$195 Cheap Flights from Nantucket (ACK) to Louisville (SDF)

View $195 flight on Fri, Jul 18, 2025Opens in a new window

Popular airlines from Nantucket, MA (ACK-Nantucket Memorial) to Louisville Intl. Airport (SDF)

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Cheap Flights from Nantucket to Louisville (ACK-SDF)

Prices were available within the past 7 days and start at $195 for one-way flights and $314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 15 - Sun, Jul 20
ACK
Nantucket
SDF
Louisville
$314 Roundtrip, found 19 hours ago
$314
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Sun, Jul 20, priced at $314 found 19 hours ago
Delta
Fri, Jul 18 - Sun, Jul 20
ACK
Nantucket
SDF
Louisville
$319 Roundtrip, found 19 hours ago
$319
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 18 from Nantucket to Louisville, returning Sun, Jul 20, priced at $319 found 19 hours ago
Delta
Tue, Jul 15 - Wed, Jul 23
ACK
Nantucket
SDF
Louisville
$364 Roundtrip, found 19 hours ago
$364
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Wed, Jul 23, priced at $364 found 19 hours ago
Delta
Fri, Jul 18 - Wed, Jul 23
ACK
Nantucket
SDF
Louisville
$369 Roundtrip, found 19 hours ago
$369
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 18 from Nantucket to Louisville, returning Wed, Jul 23, priced at $369 found 19 hours ago
Delta
Tue, Jul 15 - Sat, Jul 19
ACK
Nantucket
SDF
Louisville
$420 Roundtrip, found 19 hours ago
$420
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Sat, Jul 19, priced at $420 found 19 hours ago
Delta
Fri, Jul 18 - Sat, Jul 19
ACK
Nantucket
SDF
Louisville
$425 Roundtrip, found 19 hours ago
$425
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 18 from Nantucket to Louisville, returning Sat, Jul 19, priced at $425 found 19 hours ago
Delta
Tue, Jul 15 - Wed, Jul 16
ACK
Nantucket
SDF
Louisville
$489 Roundtrip, found 19 hours ago
$489
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Wed, Jul 16, priced at $489 found 19 hours ago
American Airlines
Tue, Jul 15 - Thu, Jul 24
ACK
Nantucket
SDF
Louisville
$566 Roundtrip, found 19 hours ago
$566
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Thu, Jul 24, priced at $566 found 19 hours ago
United
Tue, Jul 15 - Fri, Jul 25
ACK
Nantucket
SDF
Louisville
$607 Roundtrip, found 19 hours ago
$607
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Fri, Jul 25, priced at $607 found 19 hours ago
Delta
Tue, Jul 15 - Fri, Jul 25
ACK
Nantucket
SDF
Louisville
$619 Roundtrip, found 19 hours ago
$619
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Jul 15 from Nantucket to Louisville, returning Fri, Jul 25, priced at $619 found 19 hours ago
Flights from Nantucket (ACK) to Louisville (SDF)
Origin airport
Nantucket Memorial
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$313
Distance
858 mi

Nantucket to Louisville Flights

The cheapest times to fly from Nantucket to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Nantucket to Louisville are during the month of July. You can find some of the cheapest flights from Nantucket to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nantucket to Louisville

Sunday is one of the best days to book for cheap flights from Nantucket to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Nantucket to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Nantucket to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $195 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Nantucket to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Nantucket to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF) cost?
Discover the latest flight deals from ACK to SDF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ACK to SDF?
The cheapest flights from ACK to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ACK to SDF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ACK to SDF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF)?
You'll need to book a flight with a layover if you're traveling from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from ACK to SDF?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF)?
To avoid possible delays on the Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF) last-minute?
Holding off until right before your break to book a ticket from ACK to SDF often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to boost your chances of scoring a bargain.
Is it cheaper to book an ACK to SDF flight and hotel package?
Compared with arranging flights and hotels separately, booking an ACK to SDF flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Nantucket Memorial Airport (ACK) to Louisville Intl. Airport (SDF)?
Typically, you're able to cancel or reschedule your ACK to SDF flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.