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$119+ Cheap flights from Nantucket (ACK) to Illinois

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ACK — ORD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Nantucket to Illinois

Cheapest flights from Nantucket to Illinois
Explore the most affordable flight options available from Nantucket to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:32 pm
ACK
-
ORD
Nonstop3h 15m
United Airlines
Wed 9/237:10 am
ORD
-
ACK
1 stop7h 18m
United Airlines
Deal found 1/19$559
This lastminute.com deal was found by Cheapflights users on 1/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/235:30 pm
ACK
-
ORD
1 stop25h 13m
Multiple Airlines
Sun 1/257:40 am
ORD
-
ACK
1 stop11h 10m
Multiple Airlines
Deal found 1/20$568

Find flight deals from Nantucket to Illinois

Keep the following information in mind while searching for Nantucket to Illinois flight deals. Data was last updated January 20, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Popular in

April

Cheapest in

September

Average price

$205
Provider with most accurate pricing for Boston Logan Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Chicago (CHI) flights.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($26 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Nantucket to Illinois 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 January 20, 2026.
Use the filters below to find and compare flights from Nantucket to Illinois that are best for you.

Fly from

Nantucket

Fly to

Illinois

Route

Depart

Return

Price

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Wed 7/15

10:00 am-6:41 pm

2 stops9h 41m

$119

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Wed 7/15

3:38 pm-7:26 pm

1 stop4h 48m

$121

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Thu 7/16

1:45 pm-7:22 pm

1 stop6h 37m

$194

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Fri 7/17

1:45 pm-8:45 pm

1 stop8h 00m

$194

NantucketChicago

ACK - ORD

ACKORD

Nantucket Memorial

Sat 7/18

4:58 pm-9:43 pm

1 stop5h 45m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Best time to book a flight from Nantucket to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Currently, April is the cheapest month in which you can book a flight from Nantucket to Illinois (average of $89). Flying from Nantucket to Illinois in January is currently the most expensive (average of $123). 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 Illinois. 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 Illinois?

    Most people fly from Nantucket Memorial (ACK) if they book a flight from Nantucket to Illinois. Nantucket Memorial is conveniently located just 2.8 mi from Nantucket’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Nantucket to Illinois 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 Illinois?

    Currently, April is the cheapest month in which you can book a flight from Nantucket to Illinois (average of $89). Flying from Nantucket to Illinois in January is currently the most expensive (average of $123). 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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