Nantucket

$103+ Cheap flights from Illinois 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ACK
Mar 14 — Mar 211
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Cheap flight deals from Illinois to Nantucket

Cheapest flights from Illinois to Nantucket
Explore the most affordable flight options available from Illinois to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/11. 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 8/291:55 pm
ORD
-
ACK
Nonstop2h 40m
American Airlines
Wed 9/25:13 pm
ACK
-
ORD
1 stop7h 21m
American Airlines
Deal found 2/11$228
This Delta deal was found by Cheapflights users on 2/9. 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.
Mon 8/1710:35 am
ORD
-
ACK
1 stop6h 30m
Delta
Wed 8/261:45 pm
ACK
-
ORD
1 stop6h 37m
Delta
Deal found 2/9$238
This Delta deal was found by Cheapflights users on 2/9. 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 7/216:00 am
ORD
-
ACK
1 stop4h 21m
Delta
Wed 7/2912:01 pm
ACK
-
ORD
2 stops7h 40m
Delta
Deal found 2/9$244
This American Airlines deal was found by Cheapflights users on 2/11. 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 7/218:18 am
ORD
-
ACK
1 stop5h 16m
American Airlines
Wed 7/292:19 pm
ACK
-
ORD
1 stop7h 31m
American Airlines
Deal found 2/11$263
This JetBlue deal was found by Cheapflights users on 2/8. 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.
Mon 8/316:00 am
ORD
-
ACK
1 stop8h 23m
JetBlue
Thu 9/34:20 pm
ACK
-
ORD
1 stop5h 24m
JetBlue
Deal found 2/8$265
This Delta deal was found by Cheapflights users on 2/11. 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 8/298:15 am
ORD
-
ACK
2 stops8h 50m
Delta
Wed 9/22:10 pm
ACK
-
ORD
2 stops10h 47m
Delta
Deal found 2/11$284
This Delta deal was found by Cheapflights users on 2/9. 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 8/152:30 pm
ORD
-
ACK
1 stop26h 35m
Delta
Wed 8/261:45 pm
ACK
-
ORD
1 stop5h 03m
Delta
Deal found 2/9$305
This Delta deal was found by Cheapflights users on 2/9. 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.
Mon 8/179:35 am
ORD
-
ACK
1 stop7h 30m
Delta
Thu 8/201:45 pm
ACK
-
ORD
1 stop8h 00m
Delta
Deal found 2/9$306
This Delta deal was found by Cheapflights users on 2/11. 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 8/299:30 am
MDW
-
ACK
2 stops7h 35m
Delta
Wed 9/22:10 pm
ACK
-
MDW
2 stops8h 36m
Delta
Deal found 2/11$404
This Delta deal was found by Cheapflights users on 2/10. 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 7/216:00 am
MDW
-
ACK
2 stops9h 03m
Delta
Wed 7/2912:01 pm
ACK
-
MDW
2 stops7h 30m
Delta
Deal found 2/10$603
This Delta deal was found by Cheapflights users on 2/11. 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.
Fri 5/296:30 am
MDW
-
ACK
2 stops7h 47m
Delta
Tue 6/212:07 pm
ACK
-
MDW
2 stops7h 07m
Delta
Deal found 2/11$1,074
This Delta deal was found by Cheapflights users on 2/10. 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.
Fri 7/246:00 am
MDW
-
ACK
2 stops9h 03m
Delta
Mon 7/2712:01 pm
ACK
-
MDW
2 stops7h 30m
Delta
Deal found 2/10$1,129

Find flight deals from Illinois to Nantucket

Keep the following information in mind while searching for Illinois to Nantucket flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Delta)

One-way from

$103
(JetBlue)

Popular in

April

Cheapest in

January

Average price

$240
Provider with most accurate pricing for Chicago (CHI)-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Boston Logan Intl flights.
From Illinois to Nantucket Memorial
One-way flight from Illinois to Nantucket Memorial
Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 February 12, 2026.
Use the filters below to find and compare flights from Illinois to Nantucket that are best for you.

Fly from

Illinois

Fly to

Nantucket

Route

Depart

Return

Price

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

6:00 am-11:21 am

1 stop4h 21m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$244

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

6:48 am-1:49 pm

1 stop6h 01m

Nantucket Memorial

Wed 7/29

2:19 pm-8:50 pm

1 stop7h 31m

$263

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 7/4

1:55 pm-5:35 pm

Nonstop2h 40m

Nantucket Memorial

Sat 7/11

9:45 am-11:43 am

Nonstop2h 58m

$408

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Tue 7/21

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Wed 7/29

12:01 pm-6:31 pm

2 stops7h 30m

$603

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Sat 7/25

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Sat 8/1

12:01 pm-6:31 pm

2 stops7h 30m

$969

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Fri 5/29

6:30 am-3:17 pm

2 stops7h 47m

Nantucket Memorial

Tue 6/2

12:07 pm-6:14 pm

2 stops7h 07m

$1,074

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Fri 7/24

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Mon 7/27

12:01 pm-6:31 pm

2 stops7h 30m

$1,129

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Sat 8/1

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Sat 8/8

2:10 pm-9:45 pm

2 stops8h 35m

$1,139

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Mon 6/8

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Sat 6/13

12:01 pm-9:45 pm

2 stops10h 44m

$1,179

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Fri 6/5

6:30 am-3:17 pm

2 stops7h 47m

Nantucket Memorial

Sat 6/13

2:10 pm-9:45 pm

2 stops8h 35m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 19 results
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Best time to book a flight from Illinois to Nantucket

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Nantucket (average of $91). Flying from Illinois 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Illinois to Nantucket. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

  • How long is the flight from Illinois to Nantucket?

    A quick flight from Illinois to Nantucket can take about 4h 21m. Delta provides one of the quickest options available for as low as $244. Illinois and Nantucket are separated by a distance of 921 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Nantucket one-way?

    $96 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $120 and $263, respectively.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Nantucket (average of $91). Flying from Illinois 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Nantucket

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Nantucket

Discover the top 3 airlines that operate flights from Illinois 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$461FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$304Average$549FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$319Average$487FlexibilityNo cancel feeOn-time71%

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