$327+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Sep 28 — Oct 51
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
Cheapest
Best
Last-minute
One-way
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 29, 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 29, 2026.
This American Airlines deal was found by Cheapflights users on 8/24. 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 stop7h 26m
Tue 9/111:17 am -
1 stop4h 58m
Deal found 8/24![American Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 8/27. 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 8/299:45 am -
Nonstop2h 49m
Sat 9/52:04 pm -
Nonstop3h 39m
Deal found 8/27![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/24. 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 8/255:30 am -
2 stops9h 27m
Tue 9/14:40 pm -
1 stop6h 44m
Deal found 8/24![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/27. 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 8/296:59 am -
2 stops7h 58m
Sat 9/53:24 pm -
1 stop7h 28m
Deal found 8/27![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/510:53 am -
1 stop4h 37m
Sun 9/611:17 am -
1 stop5h 48m
Deal found 8/24![American Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/28. 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 8/2810:53 am -
1 stop4h 37m
Wed 9/211:17 am -
1 stop7h 47m
Deal found 8/28![American Airlines logo]()
$443
This FlightHub deal was found by Cheapflights users on 8/26. 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.
Sat 10/39:38 am -
1 stop24h 44m
Tue 10/63:30 pm -
1 stop28h 33m
Deal found 8/26![JetBlue logo]()
$516
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/24![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/17:05 am -
1 stop6h 58m
Sat 9/54:45 pm -
Nonstop3h 15m
Deal found 8/24![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 8/27. 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 stops8h 52m
Sun 9/612:28 pm -
2 stops11h 08m
Deal found 8/27![Delta logo]()
$909
This Delta deal was found by Cheapflights users on 8/28. 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 8/296:11 am -
2 stops7h 30m
Wed 9/23:24 pm -
2 stops8h 12m
Deal found 8/28![Delta logo]()
$974
This Delta deal was found by Cheapflights users on 8/24. 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 8/24![Delta logo]()
$1,179
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 29, 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 29, 2026.
This FlightHub deal was found by Cheapflights users on 8/26. 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.
Sat 10/39:38 am -
1 stop24h 44m
Tue 10/63:30 pm -
1 stop28h 33m
Deal found 8/26![JetBlue logo]()
$516
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/1211:59 am -
Nonstop2h 50m
Fri 9/189:50 am -
1 stop15h 38m
Deal found 8/24![United Airlines logo]()
$700
This FlightHub deal was found by Cheapflights users on 8/28. 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.
Sat 10/179:38 am -
1 stop6h 11m
Sat 10/243:10 pm -
1 stop5h 04m
Deal found 8/28![Multiple Airlines logo]()
$825
This FlightHub deal was found by Cheapflights users on 8/24. 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 9/238:24 pm -
1 stop13h 58m
Wed 9/303:10 pm -
1 stop18h 38m
Deal found 8/24![JetBlue logo]()
$585
This FlightHub deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:38 am -
1 stop24h 44m
Mon 10/53:30 pm -
1 stop18h 19m
Deal found 8/27![JetBlue logo]()
$594
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:24 pm -
1 stop15h 52m
Mon 10/53:30 pm -
1 stop18h 19m
Deal found 8/25![JetBlue logo]()
$634
This Expedia deal was found by Cheapflights users on 8/24. 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.
Wed 10/78:24 pm -
1 stop11h 51m
Wed 10/1411:00 am -
1 stop9h 14m
Deal found 8/24![Multiple Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/189:29 pm -
2 stops16h 34m
Tue 9/223:39 pm -
1 stop7h 36m
Deal found 8/26![United Airlines logo]()
$847
This Expedia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:24 pm -
2 stops13h 11m
Sat 10/311:25 am -
1 stop11h 43m
Deal found 8/28![JetBlue logo]()
$654
This FlightHub deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 pm -
1 stop16h 19m
Mon 10/123:28 pm -
1 stop18h 19m
Deal found 8/27![JetBlue logo]()
$678
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:24 pm -
1 stop15h 52m
Mon 9/283:10 pm -
1 stop18h 38m
Deal found 8/25![JetBlue logo]()
$699
Last-minute flights from Chicago to NantucketDiscover last-minute flight deals from Chicago to Nantucket. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Nantucket. Data last updated August 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/28. 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 8/2810:53 am -
1 stop4h 37m
Wed 9/211:17 am -
1 stop7h 47m
Deal found 8/28![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/27. 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 8/299:45 am -
Nonstop2h 49m
Sat 9/52:04 pm -
Nonstop3h 39m
Deal found 8/27![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/27. 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 8/296:59 am -
2 stops7h 58m
Sat 9/53:24 pm -
1 stop7h 28m
Deal found 8/27![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 8/28. 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 8/296:11 am -
2 stops7h 30m
Wed 9/23:24 pm -
2 stops8h 12m
Deal found 8/28![Delta logo]()
$974
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/17:05 am -
1 stop6h 58m
Sat 9/54:45 pm -
Nonstop3h 15m
Deal found 8/24![United Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/46:45 am -
1 stop7h 26m
Sun 9/63:41 pm -
1 stop8h 19m
Deal found 8/26![American Airlines logo]()
$532
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/46:45 am -
1 stop7h 26m
Tue 9/85:00 pm -
1 stop7h 37m
Deal found 8/26![American Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 8/27. 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 stops8h 52m
Sun 9/612:28 pm -
2 stops11h 08m
Deal found 8/27![Delta logo]()
$909
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/510:53 am -
1 stop4h 37m
Sun 9/611:17 am -
1 stop5h 48m
Deal found 8/24![American Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/24![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 8/24. 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 8/24![Delta logo]()
$1,179
This Justfly.com deal was found by Cheapflights users on 8/26. 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 9/258:24 pm -
1 stop15h 52m
Fri 10/210:58 am -
1 stop24h 00m
Deal found 8/26![JetBlue logo]()
$545
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 29, 2026.
Search for one-way flight options from Chicago to Nantucket. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/215:00 am -
1 stop9h 03m
Deal found 8/24![United Airlines logo]()
$327
This Expedia deal was found by Cheapflights users on 8/24. 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 9/158:24 pm -
2 stops13h 00m
Deal found 8/24![JetBlue logo]()
$350
This Expedia deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:24 pm -
2 stops19h 45m
Deal found 8/25![JetBlue logo]()
$381
This Expedia deal was found by Cheapflights users on 8/25. 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.
Fri 9/258:24 pm -
2 stops13h 00m
Deal found 8/25![JetBlue logo]()
$383
This United deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:24 pm -
2 stops17h 31m
Deal found 8/27![Multiple Airlines logo]()
$384
This United deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:29 am -
2 stops7h 26m
Deal found 8/28![Multiple Airlines logo]()
$387
This United deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:30 am -
2 stops7h 25m
Deal found 8/27![Multiple Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/229:35 pm -
1 stop10h 37m
Deal found 8/25![United Airlines logo]()
$447
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $516 (FlightHub) |
One-way from | $327 (United Airlines) |
Popular in | August |
Cheapest in | January |
Average price | $283 |
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 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from Chicago to Nantucket that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 10/3
9:38 am-11:22 am
1 stop24h 44m
Nantucket Memorial
Tue 10/6
3:30 pm-7:03 pm
1 stop28h 33m
$516
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 9/23
8:24 pm-11:22 am
1 stop13h 58m
Nantucket Memorial
Wed 9/30
3:10 pm-8:48 am
1 stop18h 38m
$585
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 9/30
9:38 am-11:22 am
1 stop24h 44m
Nantucket Memorial
Mon 10/5
3:30 pm-8:49 am
1 stop18h 19m
$594
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 10/2
8:24 pm-1:16 pm
1 stop15h 52m
Nantucket Memorial
Mon 10/5
3:30 pm-8:49 am
1 stop18h 19m
$634
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 9/26
8:24 pm-10:35 am
2 stops13h 11m
Nantucket Memorial
Sat 10/3
11:25 am-10:08 pm
1 stop11h 43m
$654
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 10/9
8:00 pm-1:19 pm
1 stop16h 19m
Nantucket Memorial
Mon 10/12
3:28 pm-8:47 am
1 stop18h 19m
$678
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Fri 9/25
8:24 pm-1:16 pm
1 stop15h 52m
Nantucket Memorial
Mon 9/28
3:10 pm-8:48 am
1 stop18h 38m
$699
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 9/12
11:59 am-3:49 pm
Nonstop2h 50m
Nantucket Memorial
Fri 9/18
9:50 am-12:28 am
1 stop15h 38m
$700
Quickest round-trip
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Sat 10/17
9:38 am-4:49 pm
1 stop6h 11m
Nantucket Memorial
Sat 10/24
3:10 pm-7:14 pm
1 stop5h 04m
$825
ChicagoNantucket
ORD Chicago O'Hare Intl - ACK Nantucket Memorial
ORDACK
Chicago O'Hare Intl
Wed 10/7
8:24 pm-9:15 am
1 stop11h 51m
Nantucket Memorial
Wed 10/14
11:00 am-7:14 pm
1 stop9h 14m
$828
Showing 1-10 of 21 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 29, 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 29, 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.
Overall
7.1
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Overall
7.1
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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| 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$346 | Average$439 | FlexibilityNo cancel fee | On-time71% |