Title: Washington to Nantucket cheap flights from $79 (WAS 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) # $79 Cheap Flights from Washington (WAS) to Nantucket (ACK) [View $79 flight on Tue, Aug 25, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DCA,to:ACK,departure:8/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:78.10&airProductToken=AQouCiwIwmwSBDI0OTQYQyDAUCjthJYDMMiFlgM4TEAAWAFqAkROcghQSTJRVVNMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ## Popular airlines from Washington to Nantucket, MA (ACK-Nantucket Memorial) - ![](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:WAS,to:ACK,departure:4/15/2026TANYT&leg2=from:ACK,to:WAS,departure:4/22/2026TANYT&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_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:WAS,to:ACK,departure:4/15/2026TANYT&leg2=from:ACK,to:WAS,departure:4/22/2026TANYT&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_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:WAS,to:ACK,departure:4/15/2026TANYT&leg2=from:ACK,to:WAS,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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 Washington to Nantucket (WAS-ACK) Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, Aug 25 - Sat, Aug 29 DCA Washington ACK Nantucket $157 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:8/25/2026TANYT&leg2=from:ACK,to:DCA,departure:8/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:156.20&airProductToken=AQouCiwIwmwSBDI0OTQYQyDAUCjthJYDMMiFlgM4TEAAWAFqAkROcghQSTJRUlNMMQouCiwIwmwSBDI0OTMYwFAgQyjcr5YDML2wlgM4TEAAWAFqAkROcghQSTJRUlNMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, Aug 18 - Mon, Aug 24 DCA Washington ACK Nantucket $167 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:8/18/2026TANYT&leg2=from:ACK,to:DCA,departure:8/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:166.20&airProductToken=AQouCiwIwmwSBDI0OTQYQyDAUCiNtpUDMOi2lQM4TEAAWAFqAkROcghQSTJRVVNMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Jun 28 - Wed, Jul 1 DCA Washington ACK Nantucket $201 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/28/2026TANYT&leg2=from:ACK,to:DCA,departure:7/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:201.00&airProductToken=AQpnCjEIwYIBEgQxNTUwGEMgwZMBKPjzkAMw2_SQAzhCQABYAWoFQkFTSUNyCFFWQUpaU0JaCjIIwYIBEgQ0NzA4GMGTASDAUCiS9ZADMN31kAM4QkABWAFqBUJBU0lDcghRVkFKWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Jun 26 - Mon, Jun 29 DCA Washington ACK Nantucket $221 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/26/2026TANYT&leg2=from:ACK,to:DCA,departure:6/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:220.99&airProductToken=AQpnCjEIwYIBEgQxNTUwGEMgwZMBKLjdkAMwm96QAzhCQABYAWoFQkFTSUNyCFFWQUpaU0JaCjIIwYIBEgQ0NzA4GMGTASDAUCjS3pADMJ3fkAM4QkABWAFqBUJBU0lDcghRVkFKWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Jun 28 - Wed, Jul 1 DCA Washington ACK Nantucket $227 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/28/2026TANYT&leg2=from:ACK,to:DCA,departure:7/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:226.19&airProductToken=AQoyCjAIwYIBEgQ0NTUzGEMgwFAo8feQAzDa-JADOEJAAFgBagVCQVNJQ3IIUVZBSlpTQloKMgowCMGCARIENDU1MxjAUCBDKMmakQMwt5uRAzhCQABYAWoFQkFTSUNyCFFWQUpaU0JaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Jul 27 - Fri, Jul 31 DCA Washington ACK Nantucket $231 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:7/27/2026TANYT&leg2=from:ACK,to:DCA,departure:7/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:230.80&airProductToken=AQptCjQIxJgBEgQ1NjI0GEMgqVEoxLyTAzCRvZMDOEVAAFgBaglNQUlOQkFTSUNyCFZEVk5BMEJRCjUIxJgBEgQ1ODA0GKlRIMBQKMa9kwMwob6TAzhFQAFYAWoJTUFJTkJBU0lDcghWRFZOQTBCUQptCjUIxJgBEgQ1NzY3GMBQIMsBKJjskwMw7eyTAzhFQABYAWoJTUFJTkJBU0lDcghYQVZTQTBCQwo0CMSYARIEMTgyNRjLASBDKLDukwMwk--TAzhFQAFYAWoJTUFJTkJBU0lDcghYQVZTQTBCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Jun 29 - Fri, Jul 3 DCA Washington ACK Nantucket $234 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/29/2026TANYT&leg2=from:ACK,to:DCA,departure:7/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:233.81&airProductToken=AQptCjQIxJgBEgQ1NzQyGEMgywEoxIGRAzCLgpEDOEVAAFgBaglNQUlOQkFTSUNyCFhEVk5BMEJRCjUIxJgBEgQ1NzY3GMsBIMBQKIyDkQMw5IORAzhFQAFYAWoJTUFJTkJBU0lDcghYRFZOQTBCUQptCjUIxJgBEgQ1NzEyGMBQIMsBKIavkQMw2a-RAzhFQABYAWoJTUFJTkJBU0lDcghYRFZOQTBCUQo0CMSYARIENTcwORjLASBDKKWwkQMwhLGRAzhFQAFYAWoJTUFJTkJBU0lDcghYRFZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Jun 10 - Sat, Jun 13 DCA Washington ACK Nantucket $236 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/10/2026TANYT&leg2=from:ACK,to:DCA,departure:6/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:236.00&airProductToken=AQptCjQIxJgBEgQxMTcyGEMgywEozKmPAzCWqo8DOEVAAFgBaglNQUlOQkFTSUNyCFRBVU5BMEJDCjUIxJgBEgQ1NzEyGMsBIMBQKK6rjwMw_quPAzhFQAFYAWoJTUFJTkJBU0lDcghUQVVOQTBCQxIMCAEQARgBKgJETDIAGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Jun 10 - Thu, Jul 2 DCA Washington ACK Nantucket $239 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ACK,departure:6/10/2026TANYT&leg2=from:ACK,to:DCA,departure:7/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:238.80&airProductToken=AQptCjQIxJgBEgQxMTcyGEMgywEozKmPAzCWqo8DOEVAAFgBaglNQUlOQkFTSUNyCFZBVlNBMEJDCjUIxJgBEgQ1NzEyGMsBIMBQKK6rjwMw_quPAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTBCQwptCjUIxJgBEgQ1NzY3GMBQIMsBKPilkQMwzKaRAzhFQABYAWoJTUFJTkJBU0lDcghYRFZOQTBCUQo0CMSYARIEMTgyNRjLASBDKJqokQMw7aiRAzhFQAFYAWoJTUFJTkJBU0lDcghYRFZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, May 26 - Thu, May 28 IAD Washington ACK Nantucket $276 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:IAD,to:ACK,departure:5/26/2026TANYT&leg2=from:ACK,to:IAD,departure:5/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:275.10&airProductToken=AQpoCjII1YIBEgQyMzk2GIgYIMSNASjtgY4DMMSCjgM4TEAAWAFqBTJfZWNvcghMQUEyQUhEUwoyCNWCARIENDQ5MRjEjQEgwFAomoSOAzDwhI4DOExAAFgBagUyX2Vjb3IITEFBMkFIRFMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ## Alternative airports near Nantucket Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MVY,departure:4/15/2026TANYT&leg2=from:MVY,to:DCA,departure:5/2/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) MVY Martha's Vineyard Cheapest [Flights from $657 ](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MVY,departure:4/15/2026TANYT&leg2=from:MVY,to:DCA,departure:5/2/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:HYA,departure:4/15/2026TANYT&leg2=from:HYA,to:DCA,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) HYA Barnstable Municipal [Flights from $713 ](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:HYA,departure:4/15/2026TANYT&leg2=from:HYA,to:DCA,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Washington (WAS) to Nantucket (ACK) ### September is typically the cheapest month to fly From $127 - $513 per traveler. ## Travel information | Origin airport | Ronald Reagan Washington National | | ------------------- | ------------------------------------------------- | | Destination airport | Nantucket Memorial | | Airlines serving | American Airlines, Delta, JetBlue Airways, United | | Roundtrip price | $156 | | Distance | 404 mi | ## Book with confidence # Washington to Nantucket Flights The cheapest times to fly from Washington 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 Washington to Nantucket are during the month of August. You can find some of the cheapest flights from Washington to Nantucket with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Nantucket Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Nantucket in 2026\. You can also book with separate airlines for your outbound and return journeys, from $79 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 Washington 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 Washington 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. \*Available to One Key members. ## 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)