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$79+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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.
Wed 12/316:15 amEWR - SDF
1 stop6h 57mDelta
Sat 1/1010:51 amSDF - EWR
1 stop6h 38mDelta
Deal found 12/10$229
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Thu 12/1811:05 amEWR - SDF
1 stop21h 53mMultiple Airlines
Mon 1/58:52 pmSDF - EWR
1 stop19h 26mMultiple Airlines
Deal found 12/11$232
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Mon 12/294:43 pmEWR - SDF
1 stop21h 32mMultiple Airlines
Mon 1/58:52 pmSDF - EWR
1 stop19h 26mMultiple Airlines
Deal found 12/11$241
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Thu 12/1811:05 amEWR - SDF
1 stop21h 53mMultiple Airlines
Thu 1/12:55 pmSDF - EWR
1 stop6h 05mMultiple Airlines
Deal found 12/11$249
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/1811:05 amEWR - SDF
1 stop21h 53mMultiple Airlines
Thu 12/252:55 pmSDF - EWR
1 stop6h 05mMultiple Airlines
Deal found 12/10$252
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Thu 12/1811:05 amEWR - SDF
1 stop21h 53mMultiple Airlines
Tue 12/305:05 amSDF - EWR
1 stop13h 36mMultiple Airlines
Deal found 12/11$255
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/257:10 amEWR - SDF
1 stop6h 03mUnited Airlines
Thu 12/252:22 pmSDF - EWR
1 stop4h 07mUnited Airlines
Deal found 12/11$259
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Mon 12/294:43 pmEWR - SDF
1 stop21h 32mMultiple Airlines
Tue 1/65:05 amSDF - EWR
2 stops26h 55mMultiple Airlines
Deal found 12/11$262
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Thu 12/1811:05 amEWR - SDF
1 stop21h 53mMultiple Airlines
Fri 12/198:52 pmSDF - EWR
1 stop19h 26mMultiple Airlines
Deal found 12/11$264
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/297:00 amLGA - SDF
1 stop6h 30mAmerican Airlines
Fri 1/27:24 pmSDF - LGA
1 stop3h 56mAmerican Airlines
Deal found 12/11$279
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/318:59 pmEWR - SDF
Nonstop2h 38mUnited Airlines
Sat 1/106:26 amSDF - EWR
Nonstop2h 18mUnited Airlines
Deal found 12/10$279
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/176:00 amLGA - SDF
1 stop6h 30mAmerican Airlines
Fri 1/27:24 pmSDF - LGA
1 stop3h 56mAmerican Airlines
Deal found 12/10$284

Find flight deals from Connecticut to Louisville

Keep the following information in mind while searching for Connecticut to Louisville flight deals. Data was last updated December 12, 2025.

Round-trip from

$174
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$400
From Connecticut to Louisville Intl
Search Deals
One-way flight from Connecticut to Louisville Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 12, 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

Thu 2/12

4:59 pm-7:25 pm

Nonstop2h 26m

Louisville Intl

Mon 2/16

10:45 am-12:57 pm

Nonstop2h 12m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 3/7

9:26 pm-11:59 pm

Nonstop2h 33m

Louisville Intl

Sat 3/14

8:15 am-10:27 am

Nonstop2h 12m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/8

8:45 pm-11:23 pm

Nonstop2h 38m

Louisville Intl

Thu 1/15

8:30 am-10:46 am

Nonstop2h 16m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/22

8:45 pm-11:23 pm

Nonstop2h 38m

Louisville Intl

Sun 1/25

8:29 am-2:08 pm

1 stop5h 39m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 1/14

10:30 am-1:05 pm

Nonstop2h 35m

Louisville Intl

Sun 1/18

5:35 am-12:18 pm

1 stop6h 43m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 3/12

1:00 pm-7:42 pm

1 stop6h 42m

Louisville Intl

Thu 3/19

6:00 am-8:11 am

Nonstop2h 11m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 3/12

7:00 am-2:00 pm

1 stop7h 00m

Louisville Intl

Thu 3/19

7:37 pm-12:56 am

1 stop5h 19m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 3/31

7:00 am-2:00 pm

1 stop7h 00m

Louisville Intl

Wed 4/8

7:45 am-12:03 pm

1 stop4h 18m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/22

6:00 am-11:37 am

1 stop5h 37m

Louisville Intl

Mon 1/26

7:51 pm-12:55 am

1 stop5h 04m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 4/11

9:30 pm-11:55 pm

Nonstop2h 25m

Louisville Intl

Sat 4/18

2:35 pm-7:09 pm

1 stop4h 34m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December 12, 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.

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 American Airlines can get you from Connecticut to Louisville in just under 2h 26m. Your travel time can differ by up to 12h 49m. 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?

    $108 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $128 and $128, respectively.

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

    The most popular route from Connecticut to Louisville is Newark - Louisville Intl. You may also consider New York LaGuardia - 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$271Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$386FlexibilityNo cancel feeOn-time63%

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