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$73+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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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 noviembre 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/294:43 pmEWR - SDF
1 stop21h 32mMultiple Airlines
jue. 1/12:55 pmSDF - EWR
1 stop6h 05mMultiple Airlines
Deal found 11/24$218
This United Airlines deal was found by Cheapflights users on 11/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/258:44 pmEWR - SDF
Nonstop2h 38mUnited Airlines
lun. 1/59:05 amSDF - EWR
1 stop6h 20mUnited Airlines
Deal found 11/24$219
This American Airlines deal was found by Cheapflights users on 11/24. 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.
mié. 12/317:02 amEWR - SDF
1 stop10h 17mAmerican Airlines
sáb. 1/1012:56 pmSDF - EWR
1 stop4h 33mAmerican Airlines
Deal found 11/24$226
This Delta deal was found by Cheapflights users on 11/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:15 amEWR - SDF
1 stop6h 57mDelta
sáb. 1/107:40 amSDF - EWR
1 stop5h 16mDelta
Deal found 11/25$229
This Mytrip deal was found by Cheapflights users on 11/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/118:45 amEWR - SDF
2 stops25h 46mMultiple Airlines
lun. 12/1511:21 amSDF - EWR
1 stop12h 31mMultiple Airlines
Deal found 11/26$234
This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/3112:01 pmEWR - SDF
1 stop11h 58mMultiple Airlines
jue. 1/12:55 pmSDF - EWR
1 stop6h 05mMultiple Airlines
Deal found 11/24$235
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/125:00 pmEWR - SDF
Nonstop2h 27mUnited Airlines
mar. 12/1612:20 pmSDF - EWR
1 stop6h 36mUnited Airlines
Deal found 11/25$239
This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/48:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
lun. 12/811:21 amSDF - EWR
1 stop21h 41mMultiple Airlines
Deal found 11/24$241
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
dom. 12/78:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
jue. 12/112:55 pmSDF - EWR
1 stop6h 05mMultiple Airlines
Deal found 11/23$244
This Kiwi.com deal was found by Cheapflights users on 11/26. 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. 12/1112:01 pmEWR - SDF
2 stops20h 57mMultiple Airlines
vie. 12/1211:21 amSDF - EWR
1 stop7h 38mMultiple Airlines
Deal found 11/26$245
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/125:00 pmEWR - SDF
Nonstop2h 27mUnited Airlines
dom. 12/146:00 amSDF - EWR
Nonstop2h 12mUnited Airlines
Deal found 11/25$249
This Kiwi.com deal was found by Cheapflights users on 11/25. 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. 12/1012:26 pmPVD - SDF
1 stop25h 49mBreeze Airways
dom. 12/142:55 pmSDF - PVD
1 stop8h 49mBreeze Airways
Deal found 11/25$263

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 noviembre 26, 2025.

Round-trip from

$218
(Kiwi.com)

One-way from

$73
(Super.com)

Popular in

January

Cheapest in

August

Average price

$406
From Connecticut to Louisville Intl
Search Deals
One-way flight from Connecticut to Louisville Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 noviembre 26, 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

vie. 1/30

2:20 pm-8:28 pm

1 stop6h 08m

Louisville Intl

dom. 2/1

6:28 am-8:46 am

Nonstop2h 18m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

jue. 1/8

3:59 pm-8:56 pm

1 stop4h 57m

Louisville Intl

lun. 1/12

3:37 pm-9:00 pm

1 stop5h 23m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

jue. 1/29

7:00 am-2:36 pm

1 stop7h 36m

Louisville Intl

dom. 2/1

6:58 pm-11:13 pm

1 stop4h 15m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

vie. 12/12

8:57 pm-11:32 pm

Nonstop2h 35m

Louisville Intl

mar. 12/16

6:00 am-8:12 am

Nonstop2h 12m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

vie. 1/9

1:00 pm-5:32 pm

1 stop4h 32m

Louisville Intl

dom. 1/11

6:21 pm-11:13 pm

1 stop4h 52m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 1/7

6:00 am-11:37 am

1 stop5h 37m

Louisville Intl

dom. 1/11

6:00 am-10:58 am

1 stop4h 58m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

vie. 1/23

3:59 pm-8:56 pm

1 stop4h 57m

Louisville Intl

dom. 1/25

5:35 am-12:58 pm

1 stop7h 23m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 12/13

8:57 pm-11:32 pm

Nonstop2h 35m

Louisville Intl

mié. 12/17

12:20 pm-5:47 pm

1 stop5h 27m

$239

ProvidenceLouisville

PVD - SDF

PVDSDF

Providence-TFGreen

jue. 1/22

5:04 pm-1:00 pm

2 stops19h 56m

Louisville Intl

jue. 1/29

8:14 pm-2:33 pm

1 stop18h 19m

$254

ProvidenceLouisville

PVD - SDF

PVDSDF

Providence-TFGreen

mié. 12/10

12:26 pm-2:15 pm

1 stop25h 49m

Louisville Intl

dom. 12/14

2:55 pm-11:44 pm

1 stop8h 49m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

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, June is the cheapest month in which you can book a flight from Connecticut to Louisville (average of $109). Flying from Connecticut to Louisville in April is currently the most expensive (average of $276). 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 noviembre 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Connecticut to Louisville by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Connecticut to Louisville?

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, Delta, and Breeze Airways can get you from Connecticut to Louisville in just under 4h 57m. Your travel time can differ by up to 20h 52m. 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?

    $93 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 Breeze Airways and Delta, with prices starting from $104 and $145, 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, June is the cheapest month in which you can book a flight from Connecticut to Louisville (average of $109). Flying from Connecticut to Louisville in April is currently the most expensive (average of $276). 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

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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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$387FlexibilityNo cancel feeOn-time71%
DeltaCheapest$271Average$381FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$280Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$436FlexibilityNo cancel feeOn-time69%

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