HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$134+ Cheap flights from Islip, NY (ISP) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ORD
Jul 6 — Jul 131
Mon 7/6
Mon 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Islip to O'Hare Intl

Cheapest flights from Islip to O'Hare Intl
Explore the most affordable flight options available from Islip to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.

This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:48 am
ISP
-
ORD
1 stop23h 33m
Frontier
Tue 7/75:13 pm
ORD
-
ISP
1 stop15h 40m
Frontier
Deal found 6/2$301
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:48 am
ISP
-
ORD
1 stop23h 33m
Frontier
Thu 7/95:13 pm
ORD
-
ISP
1 stop15h 40m
Frontier
Deal found 6/2$307
This Travelocity deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:57 am
ISP
-
ORD
1 stop13h 13m
Frontier
Tue 7/285:13 pm
ORD
-
ISP
1 stop15h 40m
Frontier
Deal found 6/3$308
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:13 pm
ISP
-
ORD
1 stop8h 42m
Frontier
Sun 9/139:26 am
ORD
-
ISP
1 stop23h 07m
Frontier
Deal found 6/2$309
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:13 pm
ISP
-
ORD
1 stop8h 42m
Frontier
Mon 9/284:49 pm
ORD
-
ISP
1 stop15h 44m
Frontier
Deal found 6/4$317
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:48 am
ISP
-
ORD
1 stop13h 26m
Multiple Airlines
Mon 8/315:30 pm
ORD
-
ISP
2 stops22h 17m
Multiple Airlines
Deal found 6/2$324
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:48 am
ISP
-
ORD
1 stop13h 26m
Multiple Airlines
Tue 9/15:30 pm
ORD
-
ISP
2 stops16h 47m
Multiple Airlines
Deal found 6/2$335
This Expedia deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:41 pm
ISP
-
ORD
1 stop7h 38m
Frontier
Fri 6/264:59 pm
ORD
-
ISP
1 stop26h 58m
Frontier
Deal found 6/2$339
This Expedia deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:52 pm
ISP
-
ORD
1 stop26h 27m
Frontier
Sat 6/274:59 pm
ORD
-
ISP
1 stop26h 58m
Frontier
Deal found 6/2$363
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/269:52 pm
ISP
-
ORD
1 stop26h 27m
Frontier
Mon 6/294:59 pm
ORD
-
ISP
1 stop21h 57m
Frontier
Deal found 6/2$368

Find flight deals from Islip to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$301
(Booking.com)

One-way from

$134
(Frontier)

Popular in

May

Cheapest in

January

Average price

$287
Provider with most accurate pricing for Islip Long Island-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Chicago O'Hare Intl flights.
Search Deals
From Islip Long Island to Chicago O'Hare Intl
Search Deals
One-way flight from Islip Long Island to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 6, 2026.
Use the filters below to find and compare flights from Islip to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 7/2

10:48 am-9:21 am

1 stop23h 33m

Chicago O'Hare Intl

Tue 7/7

5:13 pm-9:53 am

1 stop15h 40m

$301

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 7/22

10:57 am-11:10 pm

1 stop13h 13m

Chicago O'Hare Intl

Tue 7/28

5:13 pm-9:53 am

1 stop15h 40m

$308

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 9/10

4:13 pm-11:55 pm

1 stop8h 42m

Chicago O'Hare Intl

Sun 9/13

9:26 am-9:33 am

1 stop23h 07m

$309

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 8/26

6:00 am-1:39 pm

1 stop8h 39m

Chicago O'Hare Intl

Tue 9/1

2:35 pm-10:56 pm

1 stop7h 21m

$363

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 6/25

9:52 pm-11:19 pm

1 stop26h 27m

Chicago O'Hare Intl

Sat 6/27

4:59 pm-8:57 pm

1 stop26h 58m

$363

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Fri 7/24

10:57 am-11:10 pm

1 stop13h 13m

Chicago O'Hare Intl

Sun 7/26

5:13 pm-9:53 am

1 stop15h 40m

$381

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Sat 7/4

10:48 am-11:19 pm

1 stop13h 31m

Chicago O'Hare Intl

Sat 7/11

7:00 am-9:44 pm

1 stop13h 44m

$382

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 6/30

4:41 pm-11:19 pm

1 stop7h 38m

Chicago O'Hare Intl

Sun 7/5

5:13 pm-9:53 am

1 stop15h 40m

$393
Quickest round-trip

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 8/11

5:00 pm-11:44 pm

1 stop7h 44m

Chicago O'Hare Intl

Tue 8/18

2:35 pm-10:56 pm

1 stop7h 21m

$405

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 8/25

6:00 am-1:39 pm

1 stop8h 39m

Chicago O'Hare Intl

Thu 8/27

2:35 pm-10:56 pm

1 stop7h 21m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Islip to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to O'Hare Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Islip to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Chicago O'Hare Intl?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Chicago O'Hare Intl. 0 airlines have flights from Long Island to Chicago O'Hare Intl on a regular basis. Booking flights from Islip Long Island to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Islip, New York to Chicago O'Hare Intl Airport?

    Frontier and JetBlue can get you from Islip, New York to Chicago O'Hare Intl Airport in just under 8h 39m. Your travel time can differ by up to 14h 54m. Islip, New York and Chicago O'Hare Intl Airport are separated by a distance of 770 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Islip to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Islip to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to O'Hare Intl.

  • Can I find deals for business class flights from Islip to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Islip to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Hoffman Estates
Downers Grove
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.