How long is the flight from Kentucky to Rio de Janeiro Santos Dumont Airport?

A quick flight from Kentucky to Rio de Janeiro Santos Dumont Airport can take about 21h 25m. Delta provides one of the quickest options available for as low as $1,383. Airlines will cover a distance of 5039 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

What is the cheapest month to fly from Kentucky to Rio de Janeiro Santos Dumont Airport?

May can be a great time to fly to Rio de Janeiro Santos Dumont Airport from Kentucky with a flight ticket averaging about $1,099. Cheapflights users have found deals in the month of May for as cheap as $542. The most expensive prices can be found in the month of April.

What is the cheapest time of day to fly from KY to SDU?

When flying from Kentucky to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Kentucky to Santos Dumont that include hotel bookings?

Yes. In addition to deals on Kentucky to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kentucky to Santos Dumont?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Santos Dumont.

Can I find deals for business class flights from Kentucky to Santos Dumont?

Yes. Cheapflights offers flight deals from Kentucky to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$581+ Flights from Kentucky to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Kentucky to Santos Dumont

Round-trip from	$654 (Mytrip)
One-way from	$581 (KAYAK)
Popular in	April
Cheapest in	May
Average price	$1,043

From Kentucky to Rio de Janeiro Santos Dumont

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One-way flight from Kentucky to Rio de Janeiro Santos Dumont

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High demand for flights, 3% potential price rise

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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Kentucky to Santos Dumont

Cheapest flights from Kentucky to Santos Dumont
Explore the most affordable flight options available from Kentucky to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Tue 10/2810:44 amBNA - SDU

2 stops25h 26mMultiple Airlines

Tue 11/48:25 pmSDU - BNA

2 stops27h 47mMultiple Airlines

Deal found 9/13

$644

Thu 10/305:05 amBNA - SDU

3 stops27h 15mMultiple Airlines

Thu 11/63:05 pmSDU - BNA

2 stops33h 07mMultiple Airlines

Deal found 9/15

$654

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Mon 11/39:00 pmSDU - BNA

3 stops25h 10mMultiple Airlines

Deal found 9/14

$668

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Sun 10/266:05 amSDU - BNA

3 stops43h 15mMultiple Airlines

Deal found 9/13

$695

Wed 11/261:26 pmBNA - SDU

2 stops22h 04mMultiple Airlines

Mon 12/15:25 pmSDU - BNA

3 stops22h 06mMultiple Airlines

Deal found 9/15

$818

Fri 11/143:09 pmSDF - SDU

2 stops20h 06mDelta

Sun 11/308:05 pmSDU - SDF

2 stops18h 02mDelta

Deal found 9/13

$4,948

Best flights from Kentucky to Santos Dumont
Discover carefully curated flight deals from Kentucky to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Tue 10/2810:44 amBNA - SDU

2 stops25h 26mMultiple Airlines

Tue 11/48:25 pmSDU - BNA

2 stops27h 47mMultiple Airlines

Deal found 9/13

$644

Wed 2/1812:40 pmSDF - SDU

2 stops42h 45mDelta

Sun 2/228:05 pmSDU - SDF

2 stops19h 45mDelta

Deal found 9/14

$1,278

Thu 10/305:05 amBNA - SDU

3 stops27h 15mMultiple Airlines

Thu 11/63:05 pmSDU - BNA

2 stops33h 07mMultiple Airlines

Deal found 9/15

$654

Wed 2/181:55 pmSDF - SDU

2 stops22h 25mUnited Airlines

Sun 2/222:50 pmSDU - SDF

2 stops25h 57mUnited Airlines

Deal found 9/12

$1,309

Sat 3/710:10 amSDF - SDU

2 stops21h 25mLATAM Airlines

Sat 3/142:00 pmSDU - SDF

2 stops22h 37mLATAM Airlines

Deal found 9/14

$1,383

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Mon 11/39:00 pmSDU - BNA

3 stops25h 10mMultiple Airlines

Deal found 9/14

$668

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Sun 10/266:05 amSDU - BNA

3 stops43h 15mMultiple Airlines

Deal found 9/13

$695

Wed 11/261:26 pmBNA - SDU

2 stops22h 04mMultiple Airlines

Mon 12/15:25 pmSDU - BNA

3 stops22h 06mMultiple Airlines

Deal found 9/15

$818

Thu 9/188:35 pmBNA - SDU

2 stops32h 30mMultiple Airlines

Sat 9/208:40 pmSDU - BNA

2 stops28h 43mMultiple Airlines

Deal found 9/14

$960

Fri 11/143:09 pmSDF - SDU

2 stops20h 06mDelta

Sun 11/308:05 pmSDU - SDF

2 stops18h 02mDelta

Deal found 9/13

$4,948

Last-minute flights from Kentucky to Santos Dumont
Discover last-minute flight deals from Kentucky to Santos Dumont. Data last updated September 15, 2025 and is based on user searches.

Mon 9/158:35 pmBNA - SDU

2 stops23h 50mMultiple Airlines

Sun 9/217:30 pmSDU - BNA

3 stops29h 04mMultiple Airlines

Deal found 9/15

$960

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Mon 11/39:00 pmSDU - BNA

3 stops25h 10mMultiple Airlines

Deal found 9/14

$668

Fri 10/245:05 amBNA - SDU

3 stops31h 15mMultiple Airlines

Sun 10/266:05 amSDU - BNA

3 stops43h 15mMultiple Airlines

Deal found 9/13

$695

Tue 10/2810:44 amBNA - SDU

2 stops25h 26mMultiple Airlines

Tue 11/48:25 pmSDU - BNA

2 stops27h 47mMultiple Airlines

Deal found 9/13

$644

Thu 10/305:05 amBNA - SDU

3 stops27h 15mMultiple Airlines

Thu 11/63:05 pmSDU - BNA

2 stops33h 07mMultiple Airlines

Deal found 9/15

$654

One-way flights from Kentucky to Santos Dumont
Search for one-way flight options from Kentucky to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Wed 12/311:45 pmSDF - SDU

2 stops21h 30mLATAM Airlines

Deal found 9/15

$581

Thu 1/14:39 pmSDF - SDU

2 stops23h 36mLATAM Airlines

Deal found 9/15

$617

Fri 12/265:05 amBNA - SDU

2 stops26h 35mMultiple Airlines

Deal found 9/14

$633

Mon 12/296:51 pmSDF - SDU

2 stops23h 49mLATAM Airlines

Deal found 9/15

$677

Fri 1/26:51 pmSDF - SDU

2 stops17h 59mLATAM Airlines

Deal found 9/15

$726

Tue 12/306:51 pmSDF - SDU

2 stops24h 34mLATAM Airlines

Deal found 9/15

$807

Sat 12/276:51 pmSDF - SDU

2 stops18h 39mLATAM Airlines

Deal found 9/15

$2,632

Fri 12/262:24 pmSDF - SDU

2 stops17h 11mLATAM Airlines

Deal found 9/15

$3,693

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kentucky to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Tue 10/28

10:44 am-2:10 pm

2 stops25h 26m

Rio de Janeiro Santos Dumont

Tue 11/4

8:25 pm-9:12 pm

2 stops27h 47m

$644

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Thu 10/30

5:05 am-10:20 am

3 stops27h 15m

Rio de Janeiro Santos Dumont

Thu 11/6

3:05 pm-9:12 pm

2 stops33h 07m

$654

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Fri 10/24

5:05 am-2:20 pm

3 stops31h 15m

Rio de Janeiro Santos Dumont

Mon 11/3

9:00 pm-7:10 pm

3 stops25h 10m

$668

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Fri 10/24

5:05 am-2:20 pm

3 stops31h 15m

Rio de Janeiro Santos Dumont

Sun 10/26

6:05 am-11:20 pm

3 stops43h 15m

$695

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Wed 11/26

1:26 pm-2:30 pm

2 stops22h 04m

Rio de Janeiro Santos Dumont

Mon 12/1

5:25 pm-12:31 pm

3 stops22h 06m

$818

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Thu 9/18

8:35 pm-7:05 am

2 stops32h 30m

Rio de Janeiro Santos Dumont

Sat 9/20

8:40 pm-11:23 pm

2 stops28h 43m

$960

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 2/18

12:40 pm-9:25 am

2 stops42h 45m

Rio de Janeiro Santos Dumont

Sun 2/22

8:05 pm-1:50 pm

2 stops19h 45m

$1,278

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 2/18

1:55 pm-2:20 pm

2 stops22h 25m

Rio de Janeiro Santos Dumont

Sun 2/22

2:50 pm-2:47 pm

2 stops25h 57m

$1,309

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Sat 3/7

10:10 am-9:35 am

2 stops21h 25m

Rio de Janeiro Santos Dumont

Sat 3/14

2:00 pm-11:37 am

2 stops22h 37m

$1,383

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Fri 11/14

3:09 pm-1:15 pm

2 stops20h 06m

Rio de Janeiro Santos Dumont

Sun 11/30

8:05 pm-12:07 pm

2 stops18h 02m

$4,948

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results

Best time to book a flight from Kentucky to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Kentucky with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Rio de Janeiro Santos Dumont Airport

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Related info for your journey

How long is the flight from Kentucky to Rio de Janeiro Santos Dumont Airport?
A quick flight from Kentucky to Rio de Janeiro Santos Dumont Airport can take about 21h 25m. Delta provides one of the quickest options available for as low as $1,383. Airlines will cover a distance of 5039 mi. This flight may include one or multiple stops.
Can I find deals for flights from Kentucky to Santos Dumont that include hotel bookings?
Yes. In addition to deals on Kentucky to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kentucky to Santos Dumont?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Santos Dumont.
Can I find deals for business class flights from Kentucky to Santos Dumont?
Yes. Cheapflights offers flight deals from Kentucky to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$581+ Cheap flights from Kentucky to Santos Dumont, Brazil (SDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kentucky to Santos Dumont with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kentucky to Santos Dumont

Keep the following information in mind while searching for Kentucky to Santos Dumont flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kentucky to Santos Dumont

Cheapest flights from Kentucky to Santos DumontExplore the most affordable flight options available from Kentucky to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Kentucky to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kentucky to Rio de Janeiro Santos Dumont Airport that are best for you.

Best time to book a flight from Kentucky to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Kentucky with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Rio de Janeiro Santos Dumont Airport

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Kentucky to Rio de Janeiro Santos Dumont Airport?

Can I find deals for flights from Kentucky to Santos Dumont that include hotel bookings?

How can I find direct flights from Kentucky to Santos Dumont?

Can I find deals for business class flights from Kentucky to Santos Dumont?

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Cheapest flights from Kentucky to Santos Dumont
Explore the most affordable flight options available from Kentucky to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.