Title: Cheap flights from Chicago to Nantucket ( ORD - 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) # $102 Cheap Flights from Chicago (ORD) to Nantucket (ACK) [View $102 flight on Mon, Aug 17, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ORD,to:ACK,departure:8/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:101.90&airProductToken=AQpuCjUIxJgBEgQ1MjQxGK4cIKlRKM6nlQMw3aiVAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCQwo1CMSYARIENTgwNBipUSDAUCiqqZUDMPeplQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWTkEwQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ## Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Nantucket, MA (ACK-Nantucket Memorial) - ![](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:ORD,to:ACK,departure:3/17/2026TANYT&leg2=from:ACK,to:ORD,departure:3/24/2026TANYT&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_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:ACK,departure:3/17/2026TANYT&leg2=from:ACK,to:ORD,departure:3/24/2026TANYT&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_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:ACK,departure:3/17/2026TANYT&leg2=from:ACK,to:ORD,departure:3/24/2026TANYT&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:ORD,to:ACK,departure:3/17/2026TANYT&leg2=from:ACK,to:ORD,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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 Chicago to Nantucket (ORD-ACK) Prices were available within the past 7 days and start at $102 for one-way flights and $196 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) Tue, Aug 4 - Tue, Aug 25 ORD Chicago ACK Nantucket $196 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/4/2026TANYT&leg2=from:ACK,to:ORD,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:195.80&airProductToken=AQpECiAIxJgBEgQyNzY3GK4cIMsBKNSUlAMw2ZWUAzhFQABYAQogCMSYARIENTczNxjLASDAUCiIlpQDMNmWlAM4RUABWAEKRAogCMSYARIENTcxMhjAUCDLASiJhJYDMN-ElgM4RUAAWAEKIAjEmAESBDEzOTAYywEgrhwokIWWAzC4hpYDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, May 27 - Tue, Jun 16 ORD Chicago ACK Nantucket $204 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:5/27/2026TANYT&leg2=from:ACK,to:ORD,departure:6/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:203.80&airProductToken=AQpECiAIxJgBEgQyNzY3GK4cIMsBKLSMjgMwuI2OAzhFQABYAQogCMSYARIENTg1NhjLASDAUCjxjY4DML-OjgM4RUABWAEKRAogCMSYARIENTc2NxjAUCDLASiD8o8DMNTyjwM4RUAAWAEKIAjEmAESBDI4MDYYywEgrhwo9_OPAzCf9Y8DOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Aug 4 - Tue, Aug 11 ORD Chicago ACK Nantucket $232 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/4/2026TANYT&leg2=from:ACK,to:ORD,departure:8/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:231.81&airProductToken=AQpECiAIxJgBEgQyNzY3GK4cIMsBKNSUlAMw2ZWUAzhFQABYAQogCMSYARIENTczNxjLASDAUCiIlpQDMNmWlAM4RUABWAEKRAogCMSYARIENTcxMhjAUCDLASjJ5pQDMJ_nlAM4RUAAWAEKIAjEmAESBDEzOTAYywEgrhwo0OeUAzD46JQDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Jun 3 - Tue, Jun 9 ORD Chicago ACK Nantucket $238 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:6/3/2026TANYT&leg2=from:ACK,to:ORD,departure:6/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:237.80&airProductToken=AQpECiAIxJgBEgQyNzY3GK4cIMsBKJTbjgMwmNyOAzhFQABYAQogCMSYARIENTg1NhjLASDAUCjR3I4DMJ_djgM4RUABWAEKRAogCMSYARIENTc2NxjAUCDLASijo48DMPSjjwM4RUAAWAEKIAjEmAESBDI1MTMYywEgrhwopKSPAzDJpY8DOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Aug 5 - Thu, Aug 27 ORD Chicago ACK Nantucket $245 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/5/2026TANYT&leg2=from:ACK,to:ORD,departure:8/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:244.82&airProductToken=AQpBCh4IwmwSAzkwNhiuHCCpUSjJoZQDMNSilAM4TEAAWAEKHwjCbBIEMjI5MRipUSDAUCido5QDMOujlAM4TEABWAEKQAoeCMJsEgMxOTIYwFAgqVEo5JuWAzConJYDOExAAFgBCh4IwmwSAzgwNRipUSCuHCj1nJYDMKielgM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Aug 17 - Fri, Aug 21 ORD Chicago ACK Nantucket $255 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/17/2026TANYT&leg2=from:ACK,to:ORD,departure:8/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:254.80&airProductToken=AQpuCjUIxJgBEgQ1MjQxGK4cIKlRKM6nlQMw3aiVAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCQwo1CMSYARIENTgwNBipUSDAUCiqqZUDMPeplQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWTkEwQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Aug 12 - Tue, Aug 25 ORD Chicago ACK Nantucket $258 Roundtrip found 6 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/12/2026TANYT&leg2=from:ACK,to:ORD,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:257.80&airProductToken=AQpECiAIxJgBEgQyOTg1GK4cIMsBKMvxlAMw1_KUAzhFQABYAQogCMSYARIENTczNxjLASDAUCid85QDMO3zlAM4RUABWAEKRAogCMSYARIENTcxMhjAUCDLASiJhJYDMN-ElgM4RUAAWAEKIAjEmAESBDEzOTAYywEgrhwokIWWAzC4hpYDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Aug 17 - Fri, Aug 21 ORD Chicago ACK Nantucket $261 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:8/17/2026TANYT&leg2=from:ACK,to:ORD,departure:8/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:260.10&airProductToken=AQqnAQo2CMSYARIEMjg0MBiuHCDjtAEoo6iVAzD3qJUDOEVAAFgBaglNQUlOQkFTSUNyCFZBVk5BMEJDCjYIxJgBEgQxNjY5GOO0ASDLASivqZUDMJqqlQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWTkEwQkMKNQjEmAESBDU3MzcYywEgwFAovauVAzCNrJUDOEVAAVgBaglNQUlOQkFTSUNyCFZBVk5BMEJDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Jul 22 - Wed, Jul 29 ORD Chicago ACK Nantucket $308 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:7/22/2026TANYT&leg2=from:ACK,to:ORD,departure:7/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:307.80&airProductToken=AQpCCh8IwYIBEgQyMzQ1GK4cIEMorIOTAzCfhJMDOE9AAFgBCh8IwYIBEgQ0NTUzGEMgwFAogIaTAzDshpMDOE9AAVgBCkQKIAjBggESBDQ1NDYYwFAgywEoy9STAzCm1ZMDOE9AAFgBCiAIwYIBEgQxNDc4GMsBIK4cKInWkwMwt9eTAzhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAgoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Sep 6 - Wed, Sep 9 ORD Chicago ACK Nantucket $726 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:ACK,departure:9/6/2026TANYT&leg2=from:ACK,to:ORD,departure:9/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:725.74&airProductToken=AQo4CjYI1YIBEgQ1NjUxGK4cIMBQKIeKlwMwsYuXAzhOQABYAWoKMV9iYXNpY2Vjb3IITFVBMkFEQk4Kcgo3CNWCARIENDQ5NBjAUCDEjQEo5a2XAzDMrpcDOE5AAFgBagoxX2Jhc2ljZWNvcghUVUEyT0RCTgo3CNWCARIEMjc1MxjEjQEgrhwouK-XAzDfsJcDOE5AAFgBagoxX2Jhc2ljZWNvcghUVUEyT0RCThIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwCw) ![](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_) ## 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:ORD,to:MVY,departure:3/17/2026TANYT&leg2=from:MVY,to:ORD,departure:3/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) MVY Martha's Vineyard [Flights from $534 ](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:MVY,departure:3/17/2026TANYT&leg2=from:MVY,to:ORD,departure:3/30/2026TANYT&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:ORD,to:HYA,departure:3/17/2026TANYT&leg2=from:HYA,to:ORD,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) HYA Barnstable Municipal Cheapest [Flights from $419 ](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:HYA,departure:3/17/2026TANYT&leg2=from:HYA,to:ORD,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Chicago (ORD) to Nantucket (ACK) ### August is typically the cheapest month to fly From $194 - $820 per traveler. ## Frequently asked questions ### How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) cost? ### What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? > - United operates around 7 direct flights from ORD to ACK every week > - American Airlines operates around 7 direct flights from ORD to ACK every week ### What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ### Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? > - Delta Air Lines > - American Airlines > - United Airlines ### How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight with Expedia? ### What airports do you fly into for Nantucket from O'Hare Intl. (ORD)? ### Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) at the last minute? ### Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight and hotel package? ### Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)? ## Travel information | Origin airport | O'Hare Intl. | | ------------------- | ------------------------------------------------- | | Destination airport | Nantucket Memorial | | Airlines serving | American Airlines, Delta, JetBlue Airways, United | | Roundtrip price | $196 | | Distance | 921 mi | ## Book with confidence # Chicago to Nantucket Flights The cheapest times to fly from Chicago 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 Chicago to Nantucket are during the month of August. You can find some of the cheapest flights from Chicago to Nantucket with Expedia's search tool and vast selection of airlines. The best time to book a flight from Chicago to Nantucket Sunday is one of the best days to book for cheap flights from Chicago 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 Chicago 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 Chicago to Nantucket in 2026\. You can also book with separate airlines for your outbound and return journeys, from $102 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 Chicago 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 Chicago 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) - [Dallas to Nantucket ](https://www.expedia.com/lp/flights/178253/285/dallas-to-nantucket) - [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.