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Cheap flights from Chicago O'Hare Intl Airport to Boston from $98

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 O'Hare Intl Airport to Boston departing on 5/24. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:35 am - 4:03 pm
ORD
-
ACK
4h 28m
1 stop
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$202Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
7:30 am - 1:27 pm
ORD
-
ACK
4h 57m
1 stop
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$210Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
6:00 am - 4:03 pm
ORD
-
ACK
9h 03m
2 stops
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$243Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
9:35 am - 4:03 pm
ORD
-
ACK
5h 28m
1 stop
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$244Delta
Tue, Jul 21 - Wed, Jul 29
American Airlines Logo
8:00 am - 4:28 pm
ORD
-
ACK
7h 28m
1 stop
American Airlines Logo
2:19 pm - 8:50 pm
ACK
-
ORD
7h 31m
1 stop
$263American Airlines
Tue, Jul 21 - Wed, Jul 29
Delta Logo
6:00 am - 4:03 pm
ORD
-
ACK
9h 03m
2 stops
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$274Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
6:00 am - 4:03 pm
ORD
-
ACK
9h 03m
2 stops
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$297Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
7:10 am - 4:03 pm
ORD
-
ACK
7h 53m
2 stops
Delta Logo
12:01 pm - 6:41 pm
ACK
-
ORD
7h 40m
2 stops
$314Delta
Tue, Jul 21 - Wed, Jul 29
American Airlines Logo
5:00 am - 12:26 pm
ORD
-
ACK
6h 26m
1 stop
American Airlines Logo
10:24 am - 2:04 pm
ACK
-
ORD
4h 40m
1 stop
$348American Airlines
Sat, Jun 27 - Sat, Jul 4
JetBlue Logo
9:33 am - 3:23 pm
ORD
-
ACK
4h 50m
1 stop
JetBlue Logo
4:20 pm - 8:44 pm
ACK
-
ORD
5h 24m
1 stop
$373JetBlue
Mon, Aug 24 - Thu, Aug 27

Delta flights from Chicago O'Hare Intl Airport to Nantucket

Our best Delta deals on Chicago O'Hare Intl Airport to Nantucket flight tickets
Delta
Jul 21
ORD10:35 amChicago O'Hare Intl
4h 28m
1 stop
ACK4:03 pmNantucket Memorial
Jul 29
ACK12:01 pmNantucket Memorial
7h 40m
2 stops
ORD6:41 pmChicago O'Hare Intl
$202
Delta
Jul 21
ORD7:30 amChicago O'Hare Intl
4h 57m
1 stop
ACK1:27 pmNantucket Memorial
Jul 29
ACK12:01 pmNantucket Memorial
7h 40m
2 stops
ORD6:41 pmChicago O'Hare Intl
$210
Delta
Jul 21
ORD6:00 amChicago O'Hare Intl
9h 03m
2 stops
ACK4:03 pmNantucket Memorial
Jul 29
ACK12:01 pmNantucket Memorial
7h 40m
2 stops
ORD6:41 pmChicago O'Hare Intl
$243

American Airlines flights from Chicago O'Hare Intl Airport to Nantucket

Our best American Airlines deals on Chicago O'Hare Intl Airport to Nantucket flight tickets
American Airlines
Jul 21
ORD8:00 amChicago O'Hare Intl
7h 28m
1 stop
ACK4:28 pmNantucket Memorial
Jul 29
ACK2:19 pmNantucket Memorial
7h 31m
1 stop
ORD8:50 pmChicago O'Hare Intl
$263
American Airlines
Jun 27
ORD5:00 amChicago O'Hare Intl
6h 26m
1 stop
ACK12:26 pmNantucket Memorial
Jul 4
ACK10:24 amNantucket Memorial
4h 40m
1 stop
ORD2:04 pmChicago O'Hare Intl
$348
American Airlines
Aug 8
ORD5:20 amChicago O'Hare Intl
5h 59m
1 stop
ACK12:19 pmNantucket Memorial
Aug 15
ACK5:14 pmNantucket Memorial
7h 11m
1 stop
ORD11:25 pmChicago O'Hare Intl
$378

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 February 28, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

10:35 am-4:03 pm

1 stop4h 28m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$202

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

7:30 am-1:27 pm

1 stop4h 57m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$210

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$243

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

9:35 am-4:03 pm

1 stop5h 28m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$244

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

8:00 am-4:28 pm

1 stop7h 28m

Nantucket Memorial

Wed 7/29

2:19 pm-8:50 pm

1 stop7h 31m

$263

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$274

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

6:00 am-4:03 pm

2 stops9h 03m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$297

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Tue 7/21

7:10 am-4:03 pm

2 stops7h 53m

Nantucket Memorial

Wed 7/29

12:01 pm-6:41 pm

2 stops7h 40m

$314

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Sat 6/27

5:00 am-12:26 pm

1 stop6h 26m

Nantucket Memorial

Sat 7/4

10:24 am-2:04 pm

1 stop4h 40m

$348

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Mon 8/24

9:33 am-3:23 pm

1 stop4h 50m

Nantucket Memorial

Thu 8/27

4:20 pm-8:44 pm

1 stop5h 24m

$373

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 O'Hare Intl Airport 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 Saturday when prices can be found for as low as $499. 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Nantucket when you can find flight prices for as low as $498. 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 O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago O'Hare Intl to Nantucket Memorial flight route?

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

What cabin class options are available on Chicago O'Hare Intl to Nantucket Memorial flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl to Nantucket Memorial 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 O'Hare Intl Airport to Nantucket flights?

You could potentially save up to 12% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Nantucket flight.

When to book flights from Chicago O'Hare Intl Airport to Nantucket

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

Cheap Chicago O'Hare Intl Airport to Nantucket (ORD to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Nantucket

Fastest flight time

2h 54m

Direct flights

Mon and Sun

Airports in Nantucket

1 airport
The fastest flight from Chicago O'Hare Intl Airport to Nantucket takes 2h 54m
Direct flights go from Chicago O'Hare Intl Airport to Nantucket on Monday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Nantucket. From Chicago O'Hare Intl Airport there are direct flights to Nantucket Memorial (ACK).
Search flight deals

  • How far is Chicago O'Hare Intl to Nantucket Memorial by plane?

    Chicago O'Hare Intl and Nantucket Memorial are 918.5 mi apart from one another. A reasonable flight in good conditions will take 2h 54m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Nantucket Memorial Airport were last updated today.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Nantucket Memorial Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Nantucket Memorial Airport.

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

    The travel and health documents you'll need for your trip to Nantucket Memorial Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Nantucket Memorial Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Nantucket?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Nantucket?

Best airlines flying from Chicago O'Hare Intl Airport to Nantucket

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Nantucket with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $123Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Chicago to Nantucket flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Nantucket that suits you.

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

Yes. momondo enables you to select and highlight flights to Nantucket from Chicago with this policy.

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

Once you have performed a search for Chicago to Nantucket flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Nantucket from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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