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O'Hare Intl

$181+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — ORD
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:29 amACK - ORD
1 stop4h 46mAmerican Airlines
Deal found 12/25$181
This Delta deal was found by Cheapflights users on 12/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:00 amACK - ORD
2 stops12h 16mDelta
Deal found 12/25$190
This JetBlue deal was found by Cheapflights users on 12/28. 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 3/261:30 pmACK - ORD
1 stop4h 54mJetBlue
Deal found 12/28$217
This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:44 pmACK - ORD
1 stop7h 51mAmerican Airlines
Deal found 12/25$224
This Delta deal was found by Cheapflights users on 12/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:00 amACK - ORD
2 stops9h 41mDelta
Deal found 12/25$230
This American Airlines deal was found by Cheapflights users on 12/27. 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.
Fri 6/2610:29 amACK - ORD
1 stop4h 46mAmerican Airlines
Deal found 12/27$244
This Delta deal was found by Cheapflights users on 12/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:00 amACK - ORD
2 stops11h 24mDelta
Deal found 12/25$270
This JetBlue deal was found by Cheapflights users on 12/26. 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.
Tue 1/2711:30 amACK - ORD
1 stop7h 13mJetBlue
Deal found 12/26$282
This JetBlue deal was found by Cheapflights users on 12/26. 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.
Sat 1/241:30 pmACK - ORD
1 stop5h 13mJetBlue
Deal found 12/26$292

Find 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 December 28, 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 Nantucket Memorial-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nantucket Memorial-Chicago O'Hare Intl flights.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

Tue 6/23

10:00 am-9:16 pm

2 stops12h 16m

$190

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Mon 3/30

1:30 pm-5:24 pm

1 stop4h 54m

$217

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Fri 3/27

1:30 pm-5:24 pm

1 stop4h 54m

$217

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Wed 6/24

10:00 am-6:41 pm

2 stops9h 41m

$230

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Fri 6/26

10:29 am-2:15 pm

1 stop4h 46m

$244

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Mon 6/22

10:00 am-8:45 pm

1 stop11h 45m

$252

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Thu 6/25

4:25 pm-10:49 pm

1 stop7h 24m

$259

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Thu 6/25

10:00 am-8:24 pm

2 stops11h 24m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 December.
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, April is the cheapest month in which you can book a flight from Nantucket to Chicago O'Hare Intl Airport (average of $89). Flying from Nantucket to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $134). 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.

  • 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, April is the cheapest month in which you can book a flight from Nantucket to Chicago O'Hare Intl Airport (average of $89). Flying from Nantucket to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $134). 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
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