$100+ Cheap flights from Chicago (CHI) 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Aug 23 — Aug 301
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 July 24, 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 July 24, 2026.
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sat 8/224:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/20![JetBlue logo]()
$200
This JetBlue deal was found by Cheapflights users on 7/21. 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 8/226:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Wed 8/263:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/21![JetBlue logo]()
$209
This Priceline deal was found by Cheapflights users on 7/22. 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.
Thu 8/139:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Tue 8/1812:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 7/22![JetBlue logo]()
$210
This JetBlue deal was found by Cheapflights users on 7/23. 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 8/209:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Mon 8/243:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/23![JetBlue logo]()
$219
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sat 8/224:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/20![JetBlue logo]()
$228
This JetBlue deal was found by Cheapflights users on 7/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:42 am
ORD
- ACK
1 stop4h 42m
JetBlue
Mon 8/173:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/20![JetBlue logo]()
$237
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Tue 8/113:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/20![JetBlue logo]()
$266
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/59:45 am
ORD
- ACK
Nonstop2h 49m
American Airlines
Sun 9/612:13 pm
ACK
- ORD
1 stop7h 41m
American Airlines
Deal found 7/23![American Airlines logo]()
$282
This Priceline deal was found by Cheapflights users on 7/23. 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 8/86:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Wed 8/123:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/23![JetBlue logo]()
$292
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/158:00 am
ORD
- ACK
1 stop7h 30m
American Airlines
Sat 8/222:04 pm
ACK
- ORD
Nonstop3h 39m
American Airlines
Deal found 7/21![American Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 7/22. 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 8/246:05 am
MDW
- ACK
2 stops7h 36m
Delta
Tue 8/2512:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/22![Delta logo]()
$557
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:05 am
MDW
- ACK
2 stops8h 52m
Delta
Wed 8/123:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/20![Delta logo]()
$637
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 July 24, 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 July 24, 2026.
This JetBlue deal was found by Cheapflights users on 7/21. 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 8/226:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Wed 8/263:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/21![JetBlue logo]()
$209
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:30 pm
ORD
- ACK
1 stop13h 37m
American Airlines
Sun 9/611:17 am
ACK
- ORD
1 stop7h 47m
American Airlines
Deal found 7/19![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 7/22. 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 8/136:00 am
ORD
- ACK
1 stop7h 41m
Delta
Tue 8/183:24 pm
ACK
- ORD
2 stops9h 33m
Delta
Deal found 7/22![Delta logo]()
$534
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/1511:59 am
ORD
- ACK
Nonstop2h 50m
United Airlines
Sun 8/164:45 pm
ACK
- ORD
Nonstop3h 15m
United Airlines
Deal found 7/19![United Airlines logo]()
$574
This JetBlue deal was found by Cheapflights users on 7/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Thu 8/203:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/18![JetBlue logo]()
$376
This Delta deal was found by Cheapflights users on 7/22. 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 8/246:05 am
MDW
- ACK
2 stops7h 36m
Delta
Tue 8/2512:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/22![Delta logo]()
$557
This JetBlue deal was found by Cheapflights users on 7/21. 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 8/69:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Sun 8/912:02 pm
ACK
- ORD
1 stop5h 16m
JetBlue
Deal found 7/21![JetBlue logo]()
$526
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 8/207:05 am
ORD
- ACK
1 stop6h 58m
United Airlines
Sun 8/234:45 pm
ACK
- ORD
Nonstop3h 15m
United Airlines
Deal found 7/19![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:59 am
ORD
- ACK
Nonstop2h 50m
United Airlines
Thu 8/204:15 pm
ACK
- ORD
1 stop8h 07m
United Airlines
Deal found 7/18![United Airlines logo]()
$607
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:59 am
ORD
- ACK
2 stops7h 58m
Delta
Wed 8/123:24 pm
ACK
- ORD
2 stops9h 33m
Delta
Deal found 7/20![Delta logo]()
$637
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:59 am
ORD
- ACK
2 stops6h 42m
Delta
Fri 8/144:40 pm
ACK
- ORD
1 stop6h 44m
Delta
Deal found 7/20![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 7/21. 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 8/196:05 am
MDW
- ACK
2 stops8h 52m
Delta
Sat 8/2212:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/21![Delta logo]()
$753
This Delta deal was found by Cheapflights users on 7/23. 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 8/86:11 am
MDW
- ACK
2 stops8h 46m
Delta
Wed 8/123:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/23![Delta logo]()
$869
This Delta deal was found by Cheapflights users on 7/21. 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 8/116:05 am
MDW
- ACK
2 stops8h 52m
Delta
Mon 8/1712:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/21![Delta logo]()
$914
This Delta deal was found by Cheapflights users on 7/23. 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 8/206:05 am
MDW
- ACK
2 stops8h 52m
Delta
Mon 8/243:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/23![Delta logo]()
$919
This Delta deal was found by Cheapflights users on 7/21. 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 8/86:11 am
MDW
- ACK
2 stops7h 30m
Delta
Fri 8/1412:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/21![Delta logo]()
$927
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:05 am
MDW
- ACK
2 stops8h 52m
Delta
Fri 8/1412:28 pm
ACK
- MDW
2 stops7h 05m
Delta
Deal found 7/20![Delta logo]()
$928
This Delta deal was found by Cheapflights users on 7/23. 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 8/106:05 am
MDW
- ACK
2 stops7h 36m
Delta
Mon 8/1712:28 pm
ACK
- MDW
2 stops7h 05m
Delta
Deal found 7/23![Delta logo]()
$959
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am
MDW
- ACK
2 stops8h 52m
Delta
Sat 8/2212:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/20![Delta logo]()
$1,007
This Delta deal was found by Cheapflights users on 7/22. 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 8/56:05 am
MDW
- ACK
2 stops7h 36m
Delta
Sat 8/812:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/22![Delta logo]()
$1,089
This Delta deal was found by Cheapflights users on 7/23. 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 9/56:05 am
MDW
- ACK
2 stops8h 52m
Delta
Sun 9/612:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/23![Delta logo]()
$1,169
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:05 am
MDW
- ACK
2 stops7h 36m
Delta
Sun 8/1612:28 pm
ACK
- MDW
2 stops7h 05m
Delta
Deal found 7/19![Delta logo]()
$1,226
Last-minute flights from Chicago to NantucketDiscover last-minute flight deals from Chicago to Nantucket. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Nantucket. Data last updated July 24, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 7/21. 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 8/86:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Fri 8/144:19 pm
ACK
- ORD
1 stop6h 39m
JetBlue
Deal found 7/21![JetBlue logo]()
$326
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:05 am
MDW
- ACK
2 stops8h 52m
Delta
Wed 8/123:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/20![Delta logo]()
$637
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Tue 8/113:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/20![JetBlue logo]()
$266
This Priceline deal was found by Cheapflights users on 7/22. 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.
Thu 8/139:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Tue 8/1812:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 7/22![JetBlue logo]()
$210
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sat 8/224:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/20![JetBlue logo]()
$228
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/158:00 am
ORD
- ACK
1 stop7h 30m
American Airlines
Sat 8/222:04 pm
ACK
- ORD
Nonstop3h 39m
American Airlines
Deal found 7/21![American Airlines logo]()
$306
This Justfly.com deal was found by Cheapflights users on 7/21. 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.
Wed 8/196:30 pm
ORD
- ACK
1 stop19h 54m
JetBlue
Sat 8/224:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/21![JetBlue logo]()
$322
This Delta deal was found by Cheapflights users on 7/21. 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 8/196:05 am
MDW
- ACK
2 stops8h 52m
Delta
Sat 8/2212:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/21![Delta logo]()
$753
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sat 8/224:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/20![JetBlue logo]()
$200
This JetBlue deal was found by Cheapflights users on 7/23. 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 8/209:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Mon 8/243:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/23![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 7/21. 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 8/226:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Wed 8/263:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/21![JetBlue logo]()
$209
This Delta deal was found by Cheapflights users on 7/22. 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 8/246:05 am
MDW
- ACK
2 stops7h 36m
Delta
Tue 8/2512:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/22![Delta logo]()
$557
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 July 24, 2026.
Search for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This JetBlue deal was found by Cheapflights users on 7/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:39 am
ORD
- ACK
1 stop4h 44m
JetBlue
Deal found 7/19![JetBlue logo]()
$100
This JetBlue deal was found by Cheapflights users on 7/22. 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 8/219:40 am
ORD
- ACK
1 stop4h 44m
JetBlue
Deal found 7/22![JetBlue logo]()
$105
This JetBlue deal was found by Cheapflights users on 7/21. 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 8/176:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Deal found 7/21![JetBlue logo]()
$106
This JetBlue deal was found by Cheapflights users on 7/21. 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
ORD
- ACK
1 stop6h 16m
JetBlue
Deal found 7/21![JetBlue logo]()
$109
This JetBlue deal was found by Cheapflights users on 7/23. 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 8/209:35 am
ORD
- ACK
1 stop4h 49m
JetBlue
Deal found 7/23![JetBlue logo]()
$110
This JetBlue deal was found by Cheapflights users on 7/22. 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 10/199:38 am
ORD
- ACK
1 stop6h 16m
JetBlue
Deal found 7/22![JetBlue logo]()
$114
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:45 am
ORD
- ACK
Nonstop2h 49m
American Airlines
Deal found 7/18![American Airlines logo]()
$132
This Priceline deal was found by Cheapflights users on 7/21. 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 8/226:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Deal found 7/21![JetBlue logo]()
$134
This JetBlue deal was found by Cheapflights users on 7/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:38 am
ORD
- ACK
1 stop6h 16m
JetBlue
Deal found 7/20![JetBlue logo]()
$138
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:05 am
MDW
- ACK
2 stops7h 36m
Delta
Deal found 7/19![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:05 am
MDW
- ACK
2 stops7h 36m
Delta
Deal found 7/20![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 7/22. 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 7/296:00 am
MDW
- ACK
2 stops7h 41m
Delta
Deal found 7/22![Delta logo]()
$458
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Priceline) |
One-way from | $100 (JetBlue) |
Popular in | April |
Cheapest in | January |
Average price | $259 |
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 2,558,603 searches. Data last updated July 24, 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 - ACK
ORDACK
Chicago O'Hare Intl
Sat 8/22
6:00 am-3:24 pm
1 stop8h 24m
Nantucket Memorial
Wed 8/26
3:33 pm-7:27 pm
1 stop4h 54m
$209
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Fri 9/4
8:30 pm-11:07 am
1 stop13h 37m
Nantucket Memorial
Sun 9/6
11:17 am-6:04 pm
1 stop7h 47m
$371
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sun 8/16
6:00 am-3:24 pm
1 stop8h 24m
Nantucket Memorial
Thu 8/20
3:33 pm-7:27 pm
1 stop4h 54m
$376
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Thu 8/6
9:35 am-3:24 pm
1 stop4h 49m
Nantucket Memorial
Sun 8/9
12:02 pm-4:18 pm
1 stop5h 16m
$526
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Thu 8/13
6:00 am-2:41 pm
1 stop7h 41m
Nantucket Memorial
Tue 8/18
3:24 pm-11:57 pm
2 stops9h 33m
$534
ChicagoNantucket
MDW - ACK
MDWACK
Chicago Midway
Mon 8/24
6:05 am-2:41 pm
2 stops7h 36m
Nantucket Memorial
Tue 8/25
12:28 pm-10:36 pm
2 stops11h 08m
$557
Quickest round-trip
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sat 8/15
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Sun 8/16
4:45 pm-7:00 pm
Nonstop3h 15m
$574
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Thu 8/20
7:05 am-3:03 pm
1 stop6h 58m
Nantucket Memorial
Sun 8/23
4:45 pm-7:00 pm
Nonstop3h 15m
$583
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sun 8/16
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Thu 8/20
4:15 pm-11:22 pm
1 stop8h 07m
$607
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sun 8/9
6:59 am-3:57 pm
2 stops7h 58m
Nantucket Memorial
Wed 8/12
3:24 pm-11:57 pm
2 stops9h 33m
$637
Showing 1-10 of 39 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 July.
| 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 July 24, 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 July 24, 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.
Boarding
7.5
Entertainment
6.8
Overall
7.1
Crew
7.9
Comfort
7.2
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Boarding
7.5
Entertainment
6.8
Overall
7.1
Crew
7.9
Comfort
7.2
Food
6.4
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.
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.
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Complete your trip
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Search flights from Chicago to Nantucket by cabin class
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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 July 24, 2026.
Chicago and Nantucket flights
Browse other Chicago and Nantucket flight options. Last updated on July 24, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$512 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$319 | Average$438 | FlexibilityNo cancel fee | On-time71% |