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$98+ Cheap flights from O'Hare Intl (ORD) 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ACK
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Nantucket

Cheapest flights from O'Hare Intl to Nantucket
Explore the most affordable flight options available from O'Hare Intl to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:35 am
ORD
-
ACK
1 stop4h 28m
Delta
Wed 7/2912:01 pm
ACK
-
ORD
2 stops7h 40m
Delta
Deal found 2/27$202
This Delta deal was found by Cheapflights users on 2/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
ORD
-
ACK
1 stop4h 27m
Delta
Wed 6/104:51 pm
ACK
-
ORD
1 stop6h 52m
Delta
Deal found 2/28$238
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:10 am
ORD
-
ACK
2 stops9h 55m
Delta
Tue 8/181:45 pm
ACK
-
ORD
2 stops11h 12m
Delta
Deal found 3/1$249
This American Airlines deal was found by Cheapflights users on 2/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:42 am
ORD
-
ACK
1 stop4h 46m
American Airlines
Wed 7/292:19 pm
ACK
-
ORD
1 stop6h 04m
American Airlines
Deal found 2/27$263
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:10 pm
ORD
-
ACK
1 stop18h 17m
Delta
Tue 8/181:45 pm
ACK
-
ORD
1 stop8h 00m
Delta
Deal found 3/1$275

Find flight deals from O'Hare Intl to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Delta)

One-way from

$98
(Delta)

Popular in

April

Cheapest in

January

Average price

$227
Provider with most accurate pricing for Chicago O'Hare Intl-Nantucket Memorial flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Nantucket Memorial flights.
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From Chicago O'Hare Intl to Nantucket Memorial
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One-way flight from Chicago O'Hare Intl to Nantucket Memorial
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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 March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 March 4, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

10:35 am-4:03 pm

1 stop4h 28m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$202

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 6/3

6:00 am-11:27 am

1 stop4h 27m

Nantucket Memorial

Wed 6/10

4:51 pm-10:43 pm

1 stop6h 52m

$238

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 8/12

6:00 am-6:05 pm

2 stops11h 05m

Nantucket Memorial

Tue 8/18

1:45 pm-11:57 pm

2 stops11h 12m

$249

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 6/27

5:00 am-12:26 pm

1 stop6h 26m

Nantucket Memorial

Sat 7/4

9:45 am-11:43 am

Nonstop2h 58m

$408

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/1

8:00 am-4:28 pm

1 stop7h 28m

Nantucket Memorial

Sat 8/8

5:14 pm-11:25 pm

1 stop7h 11m

$418

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 8/25

8:15 am-6:05 pm

2 stops8h 50m

$104

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Mon 8/24

8:55 am-6:05 pm

2 stops8h 10m

$104

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/29

7:10 am-6:05 pm

2 stops9h 55m

$104

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sun 8/30

7:30 am-1:27 pm

1 stop4h 57m

$153

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 6/3

6:00 am-11:27 am

1 stop4h 27m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Nantucket in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 O'Hare Intl Airport-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Nantucket flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Nantucket flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Nantucket flights, Cheapflights users trust FlightHub the most. FlightHub 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 O'Hare Intl Airport-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 O'Hare Intl to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from O'Hare Intl 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 O'Hare Intl Airport to Nantucket

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Nantucket?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Nantucket (average of $91). Flying from Chicago O'Hare Intl Airport to Nantucket in January is currently the most expensive (average of $117). 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 March 4, 2026.
Get a feel of what it's like to fly with JetBlue and American Airlines from Chicago O'Hare Intl Airport to Nantucket by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,896 reviews

Comfort

7.5

Overall

7.2

Entertainment

7.2

Food

6.6

Crew

8.0

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
JetBlue
7.2
Good
2,896 reviews
JetBlue
7.2
Good
2,896 reviews

Comfort

7.5

Overall

7.2

Entertainment

7.2

Food

6.6

Crew

8.0

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
American Airlines
7.1
Good
11,379 reviews
JetBlue
7.2
Good
2,896 reviews

Comfort

7.5

Overall

7.2

Entertainment

7.2

Food

6.6

Crew

8.0

Boarding

7.4

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Nantucket. You should not have trouble finding flights to Memorial from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Nantucket airport from Chicago O'Hare Intl. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Nantucket?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Nantucket in 4h 28m. Fly via Delta to get the fastest option. There are 921 mi between Chicago O'Hare Intl Airport and Nantucket.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Nantucket round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Nantucket is JetBlue. Our recent data shows that you can find tickets from as low as $123 on this airline. An additional option worth looking into is American Airlines, starting at $319.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Nantucket one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $113. American Airlines flights start at $164 while deals on United Airlines start at $263 one-way.

  • Can I find deals for flights from O'Hare Intl to Nantucket that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Nantucket?

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

  • Can I find deals for business class flights from O'Hare Intl to Nantucket?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Nantucket?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Nantucket (average of $91). Flying from Chicago O'Hare Intl Airport to Nantucket in January is currently the most expensive (average of $117). 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.

See more FAQs

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Top 2 airlines flying from O'Hare Intl to Nantucket

Discover the top 2 airlines that operate flights from O'Hare Intl 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$572FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$319Average$478FlexibilityNo cancel feeOn-time71%

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