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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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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
Mon 12/1511:21 amSDF - EWR
1 stop21h 41mMultiple Airlines
Deal found 11/20$211
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/1110:30 amEWR - SDF
Nonstop2h 26mUnited Airlines
Sat 12/135:57 pmSDF - EWR
1 stop6h 16mUnited Airlines
Deal found 11/18$219
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Tue 12/25:55 amEWR - SDF
2 stops11h 58mMultiple Airlines
Mon 12/811:21 amSDF - EWR
1 stop21h 41mMultiple Airlines
Deal found 11/18$223
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/317:02 amEWR - SDF
1 stop10h 17mAmerican Airlines
Sat 1/101:15 pmSDF - EWR
1 stop5h 32mAmerican Airlines
Deal found 11/19$226
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/127:07 amEWR - SDF
1 stop5h 23mAmerican Airlines
Sun 12/147:30 amSDF - EWR
1 stop5h 33mAmerican Airlines
Deal found 11/20$229
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Wed 12/32:38 pmEWR - SDF
2 stops20h 22mSpirit Airlines
Fri 12/511:55 amSDF - EWR
1 stop7h 04mSpirit Airlines
Deal found 11/19$234
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:01 pmEWR - SDF
1 stop22h 59mSpirit Airlines
Sun 12/1411:55 amSDF - EWR
1 stop21h 07mSpirit Airlines
Deal found 11/20$246
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/47:00 amPVD - SDF
1 stop8h 15mMultiple Airlines
Mon 12/811:21 amSDF - PVD
2 stops12h 09mMultiple Airlines
Deal found 11/19$247
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/58:57 pmEWR - SDF
Nonstop2h 35mUnited Airlines
Sun 12/79:00 amSDF - EWR
Nonstop2h 12mUnited Airlines
Deal found 11/19$249
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Thu 12/47:30 amHVN - SDF
2 stops27h 01mMultiple Airlines
Mon 12/811:21 amSDF - HVN
1 stop11h 19mMultiple Airlines
Deal found 11/19$274
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/187:00 amLGA - SDF
2 stops16h 59mSpirit Airlines
Wed 12/315:05 amSDF - LGA
1 stop18h 32mSpirit Airlines
Deal found 11/18$278
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/157:00 amLGA - SDF
1 stop5h 30mAmerican Airlines
Wed 12/249:20 amSDF - LGA
1 stop5h 44mAmerican Airlines
Deal found 11/20$279

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 20, 2025.

Round-trip from

$211
(Kiwi.com)

One-way from

$80
(Kiwi.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 ($38 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 November 20, 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

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Thu 2/5

6:00 am-1:26 pm

1 stop7h 26m

Louisville Intl

Sun 2/8

2:26 pm-5:08 pm

1 stop26h 42m

$218

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 2/19

5:59 pm-11:50 pm

1 stop5h 51m

Louisville Intl

Wed 2/25

10:46 am-4:04 pm

1 stop5h 18m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 12/31

6:15 am-1:12 pm

1 stop6h 57m

Louisville Intl

Sat 1/10

10:51 am-5:29 pm

1 stop6h 38m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 1/23

3:59 pm-11:50 pm

1 stop7h 51m

Louisville Intl

Sun 1/25

5:35 am-12:58 pm

1 stop7h 23m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 3/28

7:30 am-1:17 pm

1 stop5h 47m

Louisville Intl

Wed 4/1

9:55 am-4:20 pm

1 stop6h 25m

$239

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Mon 1/12

6:00 am-8:17 pm

1 stop14h 17m

Louisville Intl

Fri 1/16

10:57 am-10:53 pm

2 stops11h 56m

$250

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Wed 1/28

9:25 am-1:35 pm

1 stop4h 10m

Louisville Intl

Sat 1/31

5:45 am-11:55 am

1 stop6h 10m

$266

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 12/5

5:49 pm-11:59 pm

1 stop6h 10m

Louisville Intl

Mon 12/8

6:16 pm-11:03 pm

1 stop4h 47m

$269

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Thu 2/5

4:46 pm-10:30 pm

1 stop5h 44m

Louisville Intl

Sat 2/7

8:29 am-2:24 pm

1 stop5h 55m

$271

New HavenLouisville

HVN - SDF

HVNSDF

Tweed-New Haven

Thu 12/4

7:30 am-10:31 am

2 stops27h 01m

Louisville Intl

Mon 12/8

11:21 am-10:40 pm

1 stop11h 19m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 20, 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?

    Breeze Airways, Delta, and United Airlines can get you from Connecticut to Louisville in just under 5h 47m. Your travel time can differ by up to 1h 39m. 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 Breeze Airways. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $112 and $140, 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 20, 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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