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O'Hare Intl

$292+ Cheap flights from Nantucket (ACK) to O'Hare Intl (ORD)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — ORD
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Nantucket to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Nantucket (ACK) to O'Hare Intl (ORD). 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 September 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

January

Average price

$200
Provider with most accurate pricing for Nantucket Memorial-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Nantucket Memorial-Chicago O'Hare Intl flights.
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Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Nantucket to O'Hare Intl

One-way flights from Nantucket to O'Hare Intl
Search for one-way flight options from Nantucket to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 29, 2025.

This JetBlue deal was found by Cheapflights users on 9/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 amACK - ORD
1 stop7h 26mJetBlue
Deal found 9/28$292
This JetBlue deal was found by Cheapflights users on 9/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:32 pmACK - ORD
1 stop5h 59mJetBlue
Deal found 9/28$297
This JetBlue deal was found by Cheapflights users on 9/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:49 amACK - ORD
1 stop5h 35mJetBlue
Deal found 9/27$322
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:38 pmACK - ORD
3 stops33h 25mMultiple Airlines
Deal found 9/28$324
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:38 pmACK - ORD
3 stops43h 12mMultiple Airlines
Deal found 9/27$330
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:38 pmACK - ORD
3 stops32h 07mMultiple Airlines
Deal found 9/27$331
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:41 pmACK - ORD
3 stops30h 03mMultiple Airlines
Deal found 9/27$339
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:38 pmACK - ORD
3 stops31h 11mMultiple Airlines
Deal found 9/28$342
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:38 pmACK - ORD
3 stops40h 40mMultiple Airlines
Deal found 9/28$366
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:05 pmACK - ORD
3 stops49h 41mMultiple Airlines
Deal found 9/27$374

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nantucket to O'Hare Intl 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 September 29, 2025.
Use the filters below to find and compare flights from Nantucket to Chicago O'Hare Intl Airport that are best for you.

Fly from

Nantucket

Fly to

O'Hare Intl

Route

Depart

Return

Price

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Mon 3/23

11:05 am-5:31 pm

1 stop7h 26m

$292

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Tue 3/24

6:49 am-11:24 am

1 stop5h 35m

$292

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Thu 3/26

12:32 pm-5:31 pm

1 stop5h 59m

$292

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Wed 3/25

6:49 am-11:24 am

1 stop5h 35m

$297

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Fri 3/27

12:32 pm-5:31 pm

1 stop5h 59m

$297

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Fri 10/24

4:38 pm-11:45 pm

3 stops32h 07m

$331

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Mon 10/27

4:38 pm-1:03 am

3 stops33h 25m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Nantucket to O'Hare Intl

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 Nantucket to O'Hare Intl in September.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 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 Nantucket-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Nantucket-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Nantucket-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Nantucket-Chicago O'Hare Intl Airport 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 Nantucket-Chicago O'Hare Intl Airport 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 Nantucket to O'Hare Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Nantucket to Chicago O'Hare Intl Airport (average of $245). Flying from Nantucket to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

Related info for your journey

Find useful and relevant information for your journey from Nantucket to O'Hare Intl. 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 from for flights from Nantucket to Chicago O'Hare Intl?

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

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

    The top 3 most reliable airlines when flying from Nantucket to Chicago O'Hare Intl Airport are American Airlines (54%), Republic Airways (54%) and SkyWest Airlines (40%).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Nantucket to Chicago O'Hare Intl Airport (average of $245). Flying from Nantucket to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Merrillville
Bridgeview
Warrenville
Joliet

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