$588 Cheap Flights from Nantucket (ACK) to Sioux Falls (FSD)

View $588 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Nantucket, MA (ACK-Nantucket Memorial) to Sioux Falls Regional Airport (FSD)

Cheap Flights from Nantucket to Sioux Falls (ACK-FSD)

Prices were available within the past 7 days and start at $588 for one-way flights and $1,212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,212 Roundtrip, found 6 days ago
$1,212
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,212 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,222 Roundtrip, found 6 days ago
$1,222
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,222 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,242 Roundtrip, found 6 days ago
$1,242
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,242 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,307 Roundtrip, found 6 days ago
$1,307
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,307 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,317 Roundtrip, found 6 days ago
$1,317
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,317 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,337 Roundtrip, found 6 days ago
$1,337
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,337 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,347 Roundtrip, found 6 days ago
$1,347
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,347 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,367 Roundtrip, found 6 days ago
$1,367
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,367 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,377 Roundtrip, found 6 days ago
$1,377
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,377 found 6 days ago
Cape Air
Thu, Oct 2 - Mon, Oct 6
ACK
Nantucket
FSD
Sioux Falls
$1,416 Roundtrip, found 6 days ago
$1,416
Roundtrip
found 6 days ago
Select Cape Air flight, departing Thu, Oct 2 from Nantucket to Sioux Falls, returning Mon, Oct 6, priced at $1,416 found 6 days ago
Flights from Nantucket (ACK) to Sioux Falls (FSD)
Origin airport
Nantucket Memorial
Destination airport
Sioux Falls Regional
Roundtrip price
$1,211
Distance
1363 mi

Nantucket to Sioux Falls Flights

The cheapest times to fly from Nantucket to Sioux Falls

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 Sioux Falls are during the month of October. You can find some of the cheapest flights from Nantucket to Sioux Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nantucket to Sioux Falls

Sunday is one of the best days to book for cheap flights from Nantucket to Sioux Falls: 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 Sioux Falls

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 Sioux Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $588 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 Sioux Falls 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 Sioux Falls 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 Sioux Falls Regional Airport (FSD) cost?
Snag a cheap one-way flight from $588 or cheap return flight from $1,212 from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD)?
The cheapest month to fly from ACK to FSD is October, when demand is low. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ACK to FSD flight.
How many flights per day from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD)?
Direct flights from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ACK to FSD?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*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 Sioux Falls Regional Airport (FSD)?
To avoid possible delays on the Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Sioux Falls Regional Airport (FSD) last-minute?
Booking your ticket from ACK to FSD just before your trip is usually more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book an ACK to FSD flight and hotel package?
Compared with arranging flights and hotels separately, booking an ACK to FSD flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Nantucket Memorial Airport (ACK) to Sioux Falls Regional Airport (FSD)?
If you booked your ACK to FSD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.