Title: Cheap flights from Sun Valley to Nantucket (SUN to ACK) - Expedia.com ![](https://images.trvl-media.com/place/285/e7fbaece-83d0-4f61-81f2-8a09a92b48d7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/285/e7fbaece-83d0-4f61-81f2-8a09a92b48d7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Sun Valley (SUN) to Nantucket (ACK) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Nantucket, MA (ACK-Nantucket Memorial) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SUN,to:ACK,departure:3/3/2026TANYT&leg2=from:ACK,to:SUN,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Sun Valley to Nantucket (SUN-ACK) Prices were available within the past 7 days and start at for one-way flights and $1,806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Apr 17 - Sun, May 3 SUN Sun Valley ACK Nantucket $1,806 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SUN,to:ACK,departure:4/17/2026TANYT&leg2=from:ACK,to:SUN,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1805.51&airProductToken=AQqaAQo1CMSYARIENDAzNxiSbSDyEii7y4oDMP7LigM4QkAAWAFqCU1BSU5DTEFTQ3IIQkEwTkEwTVEKNQjEmAESAzY1NxjyEiDBkwEo3cyKAzDyzooDOEJAAVgBaglNQUlOQ0xBU0NyCEJBME5BME1RCioIuZYBEgQ1NDUxGMGTASDAUCj_z4oDMLbQigM4S0ABWAFqAkVScgNLSVAK0QEKKgi5lgESBDUxODEYwFAgwZMBKMKAjAMw_oCMAzhIQABYAWoCRVJyA0hJUAo2CMSYARIENTgwOBjBkwEgqVEouoGMAzCTgowDOEJAAVgBaglNQUlOQ0xBU0NyCEJBME5BME1RCjQIxJgBEgM4ODcYqVEg8hIo2YKMAzCkhYwDOEJAAVgBaglNQUlOQ0xBU0NyCEJBME5BME1RCjUIxJgBEgQzOTg1GPISIJJtKOCFjAMwnoaMAzhCQAFYAWoJTUFJTkNMQVNDcghCQTBOQTBNURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Apr 17 - Sun, May 3 SUN Sun Valley ACK Nantucket $1,809 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SUN,to:ACK,departure:4/17/2026TANYT&leg2=from:ACK,to:SUN,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1808.21&airProductToken=AQqaAQo1CMSYARIENDAzNxiSbSDyEii7y4oDMP7LigM4QkAAWAFqCU1BSU5DTEFTQ3IIQkEwTkEwTVEKNQjEmAESAzY1NxjyEiDBkwEo3cyKAzDyzooDOEJAAVgBaglNQUlOQ0xBU0NyCEJBME5BME1RCioIuZYBEgQ1NDUxGMGTASDAUCj_z4oDMLbQigM4S0ABWAFqAkVScgNLSVAKlQEKJgi5lgESATIYwFAgqVEosP-LAzCzgIwDOEtAAFgBagJFUnIDS0lQCjQIxJgBEgM4ODcYqVEg8hIo2YKMAzCkhYwDOFFAAVgBaglNQUlOQ0xBU0NyCFFBVkdBME1RCjUIxJgBEgQzOTg1GPISIJJtKOCFjAMwnoaMAzhRQAFYAWoJTUFJTkNMQVNDcghRQVZHQTBNURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) cost? ### What is the cheapest month to fly from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)? ### What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)? ### How many flights per day from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)? ### What day of the week has the most flights from SUN to ACK? ### What is the best time to fly from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)? ### Is it cheaper to buy a plane ticket from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK) last-minute? ### Is it cheaper to book a SUN to ACK flight and hotel package? ### Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Nantucket Memorial Airport (ACK)? ## Travel information | Origin airport | Friedman Memorial | | ------------------- | ------------------ | | Destination airport | Nantucket Memorial | | Roundtrip price | $1,806 | | Distance | 2236 mi | ## Book with confidence # 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 April. 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 2026\. You can also book with separate airlines for your outbound and return journeys, from 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](https://www.expedia.com/package-deals). 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. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - [Nantucket Hotels ](https://www.expedia.com/Nantucket-Hotels.d285.Travel-Guide-Hotels) - [Hotels near Naushop ](https://www.expedia.com/Naushop-Nantucket-Hotels.0-n553248635976471878-0.Travel-Guide-Filter-Hotels) - [Hotels near Nobadeer Beach ](https://www.expedia.com/Nobadeer-Beach-Hotels.0-l6287514-0.Travel-Guide-Filter-Hotels) - [Hotels near Madequecham ](https://www.expedia.com/Madequecham-Nantucket-Hotels.0-n553248635976472647-0.Travel-Guide-Filter-Hotels) - [Hotels near Surfside Beach ](https://www.expedia.com/Surfside-Beach-Hotels.0-l6287523-0.Travel-Guide-Filter-Hotels) - [Raleigh to Nantucket ](https://www.expedia.com/lp/flights/178300/285/raleigh-to-nantucket) - [Nobadeer Beach ](https://www.expedia.com/Nobadeer-Beach-Nantucket.d6287514.Vacation-Attraction) - [Surfside Beach ](https://www.expedia.com/Surfside-Beach-Nantucket.d6287523.Vacation-Attraction) - [Car rentals near Surfside ](https://www.expedia.com/Car-Rentals-In-Surfside.d553248635975749234.Car-Rental-Guide) - [Car rentals near Monomoy ](https://www.expedia.com/Car-Rentals-In-Monomoy.d553248635976384808.Car-Rental-Guide) - [Enterprise Rental Cars in Monomoy ](https://www.expedia.com/Enterprise-Car-Rentals-In-Monomoy.d553248635976384808-c15.Car-Rental-Guide-Suppliers) \*Available to One Key members.