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$80+ Cheap flights from Connecticut to Louisville (SDF)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Connecticut to Louisville

Keep the following information in mind while searching for Connecticut to Louisville flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$168
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$491
From Connecticut to Louisville Intl
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One-way flight from Connecticut to Louisville Intl
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 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 Connecticut to Louisville

Cheapest flights from Connecticut to Louisville
Explore the most affordable flight options available from Connecticut to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
mié. 10/110:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Deal found 9/16$168
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:01 pmEWR - SDF
1 stop12h 18mMultiple Airlines
lun. 10/66:43 pmSDF - EWR
1 stop14h 17mMultiple Airlines
Deal found 9/16$176
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
lun. 11/37:15 amSDF - EWR
1 stop7h 44mSpirit Airlines
Deal found 9/15$177
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:55 amEWR - SDF
1 stop7h 00mSpirit Airlines
vie. 10/177:15 amSDF - EWR
1 stop6h 13mSpirit Airlines
Deal found 9/15$179
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/269:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
mar. 9/3010:14 amSDF - EWR
1 stop8h 38mSpirit Airlines
Deal found 9/16$187
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:37 pmEWR - SDF
1 stop18h 21mMultiple Airlines
lun. 12/88:52 pmSDF - EWR
1 stop16h 50mMultiple Airlines
Deal found 9/15$189
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:55 amEWR - SDF
1 stop7h 00mMultiple Airlines
vie. 10/178:52 pmSDF - EWR
1 stop25h 08mMultiple Airlines
Deal found 9/15$191
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
lun. 10/611:47 amSDF - EWR
1 stop21h 13mSpirit Airlines
Deal found 9/15$194
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
jue. 10/210:14 amSDF - EWR
1 stop12h 52mSpirit Airlines
Deal found 9/15$197
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2910:05 amEWR - SDF
1 stop11h 59mSpirit Airlines
mar. 9/3010:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Deal found 9/15$201
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/210:59 amLGA - SDF
1 stop11h 05mSpirit Airlines
mié. 10/85:31 pmSDF - LGA
1 stop17h 29mSpirit Airlines
Deal found 9/16$236
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/19:00 amJFK - SDF
1 stop4h 20mAmerican Airlines
mié. 11/54:18 pmSDF - JFK
1 stop4h 12mAmerican Airlines
Deal found 9/16$237

Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut to Louisville 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Connecticut to Louisville that are best for you.

Fly from

Connecticut

Fly to

Louisville

Route

Depart

Return

Price

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 11/1

10:05 am-12:26 pm

Nonstop2h 21m

Louisville Intl

mié. 11/5

1:07 pm-3:13 pm

Nonstop2h 06m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

vie. 11/7

9:05 pm-11:40 pm

Nonstop2h 35m

Louisville Intl

mié. 11/12

8:45 am-10:57 am

Nonstop2h 12m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

vie. 10/24

8:30 pm-11:00 pm

Nonstop2h 30m

Louisville Intl

dom. 10/26

6:34 am-8:44 am

Nonstop2h 10m

$216

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 10/18

6:30 pm-9:00 pm

Nonstop2h 30m

Louisville Intl

mar. 10/21

1:58 pm-7:27 pm

1 stop5h 29m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 11/15

7:18 am-1:17 pm

1 stop5h 59m

Louisville Intl

mar. 11/18

6:45 am-8:55 am

Nonstop2h 10m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

jue. 10/23

7:13 pm-12:01 am

1 stop4h 48m

Louisville Intl

mié. 10/29

6:00 am-12:18 pm

1 stop6h 18m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 10/18

6:00 am-9:50 am

1 stop3h 50m

Louisville Intl

mié. 10/22

7:09 am-12:24 pm

1 stop5h 15m

$229

New YorkLouisville

JFK - SDF

JFKSDF

New York John F Kennedy Intl

sáb. 11/1

9:00 am-1:20 pm

1 stop4h 20m

Louisville Intl

mié. 11/5

4:18 pm-8:30 pm

1 stop4h 12m

$237

New YorkLouisville

JFK - SDF

JFKSDF

New York John F Kennedy Intl

mié. 10/1

7:00 am-1:03 pm

1 stop6h 03m

Louisville Intl

mié. 10/8

8:18 am-2:58 pm

1 stop6h 40m

$239

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 10/4

6:00 am-9:46 am

1 stop3h 46m

Louisville Intl

mar. 10/7

10:29 am-4:51 pm

1 stop6h 22m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Connecticut 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 Connecticut to Louisville

What is the cheapest month to book a flight from Connecticut to Louisville?

Currently, January is the cheapest month in which you can book a flight from Connecticut to Louisville (average of $299). Flying from Connecticut to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CT to SDF?

Find hourly flight availability from Connecticut to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

When flying from Connecticut to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

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

  • What airport do you fly into for flights to Louisville from Connecticut?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from Connecticut. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How long is the flight from Connecticut to Louisville?

    United Airlines, American Airlines, and Delta can get you from Connecticut to Louisville in just under 2h 21m. Your travel time can differ by up to 1h 59m. Airlines will cover a distance of 640 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Connecticut to Louisville one-way?

    $81 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $149 and $157, respectively.

  • What are the most popular routes from Connecticut to Louisville?

    The most popular route from Connecticut to Louisville is New York LaGuardia - Louisville Intl. You may also consider Newark - Louisville Intl or New York John F Kennedy Intl - Louisville Intl.

  • Can I find deals for flights from Connecticut to Louisville that include hotel bookings?

    Yes. In addition to deals on Connecticut to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to Louisville?

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

  • Can I find deals for business class flights from Connecticut to Louisville?

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

  • What is the cheapest month to book a flight from Connecticut to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Connecticut to Louisville (average of $299). Flying from Connecticut to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Connecticut to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Connecticut to Louisville

Discover the top 4 airlines that operate flights from Connecticut to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$271Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$271Average$407FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$522FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$301Average$394FlexibilityNo cancel feeOn-time63%

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