hours is $650
The fastest flight from Louisville to Rio de Janeiro Santos Dumont Airport takes 21h 26m
There are no direct flights from Louisville to Rio de Janeiro Santos Dumont Airport. Popular non-direct route for this connection is Louisville Intl Airport - 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 21h 26m.

  • 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.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Louisville 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 Louisville 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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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