$539 Cheap Flights from Sun Valley (SUN) to Nantucket (ACK)

Get a cheap one-way flight from $539 or cheap return flight $1,235 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.

The cheapest month to fly from SUN to ACK is September, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.

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.

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."

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.

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.

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.

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.

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.