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$282+ Cheap flights from Chicago (CHI) to Nantucket (ACK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Cheap flight deals from Chicago to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

September

Average price

$257
Provider with most accurate pricing for Chicago (CHI)-Nantucket Memorial flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Nantucket Memorial flights.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Chicago to Nantucket

Cheapest flights from Chicago to Nantucket
Explore the most affordable flight options available from Chicago to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:52 pmORD - ACK
3 stops26h 38mMultiple Airlines
Sun 12/75:15 pmACK - ORD
2 stops27h 46mMultiple Airlines
Deal found 11/24$1,160
This Mytrip deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:43 pmORD - ACK
3 stops24h 16mMultiple Airlines
Sat 11/296:05 pmACK - ORD
3 stops30h 08mMultiple Airlines
Deal found 11/23$1,426

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Nantucket that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
Use the filters below to find and compare flights from Chicago to Nantucket that are best for you.

Fly from

Chicago

Fly to

Nantucket

Route

Depart

Return

Price

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 12/4

1:52 pm-5:30 pm

3 stops26h 38m

Nantucket Memorial

Sun 12/7

5:15 pm-8:01 pm

2 stops27h 46m

$1,160

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 1/20

7:45 am-3:50 pm

1 stop7h 05m

$282

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 1/22

7:45 am-1:50 pm

1 stop5h 05m

$292

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 1/23

7:45 am-3:50 pm

1 stop7h 05m

$292

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 1/27

7:45 am-3:50 pm

1 stop7h 05m

$292

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sun 1/25

7:45 am-1:50 pm

1 stop5h 05m

$292

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 1/24

7:45 am-1:50 pm

1 stop5h 05m

$292

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 1/21

7:45 am-5:05 pm

1 stop8h 20m

$298

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 12/24

12:39 pm-7:50 pm

2 stops30h 11m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Compare providers for flights from Chicago to Nantucket

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Nantucket in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Nantucket flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Nantucket flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Nantucket flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Nantucket flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Nantucket flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Nantucket

What is the cheapest month to book a flight from Chicago to Nantucket?

Currently, January is the cheapest month in which you can book a flight from Chicago to Nantucket (average of $91). Flying from Chicago to Nantucket in February is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Nantucket

Get insights into the airlines that provide service to Nantucket. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nantucket. Reviews last updated November 25, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and JetBlue from Chicago to Nantucket. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
7,998 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,903 reviews
Delta
7.9
Good
7,998 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Nantucket from Chicago?

    Nantucket Memorial (ACK), located 2.8 mi from the city center, is the airport you fly into when you book flights from Chicago to Nantucket. 3 airlines have flights to Memorial from Chicago on a regular basis. Booking flights from Chicago to Nantucket Memorial should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • What are the cheapest airlines flying from Chicago to Nantucket round-trip?

    JetBlue, at $162, was found to be the cheapest airline from Chicago to Nantucket.Alternate airlines to your destination round-trip include United Airlines and American Airlines.

  • Can I find deals for flights from Chicago to Nantucket that include hotel bookings?

    Yes. In addition to deals on Chicago to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Nantucket?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Nantucket.

  • Can I find deals for business class flights from Chicago to Nantucket?

    Yes. Cheapflights offers flight deals from Chicago to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Nantucket?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Nantucket (average of $91). Flying from Chicago to Nantucket in February is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Chicago to Nantucket

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Chicago to Nantucket

Discover the top 3 airlines that operate flights from Chicago to Nantucket. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$162Average$461FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$304Average$628FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$319Average$487FlexibilityNo cancel feeOn-time71%

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