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Cheap flights from Chicago O'Hare Intl Airport to Boston from $172

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 9/8. 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 O'Hare Intl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
9:42 am - 3:24 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
4h 42m1 stop New York John F Kennedy Intl
JetBlue Logo
12:02 pm - 5:35 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
6h 33m1 stop New York John F Kennedy Intl
$276JetBlue
Fri, Aug 28 - Tue, Sep 1
American Airlines Logo
9:45 am - 1:34 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
2h 49mnonstop
American Airlines Logo
3:41 pm - 9:30 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
6h 49m1 stop Philadelphia
$282American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
9:45 am - 1:34 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
2h 49mnonstop
American Airlines Logo
10:35 am - 5:14 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
7h 39m1 stop Washington, D.C. Reagan-National
$282American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
10:53 am - 4:30 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
4h 37m1 stop Washington, D.C. Reagan-National
American Airlines Logo
10:35 am - 5:14 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
7h 39m1 stop Washington, D.C. Reagan-National
$292American Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
11:59 am - 3:49 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
2h 50mnonstop
United Airlines Logo
4:45 pm - 7:00 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
3h 15mnonstop
$304United Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
11:59 am - 3:49 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
2h 50mnonstop
United Airlines Logo
4:45 pm - 7:00 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
3h 15mnonstop
$309United Airlines
Sat, Sep 5 - Sun, Sep 6
Delta Logo
9:30 am - 3:57 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
5h 27m1 stop New York LaGuardia
Delta Logo
12:28 pm - 8:30 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
9h 02m2 stops New York LaGuardia Detroit Metropolitan Wayne County
$314Delta
Fri, Aug 28 - Tue, Sep 1
JetBlue Logo
9:38 am - 1:16 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
26h 38m1 stop Boston Logan Intl
JetBlue Logo
2:30 pm - 7:01 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
5h 31m1 stop Boston Logan Intl
$360JetBlue
Tue, Sep 22 - Sat, Sep 26
JetBlue Logo
8:24 pm - 10:35 amORD  Chicago O'Hare Intl-ACK Nantucket Memorial
13h 11m2 stops Boston Logan Intl New York John F Kennedy Intl
JetBlue Logo
2:30 pm - 7:01 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
5h 31m1 stop Boston Logan Intl
$404JetBlue
Tue, Sep 22 - Sat, Sep 26
Delta Logo
6:40 am - 3:57 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
8h 17m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
3:24 pm - 9:52 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
7h 28m1 stop New York John F Kennedy Intl
$439Delta
Tue, Aug 18 - Sat, Aug 22

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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
Sep 5
ORD9:45 amChicago O'Hare Intl
2h 49m
ACK1:34 pmNantucket Memorial
Sep 6
ACK10:35 amNantucket Memorial
7h 39m
1 stop
ORD5:14 pmChicago O'Hare Intl
$282
American Airlines
Sep 5
ORD10:53 amChicago O'Hare Intl
4h 37m
1 stop
ACK4:30 pmNantucket Memorial
Sep 6
ACK10:35 amNantucket Memorial
7h 39m
1 stop
ORD5:14 pmChicago O'Hare Intl
$292
American Airlines
Sep 2
ORD7:00 amChicago O'Hare Intl
5h 33m
1 stop
ACK1:33 pmNantucket Memorial
Sep 5
ACK2:04 pmNantucket Memorial
3h 39m
ORD4:43 pmChicago O'Hare Intl
$315

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
Aug 28
ORD9:30 amChicago O'Hare Intl
5h 27m
1 stop
ACK3:57 pmNantucket Memorial
Sep 1
ACK12:28 pmNantucket Memorial
9h 02m
2 stops
ORD8:30 pmChicago O'Hare Intl
$314
Delta
Aug 29
ORD6:00 amChicago O'Hare Intl
7h 41m
1 stop
ACK2:41 pmNantucket Memorial
Aug 31
ACK3:24 pmNantucket Memorial
7h 28m
1 stop
ORD9:52 pmChicago O'Hare Intl
$408
Delta
Aug 18
ORD6:40 amChicago O'Hare Intl
8h 17m
2 stops
ACK3:57 pmNantucket Memorial
Aug 22
ACK3:24 pmNantucket Memorial
7h 28m
1 stop
ORD9:52 pmChicago O'Hare Intl
$439

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 August 8, 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

Cheapest round-trip

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Fri 8/28

9:42 am-3:24 pm

1 stop4h 42m

Nantucket Memorial

Tue 9/1

12:02 pm-5:35 pm

1 stop6h 33m

$276

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 9/5

9:45 am-1:34 pm

Nonstop2h 49m

Nantucket Memorial

Sun 9/6

3:41 pm-9:30 pm

1 stop6h 49m

$282

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 9/5

9:45 am-1:34 pm

Nonstop2h 49m

Nantucket Memorial

Sun 9/6

10:35 am-5:14 pm

1 stop7h 39m

$282

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 9/5

10:53 am-4:30 pm

1 stop4h 37m

Nantucket Memorial

Sun 9/6

10:35 am-5:14 pm

1 stop7h 39m

$292
Quickest round-trip

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 9/5

11:59 am-3:49 pm

Nonstop2h 50m

Nantucket Memorial

Sun 9/6

4:45 pm-7:00 pm

Nonstop3h 15m

$304

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 9/5

11:59 am-3:49 pm

Nonstop2h 50m

Nantucket Memorial

Sun 9/6

4:45 pm-7:00 pm

Nonstop3h 15m

$309

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Fri 8/28

9:30 am-3:57 pm

1 stop5h 27m

Nantucket Memorial

Tue 9/1

12:28 pm-8:30 pm

2 stops9h 02m

$314

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Tue 9/22

9:38 am-1:16 pm

1 stop26h 38m

Nantucket Memorial

Sat 9/26

2:30 pm-7:01 pm

1 stop5h 31m

$360

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Tue 9/22

8:24 pm-10:35 am

2 stops13h 11m

Nantucket Memorial

Sat 9/26

2:30 pm-7:01 pm

1 stop5h 31m

$404

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Tue 8/18

6:40 am-3:57 pm

2 stops8h 17m

Nantucket Memorial

Sat 8/22

3:24 pm-9:52 pm

1 stop7h 28m

$439

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 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 $499. 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 $744 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 Airport to Nantucket flights?

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

You could potentially save up to 35% 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

Best Price Found

$323

Fastest flight time

2h 50m

Direct flights

Mon and Sun

Airports in Nantucket

1 airport
The best one-way flight to Nantucket from Chicago O'Hare Intl Airport in the past 72 hours is $323. The best round-trip flight deal from Chicago O'Hare Intl Airport to Nantucket found on momondo in the last 72 hours is $348.
The fastest flight from Chicago O'Hare Intl Airport to Nantucket takes 2h 50m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Nantucket

  • 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 50m.

  • 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
7.1
3,030 reviews
Search JetBlue flights
DeltaPriceFrom $207Free CancellationRating
7.8
8,502 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,881 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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