$113 Cheap Flights from Chicago (ORD) to Nantucket (ACK)

View $113 flight on Wed, Jul 8, 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 $113 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $278 found 6 days ago
Delta
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $300 found 6 days ago
Delta
Tue, May 26 - Wed, Jun 10
ORD
Chicago
ACK
Nantucket
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 26 from Chicago to Nantucket, returning Wed, Jun 10, priced at $312 found 6 days ago
American Airlines
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$323 Roundtrip, found 6 days ago
$323
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $323 found 6 days ago
Delta
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$335 Roundtrip, found 6 days ago
$335
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $335 found 6 days ago
American Airlines
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $338 found 6 days ago
American Airlines
Thu, Aug 13 - Mon, Aug 17
ORD
Chicago
ACK
Nantucket
$348 Roundtrip, found 6 days ago
$348
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 13 from Chicago to Nantucket, returning Mon, Aug 17, priced at $348 found 6 days ago
Delta
Fri, Jun 19 - Thu, Jun 25
ORD
Chicago
ACK
Nantucket
$360 Roundtrip, found 12 hours ago
$360
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Jun 19 from Chicago to Nantucket, returning Thu, Jun 25, priced at $360 found 12 hours ago
United
Sat, Jun 13 - Sat, Jun 20
ORD
Chicago
ACK
Nantucket
$414 Roundtrip, found 4 days ago
$414
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 13 from Chicago to Nantucket, returning Sat, Jun 20, priced at $414 found 4 days ago
JetBlue Airways
Fri, Jun 19 - Thu, Jun 25
ORD
Chicago
ACK
Nantucket
$516 Roundtrip, found 12 hours ago
$516
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Fri, Jun 19 from Chicago to Nantucket, returning Thu, Jun 25, priced at $516 found 12 hours ago

Find the cheapest month to fly from Chicago (ORD) to Nantucket (ACK)

July is typically the cheapest month to fly

From $192 - $1,041 per traveler.

Alternative airports near Nantucket

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

Select flight to Martha's Vineyard MVY. Flights from $574
MVY
Martha's Vineyard
Flights from $574
Select flight to Barnstable Municipal HYA. Cheapest option available. Flights from $495
HYA
Barnstable Municipal
Cheapest
Flights from $495

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK) cost?
Secure a cheap one-way flight from $113 or cheap return flight from $278 from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK)?
August is the most affordable month to fly from ORD to ACK. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ORD to ACK flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK)?
There aren't any daily direct flights departing from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ORD to ACK?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORD to ACK?
Consider traveling with American Airlines if you'd like to go straight from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time performance of 82%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK) route, travel before 3 PM. Departures after this hour are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK) last-minute?
Holding off until just before your trip to book a flight from ORD to ACK often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book an ORD to ACK flight and hotel package?
Securing an ORD to ACK flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Nantucket Memorial Airport (ACK)?
Typically, you can cancel or reschedule your ORD to ACK flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Nantucket Memorial
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$278
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 2025. You can also book with separate airlines for your outbound and return journeys, from $113 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

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*Available to One Key members.