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$69+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SDF
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 6/17:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Fri 6/510:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 4/6$123
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 6/17:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Thu 6/46:55 pm
SDF
-
BDL
1 stop27h 53m
Breeze Airways
Deal found 4/6$183
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 6/267:35 am
BDL
-
SDF
Nonstop2h 20m
Breeze Airways
Mon 7/610:35 am
SDF
-
BDL
Nonstop2h 10m
Breeze Airways
Deal found 4/8$197
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Sun 5/36:00 am
BDL
-
SDF
1 stop7h 26m
Breeze Airways
Sun 5/106:55 pm
SDF
-
BDL
1 stop27h 53m
Breeze Airways
Deal found 4/5$201
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/287:55 pm
EWR
-
SDF
1 stop13h 33m
Spirit Airlines
Mon 6/110:33 am
SDF
-
EWR
1 stop22h 26m
Spirit Airlines
Deal found 4/4$209
This Kiwi.com deal was found by Cheapflights users on 4/5. 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
Sun 8/306:55 pm
SDF
-
BDL
1 stop27h 53m
Breeze Airways
Deal found 4/5$216
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/3010:29 pm
EWR
-
SDF
2 stops18h 35m
Multiple Airlines
Mon 5/410:33 am
SDF
-
EWR
1 stop22h 26m
Multiple Airlines
Deal found 4/4$220
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Mon 5/410:29 pm
EWR
-
SDF
2 stops34h 07m
Multiple Airlines
Mon 5/1110:33 am
SDF
-
EWR
1 stop22h 26m
Multiple Airlines
Deal found 4/4$225
This Southwest deal was found by Cheapflights users on 4/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:55 am
LGA
-
SDF
1 stop7h 15m
Southwest
Thu 4/302:40 pm
SDF
-
LGA
1 stop6h 15m
Southwest
Deal found 4/7$228
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sat 5/24:05 pm
EWR
-
SDF
1 stop24h 59m
Multiple Airlines
Mon 5/47:48 pm
SDF
-
EWR
1 stop13h 11m
Multiple Airlines
Deal found 4/6$229
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/264:42 pm
LGA
-
SDF
1 stop24h 22m
Multiple Airlines
Fri 5/17:48 pm
SDF
-
LGA
1 stop27h 39m
Multiple Airlines
Deal found 4/7$230
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Mon 4/206:30 am
LGA
-
SDF
1 stop10h 34m
Multiple Airlines
Thu 4/232:26 pm
SDF
-
LGA
1 stop5h 04m
Multiple Airlines
Deal found 4/4$232

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 April 9, 2026.

Round-trip from

$123
(Kiwi.com)

One-way from

$69
(Southwest)

Popular in

September

Cheapest in

January

Average price

$451

Good round-trip deal

$153 or less
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 ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Connecticut to Louisville Intl.
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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 April 9, 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

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 7/2

11:05 am-1:32 pm

Nonstop2h 27m

Louisville Intl

Mon 7/6

5:59 pm-8:20 pm

Nonstop2h 21m

$239

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 5/8

6:30 pm-8:58 pm

Nonstop2h 28m

Louisville Intl

Fri 5/15

5:30 pm-7:44 pm

Nonstop2h 14m

$259

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Tue 5/12

7:25 am-2:45 pm

2 stops7h 20m

Louisville Intl

Wed 5/13

1:35 pm-8:45 pm

1 stop7h 10m

$264

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 5/8

7:55 pm-10:22 pm

Nonstop2h 27m

Louisville Intl

Mon 5/11

7:56 pm-1:30 am

1 stop5h 34m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Wed 5/13

1:25 pm-9:05 pm

2 stops7h 40m

Louisville Intl

Fri 5/15

2:40 pm-11:00 pm

2 stops8h 20m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 5/7

2:46 pm-9:18 pm

1 stop6h 32m

Louisville Intl

Mon 5/11

5:30 pm-7:44 pm

Nonstop2h 14m

$269

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Sat 6/13

6:05 am-9:55 am

1 stop3h 50m

Louisville Intl

Tue 6/16

5:59 pm-8:20 pm

Nonstop2h 21m

$269

HartfordLouisville

BDL - SDF

BDLSDF

Hartford Bradley Intl

Wed 6/3

7:50 am-3:05 pm

1 stop7h 15m

Louisville Intl

Sat 6/6

5:15 pm-11:20 pm

1 stop6h 05m

$278

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 5/8

12:00 pm-9:00 pm

2 stops9h 00m

Louisville Intl

Fri 5/15

2:40 pm-11:25 pm

2 stops8h 45m

$289

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 5/8

7:45 pm-11:59 pm

1 stop4h 14m

Louisville Intl

Sun 5/10

5:50 am-9:56 am

1 stop4h 06m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $71). Flying from Connecticut to Louisville in April is currently the most expensive (average of $277). 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.

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?

    Delta, Southwest, and United Airlines can get you from Connecticut to Louisville in just under 2h 27m. Your travel time can differ by up to 4h 53m. Airlines will cover a distance of 657 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 United Airlines, with prices starting from $123 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.

  • What are the cheapest flights from Connecticut to Louisville?

    While on average a flight from Connecticut to Louisville is generally $163, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Newark - Louisville Intl), you can expect to pay $171 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 $71). Flying from Connecticut to Louisville in April is currently the most expensive (average of $277). 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
Elizabethtown
Corydon
Jeffersonville
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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$270Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$270Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$280Average$417FlexibilityNo cancel feeOn-time63%

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