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$105+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ACK
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
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 July 27, 2026.

This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:35 am
ORD
-
ACK
1 stop4h 49m
JetBlue
Tue 8/1812:02 pm
ACK
-
ORD
1 stop6h 33m
JetBlue
Deal found 7/22$210
This JetBlue deal was found by Cheapflights users on 7/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:35 am
ORD
-
ACK
1 stop4h 49m
JetBlue
Mon 8/243:33 pm
ACK
-
ORD
1 stop4h 54m
JetBlue
Deal found 7/23$219
This JetBlue deal was found by Cheapflights users on 7/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Wed 8/2612:02 pm
ACK
-
ORD
1 stop6h 33m
JetBlue
Deal found 7/24$220
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Mon 8/3112:02 pm
ACK
-
ORD
1 stop5h 15m
JetBlue
Deal found 7/25$248
This JetBlue deal was found by Cheapflights users on 7/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:40 am
ORD
-
ACK
1 stop4h 44m
JetBlue
Mon 8/173:33 pm
ACK
-
ORD
1 stop4h 54m
JetBlue
Deal found 7/24$257
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/59:45 am
ORD
-
ACK
Nonstop2h 49m
American Airlines
Sun 9/612:13 pm
ACK
-
ORD
1 stop7h 41m
American Airlines
Deal found 7/26$282
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/15:00 am
ORD
-
ACK
1 stop6h 23m
American Airlines
Tue 9/811:17 am
ACK
-
ORD
1 stop7h 47m
American Airlines
Deal found 7/22$315
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:53 am
ORD
-
ACK
1 stop4h 37m
American Airlines
Wed 8/265:00 pm
ACK
-
ORD
1 stop7h 37m
American Airlines
Deal found 7/24$325
This JetBlue deal was found by Cheapflights users on 7/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Thu 8/204:19 pm
ACK
-
ORD
1 stop6h 39m
JetBlue
Deal found 7/26$327
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Mon 8/173:33 pm
ACK
-
ORD
1 stop4h 54m
JetBlue
Deal found 7/25$336

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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(JetBlue)

One-way from

$105
(JetBlue)

Popular in

April

Cheapest in

January

Average price

$263

Good round-trip deal

$348 or less

Good one-way deal

$323 or less
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
Search Deals
One-way flight from Chicago O'Hare Intl to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Nantucket Memorial.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Nantucket Memorial.
Search Deals

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 July 27, 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

Cheapest round-trip

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/22

6:00 am-3:24 pm

1 stop8h 24m

Nantucket Memorial

Wed 8/26

3:33 pm-7:27 pm

1 stop4h 54m

$209

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/15

9:40 am-3:24 pm

1 stop4h 44m

Nantucket Memorial

Mon 8/17

3:33 pm-7:27 pm

1 stop4h 54m

$237

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/22

5:30 am-2:41 pm

2 stops8h 11m

Nantucket Memorial

Tue 8/25

12:28 pm-11:57 pm

2 stops12h 29m

$421

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 8/26

7:05 am-3:03 pm

1 stop6h 58m

Nantucket Memorial

Sat 8/29

4:45 pm-7:00 pm

Nonstop3h 15m

$470
Quickest round-trip

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/22

11:59 am-3:49 pm

Nonstop2h 50m

Nantucket Memorial

Wed 8/26

4:15 pm-9:00 pm

1 stop5h 45m

$479

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 7/30

6:00 am-2:41 pm

1 stop7h 41m

Nantucket Memorial

Mon 8/3

4:40 pm-10:24 pm

1 stop6h 44m

$503

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 8/14

6:00 am-3:24 pm

1 stop8h 24m

Nantucket Memorial

Sun 8/16

3:33 pm-7:27 pm

1 stop4h 54m

$507

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/6

9:35 am-3:24 pm

1 stop4h 49m

Nantucket Memorial

Sun 8/9

12:02 pm-4:18 pm

1 stop5h 16m

$526

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/13

6:00 am-2:41 pm

1 stop7h 41m

Nantucket Memorial

Tue 8/18

3:24 pm-11:57 pm

2 stops9h 33m

$534

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 7/31

5:30 am-3:48 pm

2 stops9h 18m

Nantucket Memorial

Mon 8/3

12:28 pm-7:12 pm

1 stop7h 44m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 23 resultsSorted by cheapest first
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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 July.
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 time of day to fly from ORD to ACK?

Find hourly flight availability from O'Hare Intl to Nantucket. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Nantucket as you normally would.

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 July 27, 2026.
Get a feel of what it's like to fly with Delta,American Airlines, andJetBlue 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.
Delta
7.8
Good
8,484 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Delta
7.8
Good
8,484 reviews
Delta
7.8
Good
8,484 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
American Airlines
7.1
Good
11,843 reviews
Delta
7.8
Good
8,484 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
JetBlue
7.1
Good
3,026 reviews
Delta
7.8
Good
8,484 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.

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 3 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 6h 58m. Fly via JetBlue, Delta, or United Airlines to get the fastest option. There are 921 mi between Chicago O'Hare Intl Airport and Nantucket. This flight may include one or multiple stops.

  • 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 $162 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $207 and $319 round-trip.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Nantucket?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Nantucket are American Airlines (100%), Republic Airways (100%) and SkyWest Airlines (80%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Nantucket?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Nantucket? While on average our users pay $414, our data indicates the cheapest price to be $173. The most popular route (Chicago O'Hare Intl - Nantucket Memorial), is priced around $229.

  • 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.

See more FAQs

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Top 3 airlines flying from O'Hare Intl to Nantucket

Discover the top 3 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$162Average$512FlexibilityNo cancel feeOn-time62%
DeltaCheapest$207Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$438FlexibilityNo cancel feeOn-time71%

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