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$82+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/48:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Mon 12/811:55 amSDF - EWR
2 stops19h 53mMultiple Airlines
Deal found 11/6$210
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/118:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Sun 12/1411:55 amSDF - EWR
1 stop21h 07mMultiple Airlines
Deal found 11/5$218
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/278:00 amEWR - SDF
1 stop6h 45mUnited Airlines
Tue 12/26:00 amSDF - EWR
Nonstop2h 12mUnited Airlines
Deal found 11/4$219
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/48:45 amEWR - SDF
1 stop24h 13mMultiple Airlines
Sun 12/77:44 pmSDF - EWR
2 stops17h 16mMultiple Airlines
Deal found 11/4$221
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/125:55 pmEWR - SDF
1 stop26h 08mMultiple Airlines
Fri 11/148:52 pmSDF - EWR
1 stop14h 07mMultiple Airlines
Deal found 11/4$222
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/46:00 amEWR - SDF
1 stop6h 13mDelta
Mon 12/86:16 pmSDF - EWR
1 stop4h 47mDelta
Deal found 11/6$229
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/47:10 amBDL - SDF
2 stops25h 48mBreeze Airways
Thu 12/112:55 pmSDF - BDL
1 stop8h 39mBreeze Airways
Deal found 11/4$231
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Sun 11/165:45 amEWR - SDF
1 stop27h 13mMultiple Airlines
Fri 11/218:52 pmSDF - EWR
1 stop13h 38mMultiple Airlines
Deal found 11/4$232
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 11/125:55 pmEWR - SDF
1 stop26h 08mMultiple Airlines
Mon 11/177:11 pmSDF - EWR
1 stop16h 57mMultiple Airlines
Deal found 11/4$238
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Fri 11/146:38 amEWR - SDF
1 stop11h 38mMultiple Airlines
Mon 11/177:46 pmSDF - EWR
2 stops23h 27mMultiple Airlines
Deal found 11/4$239
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/202:38 pmEWR - SDF
2 stops18h 10mMultiple Airlines
Mon 11/248:52 pmSDF - EWR
1 stop13h 38mMultiple Airlines
Deal found 11/6$241
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Fri 11/146:00 amLGA - SDF
1 stop12h 16mMultiple Airlines
Mon 11/177:46 pmSDF - LGA
3 stops21h 13mMultiple Airlines
Deal found 11/4$242

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 November 6, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$82
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$421
From Connecticut to Louisville Intl
Search Deals
One-way flight from Connecticut to Louisville Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 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 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 November 6, 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

Wed 12/31

6:15 am-1:12 pm

1 stop6h 57m

Louisville Intl

Sat 1/10

7:00 am-12:58 pm

1 stop5h 58m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 1/7

8:00 am-2:40 pm

1 stop6h 40m

Louisville Intl

Sun 1/11

6:21 pm-11:15 pm

1 stop4h 54m

$229

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Sat 1/31

3:20 pm-10:25 pm

1 stop7h 05m

Louisville Intl

Tue 2/3

5:35 am-11:35 am

1 stop6h 00m

$245

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Fri 12/5

4:42 pm-10:29 pm

1 stop5h 47m

Louisville Intl

Sun 12/7

7:00 am-2:16 pm

1 stop7h 16m

$245

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Tue 1/13

2:40 pm-8:51 pm

1 stop6h 11m

Louisville Intl

Thu 1/15

6:21 pm-11:40 pm

1 stop5h 19m

$245

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 11/22

10:05 am-12:26 pm

Nonstop2h 21m

Louisville Intl

Mon 12/1

8:17 am-10:29 am

Nonstop2h 12m

$249

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 12/5

8:57 pm-11:32 pm

Nonstop2h 35m

Louisville Intl

Sun 12/7

6:00 am-8:12 am

Nonstop2h 12m

$259

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Thu 1/1

5:40 pm-11:05 pm

1 stop5h 25m

Louisville Intl

Wed 1/7

5:35 am-11:35 am

1 stop6h 00m

$264

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Tue 1/13

9:25 am-1:35 pm

1 stop4h 10m

Louisville Intl

Tue 1/20

5:35 am-2:50 pm

2 stops9h 15m

$265

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 11/22

6:00 pm-12:06 am

1 stop6h 06m

Louisville Intl

Mon 11/24

6:16 pm-12:51 am

1 stop6h 35m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 November 6, 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?

    Delta, Southwest, and United Airlines can get you from Connecticut to Louisville in just under 5h 47m. Your travel time can differ by up to 1h 18m. Airlines will cover a distance of 736 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?

    $102 is the cheapest one-way deal found within the past few days, from Breeze Airways. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $121 and $129, 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$270Average$395FlexibilityNo cancel feeOn-time71%
DeltaCheapest$271Average$387FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$280Average$390FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$481FlexibilityNo cancel feeOn-time69%

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