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Nantucket

$111+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ACK
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Chicago to Nantucket

Cheapest flights from Chicago to Nantucket
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 2, 2026.

This Priceline deal was found by Cheapflights users on 7/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Tue 8/2512:02 pm
ACK
-
ORD
1 stop6h 33m
JetBlue
Deal found 7/28$220
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
ORD
-
ACK
1 stop8h 24m
JetBlue
Fri 8/284:22 pm
ACK
-
ORD
1 stop6h 36m
JetBlue
Deal found 7/28$248
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Thu 8/209:35 am
ORD
-
ACK
1 stop4h 49m
JetBlue
Mon 8/2412:02 pm
ACK
-
ORD
1 stop5h 15m
JetBlue
Deal found 7/29$250
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/59:45 am
ORD
-
ACK
Nonstop2h 49m
American Airlines
Sun 9/610:35 am
ACK
-
ORD
1 stop7h 39m
American Airlines
Deal found 7/30$282
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:59 am
ORD
-
ACK
Nonstop2h 50m
United Airlines
Sat 9/54:45 pm
ACK
-
ORD
Nonstop3h 15m
United Airlines
Deal found 7/30$289
This Priceline deal was found by Cheapflights users on 7/31. 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 8/229:40 am
ORD
-
ACK
1 stop4h 44m
JetBlue
Mon 8/243:33 pm
ACK
-
ORD
1 stop4h 54m
JetBlue
Deal found 7/31$300
This Delta deal was found by Cheapflights users on 7/31. 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 8/226:11 am
MDW
-
ACK
2 stops8h 46m
Delta
Wed 8/263:24 pm
ACK
-
MDW
2 stops8h 12m
Delta
Deal found 7/31$677
This Delta deal was found by Cheapflights users on 7/31. 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
Tue 8/1812:28 pm
ACK
-
MDW
2 stops11h 08m
Delta
Deal found 7/31$789
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 7/316:00 am
MDW
-
ACK
2 stops8h 48m
Delta
Thu 8/63:24 pm
ACK
-
MDW
2 stops8h 12m
Delta
Deal found 7/29$924
This Delta deal was found by Cheapflights users on 7/29. 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.
Thu 8/206:05 am
MDW
-
ACK
2 stops8h 52m
Delta
Mon 8/243:24 pm
ACK
-
MDW
2 stops8h 12m
Delta
Deal found 7/29$939
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 8/16:00 am
MDW
-
ACK
2 stops8h 48m
Delta
Thu 8/63:24 pm
ACK
-
MDW
2 stops8h 12m
Delta
Deal found 7/29$1,004
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/296:11 am
MDW
-
ACK
2 stops8h 46m
Delta
Sat 9/512:28 pm
ACK
-
MDW
2 stops11h 08m
Delta
Deal found 7/30$1,007

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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Priceline)

One-way from

$111
(JetBlue)

Popular in

April

Cheapest in

January

Average price

$264

Good round-trip deal

$348 or less

Good one-way deal

$323 or less
Provider with most accurate pricing for Chicago (CHI)-Nantucket Memorial flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Nantucket Memorial flights.
Search Deals
From Chicago (CHI) to Nantucket Memorial
Search Deals
One-way flight from Chicago (CHI) to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Nantucket Memorial.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Nantucket Memorial.
Search Deals

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 2, 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

Price

Cheapest round-trip

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 8/21

6:00 am-3:24 pm

1 stop8h 24m

Nantucket Memorial

Fri 8/28

4:22 pm-9:58 pm

1 stop6h 36m

$248

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/22

9:40 am-3:24 pm

1 stop4h 44m

Nantucket Memorial

Wed 8/26

12:02 pm-5:35 pm

1 stop6h 33m

$371

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/15

6:00 am-2:41 pm

1 stop7h 41m

Nantucket Memorial

Wed 8/19

3:24 pm-11:57 pm

2 stops9h 33m

$384

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/20

6:00 am-3:24 pm

1 stop8h 24m

Nantucket Memorial

Sun 8/23

3:33 pm-7:27 pm

1 stop4h 54m

$385

ChicagoNantucket

ORD - ACK

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

$520
Quickest round-trip

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/22

11:59 am-3:49 pm

Nonstop2h 50m

Nantucket Memorial

Wed 8/26

9:50 am-4:34 pm

1 stop7h 44m

$537

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/27

7:45 pm-3:03 pm

2 stops18h 18m

Nantucket Memorial

Thu 9/3

9:50 am-8:35 pm

2 stops11h 45m

$703

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Fri 8/14

6:05 am-2:41 pm

2 stops7h 36m

Nantucket Memorial

Tue 8/18

12:28 pm-10:36 pm

2 stops11h 08m

$789

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Thu 8/20

6:05 am-3:57 pm

2 stops8h 52m

Nantucket Memorial

Mon 8/24

3:24 pm-10:36 pm

2 stops8h 12m

$939

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Sat 8/29

6:11 am-3:57 pm

2 stops8h 46m

Nantucket Memorial

Sat 9/5

12:28 pm-10:36 pm

2 stops11h 08m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 31 resultsSorted by cheapest first
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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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 2, 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 2, 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.
American Airlines
7.1
Good
11,845 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Entertainment

6.8

Crew

7.9

Overall

7.1

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
American Airlines
7.1
Good
11,845 reviews
American Airlines
7.1
Good
11,845 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Entertainment

6.8

Crew

7.9

Overall

7.1

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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.

  • What airport do you fly into for flights to Nantucket from Chicago?

    Nantucket Memorial (ACK), located 2.8 mi from the city center, is the airport you fly into when you book flights from Chicago to Nantucket. 3 airlines have flights to Memorial from Chicago on a regular basis. Booking flights from Chicago to Nantucket Memorial should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Nantucket?

    A quick flight from Chicago to Nantucket can take about 7h 41m. JetBlue provides one of the quickest options available for as low as $384. Airlines will cover a distance of 921 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago to Nantucket round-trip?

    JetBlue, at $162, was found to be the cheapest airline from Chicago to Nantucket.Alternate airlines to your destination round-trip include Delta and American Airlines.

  • What are the most reliable airlines from Chicago to Nantucket?

    Consider American Airlines (100%), Republic Airways (100%) or SkyWest Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Nantucket.

  • What are the cheapest flights from Chicago to Nantucket?

    While on average a flight from Chicago to Nantucket is generally $414, our data shows the cheapest flight currently is $173. When looking at the most popular route, (Chicago O'Hare Intl - Nantucket Memorial), you can expect to pay $300 for that flight.

  • Can I find deals for flights from Chicago to Nantucket that include hotel bookings?

    Yes. In addition to deals on Chicago to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Nantucket?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Nantucket.

  • Can I find deals for business class flights from Chicago to Nantucket?

    Yes. Cheapflights offers flight deals from Chicago to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$162Average$512FlexibilityNo cancel feeOn-time62%
DeltaCheapest$207Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$438FlexibilityNo cancel feeOn-time71%

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