$95+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Aug 3 — Aug 101
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
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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 4, 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 4, 2026.
This JetBlue deal was found by Cheapflights users on 6/30. 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 24m
JetBlue
Wed 9/212:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 6/30![JetBlue logo]()
$166
This Priceline deal was found by Cheapflights users on 7/1. 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 8/159:40 am
ORD
- ACK
1 stop4h 44m
JetBlue
Wed 8/1912:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 7/1![JetBlue logo]()
$190
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:42 am
ORD
- ACK
1 stop4h 42m
JetBlue
Fri 8/214:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 6/30![JetBlue logo]()
$226
This Priceline deal was found by Cheapflights users on 7/1. 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 8/276:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sun 8/303:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/1![JetBlue logo]()
$228
This JetBlue deal was found by Cheapflights users on 7/1. 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
Mon 8/243:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/1![JetBlue logo]()
$256
This JetBlue deal was found by Cheapflights users on 7/3. 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 7/259:41 am
ORD
- ACK
1 stop4h 38m
JetBlue
Tue 7/2811:25 am
ACK
- ORD
1 stop8h 50m
JetBlue
Deal found 7/3![JetBlue logo]()
$262
This JetBlue deal was found by Cheapflights users on 7/3. 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 8/146:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Mon 8/173:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/3![JetBlue logo]()
$291
This JetBlue deal was found by Cheapflights users on 7/3. 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 7/319:42 am
ORD
- ACK
1 stop4h 37m
JetBlue
Wed 8/512:02 pm
ACK
- ORD
1 stop6h 32m
JetBlue
Deal found 7/3![JetBlue logo]()
$297
This JetBlue deal was found by Cheapflights users on 7/2. 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 7/179:42 am
ORD
- ACK
1 stop4h 37m
JetBlue
Tue 7/2112:02 pm
ACK
- ORD
1 stop6h 32m
JetBlue
Deal found 7/2![JetBlue logo]()
$316
This Orbitz deal was found by Cheapflights users on 7/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:41 am
ORD
- ACK
1 stop4h 43m
JetBlue
Wed 9/910:50 am
ACK
- ORD
2 stops9h 32m
JetBlue
Deal found 7/4![JetBlue logo]()
$318
This Delta deal was found by Cheapflights users on 6/30. 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 8/316:05 am
MDW
- ACK
2 stops8h 52m
Delta
Wed 9/23:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 6/30![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 7/3. 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 8/156:11 am
MDW
- ACK
2 stops8h 46m
Delta
Wed 8/193:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/3![Delta logo]()
$726
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 4, 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 4, 2026.
This JetBlue deal was found by Cheapflights users on 7/3. 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 8/146:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Mon 8/173:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/3![JetBlue logo]()
$291
This United Airlines deal was found by Cheapflights users on 7/4. 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 8/2311:59 am
ORD
- ACK
Nonstop2h 50m
United Airlines
Sun 8/304:45 pm
ACK
- ORD
Nonstop3h 15m
United Airlines
Deal found 7/4![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 7/3. 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 8/155:30 am
ORD
- ACK
2 stops9h 27m
Delta
Wed 8/193:24 pm
ACK
- ORD
1 stop7h 28m
Delta
Deal found 7/3![Delta logo]()
$581
This JetBlue deal was found by Cheapflights users on 6/29. 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 7/246:00 am
ORD
- ACK
1 stop8h 19m
JetBlue
Sun 7/263:32 pm
ACK
- ORD
1 stop4h 43m
JetBlue
Deal found 6/29![JetBlue logo]()
$398
This JetBlue deal was found by Cheapflights users on 7/1. 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 8/16:00 am
ORD
- ACK
1 stop8h 19m
JetBlue
Sat 8/84:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 7/1![JetBlue logo]()
$506
This Delta deal was found by Cheapflights users on 7/1. 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 7/145:30 am
ORD
- ACK
2 stops8h 11m
Delta
Sat 7/183:24 pm
ACK
- ORD
1 stop7h 28m
Delta
Deal found 7/1![Delta logo]()
$619
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/47:45 pm
ORD
- ACK
1 stop18h 18m
United Airlines
Sun 9/64:45 pm
ACK
- ORD
Nonstop3h 15m
United Airlines
Deal found 7/3![United Airlines logo]()
$660
This Delta deal was found by Cheapflights users on 7/3. 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 8/156:11 am
MDW
- ACK
2 stops8h 46m
Delta
Wed 8/193:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/3![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 7/3. 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 7/256:30 am
ORD
- ACK
2 stops8h 18m
Delta
Tue 7/283:24 pm
ACK
- ORD
2 stops9h 29m
Delta
Deal found 7/3![Delta logo]()
$749
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Fri 9/116:10 pm
ORD
- ACK
1 stop14h 34m
United Airlines
Sun 9/134:45 pm
ACK
- ORD
Nonstop3h 15m
United Airlines
Deal found 7/4![United Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 7/2. 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 7/146:00 am
MDW
- ACK
2 stops7h 41m
Delta
Sat 7/1812:13 pm
ACK
- MDW
2 stops11h 02m
Delta
Deal found 7/2![Delta logo]()
$759
This Delta deal was found by Cheapflights users on 7/3. 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 7/167:05 am
ORD
- ACK
2 stops7h 43m
Delta
Mon 7/2012:13 pm
ACK
- ORD
2 stops12h 40m
Delta
Deal found 7/3![Delta logo]()
$779
This Delta deal was found by Cheapflights users on 6/30. 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
Fri 8/213:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 6/30![Delta logo]()
$849
This Delta deal was found by Cheapflights users on 7/2. 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 9/15:30 am
ORD
- ACK
2 stops8h 11m
Delta
Sun 9/612:28 pm
ACK
- ORD
2 stops9h 02m
Delta
Deal found 7/2![Delta logo]()
$947
This Delta deal was found by Cheapflights users on 6/29. 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 7/206:00 am
MDW
- ACK
2 stops7h 41m
Delta
Thu 7/2312:13 pm
ACK
- MDW
2 stops11h 02m
Delta
Deal found 6/29![Delta logo]()
$952
This Delta deal was found by Cheapflights users on 6/29. 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 8/36:05 am
MDW
- ACK
2 stops8h 52m
Delta
Thu 8/612:28 pm
ACK
- MDW
2 stops7h 05m
Delta
Deal found 6/29![Delta logo]()
$1,099
This Delta deal was found by Cheapflights users on 6/30. 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 7/316:00 am
MDW
- ACK
2 stops7h 41m
Delta
Mon 8/312:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 6/30![Delta logo]()
$1,183
This Delta deal was found by Cheapflights users on 7/3. 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
Mon 8/1712:28 pm
ACK
- MDW
2 stops11h 08m
Delta
Deal found 7/3![Delta logo]()
$1,239
Last-minute flights from Chicago to NantucketDiscover last-minute flight deals from Chicago to Nantucket. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Nantucket. Data last updated July 4, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 7/2. 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 7/179:42 am
ORD
- ACK
1 stop4h 37m
JetBlue
Tue 7/2112:02 pm
ACK
- ORD
1 stop6h 32m
JetBlue
Deal found 7/2![JetBlue logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/3. 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 7/259:41 am
ORD
- ACK
1 stop4h 38m
JetBlue
Tue 7/2811:25 am
ACK
- ORD
1 stop8h 50m
JetBlue
Deal found 7/3![JetBlue logo]()
$262
This JetBlue deal was found by Cheapflights users on 6/30. 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 7/306:00 am
ORD
- ACK
1 stop8h 19m
JetBlue
Thu 8/63:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 6/30![JetBlue logo]()
$322
This JetBlue deal was found by Cheapflights users on 7/3. 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 7/319:42 am
ORD
- ACK
1 stop4h 37m
JetBlue
Wed 8/512:02 pm
ACK
- ORD
1 stop6h 32m
JetBlue
Deal found 7/3![JetBlue logo]()
$297
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:42 am
ORD
- ACK
1 stop4h 42m
JetBlue
Fri 8/214:22 pm
ACK
- ORD
1 stop6h 36m
JetBlue
Deal found 6/30![JetBlue logo]()
$226
This JetBlue deal was found by Cheapflights users on 7/3. 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 8/146:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Mon 8/173:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/3![JetBlue logo]()
$291
This Priceline deal was found by Cheapflights users on 7/1. 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 8/159:40 am
ORD
- ACK
1 stop4h 44m
JetBlue
Wed 8/1912:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 7/1![JetBlue logo]()
$190
This Delta deal was found by Cheapflights users on 7/3. 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 8/156:11 am
MDW
- ACK
2 stops8h 46m
Delta
Wed 8/193:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 7/3![Delta logo]()
$726
This JetBlue deal was found by Cheapflights users on 7/1. 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
Mon 8/243:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/1![JetBlue logo]()
$256
This Priceline deal was found by Cheapflights users on 7/1. 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 8/276:00 am
ORD
- ACK
1 stop8h 24m
JetBlue
Sun 8/303:33 pm
ACK
- ORD
1 stop4h 54m
JetBlue
Deal found 7/1![JetBlue logo]()
$228
This JetBlue deal was found by Cheapflights users on 6/30. 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 24m
JetBlue
Wed 9/212:02 pm
ACK
- ORD
1 stop6h 33m
JetBlue
Deal found 6/30![JetBlue logo]()
$166
This Delta deal was found by Cheapflights users on 6/30. 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 8/316:05 am
MDW
- ACK
2 stops8h 52m
Delta
Wed 9/23:24 pm
ACK
- MDW
2 stops8h 12m
Delta
Deal found 6/30![Delta logo]()
$547
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 4, 2026.
Search for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This JetBlue deal was found by Cheapflights users on 7/1. 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 8/289:42 am
ORD
- ACK
1 stop4h 42m
JetBlue
Deal found 7/1![JetBlue logo]()
$95
This JetBlue deal was found by Cheapflights users on 7/3. 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 9/86:00 am
ORD
- ACK
1 stop8h 23m
JetBlue
Deal found 7/3![JetBlue logo]()
$101
This JetBlue deal was found by Cheapflights users on 7/1. 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 8/279:40 am
ORD
- ACK
1 stop4h 44m
JetBlue
Deal found 7/1![JetBlue logo]()
$123
This JetBlue deal was found by Cheapflights users on 7/4. 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 8/149:42 am
ORD
- ACK
1 stop4h 42m
JetBlue
Deal found 7/4![JetBlue logo]()
$158
This Priceline deal was found by Cheapflights users on 7/1. 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 7/166:00 am
ORD
- ACK
1 stop8h 19m
JetBlue
Deal found 7/1![JetBlue logo]()
$164
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/285:55 pm
ORD
- ACK
1 stop15h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 7/2. 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 7/286:00 am
ORD
- ACK
1 stop8h 48m
Delta
Deal found 7/2![Delta logo]()
$189
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/17:16 pm
ORD
- ACK
1 stop13h 58m
American Airlines
Deal found 7/3![American Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 7/3. 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 8/46:00 am
ORD
- ACK
1 stop8h 57m
Delta
Deal found 7/3![Delta logo]()
$197
This JetBlue deal was found by Cheapflights users on 7/2. 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 7/279:40 am
ORD
- ACK
1 stop4h 39m
JetBlue
Deal found 7/2![JetBlue logo]()
$202
This Delta deal was found by Cheapflights users on 7/1. 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 9/13:25 pm
ORD
- ACK
2 stops19h 23m
Delta
Deal found 7/1![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 7/1. 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
Deal found 7/1![Delta logo]()
$274
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (JetBlue) |
One-way from | $93 (JetBlue) |
Popular in | April |
Cheapest in | January |
Average price | $243 |
Good one-way deal | $509 or less |
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 4, 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
Fri 8/14
6:00 am-3:24 pm
1 stop8h 24m
Nantucket Memorial
Mon 8/17
3:33 pm-7:27 pm
1 stop4h 54m
$291
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Fri 7/24
6:00 am-3:19 pm
1 stop8h 19m
Nantucket Memorial
Sun 7/26
3:32 pm-7:15 pm
1 stop4h 43m
$398
Quickest round-trip
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sun 8/23
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Sun 8/30
4:45 pm-7:00 pm
Nonstop3h 15m
$432
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sat 8/1
6:00 am-3:19 pm
1 stop8h 19m
Nantucket Memorial
Sat 8/8
4:22 pm-9:58 pm
1 stop6h 36m
$506
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sat 8/15
5:30 am-3:57 pm
2 stops9h 27m
Nantucket Memorial
Wed 8/19
3:24 pm-9:52 pm
1 stop7h 28m
$581
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Tue 7/14
5:30 am-2:41 pm
2 stops8h 11m
Nantucket Memorial
Sat 7/18
3:24 pm-9:52 pm
1 stop7h 28m
$619
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Fri 9/4
7:45 pm-3:03 pm
1 stop18h 18m
Nantucket Memorial
Sun 9/6
4:45 pm-7:00 pm
Nonstop3h 15m
$660
ChicagoNantucket
MDW - ACK
MDWACK
Chicago Midway
Sat 8/15
6:11 am-3:57 pm
2 stops8h 46m
Nantucket Memorial
Wed 8/19
3:24 pm-10:36 pm
2 stops8h 12m
$726
ChicagoNantucket
ORD - ACK
ORDACK
Chicago O'Hare Intl
Sat 7/25
6:30 am-3:48 pm
2 stops8h 18m
Nantucket Memorial
Tue 7/28
3:24 pm-11:53 pm
2 stops9h 29m
$749
ChicagoNantucket
MDW - ACK
MDWACK
Chicago Midway
Tue 7/14
6:00 am-2:41 pm
2 stops7h 41m
Nantucket Memorial
Sat 7/18
12:13 pm-10:15 pm
2 stops11h 02m
$759
Showing 1-10 of 33 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 4, 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 4, 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.
Crew
7.9
Comfort
7.2
Overall
7.1
Boarding
7.5
Entertainment
6.8
Food
6.4
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Crew
7.9
Comfort
7.2
Overall
7.1
Boarding
7.5
Entertainment
6.8
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.
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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 4, 2026.
Chicago and Nantucket flights
Browse other Chicago and Nantucket flight options. Last updated on July 4, 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 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$393 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$319 | Average$438 | FlexibilityNo cancel fee | On-time71% |