$1,187 Cheap Flights from Sun Valley (SUN) to Nantucket (ACK)

View $1,187 flight on Thu, Oct 9, 2025Opens in a new window

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Nantucket, MA (ACK-Nantucket Memorial)

Cheap Flights from Sun Valley to Nantucket (SUN-ACK)

Prices were available within the past 7 days and start at $1,187 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sun Valley (SUN) to Nantucket (ACK)
Origin airport
Friedman Memorial
Destination airport
Nantucket Memorial
Distance
2236 mi

Sun Valley to Nantucket Flights

The cheapest times to fly from Sun Valley to Nantucket

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

 

The best time to book a flight from Sun Valley to Nantucket

Sunday is one of the best days to book for cheap flights from Sun Valley to Nantucket: 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 Sun Valley to Nantucket

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 Sun Valley to Nantucket in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,187 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 Sun Valley to Nantucket 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 Sun Valley to Nantucket 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 Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) cost?
Get a cheap one-way flight from $1,187 or cheap return flight from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)?
The cheapest month to fly from SUN to ACK is , when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SUN to ACK flight.
How many flights per day from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)?
Direct flights from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUN to ACK?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)?
To avoid potential delays on the Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) last-minute?
Booking your plane ticket from SUN to ACK shortly before your trip is generally more expensive. However, if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a SUN to ACK flight and hotel package?
Compared with arranging flights and hotels separately, booking a SUN to ACK flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)?
Typically, you're able to reschedule or cancel your SUN to ACK flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.