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Cheap flights from Chicago O'Hare Intl Airport to Boston from $287

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
JetBlue Logo
7:45 am - 3:44 pmORD-ACK
6h 59m1 stop
JetBlue Logo
11:05 am - 5:44 pmACK-ORD
7h 39m1 stop
$579JetBlue
Find Deal
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
3:26 pm - 4:59 pmORD-ACK
24h 33m3 stops
Multiple Airlines Logo
2:45 pm - 4:03 pmACK-ORD
26h 18m3 stops
$733Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Multiple Airlines Logo
3:26 pm - 4:59 pmORD-ACK
24h 33m3 stops
Multiple Airlines Logo
4:54 pm - 11:13 pmACK-ORD
31h 19m2 stops
$741Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
Multiple Airlines Logo
3:26 pm - 9:09 amORD-ACK
16h 43m2 stops
Multiple Airlines Logo
4:54 pm - 11:13 pmACK-ORD
31h 19m2 stops
$761Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
JetBlue Logo
11:20 am - 8:40 pmORD-ACK
8h 20m1 stop
JetBlue Logo
6:49 am - 12:25 pmACK-ORD
6h 36m1 stop
$774JetBlue
Find Deal
Wed, Nov 19 - Sun, Nov 23
Multiple Airlines Logo
7:10 am - 8:09 amORD-ACK
47h 59m3 stops
Multiple Airlines Logo
4:38 pm - 9:48 pmACK-ORD
30h 10m3 stops
$780Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
10:12 am - 2:20 pmORD-ACK
27h 08m3 stops
Multiple Airlines Logo
5:25 pm - 11:13 pmACK-ORD
30h 48m3 stops
$826Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
3:26 pm - 12:25 pmORD-ACK
19h 59m2 stops
Multiple Airlines Logo
4:38 pm - 9:48 pmACK-ORD
30h 10m3 stops
$838Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
10:12 am - 10:45 amORD-ACK
23h 33m2 stops
Multiple Airlines Logo
5:25 pm - 11:13 pmACK-ORD
30h 48m3 stops
$846Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
JetBlue Logo
12:28 pm - 5:54 pmORD-ACK
4h 26m1 stop
JetBlue Logo
12:32 pm - 7:27 pmACK-ORD
7h 55m1 stop
$854JetBlue
Find Deal
Thu, Nov 20 - Mon, Nov 24

JetBlue flights from Chicago O'Hare Intl Airport to Nantucket

Our best JetBlue deals on Chicago O'Hare Intl Airport to Nantucket flight tickets
JetBlue
Jan 7
ORD7:45 amChicago O'Hare Intl
6h 59m
1 stop
ACK3:44 pmNantucket Memorial
Jan 11
ACK11:05 amNantucket Memorial
7h 39m
1 stop
ORD5:44 pmChicago O'Hare Intl
$579
Find similar
JetBlue
Nov 19
ORD11:20 amChicago O'Hare Intl
8h 20m
1 stop
ACK8:40 pmNantucket Memorial
Nov 23
ACK6:49 amNantucket Memorial
6h 36m
1 stop
ORD12:25 pmChicago O'Hare Intl
$774
Find similar
JetBlue
Nov 20
ORD12:28 pmChicago O'Hare Intl
4h 26m
1 stop
ACK5:54 pmNantucket Memorial
Nov 24
ACK12:32 pmNantucket Memorial
7h 55m
1 stop
ORD7:27 pmChicago O'Hare Intl
$854
Find similar

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 November 6, 2025.
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

Wed 1/7

7:45 am-3:44 pm

1 stop6h 59m

Nantucket Memorial

Sun 1/11

11:05 am-5:44 pm

1 stop7h 39m

$579

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 11/19

3:26 pm-4:59 pm

3 stops24h 33m

Nantucket Memorial

Sun 11/23

2:45 pm-4:03 pm

3 stops26h 18m

$733

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 11/19

3:26 pm-4:59 pm

3 stops24h 33m

Nantucket Memorial

Sun 11/23

4:54 pm-11:13 pm

2 stops31h 19m

$741

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 11/19

3:26 pm-9:09 am

2 stops16h 43m

Nantucket Memorial

Sun 11/23

4:54 pm-11:13 pm

2 stops31h 19m

$761

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Wed 11/19

11:20 am-8:40 pm

1 stop8h 20m

Nantucket Memorial

Sun 11/23

6:49 am-12:25 pm

1 stop6h 36m

$774

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 12/5

7:10 am-8:09 am

3 stops47h 59m

Nantucket Memorial

Mon 12/8

4:38 pm-9:48 pm

3 stops30h 10m

$780

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 11/20

10:12 am-2:20 pm

3 stops27h 08m

Nantucket Memorial

Mon 11/24

5:25 pm-11:13 pm

3 stops30h 48m

$826

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Fri 12/5

3:26 pm-12:25 pm

2 stops19h 59m

Nantucket Memorial

Mon 12/8

4:38 pm-9:48 pm

3 stops30h 10m

$838

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 11/20

10:12 am-10:45 am

2 stops23h 33m

Nantucket Memorial

Mon 11/24

5:25 pm-11:13 pm

3 stops30h 48m

$846

ChicagoNantucket

ORD - ACK

ORDACK

Chicago O'Hare Intl

Thu 11/20

12:28 pm-5:54 pm

1 stop4h 26m

Nantucket Memorial

Mon 11/24

12:32 pm-7:27 pm

1 stop7h 55m

$854

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 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 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 $429. 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 are 3 cabin classes 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.

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

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Nantucket. There are no popular flight routes from Chicago O'Hare Intl Airport to Nantucket.
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  • 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 4h 26m.

  • 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 $162Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
American AirlinesPriceFrom $319Free CancellationRating
7.2
11,040 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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