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Cheap flights from Illinois to Boston from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Boston departing on 10/16. 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

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Find the cheapest flights from Illinois to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:05 am - 3:03 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
6h 58m1 stop Newark
United Airlines Logo
4:45 pm - 7:00 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
3h 15mnonstop
$314United Airlines
Wed, Sep 2 - Sat, Sep 5
Delta Logo
6:00 am - 11:48 amORD  Chicago O'Hare Intl-ACK Nantucket Memorial
4h 48m1 stop 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
$333Delta
Wed, Sep 2 - Sat, Sep 5
American Airlines Logo
7:00 am - 1:33 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
5h 33m1 stop New York LaGuardia
American Airlines Logo
2:04 pm - 4:43 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
3h 39mnonstop
$348American Airlines
Wed, Sep 2 - Sat, Sep 5
Delta Logo
6:00 am - 2:41 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
7h 41m1 stop New York John F Kennedy Intl
Delta Logo
3:24 pm - 9:52 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
7h 28m1 stop New York John F Kennedy Intl
$353Delta
Fri, Aug 28 - Tue, Sep 1
Delta Logo
6:00 am - 2:41 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
7h 41m1 stop New York John F Kennedy Intl
Delta Logo
3:24 pm - 11:57 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
9h 33m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$359Delta
Fri, Aug 28 - Tue, Sep 1
JetBlue Logo
9:40 am - 3:24 pmORD  Chicago O'Hare Intl-ACK Nantucket Memorial
4h 44m1 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
$383JetBlue
Sat, Aug 29 - Wed, Sep 2
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
$394United 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
4:15 pm - 9:00 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
5h 45m1 stop Newark
$403United Airlines
Sat, Aug 29 - Wed, Sep 2
JetBlue Logo
8:20 pm - 10:22 amORD  Chicago O'Hare Intl-ACK Nantucket Memorial
13h 02m1 stop Boston Logan 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
$404JetBlue
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
11:17 am - 3:15 pmACK  Nantucket Memorial-ORD Chicago O'Hare Intl
4h 58m1 stop Boston Logan Intl
$414American Airlines
Sat, Sep 5 - Sun, Sep 6

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JetBlue flights from Illinois to Nantucket

Our best JetBlue deals on Illinois to Nantucket flight tickets
JetBlue
Aug 29
ORD9:40 amChicago O'Hare Intl
4h 44m
1 stop
ACK3:24 pmNantucket Memorial
Sep 2
ACK12:02 pmNantucket Memorial
6h 33m
1 stop
ORD5:35 pmChicago O'Hare Intl
$383
JetBlue
Aug 28
ORD8:20 pmChicago O'Hare Intl
13h 02m
1 stop
ACK10:22 amNantucket Memorial
Sep 1
ACK12:02 pmNantucket Memorial
6h 33m
1 stop
ORD5:35 pmChicago O'Hare Intl
$404
JetBlue
Aug 29
ORD6:00 amChicago O'Hare Intl
8h 24m
1 stop
ACK3:24 pmNantucket Memorial
Sep 2
ACK12:02 pmNantucket Memorial
6h 33m
1 stop
ORD5:35 pmChicago O'Hare Intl
$409

American Airlines flights from Illinois to Nantucket

Our best American Airlines deals on Illinois to Nantucket flight tickets
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
$348
American Airlines
Sep 5
ORD9:45 amChicago O'Hare Intl
2h 49m
ACK1:34 pmNantucket Memorial
Sep 6
ACK11:17 amNantucket Memorial
4h 58m
1 stop
ORD3:15 pmChicago O'Hare Intl
$414
American Airlines
Sep 5
ORD10:53 amChicago O'Hare Intl
4h 37m
1 stop
ACK4:30 pmNantucket Memorial
Sep 6
ACK11:17 amNantucket Memorial
5h 48m
1 stop
ORD4:05 pmChicago O'Hare Intl
$423

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 16, 2026.
Use the filters below to find and compare flights from Illinois 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

Wed 9/2

7:05 am-3:03 pm

1 stop6h 58m

Nantucket Memorial

Sat 9/5

4:45 pm-7:00 pm

Nonstop3h 15m

$314

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Wed 9/2

6:00 am-11:48 am

1 stop4h 48m

Nantucket Memorial

Sat 9/5

3:24 pm-9:52 pm

1 stop7h 28m

$333

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Wed 9/2

7:00 am-1:33 pm

1 stop5h 33m

Nantucket Memorial

Sat 9/5

2:04 pm-4:43 pm

Nonstop3h 39m

$348

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Fri 8/28

6:00 am-2:41 pm

1 stop7h 41m

Nantucket Memorial

Tue 9/1

3:24 pm-9:52 pm

1 stop7h 28m

$353

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Fri 8/28

6:00 am-2:41 pm

1 stop7h 41m

Nantucket Memorial

Tue 9/1

3:24 pm-11:57 pm

2 stops9h 33m

$359

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 8/29

9:40 am-3:24 pm

1 stop4h 44m

Nantucket Memorial

Wed 9/2

12:02 pm-5:35 pm

1 stop6h 33m

$383
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

$394

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Sat 8/29

11:59 am-3:49 pm

Nonstop2h 50m

Nantucket Memorial

Wed 9/2

4:15 pm-9:00 pm

1 stop5h 45m

$403

ChicagoNantucket

ORD Chicago O'Hare Intl - ACK Nantucket Memorial

ORDACK

Chicago O'Hare Intl

Fri 8/28

8:20 pm-10:22 am

1 stop13h 02m

Nantucket Memorial

Tue 9/1

12:02 pm-5:35 pm

1 stop6h 33m

$404

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

11:17 am-3:15 pm

1 stop4h 58m

$414

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 Illinois 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 Illinois 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 Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Nantucket Memorial flight route?

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

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

There is only 1 cabin class available to choose from on Illinois 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 Illinois to Nantucket flights?

You could potentially save up to 35% on your flight if you consider stops on a Illinois to Nantucket flight.

Cheap Illinois to Nantucket flight deals and tips

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

Fastest flight time

2h 50m

Direct flights

Mon and Sun

Airports in Nantucket

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

Frequently asked questions about flying from Illinois to Nantucket

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

    Prices for flights from Illinois to Nantucket Memorial Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Nantucket Memorial Airport.

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

    The required travel and health documents for your Nantucket Memorial Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Nantucket Memorial Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Illinois to Nantucket

Compare and see reviews for airlines that fly from Illinois to Nantucket with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $162Free CancellationRating
7.1
3,036 reviews
Search JetBlue flights
DeltaPriceFrom $207Free CancellationRating
7.8
8,505 reviews
Search Delta flights
American AirlinesPriceFrom $319Free CancellationRating
7.1
11,947 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Nantucket. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Illinois to Nantucket flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Illinois to Nantucket now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Nantucket and let you know when they change.

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