$633+ Cheap flights from Louisville to Nantucket (SDF - ACK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ACK
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Nantucket 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 Louisville to Nantucket
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Best
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One-way
Cheapest flights from Louisville to NantucketExplore the most affordable flight options available from Louisville to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Louisville to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:10 am -
1 stop5h 20m
Mon 9/711:17 am -
1 stop5h 23m
Deal found 9/3![American Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/41:08 pm -
1 stop25h 55m
Mon 9/79:50 am -
1 stop26h 31m
Deal found 9/2![United Airlines logo]()
$2,027
Best flights from Louisville to NantucketDiscover carefully curated flight deals from Louisville to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Louisville to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United deal was found by Cheapflights users on 9/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:24 am -
2 stops8h 29m
Sun 1/37:22 pm -
2 stops17h 30m
Deal found 9/6![Multiple Airlines logo]()
$981
Last-minute flights from Louisville to NantucketDiscover last-minute flight deals from Louisville to Nantucket. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Nantucket. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:10 am -
1 stop5h 20m
Mon 9/711:17 am -
1 stop5h 23m
Deal found 9/3![American Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/41:08 pm -
1 stop25h 55m
Mon 9/79:50 am -
1 stop26h 31m
Deal found 9/2![United Airlines logo]()
$2,027
One-way flights from Louisville to NantucketSearch for one-way flight options from Louisville to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Louisville to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United deal was found by Cheapflights users on 9/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:12 pm -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$633
This United deal was found by Cheapflights users on 9/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:25 am -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$943
Find flight deals from Louisville to Nantucket
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $981 (United) |
One-way from | $633 (United) |
Popular in | April |
Cheapest in | December |
Average price | $470 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Nantucket 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Louisville to Nantucket that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleNantucket
SDF Louisville Intl - ACK Nantucket Memorial
SDFACK
Louisville Intl
Tue 9/29
2:12 pm-9:37 am
2 stops19h 25m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$633
Quickest round-trip
LouisvilleNantucket
SDF Louisville Intl - ACK Nantucket Memorial
SDFACK
Louisville Intl
Mon 9/28
10:25 am-8:45 pm
2 stops10h 20m
Nantucket Memorial
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$943
LouisvilleNantucket
SDF Louisville Intl - ACK Nantucket Memorial
SDFACK
Louisville Intl
Fri 1/1
6:24 am-2:53 pm
2 stops8h 29m
Nantucket Memorial
Sun 1/3
7:22 pm-12:52 pm
2 stops17h 30m
$981
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Louisville-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Nantucket flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Nantucket flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Nantucket flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Louisville to Nantucket
Have a flexible travel schedule? Discover the best time to fly to Nantucket from Louisville with our price prediction graph.
SDF-ACK
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.
Related info for your journey
Find useful and relevant information for your journey from Louisville to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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