$278+ Cheap flights from Chicago (CHI) to Nantucket (ACK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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 Chicago to Nantucket
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Cheapest flights from Chicago to NantucketExplore the most affordable flight options available from Chicago to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Chicago to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Priceline deal was found by Cheapflights users on 9/16. 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.
Wed 10/149:38 am -
1 stop6h 11m
Sat 10/1711:00 am -
1 stop9h 14m
Deal found 9/16![JetBlue logo]()
$523
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Fri 10/1611:00 am -
1 stop22h 47m
Deal found 9/16![JetBlue logo]()
$542
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:38 am -
1 stop24h 44m
Mon 10/53:30 pm -
1 stop28h 33m
Deal found 9/16![JetBlue logo]()
$634
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Tue 10/1311:00 am -
1 stop22h 47m
Deal found 9/17![JetBlue logo]()
$736
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Mon 10/123:28 pm -
1 stop18h 19m
Deal found 9/16![JetBlue logo]()
$743
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:12 pm -
3 stops27h 27m
Tue 10/272:15 pm -
3 stops34h 32m
Deal found 9/19![Multiple Airlines logo]()
$1,277
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Fri 10/96:52 am -
3 stops29h 43m
Tue 10/136:58 pm -
3 stops29h 45m
Deal found 9/17![Multiple Airlines logo]()
$1,368
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/16:46 pm -
3 stops37h 49m
Mon 10/58:10 am -
3 stops16h 33m
Deal found 9/16![Multiple Airlines logo]()
$1,443
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 9/256:46 pm -
2 stops23h 54m
Sun 9/276:53 pm -
3 stops29h 51m
Deal found 9/16![Multiple Airlines logo]()
$1,651
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:46 pm -
2 stops26h 19m
Sun 9/272:00 pm -
3 stops34h 44m
Deal found 9/19![Multiple Airlines logo]()
$1,873
Best flights from Chicago to NantucketDiscover carefully curated flight deals from Chicago to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Chicago to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:38 am -
1 stop24h 44m
Mon 10/53:30 pm -
1 stop18h 19m
Deal found 9/15![JetBlue logo]()
$634
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:10 am -
2 stops7h 00m
Sun 12/65:59 pm -
2 stops20h 40m
Deal found 9/16![Multiple Airlines logo]()
$1,047
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/179:38 am -
1 stop6h 11m
Sun 10/1811:00 am -
1 stop22h 47m
Deal found 9/17![JetBlue logo]()
$635
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Tue 10/1311:00 am -
1 stop22h 47m
Deal found 9/17![JetBlue logo]()
$736
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Mon 10/123:28 pm -
1 stop18h 19m
Deal found 9/17![JetBlue logo]()
$803
This Expedia deal was found by Cheapflights users on 9/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:24 pm -
2 stops19h 45m
Wed 10/711:20 am -
1 stop8h 43m
Deal found 9/18![Multiple Airlines logo]()
$1,066
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:38 pm -
2 stops27h 11m
Sat 10/1711:00 am -
2 stops12h 10m
Deal found 9/16![JetBlue logo]()
$890
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:24 pm -
2 stops19h 45m
Mon 10/52:15 pm -
1 stop5h 48m
Deal found 9/16![Multiple Airlines logo]()
$1,131
This United deal was found by Cheapflights users on 9/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:50 pm -
2 stops20h 20m
Mon 10/264:30 pm -
2 stops24h 02m
Deal found 9/19![Multiple Airlines logo]()
$1,140
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:12 pm -
3 stops27h 27m
Tue 10/272:15 pm -
3 stops34h 32m
Deal found 9/19![Multiple Airlines logo]()
$1,277
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Fri 10/96:52 am -
3 stops29h 43m
Tue 10/136:58 pm -
3 stops29h 45m
Deal found 9/17![Multiple Airlines logo]()
$1,368
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/16:46 pm -
2 stops22h 34m
Mon 10/57:00 am -
3 stops17h 43m
Deal found 9/16![Multiple Airlines logo]()
$1,453
Last-minute flights from Chicago to NantucketDiscover last-minute flight deals from Chicago to Nantucket. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Nantucket. Data last updated September 20, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:46 pm -
2 stops26h 19m
Sun 9/272:00 pm -
3 stops34h 44m
Deal found 9/19![Multiple Airlines logo]()
$1,873
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 9/256:46 pm -
2 stops23h 54m
Sun 9/276:53 pm -
3 stops29h 51m
Deal found 9/16![Multiple Airlines logo]()
$1,651
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:38 am -
1 stop24h 44m
Mon 10/53:30 pm -
1 stop28h 33m
Deal found 9/16![JetBlue logo]()
$634
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Thu 10/16:46 pm -
3 stops37h 49m
Mon 10/58:10 am -
3 stops16h 33m
Deal found 9/16![Multiple Airlines logo]()
$1,443
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Fri 10/1611:00 am -
1 stop22h 47m
Deal found 9/16![JetBlue logo]()
$542
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Tue 10/1311:00 am -
1 stop22h 47m
Deal found 9/17![JetBlue logo]()
$736
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am -
1 stop27h 25m
Mon 10/123:28 pm -
1 stop18h 19m
Deal found 9/16![JetBlue logo]()
$743
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Fri 10/96:52 am -
3 stops29h 43m
Tue 10/136:58 pm -
3 stops29h 45m
Deal found 9/17![Multiple Airlines logo]()
$1,368
This Priceline deal was found by Cheapflights users on 9/16. 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.
Wed 10/149:38 am -
1 stop6h 11m
Sat 10/1711:00 am -
1 stop9h 14m
Deal found 9/16![JetBlue logo]()
$523
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:12 pm -
3 stops27h 27m
Tue 10/272:15 pm -
3 stops34h 32m
Deal found 9/19![Multiple Airlines logo]()
$1,277
One-way flights from Chicago to NantucketSearch for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:38 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![JetBlue logo]()
$278
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:38 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![JetBlue logo]()
$279
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:38 am -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$310
This Priceline deal was found by Cheapflights users on 9/17. 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 3/1611:00 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$341
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:38 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![JetBlue logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 3/175:16 pm -
2 stops20h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$388
This Priceline deal was found by Cheapflights users on 9/15. 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.
Sat 11/141:00 pm -
1 stop4h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$403
This United deal was found by Cheapflights users on 9/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:29 am -
2 stops7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$407
This Priceline deal was found by Cheapflights users on 9/15. 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.
Sun 3/1411:00 am -
1 stop6h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$432
This Priceline deal was found by Cheapflights users on 9/16. 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.
Mon 11/161:00 pm -
1 stop4h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 3/135:32 pm -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$434
This Booking.com deal was found by Cheapflights users on 9/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:25 am -
3 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$833
Find flight deals from Chicago to Nantucket
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Nantucket (ACK). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $523 (Priceline) |
One-way from | $278 (KAYAK) |
Popular in | August |
Cheapest in | January |
Average price | $280 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Chicago to Nantucket that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 10/17
9:38 am-4:49 pm
1 stop6h 11m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$278
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 3/17
5:16 pm-2:53 pm
2 stops20h 37m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$388
Quickest round-trip
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 11/14
1:00 pm-6:38 pm
1 stop4h 38m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$403
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 3/19
10:25 am-6:10 pm
1 stop6h 45m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$492
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Tue 3/16
7:10 am-6:57 pm
2 stops10h 47m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$498
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Thu 3/18
11:45 am-8:40 pm
2 stops7h 55m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$498
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Mon 11/16
9:13 am-5:10 pm
2 stops6h 57m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$524
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 10/16
7:50 pm-3:04 pm
2 stops18h 14m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$530
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sun 11/15
6:15 am-5:10 pm
2 stops9h 55m
Nantucket Memorial
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$530
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 9/30
9:38 am-11:22 am
1 stop24h 44m
Nantucket Memorial
Mon 10/5
3:30 pm-8:49 am
1 stop18h 19m
$634
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Chicago to Nantucket
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 Chicago to Nantucket in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Nantucket flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Nantucket flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Nantucket flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Nantucket flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago-Nantucket 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 Chicago to Nantucket
Have a flexible travel schedule? Discover the best time to fly to Nantucket from Chicago with our price prediction graph.
CHI-ACK
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 Chicago to Nantucket
CHI-ACK
ORD-ACK
MDW-ACK
What is the cheapest time of day to fly from CHI to ACK?
Find hourly flight availability from Chicago to Nantucket. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 20, 2026.
When flying from Chicago to Nantucket, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Nantucket
Get insights into the airlines that provide service to Nantucket. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Nantucket. Reviews last updated September 20, 2026.
Read reviews from past customers who have flown American Airlines from Chicago to Nantucket. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Crew
7.9
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Overall
7.0
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Food
6.4
Crew
7.9
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Overall
7.0
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Nantucket
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Top 3 airlines flying from Chicago to Nantucket
Discover the top 3 airlines that operate flights from Chicago 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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$166 | Average$547 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$282 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$338 | Average$438 | FlexibilityNo cancel fee | On-time71% |