$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
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Nantucket with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Nantucket
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to NantucketExplore 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.
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![American Airlines logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![American Airlines logo]()
$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![JetBlue logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![Delta logo]()
$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![Delta logo]()
$1,129
Best flights from Illinois to NantucketDiscover carefully curated flight deals from Illinois to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Illinois to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
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![Delta logo]()
$244
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:48 am
ORD
- ACK
1 stop6h 01m
American Airlines
Wed 7/292:19 pm
ACK
- ORD
1 stop7h 31m
American Airlines
Deal found 2/10![American Airlines logo]()
$263
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:55 pm
ORD
- ACK
Nonstop2h 40m
American Airlines
Sat 7/119:45 am
ACK
- ORD
Nonstop2h 58m
American Airlines
Deal found 2/8![American Airlines logo]()
$408
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![Delta logo]()
$603
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 7/256:00 am
MDW
- ACK
2 stops9h 03m
Delta
Sat 8/112:01 pm
ACK
- MDW
2 stops7h 30m
Delta
Deal found 2/9![Delta logo]()
$969
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![Delta logo]()
$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![Delta logo]()
$1,129
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 8/16:00 am
MDW
- ACK
2 stops9h 03m
Delta
Sat 8/82:10 pm
ACK
- MDW
2 stops8h 35m
Delta
Deal found 2/9![Delta logo]()
$1,139
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 6/86:00 am
MDW
- ACK
2 stops9h 03m
Delta
Sat 6/1312:01 pm
ACK
- MDW
2 stops10h 44m
Delta
Deal found 2/9![Delta logo]()
$1,179
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.
Fri 6/56:30 am
MDW
- ACK
2 stops7h 47m
Delta
Sat 6/132:10 pm
ACK
- MDW
2 stops8h 35m
Delta
Deal found 2/9![Delta logo]()
$1,279
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.
Fri 6/56:30 am
MDW
- ACK
2 stops7h 47m
Delta
Sun 6/712:01 pm
ACK
- MDW
2 stops10h 44m
Delta
Deal found 2/9![Delta logo]()
$1,389
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.
Thu 8/66:00 am
MDW
- ACK
2 stops9h 03m
Delta
Sun 8/912:01 pm
ACK
- MDW
2 stops10h 44m
Delta
Deal found 2/10![Delta logo]()
$1,399
Last-minute flights from Illinois to NantucketDiscover last-minute flight deals from Illinois to Nantucket. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Nantucket. Data last updated February 12, 2026 and is based on user searches.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:00 am
ORD
- ACK
1 stop7h 24m
Multiple Airlines
Sat 2/284:04 pm
ACK
- ORD
2 stops7h 55m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$624
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
ORD
- ACK
2 stops27h 40m
Multiple Airlines
Sun 3/16:45 pm
ACK
- ORD
3 stops26h 02m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$772
One-way flights from Illinois to NantucketSearch for one-way flight options from Illinois to Nantucket. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Illinois to Nantucket. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
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.
Wed 8/56:00 am
ORD
- ACK
1 stop8h 23m
JetBlue
Deal found 2/8![JetBlue logo]()
$103
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.
Tue 8/116:00 am
ORD
- ACK
1 stop8h 23m
JetBlue
Deal found 2/8![JetBlue logo]()
$138
This Delta deal was found by Cheapflights users on 2/12. 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 8/1010:35 am
ORD
- ACK
1 stop6h 30m
Delta
Deal found 2/12![Delta logo]()
$153
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:15 pm
ORD
- ACK
1 stop26h 48m
Delta
Deal found 2/8![Delta logo]()
$162
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:33 am
ORD
- ACK
1 stop4h 50m
JetBlue
Deal found 2/10![JetBlue logo]()
$167
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.
Fri 8/79:33 am
ORD
- ACK
1 stop4h 50m
JetBlue
Deal found 2/8![JetBlue logo]()
$203
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
Deal found 2/11![Delta logo]()
$665
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:30 am
MDW
- ACK
3 stops35h 13m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,466
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 |
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
Showing 1-10 of 19 results
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.
ORD-ACK
MDW-ACK
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
USIL-ACK
ORD-ACK
MDW-ACK
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Nantucket flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Illinois to Nantucket
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Nantucket by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Nantucket by cabin class
Find flights from Illinois to Nantucket, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Nantucket
Explore flights to Nantucket departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Illinois and Nantucket flights
Browse other Illinois and Nantucket flight options. Last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Nantucket flights
Consider these flights traveling from Illinois to Nantucket.
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$461 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$304 | Average$549 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$319 | Average$487 | FlexibilityNo cancel fee | On-time71% |