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$138 Cheap Flights from Chicago (ORD) to Nantucket (ACK)

View $138 flight on Fri, Aug 28, 2026Opens in a new window

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

Cheap Flights from Chicago to Nantucket (ORD-ACK)

Prices were available within the past 7 days and start at $138 for one-way flights and $276 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Aug 28 - Tue, Sep 1
ORD
Chicago
ACK
Nantucket
$276 Roundtrip, found 2 hours ago
$276
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Chicago to Nantucket, returning Tue, Sep 1, priced at $276 found 2 hours ago
United
Sat, Aug 29 - Sat, Sep 5
ORD
Chicago
ACK
Nantucket
$289 Roundtrip, found 2 hours ago
$289
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Aug 29 from Chicago to Nantucket, returning Sat, Sep 5, priced at $289 found 2 hours ago
Delta
Wed, Jun 2 - Wed, Jun 9
ORD
Chicago
ACK
Nantucket
$292 Roundtrip, found 1 hour ago
$292
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 2 from Chicago to Nantucket, returning Wed, Jun 9, priced at $292 found 1 hour ago
Delta
Sat, Aug 29 - Sat, Sep 5
ORD
Chicago
ACK
Nantucket
$300 Roundtrip, found 2 hours ago
$300
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Aug 29 from Chicago to Nantucket, returning Sat, Sep 5, priced at $300 found 2 hours ago
Delta
Fri, Aug 28 - Tue, Sep 1
ORD
Chicago
ACK
Nantucket
$308 Roundtrip, found 2 hours ago
$308
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Aug 28 from Chicago to Nantucket, returning Tue, Sep 1, priced at $308 found 2 hours ago
American Airlines
Sat, Aug 29 - Sat, Sep 5
ORD
Chicago
ACK
Nantucket
$315 Roundtrip, found 2 hours ago
$315
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Aug 29 from Chicago to Nantucket, returning Sat, Sep 5, priced at $315 found 2 hours ago
Delta
Wed, Jun 2 - Wed, Jun 9
ORD
Chicago
ACK
Nantucket
$325 Roundtrip, found 1 hour ago
$325
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 2 from Chicago to Nantucket, returning Wed, Jun 9, priced at $325 found 1 hour ago
United
Tue, Aug 25 - Sat, Aug 29
ORD
Chicago
ACK
Nantucket
$331 Roundtrip, found 8 hours ago
$331
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 25 from Chicago to Nantucket, returning Sat, Aug 29, priced at $331 found 8 hours ago
American Airlines
Sat, Aug 29 - Sat, Sep 5
ORD
Chicago
ACK
Nantucket
$339 Roundtrip, found 2 hours ago
$339
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Aug 29 from Chicago to Nantucket, returning Sat, Sep 5, priced at $339 found 2 hours ago
American Airlines
Thu, Aug 27 - Wed, Sep 2
ORD
Chicago
ACK
Nantucket
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 27 from Chicago to Nantucket, returning Wed, Sep 2, priced at $340 found 1 day ago

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 $616
MVY
Martha's Vineyard
Flights from $616
Select flight to Barnstable Municipal HYA. Flights from $415
HYA
Barnstable Municipal
Flights from $415

What you need to know for your flight from O'Hare Intl. to Nantucket Memorial

Chicago (ORD) to Nantucket (ACK) at a glance

Travel from Chicago (ORD) to Nantucket (ACK) with a range of airlines on this domestic short-haul route. You can compare flights from various carriers, including both full-service and budget options, to discover the best itinerary that aligns with your budget, schedule, and travel plans. As you prepare to explore Nantucket's renowned attractions and charming neighborhoods, be sure to check the key details for flights departing from O'Hare International Airport (ORD) to Nantucket Memorial Airport (ACK).

  • Fastest flight duration: around 3 hours non-stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $95–$485, depending on seasonality and how far ahead you book

Flights from O'Hare International Airport (ORD) to Nantucket Memorial Airport (ACK)

According to recent traveler bookings, here are the most popular airlines flying from Chicago to Nantucket, featuring both non-stop and one-stop options. Common layover airports include LaGuardia Airport (LGA) with about a 1h 15m stop, John F. Kennedy International Airport (JFK) also around 1h 15m, and Logan International Airport (BOS) with an approximate 1h 30m layover. This allows you to compare prices, total travel times, and cabin classes to find the best itinerary for your needs.

  • American Airlines: This established full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally between $95 and $470. It represents around 39% of the departures for this route, featuring an in-flight duration of approximately 3 hours and 30 minutes, totaling around 4 hours and 45 minutes for the entire journey.
  • JetBlue Airways: Known as a budget-friendly airline, JetBlue offers one-stop services with one-way fares that usually range from $100 to $410. It accounts for about 31% of departures on this route, with an in-flight time of 3 hours and 30 minutes and an overall journey time of about 4 hours and 45 minutes, including layover.
  • Delta: This full-service carrier provides one-stop flights, with typical one-way fares ranging from $145 to $475. Delta contributes approximately 18% of the flight departures on this route, featuring an in-flight duration of 3 hours and 30 minutes and a total travel time of roughly 4 hours and 45 minutes, including layover.
  • United: Offering non-stop flights, United is a full-service airline with one-way fares that typically range from $190 to $535. It makes up around 12% of the departures on this route, with a total journey time of just 3 hours.

Alternative route from Chicago (ORD) to Nantucket (ACK)

  • Chicago to Vineyard Haven (ORD-MVY): Martha's Vineyard Airport (MVY) is located approximately 30 miles from Nantucket Memorial Airport (ACK). One-way economy ticket prices for this route generally fall between $195 and $590, influenced by the time of year and when the booking is made. Travelers can choose from both non-stop and one-stop flights, with common layover points including LaGuardia Airport (LGA) and Logan International Airport (BOS). Major airlines operating on this route are American Airlines and Delta. Additionally, first-class service is offered on this route.

How to find the best prices for flights from Chicago (ORD) to Nantucket (ACK)

Getting some of the best deals on flights from Chicago to Nantucket is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking at least two months in advance, although most travelers book their flights 2 to 8 weeks ahead. Afternoon departures (12 PM to 6 PM) generally offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Saturday provides both cheaper prices and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Nantucket hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Nantucket Memorial Airport from O'Hare International Airport

Nantucket welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Here's how to reach Nantucket efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Nantucket, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Nantucket Memorial Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Nantucket Memorial Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Nantucket Memorial Airport, Nantucket Ferry Terminal, a ferry terminal, is located about 3.2 miles away by car.

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 $138 and cheap return flights from $276 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 August 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
$276
Distance
921 mi
Average flight time
3 hours 52 mins

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 $138 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.

 

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