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Cheap flights from Chicago to Boston from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Boston departing on 7/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:00 am - 3:19 pm
ORD
-
ACK
8h 19m
1 stop
JetBlue Logo
12:02 pm - 5:34 pm
ACK
-
ORD
6h 32m
1 stop
$158JetBlue
Sat, Jul 11 - Wed, Jul 15
JetBlue Logo
6:00 am - 3:24 pm
ORD
-
ACK
8h 24m
1 stop
JetBlue Logo
12:02 pm - 5:35 pm
ACK
-
ORD
6h 33m
1 stop
$166JetBlue
Mon, Aug 31 - Tue, Sep 1
JetBlue Logo
6:00 am - 3:23 pm
ORD
-
ACK
8h 23m
1 stop
JetBlue Logo
12:02 pm - 4:15 pm
ACK
-
ORD
5h 13m
1 stop
$174JetBlue
Thu, Aug 27 - Mon, Aug 31
JetBlue Logo
6:00 am - 3:19 pm
ORD
-
ACK
8h 19m
1 stop
JetBlue Logo
11:25 am - 7:15 pm
ACK
-
ORD
8h 50m
1 stop
$199JetBlue
Sat, Jul 11 - Wed, Jul 15
JetBlue Logo
6:00 am - 3:23 pm
ORD
-
ACK
8h 23m
1 stop
JetBlue Logo
12:02 pm - 5:20 pm
ACK
-
ORD
6h 18m
1 stop
$202JetBlue
Sat, Aug 29 - Wed, Sep 2
JetBlue Logo
6:00 am - 3:23 pm
ORD
-
ACK
8h 23m
1 stop
JetBlue Logo
4:20 pm - 9:55 pm
ACK
-
ORD
6h 35m
1 stop
$210JetBlue
Thu, Aug 27 - Fri, Sep 4
JetBlue Logo
9:39 am - 3:23 pm
ORD
-
ACK
4h 44m
1 stop
JetBlue Logo
12:02 pm - 4:15 pm
ACK
-
ORD
5h 13m
1 stop
$218JetBlue
Thu, Aug 20 - Mon, Aug 24
JetBlue Logo
9:39 am - 3:23 pm
ORD
-
ACK
4h 44m
1 stop
JetBlue Logo
3:33 pm - 7:25 pm
ACK
-
ORD
4h 52m
1 stop
$220JetBlue
Thu, Aug 20 - Mon, Aug 24
Delta Logo
6:05 am - 2:41 pm
MDW
-
ACK
7h 36m
2 stops
Delta Logo
3:24 pm - 10:36 pm
ACK
-
MDW
8h 12m
2 stops
$293Delta
Wed, Aug 26 - Wed, Sep 2
Delta Logo
6:05 am - 2:41 pm
MDW
-
ACK
7h 36m
2 stops
Delta Logo
3:24 pm - 10:36 pm
ACK
-
MDW
8h 12m
2 stops
$336Delta
Sat, Aug 29 - Wed, Sep 2

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JetBlue flights from Chicago to Nantucket

Our best JetBlue deals on Chicago to Nantucket flight tickets
JetBlue
Jul 11
ORD6:00 amChicago O'Hare Intl
8h 19m
1 stop
ACK3:19 pmNantucket Memorial
Jul 15
ACK12:02 pmNantucket Memorial
6h 32m
1 stop
ORD5:34 pmChicago O'Hare Intl
$158
JetBlue
Aug 31
ORD6:00 amChicago O'Hare Intl
8h 24m
1 stop
ACK3:24 pmNantucket Memorial
Sep 1
ACK12:02 pmNantucket Memorial
6h 33m
1 stop
ORD5:35 pmChicago O'Hare Intl
$166
JetBlue
Aug 27
ORD6:00 amChicago O'Hare Intl
8h 23m
1 stop
ACK3:23 pmNantucket Memorial
Aug 31
ACK12:02 pmNantucket Memorial
5h 13m
1 stop
ORD4:15 pmChicago O'Hare Intl
$174

Delta flights from Chicago to Nantucket

Our best Delta deals on Chicago to Nantucket flight tickets
Delta
Aug 26
ORD5:30 amChicago O'Hare Intl
9h 27m
2 stops
ACK3:57 pmNantucket Memorial
Sep 1
ACK3:24 pmNantucket Memorial
7h 28m
1 stop
ORD9:52 pmChicago O'Hare Intl
$288
Delta
Aug 26
ORD6:00 amChicago O'Hare Intl
7h 41m
1 stop
ACK2:41 pmNantucket Memorial
Aug 31
ACK4:40 pmNantucket Memorial
6h 44m
1 stop
ORD10:24 pmChicago O'Hare Intl
$290
Delta
Aug 26
ORD5:30 amChicago O'Hare Intl
9h 27m
2 stops
ACK3:57 pmNantucket Memorial
Sep 1
ACK3:24 pmNantucket Memorial
9h 33m
2 stops
ORD11:57 pmChicago O'Hare Intl
$293

momondo 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, momondo users made 832,500 searches. Data last updated June 22, 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

Sat 7/11

6:00 am-3:19 pm

1 stop8h 19m

Nantucket Memorial

Wed 7/15

12:02 pm-5:34 pm

1 stop6h 32m

$158

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Mon 8/31

6:00 am-3:24 pm

1 stop8h 24m

Nantucket Memorial

Tue 9/1

12:02 pm-5:35 pm

1 stop6h 33m

$166

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/27

6:00 am-3:23 pm

1 stop8h 23m

Nantucket Memorial

Mon 8/31

12:02 pm-4:15 pm

1 stop5h 13m

$174

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 7/11

6:00 am-3:19 pm

1 stop8h 19m

Nantucket Memorial

Wed 7/15

11:25 am-7:15 pm

1 stop8h 50m

$199

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 8/29

6:00 am-3:23 pm

1 stop8h 23m

Nantucket Memorial

Wed 9/2

12:02 pm-5:20 pm

1 stop6h 18m

$202

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/27

6:00 am-3:23 pm

1 stop8h 23m

Nantucket Memorial

Fri 9/4

4:20 pm-9:55 pm

1 stop6h 35m

$210

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/20

9:39 am-3:23 pm

1 stop4h 44m

Nantucket Memorial

Mon 8/24

12:02 pm-4:15 pm

1 stop5h 13m

$218
Quickest round-trip

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 8/20

9:39 am-3:23 pm

1 stop4h 44m

Nantucket Memorial

Mon 8/24

3:33 pm-7:25 pm

1 stop4h 52m

$220

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Wed 8/26

6:05 am-2:41 pm

2 stops7h 36m

Nantucket Memorial

Wed 9/2

3:24 pm-10:36 pm

2 stops8h 12m

$293

ChicagoNantucket

MDW - ACK

MDWACK

Chicago Midway

Sat 8/29

6:05 am-2:41 pm

2 stops7h 36m

Nantucket Memorial

Wed 9/2

3:24 pm-10:36 pm

2 stops8h 12m

$336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Chicago to Nantucket

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Nantucket?

At noon is the cheapest time of day to fly from Chicago to Nantucket when you can find flight prices for as low as $474. Flying to Nantucket at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $820 on average. Flights to Nantucket from Chicago in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Nantucket Memorial flight route?

Fly from Chicago O'Hare Intl to Nantucket Memorial for the best Chicago - Nantucket Memorial flight prices

What cabin class options are available on Chicago to Nantucket flights?

There is only 1 cabin class available to choose from on Chicago to Nantucket flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Nantucket flights?

No. A direct flight is the cheapest option for a flight between Chicago to Nantucket.

When to book flights from Chicago to Nantucket

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Nantucket according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Nantucket (CHI to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Nantucket

Fastest flight time

2h 50m

Direct flights

Mon and Sun

Airports in Nantucket

1 airport
The fastest flight from Chicago to Nantucket takes 2h 50m
Direct flights go from Chicago to Nantucket on Monday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Nantucket. From Chicago there are direct flights to Nantucket Memorial (ACK).
Search flight deals

Frequently asked questions about flying from Chicago to Nantucket

  • How far is Chicago to Nantucket Memorial by plane?

    Nantucket Memorial is 904.6 mi away from Chicago. 2h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Nantucket Memorial Airport?

    Prices for flights from Chicago to Nantucket Memorial Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Nantucket Memorial Airport?

  • How old do you have to be to fly from Chicago to Nantucket Memorial Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Nantucket Memorial Airport.

  • What documentation or ID do you need to fly to Nantucket Memorial Airport?

    The necessary travel and health documents for your Nantucket Memorial Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Nantucket?

  • What is the most popular airline from Chicago to Nantucket?

Best airlines flying from Chicago to Nantucket

Compare and see reviews for airlines that fly from Chicago to Nantucket with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $162Free CancellationRating
7.1
2,997 reviews
Search JetBlue flights
DeltaPriceFrom $207Free CancellationRating
7.8
8,424 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,741 reviews
Search American Airlines flights

  • American Airlines Flights From Chicago to Nantucket

    American Airlines flight deals from Chicago to Nantucket start from $319 round-trip. Over the 1 American Airlines flight for this route in a normal week, average airfare is usually $439 round-trip - but some users have found much cheaper deals with momondo.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Nantucket?

Finding the right flight to Nantucket from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Nantucket quick and easy, saving you time and money.

Can I find flights from Chicago to Nantucket with flexible booking policies on momondo?

Yes. All flights to Nantucket from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Nantucket?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Nantucket.

I’m not ready to book a flight from Chicago to Nantucket right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Nantucket flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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