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Cheap flights from Chicago to Boston from $96

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 9/23. 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
0 bags

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Cheap round-trip flights

JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
4:20 pm - 8:49 pmACK-ORD
5h 29m1 stop
$209JetBlue
Find Deal
mar., sep. 16 - vie., sep. 26
JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
12:29 pm - 6:55 pmACK-ORD
7h 26m1 stop
$253JetBlue
Find Deal
mar., sep. 23 - mié., oct. 1
JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
4:20 pm - 8:49 pmACK-ORD
5h 29m1 stop
$264JetBlue
Find Deal
mar., sep. 23 - jue., oct. 2
JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
12:00 pm - 6:18 pmACK-ORD
7h 18m1 stop
$321JetBlue
Find Deal
mar., sep. 30 - mié., oct. 8
JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
4:20 pm - 8:49 pmACK-ORD
5h 29m1 stop
$334JetBlue
Find Deal
mar., sep. 23 - vie., oct. 3
JetBlue Logo
6:45 am - 2:11 pmORD-ACK
6h 26m1 stop
JetBlue Logo
4:20 pm - 8:49 pmACK-ORD
5h 29m1 stop
$393JetBlue
Find Deal
mar., sep. 16 - jue., sep. 25
United Airlines Logo
7:15 am - 2:50 pmORD-ACK
6h 35m1 stop
United Airlines Logo
4:31 pm - 9:56 pmACK-ORD
6h 25m1 stop
$538United Airlines
Find Deal
mar., sep. 16 - mié., sep. 24
United Airlines Logo
8:45 am - 2:50 pmORD-ACK
5h 05m1 stop
United Airlines Logo
4:31 pm - 9:56 pmACK-ORD
6h 25m1 stop
$556United Airlines
Find Deal
lun., sep. 22 - mar., sep. 23
United Airlines Logo
9:15 pm - 3:11 pmORD-ACK
16h 56m2 stops
United Airlines Logo
4:31 pm - 11:25 pmACK-ORD
7h 54m1 stop
$576United Airlines
Find Deal
vie., sep. 19 - mié., sep. 24
Logo
6:44 pm - 8:38 amORD-ACK
36h 54m3 stops
Logo
10:15 am - 10:48 pmACK-ORD
13h 33m2 stops
$743
Find Deal
vie., sep. 19 - mié., sep. 24

JetBlue flights from Chicago to Nantucket

Our best JetBlue deals on Chicago to Nantucket flight tickets
JetBlue
Sep 16
ORD6:45 amChicago O'Hare Intl
6h 26m
1 stop
ACK2:11 pmNantucket Memorial
Sep 26
ACK4:20 pmNantucket Memorial
5h 29m
1 stop
ORD8:49 pmChicago O'Hare Intl
$209
Find similar
JetBlue
Sep 23
ORD6:45 amChicago O'Hare Intl
6h 26m
1 stop
ACK2:11 pmNantucket Memorial
Oct 1
ACK12:29 pmNantucket Memorial
7h 26m
1 stop
ORD6:55 pmChicago O'Hare Intl
$253
Find similar
JetBlue
Sep 23
ORD6:45 amChicago O'Hare Intl
6h 26m
1 stop
ACK2:11 pmNantucket Memorial
Oct 2
ACK4:20 pmNantucket Memorial
5h 29m
1 stop
ORD8:49 pmChicago O'Hare Intl
$264
Find similar

United Airlines flights from Chicago to Nantucket

Our best United Airlines deals on Chicago to Nantucket flight tickets
United Airlines
Sep 16
ORD7:15 amChicago O'Hare Intl
6h 35m
1 stop
ACK2:50 pmNantucket Memorial
Sep 24
ACK4:31 pmNantucket Memorial
6h 25m
1 stop
ORD9:56 pmChicago O'Hare Intl
$538
Find similar
United Airlines
Sep 22
ORD8:45 amChicago O'Hare Intl
5h 05m
1 stop
ACK2:50 pmNantucket Memorial
Sep 23
ACK4:31 pmNantucket Memorial
6h 25m
1 stop
ORD9:56 pmChicago O'Hare Intl
$556
Find similar
United Airlines
Sep 19
ORD9:15 pmChicago O'Hare Intl
16h 56m
2 stops
ACK3:11 pmNantucket Memorial
Sep 24
ACK4:31 pmNantucket Memorial
7h 54m
1 stop
ORD11:25 pmChicago O'Hare Intl
$576
Find similar

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 agosto 26, 2025.
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

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/16

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

vie. 9/26

4:20 pm-8:49 pm

1 stop5h 29m

$209

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/23

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

mié. 10/1

12:29 pm-6:55 pm

1 stop7h 26m

$253

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/23

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

jue. 10/2

4:20 pm-8:49 pm

1 stop5h 29m

$264

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/30

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

mié. 10/8

12:00 pm-6:18 pm

1 stop7h 18m

$321

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/23

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

vie. 10/3

4:20 pm-8:49 pm

1 stop5h 29m

$334

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/16

6:45 am-2:11 pm

1 stop6h 26m

Nantucket Memorial

jue. 9/25

4:20 pm-8:49 pm

1 stop5h 29m

$393

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

mar. 9/16

7:15 am-2:50 pm

1 stop6h 35m

Nantucket Memorial

mié. 9/24

4:31 pm-9:56 pm

1 stop6h 25m

$538

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

lun. 9/22

8:45 am-2:50 pm

1 stop5h 05m

Nantucket Memorial

mar. 9/23

4:31 pm-9:56 pm

1 stop6h 25m

$556

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

vie. 9/19

9:15 pm-3:11 pm

2 stops16h 56m

Nantucket Memorial

mié. 9/24

4:31 pm-11:25 pm

1 stop7h 54m

$576

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

vie. 9/19

6:44 pm-8:38 am

3 stops36h 54m

Nantucket Memorial

mié. 9/24

10:15 am-10:48 pm

2 stops13h 33m

$743

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to Nantucket?

The cheapest day to depart on your flight to Nantucket is on a Monday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $628.

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 $359. 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 $621 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 Memorial flights?

There are 3 cabin classes available to choose from on Chicago to Nantucket Memorial flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Direct flights

None
There are no direct flights from Chicago to Nantucket. There are no popular flight routes from Chicago to Nantucket.
Search flight deals

  • How far is Chicago to Nantucket Memorial by plane?

    Nantucket Memorial is 904.6 mi away from Chicago. 4h 05m 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
7.2
2,918 reviews
Search JetBlue flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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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