$108 Cheap Flights from Chicago (ORD) to Nantucket (ACK)

View $108 flight on Wed, Aug 5, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Nantucket, MA (ACK-Nantucket Memorial)

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Cheap Flights from Chicago to Nantucket (ORD-ACK)

Prices were available within the past 7 days and start at $108 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jun 3 - Tue, Jun 9
ORD
Chicago
ACK
Nantucket
$238 Roundtrip, found 23 hours ago
$238
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Jun 3 from Chicago to Nantucket, returning Tue, Jun 9, priced at $238 found 23 hours ago
American Airlines
Wed, Aug 19 - Sat, Aug 22
ORD
Chicago
ACK
Nantucket
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 19 from Chicago to Nantucket, returning Sat, Aug 22, priced at $244 found 2 days ago
JetBlue Airways
Wed, Aug 5 - Thu, Aug 27
ORD
Chicago
ACK
Nantucket
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Aug 5 from Chicago to Nantucket, returning Thu, Aug 27, priced at $245 found 1 day ago
Delta
Mon, Aug 10 - Tue, Aug 25
ORD
Chicago
ACK
Nantucket
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 10 from Chicago to Nantucket, returning Tue, Aug 25, priced at $263 found 1 day ago
Delta
Wed, Jul 22 - Wed, Jul 29
ORD
Chicago
ACK
Nantucket
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jul 22 from Chicago to Nantucket, returning Wed, Jul 29, priced at $269 found 2 days ago
JetBlue Airways
Wed, Aug 12 - Tue, Sep 1
ORD
Chicago
ACK
Nantucket
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Aug 12 from Chicago to Nantucket, returning Tue, Sep 1, priced at $274 found 1 day ago
Delta
Sat, Jun 20 - Fri, Jun 26
ORD
Chicago
ACK
Nantucket
$282 Roundtrip, found 1 hour ago
$282
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Jun 20 from Chicago to Nantucket, returning Fri, Jun 26, priced at $282 found 1 hour ago
Delta
Tue, Jun 2 - Tue, Jun 9
ORD
Chicago
ACK
Nantucket
$288 Roundtrip, found 23 hours ago
$288
Roundtrip
found 23 hours ago
Select Delta flight, departing Tue, Jun 2 from Chicago to Nantucket, returning Tue, Jun 9, priced at $288 found 23 hours ago
Delta
Wed, Jun 10 - Wed, Jun 17
ORD
Chicago
ACK
Nantucket
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jun 10 from Chicago to Nantucket, returning Wed, Jun 17, priced at $293 found 2 days ago
United
Sat, Jul 4 - Sat, Jul 11
ORD
Chicago
ACK
Nantucket
$413 Roundtrip, found 5 days ago
$413
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jul 4 from Chicago to Nantucket, returning Sat, Jul 11, priced at $413 found 5 days ago

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Alternative airports near Nantucket

Prices were available within the past 7 days. Prices and availability are subject to change.

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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?
You can find cheap one-way flights from $108 and cheap return flights from $238 Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) with Expedia. One-way flights usually range from $429 to $807, and return flights typically cost between $486 and $1536. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The cheapest month to fly from ORD to ACK is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
2 airlines operate nonstop service from ORD to ACK:

  • 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)?
American Airlines is one of the cheapest airlines offering nonstop flights from Chicago, IL (ORD) to Nantucket, MA (ACK), with round-trip tickets starting from around $671. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
You can find approximately 1 nonstop flights per day from O'Hare Intl. (ORD) to Nantucket Memorial (ACK). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The earliest flight from O'Hare International Airport (ORD) to Nantucket Memorial Airport (ACK) typically departs at around 5:00 AM. This flight is operated by American Airlines and is part of a seasonal service available in June and July, giving you an early start to enjoy Nantucket. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The most popular departure times for flights from O'Hare Intl. (ORD) to Nantucket Memorial (ACK) are from 6am to 9am. This accounts for around 45% of total traffic. Many major carriers, including Delta Air Lines, American Airlines, and United Airlines, offer flights during this window. This timing is popular because it allows you to enjoy a full day on Nantucket after arriving in the morning.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
Direct flights from ORD to ACK usually take about 3 hours, traveling roughly 921 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
First class seats are offered on the ORD to ACK route. First class cabins are available on:

  • 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?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Nantucket from O'Hare Intl. (ORD)?
If you're planning to travel to Nantucket from O'Hare Intl. (ORD), you can fly into Nantucket Memorial (ACK) Some flights may connect through major hubs like Detroit Metropolitan Wayne County (DTW), Liberty Intl. (EWR), Logan Intl. (BOS) before reaching Nantucket. Compare routes and airports on Expedia to find the best flight options for your travel plans.
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?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) Nantucket Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Nantucket Memorial
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$238
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 June. 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 $108 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. 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.

 

Chicago to Nantucket Flights

*Flight schedules are subject to change.

*Available to One Key members.