Louisville

$68+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
Jul 6 — Jul 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Connecticut to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Fri 8/217:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 8/2410:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/5$122
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/137:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 7/2010:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/3$153
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Fri 6/197:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 6/2210:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/5$157
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 6/227:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Fri 6/2610:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/1$163
This Expedia deal was found by Cheapflights users on 6/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 am
PVD
-
SDF
1 stop11h 05m
Breeze Airways
Sun 9/66:55 pm
SDF
-
PVD
1 stop3h 52m
Breeze Airways
Deal found 6/4$171
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Mon 6/157:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Fri 6/2610:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/5$172
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Mon 6/157:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 6/2210:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/5$177
This Priceline deal was found by Cheapflights users on 6/1. 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.
Fri 6/267:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 6/2910:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/1$178
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 8/37:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Fri 8/710:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/1$182
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/137:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Fri 7/1710:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 6/3$183
This Breeze Airways deal was found by Cheapflights users on 6/3. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Wed 8/122:56 pm
SDF
-
BDL
1 stop3h 56m
Breeze Airways
Deal found 6/3$184
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/187:10 am
PVD
-
SDF
1 stop11h 05m
Breeze Airways
Sun 6/216:55 pm
SDF
-
PVD
1 stop3h 52m
Breeze Airways
Deal found 6/4$220

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 June 6, 2026.

Round-trip from

$122
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

September

Cheapest in

January

Average price

$349

Good round-trip deal

$99 or less

Good one-way deal

$69 or less
From Connecticut to Louisville Intl
One-way flight from Connecticut to Louisville Intl
Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Connecticut to Louisville Intl.
Price to beat on a one-way flight from Connecticut to Louisville Intl.

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 June 6, 2026.
Use the filters below to find and compare flights from Connecticut to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 8/7

8:25 pm-10:50 pm

Nonstop2h 25m

Louisville Intl

Sun 8/9

6:30 am-8:38 am

Nonstop2h 08m

$239

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 7/17

2:35 pm-5:11 pm

Nonstop2h 36m

Louisville Intl

Mon 7/20

4:47 pm-10:27 pm

1 stop5h 40m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 7/17

2:35 pm-5:11 pm

Nonstop2h 36m

Louisville Intl

Wed 7/22

4:47 pm-10:27 pm

1 stop5h 40m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 8/14

7:00 pm-12:34 am

1 stop5h 34m

Louisville Intl

Sun 8/16

6:00 am-8:12 am

Nonstop2h 12m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 8/13

8:59 am-2:18 pm

1 stop5h 19m

Louisville Intl

Sun 8/16

6:00 am-8:12 am

Nonstop2h 12m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 7/16

6:20 pm-8:59 pm

Nonstop2h 39m

Louisville Intl

Sun 7/19

6:00 am-11:43 am

1 stop5h 43m

$279

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Wed 8/5

6:59 am-12:21 pm

1 stop5h 22m

Louisville Intl

Sun 8/9

6:00 am-8:12 am

Nonstop2h 12m

$279

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 7/16

6:20 pm-8:59 pm

Nonstop2h 39m

Louisville Intl

Mon 7/20

4:47 pm-10:27 pm

1 stop5h 40m

$279

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Wed 7/1

7:15 am-12:05 pm

1 stop4h 50m

Louisville Intl

Mon 7/6

3:35 pm-8:20 pm

1 stop4h 45m

$309

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 7/24

8:25 pm-10:50 pm

Nonstop2h 25m

Louisville Intl

Sun 7/26

6:30 am-8:38 am

Nonstop2h 08m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 $54). Flying from Connecticut to Louisville in April is currently the most expensive (average of $387). 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 June 6, 2026.

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.

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

How far ahead should I book a flight from Connecticut to Louisville?

The price you pay for your flight from Connecticut to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 25m. Your travel time can differ by up to 4h 36m. 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?

    $56 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 American Airlines and United Airlines, with prices starting from $108 and $129, respectively.

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

  • What are the cheapest flights from Connecticut to Louisville?

    While on average a flight from Connecticut to Louisville is generally $84, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Newark - Louisville Intl), you can expect to pay $239 for that flight.

  • 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 $54). Flying from Connecticut to Louisville in April is currently the most expensive (average of $387). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Connecticut to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Connecticut to Louisville

Discover the top 5 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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$71Average$153FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$238Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$378FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$280Average$406FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.