$138+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Sep 14 — Sep 211
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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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 August 15, 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 August 15, 2026.
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:05 am -
1 stop6h 58m
Sat 9/54:45 pm -
Nonstop3h 15m
Deal found 8/12![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:00 am -
1 stop4h 48m
Sat 9/53:24 pm -
1 stop7h 28m
Deal found 8/13![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/27:00 am -
1 stop5h 33m
Sat 9/52:04 pm -
Nonstop3h 39m
Deal found 8/13![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am -
1 stop7h 41m
Tue 9/13:24 pm -
1 stop7h 28m
Deal found 8/11![Delta logo]()
$353
This JetBlue deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:40 am -
1 stop4h 44m
Wed 9/212:02 pm -
1 stop6h 33m
Deal found 8/12![JetBlue logo]()
$383
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/511:59 am -
Nonstop2h 50m
Sun 9/64:45 pm -
Nonstop3h 15m
Deal found 8/14![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:59 am -
Nonstop2h 50m
Wed 9/24:15 pm -
1 stop5h 45m
Deal found 8/11![United Airlines logo]()
$403
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:20 pm -
1 stop13h 02m
Tue 9/112:02 pm -
1 stop6h 33m
Deal found 8/10![JetBlue logo]()
$404
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:49 pm -
1 stop19h 33m
Sat 9/122:31 pm -
1 stop5h 30m
Deal found 8/10![JetBlue logo]()
$410
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:45 am -
Nonstop2h 49m
Mon 8/172:03 pm -
1 stop8h 27m
Deal found 8/11![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 am -
2 stops8h 52m
Tue 9/13:24 pm -
2 stops8h 12m
Deal found 8/10![Delta logo]()
$679
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:05 am -
2 stops8h 52m
Sat 9/512:28 pm -
2 stops11h 08m
Deal found 8/13![Delta logo]()
$699
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 August 15, 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 August 15, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:59 am -
Nonstop2h 50m
Wed 9/24:15 pm -
1 stop5h 45m
Deal found 8/11![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:58 pm -
1 stop11h 23m
Tue 9/83:41 pm -
1 stop7h 49m
Deal found 8/10![American Airlines logo]()
$485
This FlightHub deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:59 am -
2 stops23h 23m
Mon 10/53:30 pm -
2 stops19h 29m
Deal found 8/10![JetBlue logo]()
$673
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 am -
2 stops8h 52m
Tue 9/13:24 pm -
2 stops8h 12m
Deal found 8/10![Delta logo]()
$679
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/27:05 am -
1 stop6h 58m
Sat 9/54:45 pm -
Nonstop3h 15m
Deal found 8/13![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/49:35 pm -
1 stop16h 28m
Sun 9/64:45 pm -
Nonstop3h 15m
Deal found 8/13![United Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:05 am -
2 stops8h 52m
Sat 9/512:28 pm -
2 stops11h 08m
Deal found 8/13![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:59 am -
Nonstop2h 50m
Sat 9/123:39 pm -
1 stop6h 21m
Deal found 8/10![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/157:05 am -
1 stop25h 07m
Sat 9/194:45 pm -
Nonstop3h 15m
Deal found 8/13![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 8/14. 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 8/286:05 am -
2 stops7h 36m
Mon 8/313:24 pm -
2 stops8h 12m
Deal found 8/14![Delta logo]()
$939
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am -
2 stops8h 52m
Sun 8/2312:28 pm -
2 stops11h 08m
Deal found 8/11![Delta logo]()
$1,129
This Delta deal was found by Cheapflights users on 8/14. 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 -
2 stops7h 36m
Sun 9/612:28 pm -
2 stops11h 08m
Deal found 8/14![Delta logo]()
$1,239
This Delta deal was found by Cheapflights users on 8/13. 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 9/46:05 am -
2 stops7h 36m
Sun 9/612:28 pm -
2 stops11h 08m
Deal found 8/13![Delta logo]()
$1,359
Last-minute flights from Chicago to NantucketDiscover last-minute flight deals from Chicago to Nantucket. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Nantucket. Data last updated August 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:45 am -
1 stop5h 48m
Sat 8/292:04 pm -
Nonstop3h 39m
Deal found 8/10![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:05 am -
2 stops7h 36m
Mon 8/313:24 pm -
2 stops8h 12m
Deal found 8/12![Delta logo]()
$939
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am -
1 stop7h 41m
Tue 9/13:24 pm -
1 stop7h 28m
Deal found 8/11![Delta logo]()
$353
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:20 pm -
1 stop13h 02m
Tue 9/112:02 pm -
1 stop6h 33m
Deal found 8/10![JetBlue logo]()
$404
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 am -
2 stops8h 52m
Tue 9/13:24 pm -
2 stops8h 12m
Deal found 8/10![Delta logo]()
$679
This JetBlue deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:40 am -
1 stop4h 44m
Wed 9/212:02 pm -
1 stop6h 33m
Deal found 8/12![JetBlue logo]()
$383
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:59 am -
Nonstop2h 50m
Wed 9/24:15 pm -
1 stop5h 45m
Deal found 8/11![United Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:05 am -
1 stop6h 58m
Sat 9/54:45 pm -
Nonstop3h 15m
Deal found 8/12![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:00 am -
1 stop4h 48m
Sat 9/53:24 pm -
1 stop7h 28m
Deal found 8/13![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:05 am -
2 stops8h 52m
Sat 9/512:28 pm -
2 stops11h 08m
Deal found 8/13![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/511:59 am -
Nonstop2h 50m
Sun 9/64:45 pm -
Nonstop3h 15m
Deal found 8/14![United Airlines logo]()
$394
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:49 pm -
1 stop19h 33m
Sat 9/122:31 pm -
1 stop5h 30m
Deal found 8/10![JetBlue logo]()
$410
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 August 15, 2026.
Search for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This JetBlue deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:38 am -
1 stop6h 16m
Deal found 8/14![JetBlue logo]()
$138
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/56:00 am -
1 stop9h 30m
Deal found 8/13![American Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:25 pm -
1 stop16h 08m
Deal found 8/11![American Airlines logo]()
$208
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:03 am -
1 stop8h 27m
Deal found 8/11![American Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 pm -
1 stop13h 17m
Deal found 8/12![American Airlines logo]()
$216
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:20 pm -
2 stops13h 52m
Deal found 8/11![JetBlue logo]()
$220
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/45:55 pm -
1 stop14h 26m
Deal found 8/13![American Airlines logo]()
$236
This JetBlue deal was found by Cheapflights users on 8/13. 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 10/159:38 am -
1 stop6h 16m
Deal found 8/13![JetBlue logo]()
$253
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:24 pm -
2 stops13h 59m
Deal found 8/10![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 8/308:30 pm -
1 stop13h 17m
Deal found 8/13![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/511:59 am -
Nonstop2h 50m
Deal found 8/13![United Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 8/14. 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.
Sun 9/138:24 pm -
2 stops13h 00m
Deal found 8/14![JetBlue logo]()
$265
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (United Airlines) |
One-way from | $138 (JetBlue) |
Popular in | July |
Cheapest in | January |
Average price | $268 |
Good one-way deal | $323 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 August 15, 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
Quickest round-trip
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 8/29
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Wed 9/2
4:15 pm-9:00 pm
1 stop5h 45m
$403
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 9/2
7:05 am-3:03 pm
1 stop6h 58m
Nantucket Memorial
Sat 9/5
4:45 pm-7:00 pm
Nonstop3h 15m
$453
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 9/4
8:58 pm-9:21 am
1 stop11h 23m
Nantucket Memorial
Tue 9/8
3:41 pm-10:30 pm
1 stop7h 49m
$485
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 9/4
9:35 pm-3:03 pm
1 stop16h 28m
Nantucket Memorial
Sun 9/6
4:45 pm-7:00 pm
Nonstop3h 15m
$570
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 9/5
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Sat 9/12
3:39 pm-9:00 pm
1 stop6h 21m
$618
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 9/30
10:59 am-11:22 am
2 stops23h 23m
Nantucket Memorial
Mon 10/5
3:30 pm-9:59 am
2 stops19h 29m
$673
ChicagoNantucket
MDW Chicago Midway - ACK Nantucket Memorial
MDWACK
Chicago Midway
Fri 8/28
6:05 am-3:57 pm
2 stops8h 52m
Nantucket Memorial
Tue 9/1
3:24 pm-10:36 pm
2 stops8h 12m
$679
ChicagoNantucket
MDW Chicago Midway - ACK Nantucket Memorial
MDWACK
Chicago Midway
Wed 9/2
6:05 am-3:57 pm
2 stops8h 52m
Nantucket Memorial
Sat 9/5
12:28 pm-10:36 pm
2 stops11h 08m
$699
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Tue 9/15
7:05 am-9:12 am
1 stop25h 07m
Nantucket Memorial
Sat 9/19
4:45 pm-7:00 pm
Nonstop3h 15m
$725
ChicagoNantucket
MDW Chicago Midway - ACK Nantucket Memorial
MDWACK
Chicago Midway
Fri 8/28
6:05 am-2:41 pm
2 stops7h 36m
Nantucket Memorial
Mon 8/31
3:24 pm-10:36 pm
2 stops8h 12m
$939
Showing 1-10 of 28 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 August.
| 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 August 15, 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 August 15, 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
Entertainment
6.8
Food
6.4
Overall
7.1
Boarding
7.5
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Crew
7.9
Comfort
7.2
Entertainment
6.8
Food
6.4
Overall
7.1
Boarding
7.5
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 August 15, 2026.
Chicago and Nantucket flights
Browse other Chicago and Nantucket flight options. Last updated on August 15, 2026.
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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 2,558,603 searches. Data last updated August 15, 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% |