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.

$593+ Flights from Kentucky to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Kentucky to Santos Dumont

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$598 (Mytrip)

Provider with most accurate pricing for Louisville Intl-Rio de Janeiro (RIO) flight deals.

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Provider most trusted by Cheapflights users for Louisville Intl-Rio de Janeiro (RIO) flights.

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From Kentucky to Rio de Janeiro Santos Dumont

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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 April 16, 2025.

Tue 6/35:39 pmBNA - SDU

2 stops26h 46mMultiple Airlines

Tue 6/1011:15 amSDU - BNA

2 stops32h 25mMultiple Airlines

Deal found 4/16

$598

Thu 9/1810:15 amBNA - SDU

2 stops27h 35mAir Canada

Mon 9/227:55 amSDU - BNA

2 stops35h 48mAir Canada

Deal found 4/16

$981

Wed 7/167:30 pmSDF - SDU

2 stops20h 25mLATAM Airlines

Tue 7/228:20 pmSDU - SDF

2 stops23h 43mLATAM Airlines

Deal found 4/15

$1,176

Mon 7/2810:00 amSDF - SDU

2 stops28h 50mUnited Airlines

Sun 8/31:00 pmSDU - SDF

2 stops26h 40mUnited Airlines

Deal found 4/15

$1,263

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 April 16, 2025.

Tue 6/35:39 pmBNA - SDU

2 stops26h 46mMultiple Airlines

Tue 6/1011:15 amSDU - BNA

2 stops32h 25mMultiple Airlines

Deal found 4/16

$598

Mon 5/1910:20 amBNA - SDU

2 stops27h 30mAir Canada

Thu 5/297:55 amSDU - BNA

2 stops39h 09mAir Canada

Deal found 4/15

$820

Tue 5/208:15 amBNA - SDU

2 stops27h 20mDelta

Sat 5/318:20 pmSDU - BNA

2 stops18h 38mDelta

Deal found 4/15

$1,096

Tue 6/176:05 pmBNA - SDU

2 stops19h 45mUnited Airlines

Tue 7/221:00 pmSDU - BNA

2 stops22h 39mUnited Airlines

Deal found 4/15

$1,141

Wed 7/167:30 pmSDF - SDU

2 stops20h 25mLATAM Airlines

Tue 7/228:20 pmSDU - SDF

2 stops23h 43mLATAM Airlines

Deal found 4/15

$1,176

Mon 7/2810:00 amSDF - SDU

2 stops28h 50mUnited Airlines

Sun 8/31:00 pmSDU - SDF

2 stops26h 40mUnited Airlines

Deal found 4/15

$1,263

Last-minute flights from Kentucky to Santos Dumont
Discover last-minute flight deals from Kentucky to Santos Dumont. Data last updated April 16, 2025 and is based on user searches.

Wed 5/212:00 pmBNA - SDU

2 stops16h 50mMultiple Airlines

Wed 5/286:00 amSDU - BNA

2 stops27h 15mMultiple Airlines

Deal found 4/16

$874

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 6/3

5:39 pm-10:25 pm

2 stops26h 46m

Rio de Janeiro Santos Dumont

Tue 6/10

11:15 am-5:40 pm

2 stops32h 25m

$598

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Mon 5/19

10:20 am-3:50 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

Thu 5/29

7:55 am-9:04 pm

2 stops39h 09m

$820

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Tue 5/20

8:15 am-1:35 pm

2 stops27h 20m

Rio de Janeiro Santos Dumont

Sat 5/31

8:20 pm-12:58 pm

2 stops18h 38m

$1,096

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Tue 6/17

6:05 pm-3:50 pm

2 stops19h 45m

Rio de Janeiro Santos Dumont

Tue 7/22

1:00 pm-9:39 am

2 stops22h 39m

$1,141

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Wed 7/16

7:30 pm-4:55 pm

2 stops20h 25m

Rio de Janeiro Santos Dumont

Tue 7/22

8:20 pm-7:03 pm

2 stops23h 43m

$1,176

LouisvilleRio de Janeiro

SDF - SDU

SDFSDU

Louisville Intl

Mon 7/28

10:00 am-3:50 pm

2 stops28h 50m

Rio de Janeiro Santos Dumont

Sun 8/3

1:00 pm-2:40 pm

2 stops26h 40m

$1,263

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Sun 5/25

8:15 am-3:50 pm

2 stops29h 35m

$593

NashvilleRio de Janeiro

BNA - SDU

BNASDU

Nashville Intl

Sun 5/25

7:34 am-3:50 pm

3 stops30h 16m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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

Rainfall in Santos Dumont by month

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.

Temperature in Santos Dumont by month

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).

Reviews of airlines servicing Santos Dumont

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,761 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

9,134 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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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$593+ 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 5/25. 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 April 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

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 April 16, 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 April 16, 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

Rainfall in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average rainfall totals by month.

Temperature in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average temperature totals by month.

Reviews of airlines servicing Santos Dumont

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.

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.

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Book with Flexibility

Travel Smart

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 April 16, 2025.